Mercurial > hg > octave-lojdl > gnulib-hg
annotate lib/vasnprintf.c @ 9938:9f8c455639fc
Fix rounding when a precision is given.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 19 Apr 2008 17:26:36 +0200 |
parents | b4f1e5627265 |
children | 11aa2931dfc7 |
rev | line source |
---|---|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1 /* vsprintf with automatic memory allocation. |
9646
a113e473cc98
Rename isnan, applicable to 'double' only, to isnand.
Bruno Haible <bruno@clisp.org>
parents:
9489
diff
changeset
|
2 Copyright (C) 1999, 2002-2008 Free Software Foundation, Inc. |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3 |
4440
e58a1c05a6ba
Update gettext source files from gettext automatically, using srclist-update.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4428
diff
changeset
|
4 This program is free software; you can redistribute it and/or modify |
e58a1c05a6ba
Update gettext source files from gettext automatically, using srclist-update.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4428
diff
changeset
|
5 it under the terms of the GNU General Public License as published by |
e58a1c05a6ba
Update gettext source files from gettext automatically, using srclist-update.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4428
diff
changeset
|
6 the Free Software Foundation; either version 2, or (at your option) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
7 any later version. |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
8 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
9 This program is distributed in the hope that it will be useful, |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
10 but WITHOUT ANY WARRANTY; without even the implied warranty of |
4440
e58a1c05a6ba
Update gettext source files from gettext automatically, using srclist-update.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4428
diff
changeset
|
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
e58a1c05a6ba
Update gettext source files from gettext automatically, using srclist-update.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4428
diff
changeset
|
12 GNU General Public License for more details. |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
13 |
4440
e58a1c05a6ba
Update gettext source files from gettext automatically, using srclist-update.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4428
diff
changeset
|
14 You should have received a copy of the GNU General Public License along |
e58a1c05a6ba
Update gettext source files from gettext automatically, using srclist-update.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4428
diff
changeset
|
15 with this program; if not, write to the Free Software Foundation, |
5848
a48fb0e98c8c
*** empty log message ***
Paul Eggert <eggert@cs.ucla.edu>
parents:
5670
diff
changeset
|
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
17 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
18 /* This file can be parametrized with the following macros: |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
19 VASNPRINTF The name of the function being defined. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
20 FCHAR_T The element type of the format string. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
21 DCHAR_T The element type of the destination (result) string. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
22 FCHAR_T_ONLY_ASCII Set to 1 to enable verification that all characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
23 in the format string are ASCII. MUST be set if |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
24 FCHAR_T and DCHAR_T are not the same type. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
25 DIRECTIVE Structure denoting a format directive. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
26 Depends on FCHAR_T. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
27 DIRECTIVES Structure denoting the set of format directives of a |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
28 format string. Depends on FCHAR_T. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
29 PRINTF_PARSE Function that parses a format string. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
30 Depends on FCHAR_T. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
31 DCHAR_CPY memcpy like function for DCHAR_T[] arrays. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
32 DCHAR_SET memset like function for DCHAR_T[] arrays. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
33 DCHAR_MBSNLEN mbsnlen like function for DCHAR_T[] arrays. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
34 SNPRINTF The system's snprintf (or similar) function. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
35 This may be either snprintf or swprintf. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
36 TCHAR_T The element type of the argument and result string |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
37 of the said SNPRINTF function. This may be either |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
38 char or wchar_t. The code exploits that |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
39 sizeof (TCHAR_T) | sizeof (DCHAR_T) and |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
40 alignof (TCHAR_T) <= alignof (DCHAR_T). |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
41 DCHAR_IS_TCHAR Set to 1 if DCHAR_T and TCHAR_T are the same type. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
42 DCHAR_CONV_FROM_ENCODING A function to convert from char[] to DCHAR[]. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
43 DCHAR_IS_UINT8_T Set to 1 if DCHAR_T is uint8_t. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
44 DCHAR_IS_UINT16_T Set to 1 if DCHAR_T is uint16_t. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
45 DCHAR_IS_UINT32_T Set to 1 if DCHAR_T is uint32_t. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
46 |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
47 /* Tell glibc's <stdio.h> to provide a prototype for snprintf(). |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
48 This must come before <config.h> because <config.h> may include |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
49 <features.h>, and once <features.h> has been included, it's too late. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
50 #ifndef _GNU_SOURCE |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
51 # define _GNU_SOURCE 1 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
52 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
53 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
54 #ifndef VASNPRINTF |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
55 # include <config.h> |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
56 #endif |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
57 #ifndef IN_LIBINTL |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
58 # include <alloca.h> |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
59 #endif |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
60 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
61 /* Specification. */ |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
62 #ifndef VASNPRINTF |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
63 # if WIDE_CHAR_VERSION |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
64 # include "vasnwprintf.h" |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
65 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
66 # include "vasnprintf.h" |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
67 # endif |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
68 #endif |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
69 |
8400
655fca11a0e6
The decimal point must be locale dependent.
Bruno Haible <bruno@clisp.org>
parents:
8343
diff
changeset
|
70 #include <locale.h> /* localeconv() */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
71 #include <stdio.h> /* snprintf(), sprintf() */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
72 #include <stdlib.h> /* abort(), malloc(), realloc(), free() */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
73 #include <string.h> /* memcpy(), strlen() */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
74 #include <errno.h> /* errno */ |
7218
0fd12ba5cfc6
Do the INT_MAX check only where size_t is converted to 'int'.
Bruno Haible <bruno@clisp.org>
parents:
6583
diff
changeset
|
75 #include <limits.h> /* CHAR_BIT */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
76 #include <float.h> /* DBL_MAX_EXP, LDBL_MAX_EXP */ |
8554
35eb5062216c
Prefer nl_langinfo over localeconv.
Bruno Haible <bruno@clisp.org>
parents:
8531
diff
changeset
|
77 #if HAVE_NL_LANGINFO |
35eb5062216c
Prefer nl_langinfo over localeconv.
Bruno Haible <bruno@clisp.org>
parents:
8531
diff
changeset
|
78 # include <langinfo.h> |
35eb5062216c
Prefer nl_langinfo over localeconv.
Bruno Haible <bruno@clisp.org>
parents:
8531
diff
changeset
|
79 #endif |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
80 #ifndef VASNPRINTF |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
81 # if WIDE_CHAR_VERSION |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
82 # include "wprintf-parse.h" |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
83 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
84 # include "printf-parse.h" |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
85 # endif |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
86 #endif |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
87 |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
88 /* Checked size_t computations. */ |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
89 #include "xsize.h" |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
90 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
91 #if (NEED_PRINTF_DOUBLE || NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
92 # include <math.h> |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
93 # include "float+.h" |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
94 #endif |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
95 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
96 #if (NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE) && !defined IN_LIBINTL |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
97 # include <math.h> |
9646
a113e473cc98
Rename isnan, applicable to 'double' only, to isnand.
Bruno Haible <bruno@clisp.org>
parents:
9489
diff
changeset
|
98 # include "isnand.h" |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
99 #endif |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
100 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
101 #if (NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE) && !defined IN_LIBINTL |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
102 # include <math.h> |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
103 # include "isnanl-nolibm.h" |
8915
f15c03805bd9
Fix possible compilation error.
Bruno Haible <bruno@clisp.org>
parents:
8865
diff
changeset
|
104 # include "fpucw.h" |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
105 #endif |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
106 |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
107 #if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL |
8655
9a272158fe43
Faster determination of the sign of a number.
Bruno Haible <bruno@clisp.org>
parents:
8648
diff
changeset
|
108 # include <math.h> |
9646
a113e473cc98
Rename isnan, applicable to 'double' only, to isnand.
Bruno Haible <bruno@clisp.org>
parents:
9489
diff
changeset
|
109 # include "isnand.h" |
8526 | 110 # include "printf-frexp.h" |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
111 #endif |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
112 |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
113 #if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
114 # include <math.h> |
8648
359d135f748c
Assume 'long double' exists.
Bruno Haible <bruno@clisp.org>
parents:
8569
diff
changeset
|
115 # include "isnanl-nolibm.h" |
359d135f748c
Assume 'long double' exists.
Bruno Haible <bruno@clisp.org>
parents:
8569
diff
changeset
|
116 # include "printf-frexpl.h" |
359d135f748c
Assume 'long double' exists.
Bruno Haible <bruno@clisp.org>
parents:
8569
diff
changeset
|
117 # include "fpucw.h" |
8335
2c9de3b6ba5b
New module 'vasnprintf-posix'.
Bruno Haible <bruno@clisp.org>
parents:
8254
diff
changeset
|
118 #endif |
2c9de3b6ba5b
New module 'vasnprintf-posix'.
Bruno Haible <bruno@clisp.org>
parents:
8254
diff
changeset
|
119 |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
120 #if HAVE_WCHAR_T |
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
121 # if HAVE_WCSLEN |
4523
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
122 # define local_wcslen wcslen |
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
123 # else |
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
124 /* Solaris 2.5.1 has wcslen() in a separate library libw.so. To avoid |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
125 a dependency towards this library, here is a local substitute. |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
126 Define this substitute only once, even if this file is included |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
127 twice in the same compilation unit. */ |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
128 # ifndef local_wcslen_defined |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
129 # define local_wcslen_defined 1 |
4523
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
130 static size_t |
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
131 local_wcslen (const wchar_t *s) |
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
132 { |
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
133 const wchar_t *ptr; |
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
134 |
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
135 for (ptr = s; *ptr != (wchar_t) 0; ptr++) |
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
136 ; |
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
137 return ptr - s; |
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
138 } |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
139 # endif |
4523
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
140 # endif |
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
141 #endif |
6cc4874a100b
Work around the lack of wcslen() on Solaris 2.5.1.
Bruno Haible <bruno@clisp.org>
parents:
4444
diff
changeset
|
142 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
143 /* Default parameters. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
144 #ifndef VASNPRINTF |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
145 # if WIDE_CHAR_VERSION |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
146 # define VASNPRINTF vasnwprintf |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
147 # define FCHAR_T wchar_t |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
148 # define DCHAR_T wchar_t |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
149 # define TCHAR_T wchar_t |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
150 # define DCHAR_IS_TCHAR 1 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
151 # define DIRECTIVE wchar_t_directive |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
152 # define DIRECTIVES wchar_t_directives |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
153 # define PRINTF_PARSE wprintf_parse |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
154 # define DCHAR_CPY wmemcpy |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
155 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
156 # define VASNPRINTF vasnprintf |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
157 # define FCHAR_T char |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
158 # define DCHAR_T char |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
159 # define TCHAR_T char |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
160 # define DCHAR_IS_TCHAR 1 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
161 # define DIRECTIVE char_directive |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
162 # define DIRECTIVES char_directives |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
163 # define PRINTF_PARSE printf_parse |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
164 # define DCHAR_CPY memcpy |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
165 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
166 #endif |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
167 #if WIDE_CHAR_VERSION |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
168 /* TCHAR_T is wchar_t. */ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
169 # define USE_SNPRINTF 1 |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
170 # if HAVE_DECL__SNWPRINTF |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
171 /* On Windows, the function swprintf() has a different signature than |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
172 on Unix; we use the _snwprintf() function instead. */ |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
173 # define SNPRINTF _snwprintf |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
174 # else |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
175 /* Unix. */ |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
176 # define SNPRINTF swprintf |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
177 # endif |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
178 #else |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
179 /* TCHAR_T is char. */ |
8831
d3f907c33d15
Work around broken snprintf function on BeOS.
Bruno Haible <bruno@clisp.org>
parents:
8830
diff
changeset
|
180 # /* Use snprintf if it exists under the name 'snprintf' or '_snprintf'. |
d3f907c33d15
Work around broken snprintf function on BeOS.
Bruno Haible <bruno@clisp.org>
parents:
8830
diff
changeset
|
181 But don't use it on BeOS, since BeOS snprintf produces no output if the |
d3f907c33d15
Work around broken snprintf function on BeOS.
Bruno Haible <bruno@clisp.org>
parents:
8830
diff
changeset
|
182 size argument is >= 0x3000000. */ |
d3f907c33d15
Work around broken snprintf function on BeOS.
Bruno Haible <bruno@clisp.org>
parents:
8830
diff
changeset
|
183 # if (HAVE_DECL__SNPRINTF || HAVE_SNPRINTF) && !defined __BEOS__ |
d3f907c33d15
Work around broken snprintf function on BeOS.
Bruno Haible <bruno@clisp.org>
parents:
8830
diff
changeset
|
184 # define USE_SNPRINTF 1 |
d3f907c33d15
Work around broken snprintf function on BeOS.
Bruno Haible <bruno@clisp.org>
parents:
8830
diff
changeset
|
185 # else |
d3f907c33d15
Work around broken snprintf function on BeOS.
Bruno Haible <bruno@clisp.org>
parents:
8830
diff
changeset
|
186 # define USE_SNPRINTF 0 |
d3f907c33d15
Work around broken snprintf function on BeOS.
Bruno Haible <bruno@clisp.org>
parents:
8830
diff
changeset
|
187 # endif |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
188 # if HAVE_DECL__SNPRINTF |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
189 /* Windows. */ |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
190 # define SNPRINTF _snprintf |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
191 # else |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
192 /* Unix. */ |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
193 # define SNPRINTF snprintf |
8417
ee40afd85f2c
Avoid an endless recursion.
Bruno Haible <bruno@clisp.org>
parents:
8400
diff
changeset
|
194 /* Here we need to call the native snprintf, not rpl_snprintf. */ |
ee40afd85f2c
Avoid an endless recursion.
Bruno Haible <bruno@clisp.org>
parents:
8400
diff
changeset
|
195 # undef snprintf |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
196 # endif |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
197 #endif |
8424
ec3450ce9889
Use the system's sprintf function.
Bruno Haible <bruno@clisp.org>
parents:
8417
diff
changeset
|
198 /* Here we need to call the native sprintf, not rpl_sprintf. */ |
ec3450ce9889
Use the system's sprintf function.
Bruno Haible <bruno@clisp.org>
parents:
8417
diff
changeset
|
199 #undef sprintf |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
200 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
201 #if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE) && !defined IN_LIBINTL |
8569
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
202 /* Determine the decimal-point character according to the current locale. */ |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
203 # ifndef decimal_point_char_defined |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
204 # define decimal_point_char_defined 1 |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
205 static char |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
206 decimal_point_char () |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
207 { |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
208 const char *point; |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
209 /* Determine it in a multithread-safe way. We know nl_langinfo is |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
210 multithread-safe on glibc systems, but is not required to be multithread- |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
211 safe by POSIX. sprintf(), however, is multithread-safe. localeconv() |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
212 is rarely multithread-safe. */ |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
213 # if HAVE_NL_LANGINFO && __GLIBC__ |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
214 point = nl_langinfo (RADIXCHAR); |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
215 # elif 1 |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
216 char pointbuf[5]; |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
217 sprintf (pointbuf, "%#.0f", 1.0); |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
218 point = &pointbuf[1]; |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
219 # else |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
220 point = localeconv () -> decimal_point; |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
221 # endif |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
222 /* The decimal point is always a single byte: either '.' or ','. */ |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
223 return (point[0] != '\0' ? point[0] : '.'); |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
224 } |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
225 # endif |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
226 #endif |
378e85482afa
Use multithread-safe primitives for determining the decimal point character.
Bruno Haible <bruno@clisp.org>
parents:
8554
diff
changeset
|
227 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
228 #if NEED_PRINTF_INFINITE_DOUBLE && !NEED_PRINTF_DOUBLE && !defined IN_LIBINTL |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
229 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
230 /* Equivalent to !isfinite(x) || x == 0, but does not require libm. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
231 static int |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
232 is_infinite_or_zero (double x) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
233 { |
9646
a113e473cc98
Rename isnan, applicable to 'double' only, to isnand.
Bruno Haible <bruno@clisp.org>
parents:
9489
diff
changeset
|
234 return isnand (x) || x + x == x; |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
235 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
236 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
237 #endif |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
238 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
239 #if NEED_PRINTF_INFINITE_LONG_DOUBLE && !NEED_PRINTF_LONG_DOUBLE && !defined IN_LIBINTL |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
240 |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
241 /* Equivalent to !isfinite(x), but does not require libm. */ |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
242 static int |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
243 is_infinitel (long double x) |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
244 { |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
245 return isnanl (x) || (x + x == x && x != 0.0L); |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
246 } |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
247 |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
248 #endif |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
249 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
250 #if (NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
251 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
252 /* Converting 'long double' to decimal without rare rounding bugs requires |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
253 real bignums. We use the naming conventions of GNU gmp, but vastly simpler |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
254 (and slower) algorithms. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
255 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
256 typedef unsigned int mp_limb_t; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
257 # define GMP_LIMB_BITS 32 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
258 typedef int mp_limb_verify[2 * (sizeof (mp_limb_t) * CHAR_BIT == GMP_LIMB_BITS) - 1]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
259 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
260 typedef unsigned long long mp_twolimb_t; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
261 # define GMP_TWOLIMB_BITS 64 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
262 typedef int mp_twolimb_verify[2 * (sizeof (mp_twolimb_t) * CHAR_BIT == GMP_TWOLIMB_BITS) - 1]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
263 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
264 /* Representation of a bignum >= 0. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
265 typedef struct |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
266 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
267 size_t nlimbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
268 mp_limb_t *limbs; /* Bits in little-endian order, allocated with malloc(). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
269 } mpn_t; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
270 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
271 /* Compute the product of two bignums >= 0. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
272 Return the allocated memory in case of success, NULL in case of memory |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
273 allocation failure. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
274 static void * |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
275 multiply (mpn_t src1, mpn_t src2, mpn_t *dest) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
276 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
277 const mp_limb_t *p1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
278 const mp_limb_t *p2; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
279 size_t len1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
280 size_t len2; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
281 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
282 if (src1.nlimbs <= src2.nlimbs) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
283 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
284 len1 = src1.nlimbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
285 p1 = src1.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
286 len2 = src2.nlimbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
287 p2 = src2.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
288 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
289 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
290 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
291 len1 = src2.nlimbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
292 p1 = src2.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
293 len2 = src1.nlimbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
294 p2 = src1.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
295 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
296 /* Now 0 <= len1 <= len2. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
297 if (len1 == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
298 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
299 /* src1 or src2 is zero. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
300 dest->nlimbs = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
301 dest->limbs = (mp_limb_t *) malloc (1); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
302 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
303 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
304 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
305 /* Here 1 <= len1 <= len2. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
306 size_t dlen; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
307 mp_limb_t *dp; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
308 size_t k, i, j; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
309 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
310 dlen = len1 + len2; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
311 dp = (mp_limb_t *) malloc (dlen * sizeof (mp_limb_t)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
312 if (dp == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
313 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
314 for (k = len2; k > 0; ) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
315 dp[--k] = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
316 for (i = 0; i < len1; i++) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
317 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
318 mp_limb_t digit1 = p1[i]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
319 mp_twolimb_t carry = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
320 for (j = 0; j < len2; j++) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
321 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
322 mp_limb_t digit2 = p2[j]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
323 carry += (mp_twolimb_t) digit1 * (mp_twolimb_t) digit2; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
324 carry += dp[i + j]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
325 dp[i + j] = (mp_limb_t) carry; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
326 carry = carry >> GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
327 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
328 dp[i + len2] = (mp_limb_t) carry; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
329 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
330 /* Normalise. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
331 while (dlen > 0 && dp[dlen - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
332 dlen--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
333 dest->nlimbs = dlen; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
334 dest->limbs = dp; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
335 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
336 return dest->limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
337 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
338 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
339 /* Compute the quotient of a bignum a >= 0 and a bignum b > 0. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
340 a is written as a = q * b + r with 0 <= r < b. q is the quotient, r |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
341 the remainder. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
342 Finally, round-to-even is performed: If r > b/2 or if r = b/2 and q is odd, |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
343 q is incremented. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
344 Return the allocated memory in case of success, NULL in case of memory |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
345 allocation failure. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
346 static void * |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
347 divide (mpn_t a, mpn_t b, mpn_t *q) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
348 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
349 /* Algorithm: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
350 First normalise a and b: a=[a[m-1],...,a[0]], b=[b[n-1],...,b[0]] |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
351 with m>=0 and n>0 (in base beta = 2^GMP_LIMB_BITS). |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
352 If m<n, then q:=0 and r:=a. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
353 If m>=n=1, perform a single-precision division: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
354 r:=0, j:=m, |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
355 while j>0 do |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
356 {Here (q[m-1]*beta^(m-1)+...+q[j]*beta^j) * b[0] + r*beta^j = |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
357 = a[m-1]*beta^(m-1)+...+a[j]*beta^j und 0<=r<b[0]<beta} |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
358 j:=j-1, r:=r*beta+a[j], q[j]:=floor(r/b[0]), r:=r-b[0]*q[j]. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
359 Normalise [q[m-1],...,q[0]], yields q. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
360 If m>=n>1, perform a multiple-precision division: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
361 We have a/b < beta^(m-n+1). |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
362 s:=intDsize-1-(hightest bit in b[n-1]), 0<=s<intDsize. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
363 Shift a and b left by s bits, copying them. r:=a. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
364 r=[r[m],...,r[0]], b=[b[n-1],...,b[0]] with b[n-1]>=beta/2. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
365 For j=m-n,...,0: {Here 0 <= r < b*beta^(j+1).} |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
366 Compute q* : |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
367 q* := floor((r[j+n]*beta+r[j+n-1])/b[n-1]). |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
368 In case of overflow (q* >= beta) set q* := beta-1. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
369 Compute c2 := ((r[j+n]*beta+r[j+n-1]) - q* * b[n-1])*beta + r[j+n-2] |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
370 and c3 := b[n-2] * q*. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
371 {We have 0 <= c2 < 2*beta^2, even 0 <= c2 < beta^2 if no overflow |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
372 occurred. Furthermore 0 <= c3 < beta^2. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
373 If there was overflow and |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
374 r[j+n]*beta+r[j+n-1] - q* * b[n-1] >= beta, i.e. c2 >= beta^2, |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
375 the next test can be skipped.} |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
376 While c3 > c2, {Here 0 <= c2 < c3 < beta^2} |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
377 Put q* := q* - 1, c2 := c2 + b[n-1]*beta, c3 := c3 - b[n-2]. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
378 If q* > 0: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
379 Put r := r - b * q* * beta^j. In detail: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
380 [r[n+j],...,r[j]] := [r[n+j],...,r[j]] - q* * [b[n-1],...,b[0]]. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
381 hence: u:=0, for i:=0 to n-1 do |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
382 u := u + q* * b[i], |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
383 r[j+i]:=r[j+i]-(u mod beta) (+ beta, if carry), |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
384 u:=u div beta (+ 1, if carry in subtraction) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
385 r[n+j]:=r[n+j]-u. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
386 {Since always u = (q* * [b[i-1],...,b[0]] div beta^i) + 1 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
387 < q* + 1 <= beta, |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
388 the carry u does not overflow.} |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
389 If a negative carry occurs, put q* := q* - 1 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
390 and [r[n+j],...,r[j]] := [r[n+j],...,r[j]] + [0,b[n-1],...,b[0]]. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
391 Set q[j] := q*. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
392 Normalise [q[m-n],..,q[0]]; this yields the quotient q. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
393 Shift [r[n-1],...,r[0]] right by s bits and normalise; this yields the |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
394 rest r. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
395 The room for q[j] can be allocated at the memory location of r[n+j]. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
396 Finally, round-to-even: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
397 Shift r left by 1 bit. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
398 If r > b or if r = b and q[0] is odd, q := q+1. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
399 */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
400 const mp_limb_t *a_ptr = a.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
401 size_t a_len = a.nlimbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
402 const mp_limb_t *b_ptr = b.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
403 size_t b_len = b.nlimbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
404 mp_limb_t *roomptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
405 mp_limb_t *tmp_roomptr = NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
406 mp_limb_t *q_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
407 size_t q_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
408 mp_limb_t *r_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
409 size_t r_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
410 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
411 /* Allocate room for a_len+2 digits. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
412 (Need a_len+1 digits for the real division and 1 more digit for the |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
413 final rounding of q.) */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
414 roomptr = (mp_limb_t *) malloc ((a_len + 2) * sizeof (mp_limb_t)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
415 if (roomptr == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
416 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
417 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
418 /* Normalise a. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
419 while (a_len > 0 && a_ptr[a_len - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
420 a_len--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
421 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
422 /* Normalise b. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
423 for (;;) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
424 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
425 if (b_len == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
426 /* Division by zero. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
427 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
428 if (b_ptr[b_len - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
429 b_len--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
430 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
431 break; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
432 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
433 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
434 /* Here m = a_len >= 0 and n = b_len > 0. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
435 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
436 if (a_len < b_len) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
437 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
438 /* m<n: trivial case. q=0, r := copy of a. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
439 r_ptr = roomptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
440 r_len = a_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
441 memcpy (r_ptr, a_ptr, a_len * sizeof (mp_limb_t)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
442 q_ptr = roomptr + a_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
443 q_len = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
444 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
445 else if (b_len == 1) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
446 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
447 /* n=1: single precision division. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
448 beta^(m-1) <= a < beta^m ==> beta^(m-2) <= a/b < beta^m */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
449 r_ptr = roomptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
450 q_ptr = roomptr + 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
451 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
452 mp_limb_t den = b_ptr[0]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
453 mp_limb_t remainder = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
454 const mp_limb_t *sourceptr = a_ptr + a_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
455 mp_limb_t *destptr = q_ptr + a_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
456 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
457 for (count = a_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
458 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
459 mp_twolimb_t num = |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
460 ((mp_twolimb_t) remainder << GMP_LIMB_BITS) | *--sourceptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
461 *--destptr = num / den; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
462 remainder = num % den; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
463 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
464 /* Normalise and store r. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
465 if (remainder > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
466 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
467 r_ptr[0] = remainder; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
468 r_len = 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
469 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
470 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
471 r_len = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
472 /* Normalise q. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
473 q_len = a_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
474 if (q_ptr[q_len - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
475 q_len--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
476 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
477 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
478 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
479 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
480 /* n>1: multiple precision division. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
481 beta^(m-1) <= a < beta^m, beta^(n-1) <= b < beta^n ==> |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
482 beta^(m-n-1) <= a/b < beta^(m-n+1). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
483 /* Determine s. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
484 size_t s; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
485 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
486 mp_limb_t msd = b_ptr[b_len - 1]; /* = b[n-1], > 0 */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
487 s = 31; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
488 if (msd >= 0x10000) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
489 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
490 msd = msd >> 16; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
491 s -= 16; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
492 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
493 if (msd >= 0x100) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
494 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
495 msd = msd >> 8; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
496 s -= 8; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
497 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
498 if (msd >= 0x10) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
499 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
500 msd = msd >> 4; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
501 s -= 4; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
502 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
503 if (msd >= 0x4) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
504 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
505 msd = msd >> 2; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
506 s -= 2; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
507 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
508 if (msd >= 0x2) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
509 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
510 msd = msd >> 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
511 s -= 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
512 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
513 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
514 /* 0 <= s < GMP_LIMB_BITS. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
515 Copy b, shifting it left by s bits. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
516 if (s > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
517 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
518 tmp_roomptr = (mp_limb_t *) malloc (b_len * sizeof (mp_limb_t)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
519 if (tmp_roomptr == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
520 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
521 free (roomptr); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
522 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
523 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
524 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
525 const mp_limb_t *sourceptr = b_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
526 mp_limb_t *destptr = tmp_roomptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
527 mp_twolimb_t accu = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
528 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
529 for (count = b_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
530 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
531 accu += (mp_twolimb_t) *sourceptr++ << s; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
532 *destptr++ = (mp_limb_t) accu; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
533 accu = accu >> GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
534 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
535 /* accu must be zero, since that was how s was determined. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
536 if (accu != 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
537 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
538 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
539 b_ptr = tmp_roomptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
540 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
541 /* Copy a, shifting it left by s bits, yields r. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
542 Memory layout: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
543 At the beginning: r = roomptr[0..a_len], |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
544 at the end: r = roomptr[0..b_len-1], q = roomptr[b_len..a_len] */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
545 r_ptr = roomptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
546 if (s == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
547 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
548 memcpy (r_ptr, a_ptr, a_len * sizeof (mp_limb_t)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
549 r_ptr[a_len] = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
550 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
551 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
552 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
553 const mp_limb_t *sourceptr = a_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
554 mp_limb_t *destptr = r_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
555 mp_twolimb_t accu = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
556 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
557 for (count = a_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
558 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
559 accu += (mp_twolimb_t) *sourceptr++ << s; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
560 *destptr++ = (mp_limb_t) accu; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
561 accu = accu >> GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
562 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
563 *destptr++ = (mp_limb_t) accu; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
564 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
565 q_ptr = roomptr + b_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
566 q_len = a_len - b_len + 1; /* q will have m-n+1 limbs */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
567 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
568 size_t j = a_len - b_len; /* m-n */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
569 mp_limb_t b_msd = b_ptr[b_len - 1]; /* b[n-1] */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
570 mp_limb_t b_2msd = b_ptr[b_len - 2]; /* b[n-2] */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
571 mp_twolimb_t b_msdd = /* b[n-1]*beta+b[n-2] */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
572 ((mp_twolimb_t) b_msd << GMP_LIMB_BITS) | b_2msd; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
573 /* Division loop, traversed m-n+1 times. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
574 j counts down, b is unchanged, beta/2 <= b[n-1] < beta. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
575 for (;;) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
576 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
577 mp_limb_t q_star; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
578 mp_limb_t c1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
579 if (r_ptr[j + b_len] < b_msd) /* r[j+n] < b[n-1] ? */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
580 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
581 /* Divide r[j+n]*beta+r[j+n-1] by b[n-1], no overflow. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
582 mp_twolimb_t num = |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
583 ((mp_twolimb_t) r_ptr[j + b_len] << GMP_LIMB_BITS) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
584 | r_ptr[j + b_len - 1]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
585 q_star = num / b_msd; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
586 c1 = num % b_msd; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
587 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
588 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
589 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
590 /* Overflow, hence r[j+n]*beta+r[j+n-1] >= beta*b[n-1]. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
591 q_star = (mp_limb_t)~(mp_limb_t)0; /* q* = beta-1 */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
592 /* Test whether r[j+n]*beta+r[j+n-1] - (beta-1)*b[n-1] >= beta |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
593 <==> r[j+n]*beta+r[j+n-1] + b[n-1] >= beta*b[n-1]+beta |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
594 <==> b[n-1] < floor((r[j+n]*beta+r[j+n-1]+b[n-1])/beta) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
595 {<= beta !}. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
596 If yes, jump directly to the subtraction loop. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
597 (Otherwise, r[j+n]*beta+r[j+n-1] - (beta-1)*b[n-1] < beta |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
598 <==> floor((r[j+n]*beta+r[j+n-1]+b[n-1])/beta) = b[n-1] ) */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
599 if (r_ptr[j + b_len] > b_msd |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
600 || (c1 = r_ptr[j + b_len - 1] + b_msd) < b_msd) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
601 /* r[j+n] >= b[n-1]+1 or |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
602 r[j+n] = b[n-1] and the addition r[j+n-1]+b[n-1] gives a |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
603 carry. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
604 goto subtract; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
605 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
606 /* q_star = q*, |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
607 c1 = (r[j+n]*beta+r[j+n-1]) - q* * b[n-1] (>=0, <beta). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
608 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
609 mp_twolimb_t c2 = /* c1*beta+r[j+n-2] */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
610 ((mp_twolimb_t) c1 << GMP_LIMB_BITS) | r_ptr[j + b_len - 2]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
611 mp_twolimb_t c3 = /* b[n-2] * q* */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
612 (mp_twolimb_t) b_2msd * (mp_twolimb_t) q_star; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
613 /* While c2 < c3, increase c2 and decrease c3. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
614 Consider c3-c2. While it is > 0, decrease it by |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
615 b[n-1]*beta+b[n-2]. Because of b[n-1]*beta+b[n-2] >= beta^2/2 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
616 this can happen only twice. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
617 if (c3 > c2) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
618 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
619 q_star = q_star - 1; /* q* := q* - 1 */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
620 if (c3 - c2 > b_msdd) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
621 q_star = q_star - 1; /* q* := q* - 1 */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
622 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
623 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
624 if (q_star > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
625 subtract: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
626 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
627 /* Subtract r := r - b * q* * beta^j. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
628 mp_limb_t cr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
629 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
630 const mp_limb_t *sourceptr = b_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
631 mp_limb_t *destptr = r_ptr + j; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
632 mp_twolimb_t carry = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
633 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
634 for (count = b_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
635 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
636 /* Here 0 <= carry <= q*. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
637 carry = |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
638 carry |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
639 + (mp_twolimb_t) q_star * (mp_twolimb_t) *sourceptr++ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
640 + (mp_limb_t) ~(*destptr); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
641 /* Here 0 <= carry <= beta*q* + beta-1. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
642 *destptr++ = ~(mp_limb_t) carry; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
643 carry = carry >> GMP_LIMB_BITS; /* <= q* */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
644 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
645 cr = (mp_limb_t) carry; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
646 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
647 /* Subtract cr from r_ptr[j + b_len], then forget about |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
648 r_ptr[j + b_len]. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
649 if (cr > r_ptr[j + b_len]) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
650 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
651 /* Subtraction gave a carry. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
652 q_star = q_star - 1; /* q* := q* - 1 */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
653 /* Add b back. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
654 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
655 const mp_limb_t *sourceptr = b_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
656 mp_limb_t *destptr = r_ptr + j; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
657 mp_limb_t carry = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
658 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
659 for (count = b_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
660 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
661 mp_limb_t source1 = *sourceptr++; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
662 mp_limb_t source2 = *destptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
663 *destptr++ = source1 + source2 + carry; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
664 carry = |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
665 (carry |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
666 ? source1 >= (mp_limb_t) ~source2 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
667 : source1 > (mp_limb_t) ~source2); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
668 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
669 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
670 /* Forget about the carry and about r[j+n]. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
671 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
672 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
673 /* q* is determined. Store it as q[j]. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
674 q_ptr[j] = q_star; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
675 if (j == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
676 break; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
677 j--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
678 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
679 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
680 r_len = b_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
681 /* Normalise q. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
682 if (q_ptr[q_len - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
683 q_len--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
684 # if 0 /* Not needed here, since we need r only to compare it with b/2, and |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
685 b is shifted left by s bits. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
686 /* Shift r right by s bits. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
687 if (s > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
688 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
689 mp_limb_t ptr = r_ptr + r_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
690 mp_twolimb_t accu = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
691 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
692 for (count = r_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
693 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
694 accu = (mp_twolimb_t) (mp_limb_t) accu << GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
695 accu += (mp_twolimb_t) *--ptr << (GMP_LIMB_BITS - s); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
696 *ptr = (mp_limb_t) (accu >> GMP_LIMB_BITS); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
697 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
698 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
699 # endif |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
700 /* Normalise r. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
701 while (r_len > 0 && r_ptr[r_len - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
702 r_len--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
703 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
704 /* Compare r << 1 with b. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
705 if (r_len > b_len) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
706 goto increment_q; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
707 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
708 size_t i; |
8835
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
709 for (i = b_len;;) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
710 { |
8835
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
711 mp_limb_t r_i = |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
712 (i <= r_len && i > 0 ? r_ptr[i - 1] >> (GMP_LIMB_BITS - 1) : 0) |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
713 | (i < r_len ? r_ptr[i] << 1 : 0); |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
714 mp_limb_t b_i = (i < b_len ? b_ptr[i] : 0); |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
715 if (r_i > b_i) |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
716 goto increment_q; |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
717 if (r_i < b_i) |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
718 goto keep_q; |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
719 if (i == 0) |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
720 break; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
721 i--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
722 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
723 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
724 if (q_len > 0 && ((q_ptr[0] & 1) != 0)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
725 /* q is odd. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
726 increment_q: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
727 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
728 size_t i; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
729 for (i = 0; i < q_len; i++) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
730 if (++(q_ptr[i]) != 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
731 goto keep_q; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
732 q_ptr[q_len++] = 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
733 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
734 keep_q: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
735 if (tmp_roomptr != NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
736 free (tmp_roomptr); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
737 q->limbs = q_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
738 q->nlimbs = q_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
739 return roomptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
740 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
741 |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
742 /* Convert a bignum a >= 0, multiplied with 10^extra_zeroes, to decimal |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
743 representation. |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
744 Destroys the contents of a. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
745 Return the allocated memory - containing the decimal digits in low-to-high |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
746 order, terminated with a NUL character - in case of success, NULL in case |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
747 of memory allocation failure. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
748 static char * |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
749 convert_to_decimal (mpn_t a, size_t extra_zeroes) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
750 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
751 mp_limb_t *a_ptr = a.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
752 size_t a_len = a.nlimbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
753 /* 0.03345 is slightly larger than log(2)/(9*log(10)). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
754 size_t c_len = 9 * ((size_t)(a_len * (GMP_LIMB_BITS * 0.03345f)) + 1); |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
755 char *c_ptr = (char *) malloc (xsum (c_len, extra_zeroes)); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
756 if (c_ptr != NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
757 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
758 char *d_ptr = c_ptr; |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
759 for (; extra_zeroes > 0; extra_zeroes--) |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
760 *d_ptr++ = '0'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
761 while (a_len > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
762 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
763 /* Divide a by 10^9, in-place. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
764 mp_limb_t remainder = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
765 mp_limb_t *ptr = a_ptr + a_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
766 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
767 for (count = a_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
768 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
769 mp_twolimb_t num = |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
770 ((mp_twolimb_t) remainder << GMP_LIMB_BITS) | *--ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
771 *ptr = num / 1000000000; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
772 remainder = num % 1000000000; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
773 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
774 /* Store the remainder as 9 decimal digits. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
775 for (count = 9; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
776 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
777 *d_ptr++ = '0' + (remainder % 10); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
778 remainder = remainder / 10; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
779 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
780 /* Normalize a. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
781 if (a_ptr[a_len - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
782 a_len--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
783 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
784 /* Remove leading zeroes. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
785 while (d_ptr > c_ptr && d_ptr[-1] == '0') |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
786 d_ptr--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
787 /* But keep at least one zero. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
788 if (d_ptr == c_ptr) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
789 *d_ptr++ = '0'; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
790 /* Terminate the string. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
791 *d_ptr = '\0'; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
792 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
793 return c_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
794 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
795 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
796 # if NEED_PRINTF_LONG_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
797 |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
798 /* Assuming x is finite and >= 0: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
799 write x as x = 2^e * m, where m is a bignum. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
800 Return the allocated memory in case of success, NULL in case of memory |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
801 allocation failure. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
802 static void * |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
803 decode_long_double (long double x, int *ep, mpn_t *mp) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
804 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
805 mpn_t m; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
806 int exp; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
807 long double y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
808 size_t i; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
809 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
810 /* Allocate memory for result. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
811 m.nlimbs = (LDBL_MANT_BIT + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
812 m.limbs = (mp_limb_t *) malloc (m.nlimbs * sizeof (mp_limb_t)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
813 if (m.limbs == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
814 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
815 /* Split into exponential part and mantissa. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
816 y = frexpl (x, &exp); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
817 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
818 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
819 /* x = 2^exp * y = 2^(exp - LDBL_MANT_BIT) * (y * LDBL_MANT_BIT), and the |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
820 latter is an integer. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
821 /* Convert the mantissa (y * LDBL_MANT_BIT) to a sequence of limbs. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
822 I'm not sure whether it's safe to cast a 'long double' value between |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
823 2^31 and 2^32 to 'unsigned int', therefore play safe and cast only |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
824 'long double' values between 0 and 2^16 (to 'unsigned int' or 'int', |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
825 doesn't matter). */ |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
826 # if (LDBL_MANT_BIT % GMP_LIMB_BITS) != 0 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
827 # if (LDBL_MANT_BIT % GMP_LIMB_BITS) > GMP_LIMB_BITS / 2 |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
828 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
829 mp_limb_t hi, lo; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
830 y *= (mp_limb_t) 1 << (LDBL_MANT_BIT % (GMP_LIMB_BITS / 2)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
831 hi = (int) y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
832 y -= hi; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
833 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
834 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
835 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
836 lo = (int) y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
837 y -= lo; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
838 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
839 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
840 m.limbs[LDBL_MANT_BIT / GMP_LIMB_BITS] = (hi << (GMP_LIMB_BITS / 2)) | lo; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
841 } |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
842 # else |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
843 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
844 mp_limb_t d; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
845 y *= (mp_limb_t) 1 << (LDBL_MANT_BIT % GMP_LIMB_BITS); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
846 d = (int) y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
847 y -= d; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
848 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
849 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
850 m.limbs[LDBL_MANT_BIT / GMP_LIMB_BITS] = d; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
851 } |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
852 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
853 # endif |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
854 for (i = LDBL_MANT_BIT / GMP_LIMB_BITS; i > 0; ) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
855 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
856 mp_limb_t hi, lo; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
857 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
858 hi = (int) y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
859 y -= hi; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
860 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
861 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
862 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
863 lo = (int) y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
864 y -= lo; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
865 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
866 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
867 m.limbs[--i] = (hi << (GMP_LIMB_BITS / 2)) | lo; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
868 } |
9489
940605ef6e9e
Don't abort if the 'long double' type has excess precision.
Bruno Haible <bruno@clisp.org>
parents:
9462
diff
changeset
|
869 #if 0 /* On FreeBSD 6.1/x86, 'long double' numbers sometimes have excess |
940605ef6e9e
Don't abort if the 'long double' type has excess precision.
Bruno Haible <bruno@clisp.org>
parents:
9462
diff
changeset
|
870 precision. */ |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
871 if (!(y == 0.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
872 abort (); |
9489
940605ef6e9e
Don't abort if the 'long double' type has excess precision.
Bruno Haible <bruno@clisp.org>
parents:
9462
diff
changeset
|
873 #endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
874 /* Normalise. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
875 while (m.nlimbs > 0 && m.limbs[m.nlimbs - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
876 m.nlimbs--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
877 *mp = m; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
878 *ep = exp - LDBL_MANT_BIT; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
879 return m.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
880 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
881 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
882 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
883 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
884 # if NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
885 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
886 /* Assuming x is finite and >= 0: |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
887 write x as x = 2^e * m, where m is a bignum. |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
888 Return the allocated memory in case of success, NULL in case of memory |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
889 allocation failure. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
890 static void * |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
891 decode_double (double x, int *ep, mpn_t *mp) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
892 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
893 mpn_t m; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
894 int exp; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
895 double y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
896 size_t i; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
897 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
898 /* Allocate memory for result. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
899 m.nlimbs = (DBL_MANT_BIT + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
900 m.limbs = (mp_limb_t *) malloc (m.nlimbs * sizeof (mp_limb_t)); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
901 if (m.limbs == NULL) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
902 return NULL; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
903 /* Split into exponential part and mantissa. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
904 y = frexp (x, &exp); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
905 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
906 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
907 /* x = 2^exp * y = 2^(exp - DBL_MANT_BIT) * (y * DBL_MANT_BIT), and the |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
908 latter is an integer. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
909 /* Convert the mantissa (y * DBL_MANT_BIT) to a sequence of limbs. |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
910 I'm not sure whether it's safe to cast a 'double' value between |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
911 2^31 and 2^32 to 'unsigned int', therefore play safe and cast only |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
912 'double' values between 0 and 2^16 (to 'unsigned int' or 'int', |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
913 doesn't matter). */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
914 # if (DBL_MANT_BIT % GMP_LIMB_BITS) != 0 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
915 # if (DBL_MANT_BIT % GMP_LIMB_BITS) > GMP_LIMB_BITS / 2 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
916 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
917 mp_limb_t hi, lo; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
918 y *= (mp_limb_t) 1 << (DBL_MANT_BIT % (GMP_LIMB_BITS / 2)); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
919 hi = (int) y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
920 y -= hi; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
921 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
922 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
923 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
924 lo = (int) y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
925 y -= lo; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
926 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
927 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
928 m.limbs[DBL_MANT_BIT / GMP_LIMB_BITS] = (hi << (GMP_LIMB_BITS / 2)) | lo; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
929 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
930 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
931 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
932 mp_limb_t d; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
933 y *= (mp_limb_t) 1 << (DBL_MANT_BIT % GMP_LIMB_BITS); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
934 d = (int) y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
935 y -= d; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
936 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
937 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
938 m.limbs[DBL_MANT_BIT / GMP_LIMB_BITS] = d; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
939 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
940 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
941 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
942 for (i = DBL_MANT_BIT / GMP_LIMB_BITS; i > 0; ) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
943 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
944 mp_limb_t hi, lo; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
945 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
946 hi = (int) y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
947 y -= hi; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
948 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
949 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
950 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
951 lo = (int) y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
952 y -= lo; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
953 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
954 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
955 m.limbs[--i] = (hi << (GMP_LIMB_BITS / 2)) | lo; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
956 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
957 if (!(y == 0.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
958 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
959 /* Normalise. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
960 while (m.nlimbs > 0 && m.limbs[m.nlimbs - 1] == 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
961 m.nlimbs--; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
962 *mp = m; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
963 *ep = exp - DBL_MANT_BIT; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
964 return m.limbs; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
965 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
966 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
967 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
968 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
969 /* Assuming x = 2^e * m is finite and >= 0, and n is an integer: |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
970 Returns the decimal representation of round (x * 10^n). |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
971 Return the allocated memory - containing the decimal digits in low-to-high |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
972 order, terminated with a NUL character - in case of success, NULL in case |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
973 of memory allocation failure. */ |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
974 static char * |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
975 scale10_round_decimal_decoded (int e, mpn_t m, void *memory, int n) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
976 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
977 int s; |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
978 size_t extra_zeroes; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
979 unsigned int abs_n; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
980 unsigned int abs_s; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
981 mp_limb_t *pow5_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
982 size_t pow5_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
983 unsigned int s_limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
984 unsigned int s_bits; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
985 mpn_t pow5; |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
986 mpn_t z; |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
987 void *z_memory; |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
988 char *digits; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
989 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
990 if (memory == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
991 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
992 /* x = 2^e * m, hence |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
993 y = round (2^e * 10^n * m) = round (2^(e+n) * 5^n * m) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
994 = round (2^s * 5^n * m). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
995 s = e + n; |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
996 extra_zeroes = 0; |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
997 /* Factor out a common power of 10 if possible. */ |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
998 if (s > 0 && n > 0) |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
999 { |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1000 extra_zeroes = (s < n ? s : n); |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1001 s -= extra_zeroes; |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1002 n -= extra_zeroes; |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1003 } |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1004 /* Here y = round (2^s * 5^n * m) * 10^extra_zeroes. |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1005 Before converting to decimal, we need to compute |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1006 z = round (2^s * 5^n * m). */ |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1007 /* Compute 5^|n|, possibly shifted by |s| bits if n and s have the same |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1008 sign. 2.322 is slightly larger than log(5)/log(2). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1009 abs_n = (n >= 0 ? n : -n); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1010 abs_s = (s >= 0 ? s : -s); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1011 pow5_ptr = (mp_limb_t *) malloc (((int)(abs_n * (2.322f / GMP_LIMB_BITS)) + 1 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1012 + abs_s / GMP_LIMB_BITS + 1) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1013 * sizeof (mp_limb_t)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1014 if (pow5_ptr == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1015 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1016 free (memory); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1017 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1018 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1019 /* Initialize with 1. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1020 pow5_ptr[0] = 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1021 pow5_len = 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1022 /* Multiply with 5^|n|. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1023 if (abs_n > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1024 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1025 static mp_limb_t const small_pow5[13 + 1] = |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1026 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1027 1, 5, 25, 125, 625, 3125, 15625, 78125, 390625, 1953125, 9765625, |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1028 48828125, 244140625, 1220703125 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1029 }; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1030 unsigned int n13; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1031 for (n13 = 0; n13 <= abs_n; n13 += 13) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1032 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1033 mp_limb_t digit1 = small_pow5[n13 + 13 <= abs_n ? 13 : abs_n - n13]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1034 size_t j; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1035 mp_twolimb_t carry = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1036 for (j = 0; j < pow5_len; j++) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1037 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1038 mp_limb_t digit2 = pow5_ptr[j]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1039 carry += (mp_twolimb_t) digit1 * (mp_twolimb_t) digit2; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1040 pow5_ptr[j] = (mp_limb_t) carry; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1041 carry = carry >> GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1042 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1043 if (carry > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1044 pow5_ptr[pow5_len++] = (mp_limb_t) carry; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1045 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1046 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1047 s_limbs = abs_s / GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1048 s_bits = abs_s % GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1049 if (n >= 0 ? s >= 0 : s <= 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1050 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1051 /* Multiply with 2^|s|. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1052 if (s_bits > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1053 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1054 mp_limb_t *ptr = pow5_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1055 mp_twolimb_t accu = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1056 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1057 for (count = pow5_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1058 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1059 accu += (mp_twolimb_t) *ptr << s_bits; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1060 *ptr++ = (mp_limb_t) accu; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1061 accu = accu >> GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1062 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1063 if (accu > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1064 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1065 *ptr = (mp_limb_t) accu; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1066 pow5_len++; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1067 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1068 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1069 if (s_limbs > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1070 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1071 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1072 for (count = pow5_len; count > 0;) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1073 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1074 count--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1075 pow5_ptr[s_limbs + count] = pow5_ptr[count]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1076 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1077 for (count = s_limbs; count > 0;) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1078 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1079 count--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1080 pow5_ptr[count] = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1081 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1082 pow5_len += s_limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1083 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1084 pow5.limbs = pow5_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1085 pow5.nlimbs = pow5_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1086 if (n >= 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1087 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1088 /* Multiply m with pow5. No division needed. */ |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1089 z_memory = multiply (m, pow5, &z); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1090 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1091 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1092 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1093 /* Divide m by pow5 and round. */ |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1094 z_memory = divide (m, pow5, &z); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1095 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1096 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1097 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1098 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1099 pow5.limbs = pow5_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1100 pow5.nlimbs = pow5_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1101 if (n >= 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1102 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1103 /* n >= 0, s < 0. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1104 Multiply m with pow5, then divide by 2^|s|. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1105 mpn_t numerator; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1106 mpn_t denominator; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1107 void *tmp_memory; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1108 tmp_memory = multiply (m, pow5, &numerator); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1109 if (tmp_memory == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1110 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1111 free (pow5_ptr); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1112 free (memory); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1113 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1114 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1115 /* Construct 2^|s|. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1116 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1117 mp_limb_t *ptr = pow5_ptr + pow5_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1118 size_t i; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1119 for (i = 0; i < s_limbs; i++) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1120 ptr[i] = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1121 ptr[s_limbs] = (mp_limb_t) 1 << s_bits; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1122 denominator.limbs = ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1123 denominator.nlimbs = s_limbs + 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1124 } |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1125 z_memory = divide (numerator, denominator, &z); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1126 free (tmp_memory); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1127 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1128 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1129 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1130 /* n < 0, s > 0. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1131 Multiply m with 2^s, then divide by pow5. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1132 mpn_t numerator; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1133 mp_limb_t *num_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1134 num_ptr = (mp_limb_t *) malloc ((m.nlimbs + s_limbs + 1) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1135 * sizeof (mp_limb_t)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1136 if (num_ptr == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1137 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1138 free (pow5_ptr); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1139 free (memory); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1140 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1141 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1142 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1143 mp_limb_t *destptr = num_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1144 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1145 size_t i; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1146 for (i = 0; i < s_limbs; i++) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1147 *destptr++ = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1148 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1149 if (s_bits > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1150 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1151 const mp_limb_t *sourceptr = m.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1152 mp_twolimb_t accu = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1153 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1154 for (count = m.nlimbs; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1155 { |
9445
e0f2eeb1796a
Fix output of floating-point values with large exponent.
Bruno Haible <bruno@clisp.org>
parents:
9442
diff
changeset
|
1156 accu += (mp_twolimb_t) *sourceptr++ << s_bits; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1157 *destptr++ = (mp_limb_t) accu; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1158 accu = accu >> GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1159 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1160 if (accu > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1161 *destptr++ = (mp_limb_t) accu; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1162 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1163 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1164 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1165 const mp_limb_t *sourceptr = m.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1166 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1167 for (count = m.nlimbs; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1168 *destptr++ = *sourceptr++; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1169 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1170 numerator.limbs = num_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1171 numerator.nlimbs = destptr - num_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1172 } |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1173 z_memory = divide (numerator, pow5, &z); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1174 free (num_ptr); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1175 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1176 } |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1177 free (pow5_ptr); |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1178 free (memory); |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1179 |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1180 /* Here y = round (x * 10^n) = z * 10^extra_zeroes. */ |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1181 |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1182 if (z_memory == NULL) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1183 return NULL; |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1184 digits = convert_to_decimal (z, extra_zeroes); |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1185 free (z_memory); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1186 return digits; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1187 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1188 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1189 # if NEED_PRINTF_LONG_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1190 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1191 /* Assuming x is finite and >= 0, and n is an integer: |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1192 Returns the decimal representation of round (x * 10^n). |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1193 Return the allocated memory - containing the decimal digits in low-to-high |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1194 order, terminated with a NUL character - in case of success, NULL in case |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1195 of memory allocation failure. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1196 static char * |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1197 scale10_round_decimal_long_double (long double x, int n) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1198 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1199 int e; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1200 mpn_t m; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1201 void *memory = decode_long_double (x, &e, &m); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1202 return scale10_round_decimal_decoded (e, m, memory, n); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1203 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1204 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1205 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1206 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1207 # if NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1208 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1209 /* Assuming x is finite and >= 0, and n is an integer: |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1210 Returns the decimal representation of round (x * 10^n). |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1211 Return the allocated memory - containing the decimal digits in low-to-high |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1212 order, terminated with a NUL character - in case of success, NULL in case |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1213 of memory allocation failure. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1214 static char * |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1215 scale10_round_decimal_double (double x, int n) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1216 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1217 int e; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1218 mpn_t m; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1219 void *memory = decode_double (x, &e, &m); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1220 return scale10_round_decimal_decoded (e, m, memory, n); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1221 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1222 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1223 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1224 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1225 # if NEED_PRINTF_LONG_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1226 |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1227 /* Assuming x is finite and > 0: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1228 Return an approximation for n with 10^n <= x < 10^(n+1). |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1229 The approximation is usually the right n, but may be off by 1 sometimes. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1230 static int |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1231 floorlog10l (long double x) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1232 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1233 int exp; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1234 long double y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1235 double z; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1236 double l; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1237 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1238 /* Split into exponential part and mantissa. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1239 y = frexpl (x, &exp); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1240 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1241 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1242 if (y == 0.0L) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1243 return INT_MIN; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1244 if (y < 0.5L) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1245 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1246 while (y < (1.0L / (1 << (GMP_LIMB_BITS / 2)) / (1 << (GMP_LIMB_BITS / 2)))) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1247 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1248 y *= 1.0L * (1 << (GMP_LIMB_BITS / 2)) * (1 << (GMP_LIMB_BITS / 2)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1249 exp -= GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1250 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1251 if (y < (1.0L / (1 << 16))) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1252 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1253 y *= 1.0L * (1 << 16); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1254 exp -= 16; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1255 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1256 if (y < (1.0L / (1 << 8))) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1257 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1258 y *= 1.0L * (1 << 8); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1259 exp -= 8; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1260 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1261 if (y < (1.0L / (1 << 4))) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1262 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1263 y *= 1.0L * (1 << 4); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1264 exp -= 4; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1265 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1266 if (y < (1.0L / (1 << 2))) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1267 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1268 y *= 1.0L * (1 << 2); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1269 exp -= 2; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1270 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1271 if (y < (1.0L / (1 << 1))) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1272 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1273 y *= 1.0L * (1 << 1); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1274 exp -= 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1275 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1276 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1277 if (!(y >= 0.5L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1278 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1279 /* Compute an approximation for l = log2(x) = exp + log2(y). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1280 l = exp; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1281 z = y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1282 if (z < 0.70710678118654752444) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1283 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1284 z *= 1.4142135623730950488; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1285 l -= 0.5; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1286 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1287 if (z < 0.8408964152537145431) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1288 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1289 z *= 1.1892071150027210667; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1290 l -= 0.25; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1291 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1292 if (z < 0.91700404320467123175) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1293 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1294 z *= 1.0905077326652576592; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1295 l -= 0.125; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1296 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1297 if (z < 0.9576032806985736469) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1298 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1299 z *= 1.0442737824274138403; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1300 l -= 0.0625; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1301 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1302 /* Now 0.95 <= z <= 1.01. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1303 z = 1 - z; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1304 /* log(1-z) = - z - z^2/2 - z^3/3 - z^4/4 - ... |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1305 Four terms are enough to get an approximation with error < 10^-7. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1306 l -= z * (1.0 + z * (0.5 + z * ((1.0 / 3) + z * 0.25))); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1307 /* Finally multiply with log(2)/log(10), yields an approximation for |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1308 log10(x). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1309 l *= 0.30102999566398119523; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1310 /* Round down to the next integer. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1311 return (int) l + (l < 0 ? -1 : 0); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1312 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1313 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1314 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1315 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1316 # if NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1317 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1318 /* Assuming x is finite and > 0: |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1319 Return an approximation for n with 10^n <= x < 10^(n+1). |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1320 The approximation is usually the right n, but may be off by 1 sometimes. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1321 static int |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1322 floorlog10 (double x) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1323 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1324 int exp; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1325 double y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1326 double z; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1327 double l; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1328 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1329 /* Split into exponential part and mantissa. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1330 y = frexp (x, &exp); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1331 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1332 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1333 if (y == 0.0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1334 return INT_MIN; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1335 if (y < 0.5) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1336 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1337 while (y < (1.0 / (1 << (GMP_LIMB_BITS / 2)) / (1 << (GMP_LIMB_BITS / 2)))) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1338 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1339 y *= 1.0 * (1 << (GMP_LIMB_BITS / 2)) * (1 << (GMP_LIMB_BITS / 2)); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1340 exp -= GMP_LIMB_BITS; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1341 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1342 if (y < (1.0 / (1 << 16))) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1343 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1344 y *= 1.0 * (1 << 16); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1345 exp -= 16; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1346 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1347 if (y < (1.0 / (1 << 8))) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1348 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1349 y *= 1.0 * (1 << 8); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1350 exp -= 8; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1351 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1352 if (y < (1.0 / (1 << 4))) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1353 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1354 y *= 1.0 * (1 << 4); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1355 exp -= 4; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1356 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1357 if (y < (1.0 / (1 << 2))) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1358 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1359 y *= 1.0 * (1 << 2); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1360 exp -= 2; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1361 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1362 if (y < (1.0 / (1 << 1))) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1363 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1364 y *= 1.0 * (1 << 1); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1365 exp -= 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1366 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1367 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1368 if (!(y >= 0.5 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1369 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1370 /* Compute an approximation for l = log2(x) = exp + log2(y). */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1371 l = exp; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1372 z = y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1373 if (z < 0.70710678118654752444) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1374 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1375 z *= 1.4142135623730950488; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1376 l -= 0.5; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1377 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1378 if (z < 0.8408964152537145431) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1379 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1380 z *= 1.1892071150027210667; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1381 l -= 0.25; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1382 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1383 if (z < 0.91700404320467123175) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1384 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1385 z *= 1.0905077326652576592; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1386 l -= 0.125; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1387 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1388 if (z < 0.9576032806985736469) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1389 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1390 z *= 1.0442737824274138403; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1391 l -= 0.0625; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1392 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1393 /* Now 0.95 <= z <= 1.01. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1394 z = 1 - z; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1395 /* log(1-z) = - z - z^2/2 - z^3/3 - z^4/4 - ... |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1396 Four terms are enough to get an approximation with error < 10^-7. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1397 l -= z * (1.0 + z * (0.5 + z * ((1.0 / 3) + z * 0.25))); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1398 /* Finally multiply with log(2)/log(10), yields an approximation for |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1399 log10(x). */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1400 l *= 0.30102999566398119523; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1401 /* Round down to the next integer. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1402 return (int) l + (l < 0 ? -1 : 0); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1403 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1404 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1405 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1406 |
9938
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1407 /* Tests whether a string of digits consists of exactly PRECISION zeroes and |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1408 a single '1' digit. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1409 static int |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1410 is_borderline (const char *digits, size_t precision) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1411 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1412 for (; precision > 0; precision--, digits++) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1413 if (*digits != '0') |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1414 return 0; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1415 if (*digits != '1') |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1416 return 0; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1417 digits++; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1418 return *digits == '\0'; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1419 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1420 |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1421 #endif |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1422 |
8961 | 1423 DCHAR_T * |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1424 VASNPRINTF (DCHAR_T *resultbuf, size_t *lengthp, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1425 const FCHAR_T *format, va_list args) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1426 { |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1427 DIRECTIVES d; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1428 arguments a; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1429 |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1430 if (PRINTF_PARSE (format, &d, &a) < 0) |
9438
290aa46b4526
Fix out-of-memory handling of vasnprintf.
Bruno Haible <bruno@clisp.org>
parents:
9371
diff
changeset
|
1431 /* errno is already set. */ |
290aa46b4526
Fix out-of-memory handling of vasnprintf.
Bruno Haible <bruno@clisp.org>
parents:
9371
diff
changeset
|
1432 return NULL; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1433 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1434 #define CLEANUP() \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1435 free (d.dir); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1436 if (a.arg) \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1437 free (a.arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1438 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1439 if (PRINTF_FETCHARGS (args, &a) < 0) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1440 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1441 CLEANUP (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1442 errno = EINVAL; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1443 return NULL; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1444 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1445 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1446 { |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1447 size_t buf_neededlength; |
8961 | 1448 TCHAR_T *buf; |
1449 TCHAR_T *buf_malloced; | |
1450 const FCHAR_T *cp; | |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1451 size_t i; |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1452 DIRECTIVE *dp; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1453 /* Output string accumulator. */ |
8961 | 1454 DCHAR_T *result; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1455 size_t allocated; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1456 size_t length; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1457 |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1458 /* Allocate a small buffer that will hold a directive passed to |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1459 sprintf or snprintf. */ |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1460 buf_neededlength = |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1461 xsum4 (7, d.max_width_length, d.max_precision_length, 6); |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1462 #if HAVE_ALLOCA |
8961 | 1463 if (buf_neededlength < 4000 / sizeof (TCHAR_T)) |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1464 { |
8961 | 1465 buf = (TCHAR_T *) alloca (buf_neededlength * sizeof (TCHAR_T)); |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1466 buf_malloced = NULL; |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1467 } |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1468 else |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1469 #endif |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1470 { |
8961 | 1471 size_t buf_memsize = xtimes (buf_neededlength, sizeof (TCHAR_T)); |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1472 if (size_overflow_p (buf_memsize)) |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1473 goto out_of_memory_1; |
8961 | 1474 buf = (TCHAR_T *) malloc (buf_memsize); |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1475 if (buf == NULL) |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1476 goto out_of_memory_1; |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1477 buf_malloced = buf; |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1478 } |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1479 |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1480 if (resultbuf != NULL) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1481 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1482 result = resultbuf; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1483 allocated = *lengthp; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1484 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1485 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1486 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1487 result = NULL; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1488 allocated = 0; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1489 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1490 length = 0; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1491 /* Invariants: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1492 result is either == resultbuf or == NULL or malloc-allocated. |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1493 If length > 0, then result != NULL. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1494 |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1495 /* Ensures that allocated >= needed. Aborts through a jump to |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1496 out_of_memory if needed is SIZE_MAX or otherwise too big. */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1497 #define ENSURE_ALLOCATION(needed) \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1498 if ((needed) > allocated) \ |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1499 { \ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1500 size_t memory_size; \ |
8961 | 1501 DCHAR_T *memory; \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1502 \ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1503 allocated = (allocated > 0 ? xtimes (allocated, 2) : 12); \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1504 if ((needed) > allocated) \ |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1505 allocated = (needed); \ |
8961 | 1506 memory_size = xtimes (allocated, sizeof (DCHAR_T)); \ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1507 if (size_overflow_p (memory_size)) \ |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1508 goto out_of_memory; \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1509 if (result == resultbuf || result == NULL) \ |
8961 | 1510 memory = (DCHAR_T *) malloc (memory_size); \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1511 else \ |
8961 | 1512 memory = (DCHAR_T *) realloc (result, memory_size); \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1513 if (memory == NULL) \ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1514 goto out_of_memory; \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1515 if (result == resultbuf && length > 0) \ |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1516 DCHAR_CPY (memory, result, length); \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1517 result = memory; \ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1518 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1519 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1520 for (cp = format, i = 0, dp = &d.dir[0]; ; cp = dp->dir_end, i++, dp++) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1521 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1522 if (cp != dp->dir_start) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1523 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1524 size_t n = dp->dir_start - cp; |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1525 size_t augmented_length = xsum (length, n); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1526 |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1527 ENSURE_ALLOCATION (augmented_length); |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1528 /* This copies a piece of FCHAR_T[] into a DCHAR_T[]. Here we |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1529 need that the format string contains only ASCII characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1530 if FCHAR_T and DCHAR_T are not the same type. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1531 if (sizeof (FCHAR_T) == sizeof (DCHAR_T)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1532 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1533 DCHAR_CPY (result + length, (const DCHAR_T *) cp, n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1534 length = augmented_length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1535 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1536 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1537 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1538 do |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1539 result[length++] = (unsigned char) *cp++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1540 while (--n > 0); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1541 } |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1542 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1543 if (i == d.count) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1544 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1545 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1546 /* Execute a single directive. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1547 if (dp->conversion == '%') |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1548 { |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1549 size_t augmented_length; |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1550 |
4886
e4317f1f2e2c
Use size_t instead of ssize_t.
Bruno Haible <bruno@clisp.org>
parents:
4879
diff
changeset
|
1551 if (!(dp->arg_index == ARG_NONE)) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1552 abort (); |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1553 augmented_length = xsum (length, 1); |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1554 ENSURE_ALLOCATION (augmented_length); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1555 result[length] = '%'; |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1556 length = augmented_length; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1557 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1558 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1559 { |
4886
e4317f1f2e2c
Use size_t instead of ssize_t.
Bruno Haible <bruno@clisp.org>
parents:
4879
diff
changeset
|
1560 if (!(dp->arg_index != ARG_NONE)) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1561 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1562 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1563 if (dp->conversion == 'n') |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1564 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1565 switch (a.arg[dp->arg_index].type) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1566 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1567 case TYPE_COUNT_SCHAR_POINTER: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1568 *a.arg[dp->arg_index].a.a_count_schar_pointer = length; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1569 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1570 case TYPE_COUNT_SHORT_POINTER: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1571 *a.arg[dp->arg_index].a.a_count_short_pointer = length; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1572 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1573 case TYPE_COUNT_INT_POINTER: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1574 *a.arg[dp->arg_index].a.a_count_int_pointer = length; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1575 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1576 case TYPE_COUNT_LONGINT_POINTER: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1577 *a.arg[dp->arg_index].a.a_count_longint_pointer = length; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1578 break; |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
1579 #if HAVE_LONG_LONG_INT |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1580 case TYPE_COUNT_LONGLONGINT_POINTER: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1581 *a.arg[dp->arg_index].a.a_count_longlongint_pointer = length; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1582 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1583 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1584 default: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1585 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1586 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1587 } |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1588 #if ENABLE_UNISTDIO |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1589 /* The unistdio extensions. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1590 else if (dp->conversion == 'U') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1591 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1592 arg_type type = a.arg[dp->arg_index].type; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1593 int flags = dp->flags; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1594 int has_width; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1595 size_t width; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1596 int has_precision; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1597 size_t precision; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1598 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1599 has_width = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1600 width = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1601 if (dp->width_start != dp->width_end) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1602 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1603 if (dp->width_arg_index != ARG_NONE) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1604 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1605 int arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1606 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1607 if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1608 abort (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1609 arg = a.arg[dp->width_arg_index].a.a_int; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1610 if (arg < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1611 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1612 /* "A negative field width is taken as a '-' flag |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1613 followed by a positive field width." */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1614 flags |= FLAG_LEFT; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1615 width = (unsigned int) (-arg); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1616 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1617 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1618 width = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1619 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1620 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1621 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1622 const FCHAR_T *digitp = dp->width_start; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1623 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1624 do |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1625 width = xsum (xtimes (width, 10), *digitp++ - '0'); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1626 while (digitp != dp->width_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1627 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1628 has_width = 1; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1629 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1630 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1631 has_precision = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1632 precision = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1633 if (dp->precision_start != dp->precision_end) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1634 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1635 if (dp->precision_arg_index != ARG_NONE) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1636 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1637 int arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1638 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1639 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1640 abort (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1641 arg = a.arg[dp->precision_arg_index].a.a_int; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1642 /* "A negative precision is taken as if the precision |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1643 were omitted." */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1644 if (arg >= 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1645 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1646 precision = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1647 has_precision = 1; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1648 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1649 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1650 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1651 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1652 const FCHAR_T *digitp = dp->precision_start + 1; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1653 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1654 precision = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1655 while (digitp != dp->precision_end) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1656 precision = xsum (xtimes (precision, 10), *digitp++ - '0'); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1657 has_precision = 1; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1658 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1659 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1660 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1661 switch (type) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1662 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1663 case TYPE_U8_STRING: |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1664 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1665 const uint8_t *arg = a.arg[dp->arg_index].a.a_u8_string; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1666 const uint8_t *arg_end; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1667 size_t characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1668 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1669 if (has_precision) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1670 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1671 /* Use only PRECISION characters, from the left. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1672 arg_end = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1673 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1674 for (; precision > 0; precision--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1675 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1676 int count = u8_strmblen (arg_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1677 if (count == 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1678 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1679 if (count < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1680 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1681 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1682 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1683 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1684 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1685 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1686 errno = EILSEQ; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1687 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1688 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1689 arg_end += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1690 characters++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1691 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1692 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1693 else if (has_width) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1694 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1695 /* Use the entire string, and count the number of |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1696 characters. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1697 arg_end = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1698 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1699 for (;;) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1700 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1701 int count = u8_strmblen (arg_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1702 if (count == 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1703 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1704 if (count < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1705 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1706 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1707 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1708 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1709 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1710 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1711 errno = EILSEQ; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1712 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1713 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1714 arg_end += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1715 characters++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1716 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1717 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1718 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1719 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1720 /* Use the entire string. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1721 arg_end = arg + u8_strlen (arg); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1722 /* The number of characters doesn't matter. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1723 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1724 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1725 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1726 if (has_width && width > characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1727 && !(dp->flags & FLAG_LEFT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1728 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1729 size_t n = width - characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1730 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1731 DCHAR_SET (result + length, ' ', n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1732 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1733 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1734 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1735 # if DCHAR_IS_UINT8_T |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1736 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1737 size_t n = arg_end - arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1738 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1739 DCHAR_CPY (result + length, arg, n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1740 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1741 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1742 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1743 { /* Convert. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1744 DCHAR_T *converted = result + length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1745 size_t converted_len = allocated - length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1746 # if DCHAR_IS_TCHAR |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1747 /* Convert from UTF-8 to locale encoding. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1748 if (u8_conv_to_encoding (locale_charset (), |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1749 iconveh_question_mark, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1750 arg, arg_end - arg, NULL, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1751 &converted, &converted_len) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1752 < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1753 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1754 /* Convert from UTF-8 to UTF-16/UTF-32. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1755 converted = |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1756 U8_TO_DCHAR (arg, arg_end - arg, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1757 converted, &converted_len); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1758 if (converted == NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1759 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1760 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1761 int saved_errno = errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1762 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1763 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1764 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1765 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1766 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1767 errno = saved_errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1768 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1769 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1770 if (converted != result + length) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1771 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1772 ENSURE_ALLOCATION (xsum (length, converted_len)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1773 DCHAR_CPY (result + length, converted, converted_len); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1774 free (converted); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1775 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1776 length += converted_len; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1777 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1778 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1779 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1780 if (has_width && width > characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1781 && (dp->flags & FLAG_LEFT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1782 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1783 size_t n = width - characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1784 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1785 DCHAR_SET (result + length, ' ', n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1786 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1787 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1788 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1789 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1790 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1791 case TYPE_U16_STRING: |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1792 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1793 const uint16_t *arg = a.arg[dp->arg_index].a.a_u16_string; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1794 const uint16_t *arg_end; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1795 size_t characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1796 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1797 if (has_precision) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1798 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1799 /* Use only PRECISION characters, from the left. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1800 arg_end = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1801 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1802 for (; precision > 0; precision--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1803 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1804 int count = u16_strmblen (arg_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1805 if (count == 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1806 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1807 if (count < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1808 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1809 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1810 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1811 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1812 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1813 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1814 errno = EILSEQ; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1815 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1816 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1817 arg_end += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1818 characters++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1819 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1820 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1821 else if (has_width) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1822 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1823 /* Use the entire string, and count the number of |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1824 characters. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1825 arg_end = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1826 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1827 for (;;) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1828 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1829 int count = u16_strmblen (arg_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1830 if (count == 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1831 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1832 if (count < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1833 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1834 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1835 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1836 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1837 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1838 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1839 errno = EILSEQ; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1840 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1841 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1842 arg_end += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1843 characters++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1844 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1845 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1846 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1847 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1848 /* Use the entire string. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1849 arg_end = arg + u16_strlen (arg); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1850 /* The number of characters doesn't matter. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1851 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1852 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1853 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1854 if (has_width && width > characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1855 && !(dp->flags & FLAG_LEFT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1856 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1857 size_t n = width - characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1858 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1859 DCHAR_SET (result + length, ' ', n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1860 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1861 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1862 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1863 # if DCHAR_IS_UINT16_T |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1864 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1865 size_t n = arg_end - arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1866 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1867 DCHAR_CPY (result + length, arg, n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1868 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1869 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1870 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1871 { /* Convert. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1872 DCHAR_T *converted = result + length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1873 size_t converted_len = allocated - length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1874 # if DCHAR_IS_TCHAR |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1875 /* Convert from UTF-16 to locale encoding. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1876 if (u16_conv_to_encoding (locale_charset (), |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1877 iconveh_question_mark, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1878 arg, arg_end - arg, NULL, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1879 &converted, &converted_len) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1880 < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1881 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1882 /* Convert from UTF-16 to UTF-8/UTF-32. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1883 converted = |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1884 U16_TO_DCHAR (arg, arg_end - arg, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1885 converted, &converted_len); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1886 if (converted == NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1887 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1888 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1889 int saved_errno = errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1890 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1891 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1892 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1893 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1894 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1895 errno = saved_errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1896 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1897 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1898 if (converted != result + length) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1899 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1900 ENSURE_ALLOCATION (xsum (length, converted_len)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1901 DCHAR_CPY (result + length, converted, converted_len); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1902 free (converted); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1903 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1904 length += converted_len; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1905 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1906 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1907 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1908 if (has_width && width > characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1909 && (dp->flags & FLAG_LEFT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1910 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1911 size_t n = width - characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1912 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1913 DCHAR_SET (result + length, ' ', n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1914 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1915 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1916 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1917 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1918 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1919 case TYPE_U32_STRING: |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1920 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1921 const uint32_t *arg = a.arg[dp->arg_index].a.a_u32_string; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1922 const uint32_t *arg_end; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1923 size_t characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1924 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1925 if (has_precision) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1926 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1927 /* Use only PRECISION characters, from the left. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1928 arg_end = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1929 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1930 for (; precision > 0; precision--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1931 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1932 int count = u32_strmblen (arg_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1933 if (count == 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1934 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1935 if (count < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1936 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1937 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1938 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1939 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1940 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1941 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1942 errno = EILSEQ; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1943 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1944 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1945 arg_end += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1946 characters++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1947 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1948 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1949 else if (has_width) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1950 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1951 /* Use the entire string, and count the number of |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1952 characters. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1953 arg_end = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1954 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1955 for (;;) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1956 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1957 int count = u32_strmblen (arg_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1958 if (count == 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1959 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1960 if (count < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1961 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1962 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1963 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1964 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1965 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1966 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1967 errno = EILSEQ; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1968 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1969 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1970 arg_end += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1971 characters++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1972 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1973 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1974 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1975 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1976 /* Use the entire string. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1977 arg_end = arg + u32_strlen (arg); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1978 /* The number of characters doesn't matter. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1979 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1980 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1981 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1982 if (has_width && width > characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1983 && !(dp->flags & FLAG_LEFT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1984 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1985 size_t n = width - characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1986 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1987 DCHAR_SET (result + length, ' ', n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1988 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1989 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1990 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1991 # if DCHAR_IS_UINT32_T |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1992 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1993 size_t n = arg_end - arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1994 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1995 DCHAR_CPY (result + length, arg, n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1996 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1997 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1998 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1999 { /* Convert. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2000 DCHAR_T *converted = result + length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2001 size_t converted_len = allocated - length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2002 # if DCHAR_IS_TCHAR |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2003 /* Convert from UTF-32 to locale encoding. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2004 if (u32_conv_to_encoding (locale_charset (), |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2005 iconveh_question_mark, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2006 arg, arg_end - arg, NULL, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2007 &converted, &converted_len) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2008 < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2009 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2010 /* Convert from UTF-32 to UTF-8/UTF-16. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2011 converted = |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2012 U32_TO_DCHAR (arg, arg_end - arg, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2013 converted, &converted_len); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2014 if (converted == NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2015 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2016 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2017 int saved_errno = errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2018 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2019 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2020 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2021 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2022 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2023 errno = saved_errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2024 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2025 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2026 if (converted != result + length) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2027 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2028 ENSURE_ALLOCATION (xsum (length, converted_len)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2029 DCHAR_CPY (result + length, converted, converted_len); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2030 free (converted); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2031 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2032 length += converted_len; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2033 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2034 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2035 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2036 if (has_width && width > characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2037 && (dp->flags & FLAG_LEFT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2038 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2039 size_t n = width - characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2040 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2041 DCHAR_SET (result + length, ' ', n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2042 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2043 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2044 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2045 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2046 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2047 default: |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2048 abort (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2049 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2050 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2051 #endif |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2052 #if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2053 else if ((dp->conversion == 'a' || dp->conversion == 'A') |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2054 # if !(NEED_PRINTF_DIRECTIVE_A || (NEED_PRINTF_LONG_DOUBLE && NEED_PRINTF_DOUBLE)) |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2055 && (0 |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2056 # if NEED_PRINTF_DOUBLE |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2057 || a.arg[dp->arg_index].type == TYPE_DOUBLE |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2058 # endif |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2059 # if NEED_PRINTF_LONG_DOUBLE |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2060 || a.arg[dp->arg_index].type == TYPE_LONGDOUBLE |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2061 # endif |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2062 ) |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2063 # endif |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2064 ) |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2065 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2066 arg_type type = a.arg[dp->arg_index].type; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2067 int flags = dp->flags; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2068 int has_width; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2069 size_t width; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2070 int has_precision; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2071 size_t precision; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2072 size_t tmp_length; |
8961 | 2073 DCHAR_T tmpbuf[700]; |
2074 DCHAR_T *tmp; | |
2075 DCHAR_T *pad_ptr; | |
2076 DCHAR_T *p; | |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2077 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2078 has_width = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2079 width = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2080 if (dp->width_start != dp->width_end) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2081 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2082 if (dp->width_arg_index != ARG_NONE) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2083 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2084 int arg; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2085 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2086 if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2087 abort (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2088 arg = a.arg[dp->width_arg_index].a.a_int; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2089 if (arg < 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2090 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2091 /* "A negative field width is taken as a '-' flag |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2092 followed by a positive field width." */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2093 flags |= FLAG_LEFT; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2094 width = (unsigned int) (-arg); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2095 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2096 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2097 width = arg; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2098 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2099 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2100 { |
8961 | 2101 const FCHAR_T *digitp = dp->width_start; |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2102 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2103 do |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2104 width = xsum (xtimes (width, 10), *digitp++ - '0'); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2105 while (digitp != dp->width_end); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2106 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2107 has_width = 1; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2108 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2109 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2110 has_precision = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2111 precision = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2112 if (dp->precision_start != dp->precision_end) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2113 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2114 if (dp->precision_arg_index != ARG_NONE) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2115 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2116 int arg; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2117 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2118 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2119 abort (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2120 arg = a.arg[dp->precision_arg_index].a.a_int; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2121 /* "A negative precision is taken as if the precision |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2122 were omitted." */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2123 if (arg >= 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2124 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2125 precision = arg; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2126 has_precision = 1; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2127 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2128 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2129 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2130 { |
8961 | 2131 const FCHAR_T *digitp = dp->precision_start + 1; |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2132 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2133 precision = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2134 while (digitp != dp->precision_end) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2135 precision = xsum (xtimes (precision, 10), *digitp++ - '0'); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2136 has_precision = 1; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2137 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2138 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2139 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2140 /* Allocate a temporary buffer of sufficient size. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2141 if (type == TYPE_LONGDOUBLE) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2142 tmp_length = |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2143 (unsigned int) ((LDBL_DIG + 1) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2144 * 0.831 /* decimal -> hexadecimal */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2145 ) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2146 + 1; /* turn floor into ceil */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2147 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2148 tmp_length = |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2149 (unsigned int) ((DBL_DIG + 1) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2150 * 0.831 /* decimal -> hexadecimal */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2151 ) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2152 + 1; /* turn floor into ceil */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2153 if (tmp_length < precision) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2154 tmp_length = precision; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2155 /* Account for sign, decimal point etc. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2156 tmp_length = xsum (tmp_length, 12); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2157 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2158 if (tmp_length < width) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2159 tmp_length = width; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2160 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2161 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2162 |
8961 | 2163 if (tmp_length <= sizeof (tmpbuf) / sizeof (DCHAR_T)) |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2164 tmp = tmpbuf; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2165 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2166 { |
8961 | 2167 size_t tmp_memsize = xtimes (tmp_length, sizeof (DCHAR_T)); |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2168 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2169 if (size_overflow_p (tmp_memsize)) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2170 /* Overflow, would lead to out of memory. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2171 goto out_of_memory; |
8961 | 2172 tmp = (DCHAR_T *) malloc (tmp_memsize); |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2173 if (tmp == NULL) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2174 /* Out of memory. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2175 goto out_of_memory; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2176 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2177 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2178 pad_ptr = NULL; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2179 p = tmp; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2180 if (type == TYPE_LONGDOUBLE) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2181 { |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2182 # if NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2183 long double arg = a.arg[dp->arg_index].a.a_longdouble; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2184 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2185 if (isnanl (arg)) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2186 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2187 if (dp->conversion == 'A') |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2188 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2189 *p++ = 'N'; *p++ = 'A'; *p++ = 'N'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2190 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2191 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2192 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2193 *p++ = 'n'; *p++ = 'a'; *p++ = 'n'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2194 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2195 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2196 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2197 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2198 int sign = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2199 DECL_LONG_DOUBLE_ROUNDING |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2200 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2201 BEGIN_LONG_DOUBLE_ROUNDING (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2202 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2203 if (signbit (arg)) /* arg < 0.0L or negative zero */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2204 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2205 sign = -1; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2206 arg = -arg; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2207 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2208 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2209 if (sign < 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2210 *p++ = '-'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2211 else if (flags & FLAG_SHOWSIGN) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2212 *p++ = '+'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2213 else if (flags & FLAG_SPACE) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2214 *p++ = ' '; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2215 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2216 if (arg > 0.0L && arg + arg == arg) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2217 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2218 if (dp->conversion == 'A') |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2219 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2220 *p++ = 'I'; *p++ = 'N'; *p++ = 'F'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2221 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2222 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2223 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2224 *p++ = 'i'; *p++ = 'n'; *p++ = 'f'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2225 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2226 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2227 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2228 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2229 int exponent; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2230 long double mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2231 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2232 if (arg > 0.0L) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2233 mantissa = printf_frexpl (arg, &exponent); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2234 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2235 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2236 exponent = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2237 mantissa = 0.0L; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2238 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2239 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2240 if (has_precision |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2241 && precision < (unsigned int) ((LDBL_DIG + 1) * 0.831) + 1) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2242 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2243 /* Round the mantissa. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2244 long double tail = mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2245 size_t q; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2246 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2247 for (q = precision; ; q--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2248 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2249 int digit = (int) tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2250 tail -= digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2251 if (q == 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2252 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2253 if (digit & 1 ? tail >= 0.5L : tail > 0.5L) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2254 tail = 1 - tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2255 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2256 tail = - tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2257 break; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2258 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2259 tail *= 16.0L; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2260 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2261 if (tail != 0.0L) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2262 for (q = precision; q > 0; q--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2263 tail *= 0.0625L; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2264 mantissa += tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2265 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2266 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2267 *p++ = '0'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2268 *p++ = dp->conversion - 'A' + 'X'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2269 pad_ptr = p; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2270 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2271 int digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2272 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2273 digit = (int) mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2274 mantissa -= digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2275 *p++ = '0' + digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2276 if ((flags & FLAG_ALT) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2277 || mantissa > 0.0L || precision > 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2278 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2279 *p++ = decimal_point_char (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2280 /* This loop terminates because we assume |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2281 that FLT_RADIX is a power of 2. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2282 while (mantissa > 0.0L) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2283 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2284 mantissa *= 16.0L; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2285 digit = (int) mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2286 mantissa -= digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2287 *p++ = digit |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2288 + (digit < 10 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2289 ? '0' |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2290 : dp->conversion - 10); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2291 if (precision > 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2292 precision--; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2293 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2294 while (precision > 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2295 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2296 *p++ = '0'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2297 precision--; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2298 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2299 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2300 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2301 *p++ = dp->conversion - 'A' + 'P'; |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2302 # if WIDE_CHAR_VERSION |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2303 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2304 static const wchar_t decimal_format[] = |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2305 { '%', '+', 'd', '\0' }; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2306 SNPRINTF (p, 6 + 1, decimal_format, exponent); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2307 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2308 while (*p != '\0') |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2309 p++; |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2310 # else |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2311 if (sizeof (DCHAR_T) == 1) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2312 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2313 sprintf ((char *) p, "%+d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2314 while (*p != '\0') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2315 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2316 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2317 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2318 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2319 char expbuf[6 + 1]; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2320 const char *ep; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2321 sprintf (expbuf, "%+d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2322 for (ep = expbuf; (*p = *ep) != '\0'; ep++) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2323 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2324 } |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2325 # endif |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2326 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2327 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2328 END_LONG_DOUBLE_ROUNDING (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2329 } |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2330 # else |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2331 abort (); |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2332 # endif |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2333 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2334 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2335 { |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2336 # if NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_DOUBLE |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2337 double arg = a.arg[dp->arg_index].a.a_double; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2338 |
9646
a113e473cc98
Rename isnan, applicable to 'double' only, to isnand.
Bruno Haible <bruno@clisp.org>
parents:
9489
diff
changeset
|
2339 if (isnand (arg)) |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2340 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2341 if (dp->conversion == 'A') |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2342 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2343 *p++ = 'N'; *p++ = 'A'; *p++ = 'N'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2344 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2345 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2346 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2347 *p++ = 'n'; *p++ = 'a'; *p++ = 'n'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2348 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2349 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2350 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2351 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2352 int sign = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2353 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2354 if (signbit (arg)) /* arg < 0.0 or negative zero */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2355 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2356 sign = -1; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2357 arg = -arg; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2358 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2359 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2360 if (sign < 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2361 *p++ = '-'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2362 else if (flags & FLAG_SHOWSIGN) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2363 *p++ = '+'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2364 else if (flags & FLAG_SPACE) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2365 *p++ = ' '; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2366 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2367 if (arg > 0.0 && arg + arg == arg) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2368 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2369 if (dp->conversion == 'A') |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2370 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2371 *p++ = 'I'; *p++ = 'N'; *p++ = 'F'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2372 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2373 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2374 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2375 *p++ = 'i'; *p++ = 'n'; *p++ = 'f'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2376 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2377 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2378 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2379 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2380 int exponent; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2381 double mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2382 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2383 if (arg > 0.0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2384 mantissa = printf_frexp (arg, &exponent); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2385 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2386 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2387 exponent = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2388 mantissa = 0.0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2389 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2390 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2391 if (has_precision |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2392 && precision < (unsigned int) ((DBL_DIG + 1) * 0.831) + 1) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2393 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2394 /* Round the mantissa. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2395 double tail = mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2396 size_t q; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2397 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2398 for (q = precision; ; q--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2399 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2400 int digit = (int) tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2401 tail -= digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2402 if (q == 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2403 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2404 if (digit & 1 ? tail >= 0.5 : tail > 0.5) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2405 tail = 1 - tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2406 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2407 tail = - tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2408 break; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2409 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2410 tail *= 16.0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2411 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2412 if (tail != 0.0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2413 for (q = precision; q > 0; q--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2414 tail *= 0.0625; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2415 mantissa += tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2416 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2417 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2418 *p++ = '0'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2419 *p++ = dp->conversion - 'A' + 'X'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2420 pad_ptr = p; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2421 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2422 int digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2423 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2424 digit = (int) mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2425 mantissa -= digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2426 *p++ = '0' + digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2427 if ((flags & FLAG_ALT) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2428 || mantissa > 0.0 || precision > 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2429 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2430 *p++ = decimal_point_char (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2431 /* This loop terminates because we assume |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2432 that FLT_RADIX is a power of 2. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2433 while (mantissa > 0.0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2434 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2435 mantissa *= 16.0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2436 digit = (int) mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2437 mantissa -= digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2438 *p++ = digit |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2439 + (digit < 10 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2440 ? '0' |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2441 : dp->conversion - 10); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2442 if (precision > 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2443 precision--; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2444 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2445 while (precision > 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2446 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2447 *p++ = '0'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2448 precision--; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2449 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2450 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2451 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2452 *p++ = dp->conversion - 'A' + 'P'; |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2453 # if WIDE_CHAR_VERSION |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2454 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2455 static const wchar_t decimal_format[] = |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2456 { '%', '+', 'd', '\0' }; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2457 SNPRINTF (p, 6 + 1, decimal_format, exponent); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2458 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2459 while (*p != '\0') |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2460 p++; |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2461 # else |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2462 if (sizeof (DCHAR_T) == 1) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2463 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2464 sprintf ((char *) p, "%+d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2465 while (*p != '\0') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2466 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2467 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2468 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2469 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2470 char expbuf[6 + 1]; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2471 const char *ep; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2472 sprintf (expbuf, "%+d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2473 for (ep = expbuf; (*p = *ep) != '\0'; ep++) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2474 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2475 } |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2476 # endif |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2477 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2478 } |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2479 # else |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2480 abort (); |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2481 # endif |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2482 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2483 /* The generated string now extends from tmp to p, with the |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2484 zero padding insertion point being at pad_ptr. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2485 if (has_width && p - tmp < width) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2486 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2487 size_t pad = width - (p - tmp); |
8961 | 2488 DCHAR_T *end = p + pad; |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2489 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2490 if (flags & FLAG_LEFT) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2491 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2492 /* Pad with spaces on the right. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2493 for (; pad > 0; pad--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2494 *p++ = ' '; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2495 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2496 else if ((flags & FLAG_ZERO) && pad_ptr != NULL) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2497 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2498 /* Pad with zeroes. */ |
8961 | 2499 DCHAR_T *q = end; |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2500 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2501 while (p > pad_ptr) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2502 *--q = *--p; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2503 for (; pad > 0; pad--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2504 *p++ = '0'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2505 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2506 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2507 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2508 /* Pad with spaces on the left. */ |
8961 | 2509 DCHAR_T *q = end; |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2510 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2511 while (p > tmp) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2512 *--q = *--p; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2513 for (; pad > 0; pad--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2514 *p++ = ' '; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2515 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2516 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2517 p = end; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2518 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2519 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2520 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2521 size_t count = p - tmp; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2522 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2523 if (count >= tmp_length) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2524 /* tmp_length was incorrectly calculated - fix the |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2525 code above! */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2526 abort (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2527 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2528 /* Make room for the result. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2529 if (count >= allocated - length) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2530 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2531 size_t n = xsum (length, count); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2532 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2533 ENSURE_ALLOCATION (n); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2534 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2535 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2536 /* Append the result. */ |
8961 | 2537 memcpy (result + length, tmp, count * sizeof (DCHAR_T)); |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2538 if (tmp != tmpbuf) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2539 free (tmp); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2540 length += count; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2541 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2542 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2543 #endif |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2544 #if (NEED_PRINTF_INFINITE_DOUBLE || NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE || NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2545 else if ((dp->conversion == 'f' || dp->conversion == 'F' |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2546 || dp->conversion == 'e' || dp->conversion == 'E' |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2547 || dp->conversion == 'g' || dp->conversion == 'G' |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2548 || dp->conversion == 'a' || dp->conversion == 'A') |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2549 && (0 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2550 # if NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2551 || a.arg[dp->arg_index].type == TYPE_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2552 # elif NEED_PRINTF_INFINITE_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2553 || (a.arg[dp->arg_index].type == TYPE_DOUBLE |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2554 /* The systems (mingw) which produce wrong output |
8865
9e203d8ade65
Stricter check for printf result for NaN arguments.
Bruno Haible <bruno@clisp.org>
parents:
8860
diff
changeset
|
2555 for Inf, -Inf, and NaN also do so for -0.0. |
9e203d8ade65
Stricter check for printf result for NaN arguments.
Bruno Haible <bruno@clisp.org>
parents:
8860
diff
changeset
|
2556 Therefore we treat this case here as well. */ |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2557 && is_infinite_or_zero (a.arg[dp->arg_index].a.a_double)) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2558 # endif |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2559 # if NEED_PRINTF_LONG_DOUBLE |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2560 || a.arg[dp->arg_index].type == TYPE_LONGDOUBLE |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
2561 # elif NEED_PRINTF_INFINITE_LONG_DOUBLE |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
2562 || (a.arg[dp->arg_index].type == TYPE_LONGDOUBLE |
8865
9e203d8ade65
Stricter check for printf result for NaN arguments.
Bruno Haible <bruno@clisp.org>
parents:
8860
diff
changeset
|
2563 /* Some systems produce wrong output for Inf, |
9e203d8ade65
Stricter check for printf result for NaN arguments.
Bruno Haible <bruno@clisp.org>
parents:
8860
diff
changeset
|
2564 -Inf, and NaN. */ |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
2565 && is_infinitel (a.arg[dp->arg_index].a.a_longdouble)) |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2566 # endif |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2567 )) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2568 { |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2569 # if (NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE) && (NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE) |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2570 arg_type type = a.arg[dp->arg_index].type; |
8846
6fe000202977
Fix a warning in last patch.
Bruno Haible <bruno@clisp.org>
parents:
8840
diff
changeset
|
2571 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2572 int flags = dp->flags; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2573 int has_width; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2574 size_t width; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2575 int has_precision; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2576 size_t precision; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2577 size_t tmp_length; |
8961 | 2578 DCHAR_T tmpbuf[700]; |
2579 DCHAR_T *tmp; | |
2580 DCHAR_T *pad_ptr; | |
2581 DCHAR_T *p; | |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2582 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2583 has_width = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2584 width = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2585 if (dp->width_start != dp->width_end) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2586 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2587 if (dp->width_arg_index != ARG_NONE) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2588 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2589 int arg; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2590 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2591 if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2592 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2593 arg = a.arg[dp->width_arg_index].a.a_int; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2594 if (arg < 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2595 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2596 /* "A negative field width is taken as a '-' flag |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2597 followed by a positive field width." */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2598 flags |= FLAG_LEFT; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2599 width = (unsigned int) (-arg); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2600 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2601 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2602 width = arg; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2603 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2604 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2605 { |
8961 | 2606 const FCHAR_T *digitp = dp->width_start; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2607 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2608 do |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2609 width = xsum (xtimes (width, 10), *digitp++ - '0'); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2610 while (digitp != dp->width_end); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2611 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2612 has_width = 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2613 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2614 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2615 has_precision = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2616 precision = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2617 if (dp->precision_start != dp->precision_end) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2618 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2619 if (dp->precision_arg_index != ARG_NONE) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2620 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2621 int arg; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2622 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2623 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2624 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2625 arg = a.arg[dp->precision_arg_index].a.a_int; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2626 /* "A negative precision is taken as if the precision |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2627 were omitted." */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2628 if (arg >= 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2629 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2630 precision = arg; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2631 has_precision = 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2632 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2633 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2634 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2635 { |
8961 | 2636 const FCHAR_T *digitp = dp->precision_start + 1; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2637 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2638 precision = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2639 while (digitp != dp->precision_end) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2640 precision = xsum (xtimes (precision, 10), *digitp++ - '0'); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2641 has_precision = 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2642 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2643 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2644 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2645 /* POSIX specifies the default precision to be 6 for %f, %F, |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2646 %e, %E, but not for %g, %G. Implementations appear to use |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2647 the same default precision also for %g, %G. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2648 if (!has_precision) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2649 precision = 6; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2650 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2651 /* Allocate a temporary buffer of sufficient size. */ |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2652 # if NEED_PRINTF_DOUBLE && NEED_PRINTF_LONG_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2653 tmp_length = (type == TYPE_LONGDOUBLE ? LDBL_DIG + 1 : DBL_DIG + 1); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2654 # elif NEED_PRINTF_INFINITE_DOUBLE && NEED_PRINTF_LONG_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2655 tmp_length = (type == TYPE_LONGDOUBLE ? LDBL_DIG + 1 : 0); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2656 # elif NEED_PRINTF_LONG_DOUBLE |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2657 tmp_length = LDBL_DIG + 1; |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2658 # elif NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2659 tmp_length = DBL_DIG + 1; |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
2660 # else |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2661 tmp_length = 0; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2662 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2663 if (tmp_length < precision) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2664 tmp_length = precision; |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2665 # if NEED_PRINTF_LONG_DOUBLE |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2666 # if NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2667 if (type == TYPE_LONGDOUBLE) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2668 # endif |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2669 if (dp->conversion == 'f' || dp->conversion == 'F') |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2670 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2671 long double arg = a.arg[dp->arg_index].a.a_longdouble; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2672 if (!(isnanl (arg) || arg + arg == arg)) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2673 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2674 /* arg is finite and nonzero. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2675 int exponent = floorlog10l (arg < 0 ? -arg : arg); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2676 if (exponent >= 0 && tmp_length < exponent + precision) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2677 tmp_length = exponent + precision; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2678 } |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2679 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2680 # endif |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2681 # if NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2682 # if NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2683 if (type == TYPE_DOUBLE) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2684 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2685 if (dp->conversion == 'f' || dp->conversion == 'F') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2686 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2687 double arg = a.arg[dp->arg_index].a.a_double; |
9646
a113e473cc98
Rename isnan, applicable to 'double' only, to isnand.
Bruno Haible <bruno@clisp.org>
parents:
9489
diff
changeset
|
2688 if (!(isnand (arg) || arg + arg == arg)) |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2689 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2690 /* arg is finite and nonzero. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2691 int exponent = floorlog10 (arg < 0 ? -arg : arg); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2692 if (exponent >= 0 && tmp_length < exponent + precision) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2693 tmp_length = exponent + precision; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2694 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2695 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2696 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2697 /* Account for sign, decimal point etc. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2698 tmp_length = xsum (tmp_length, 12); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2699 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2700 if (tmp_length < width) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2701 tmp_length = width; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2702 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2703 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2704 |
8961 | 2705 if (tmp_length <= sizeof (tmpbuf) / sizeof (DCHAR_T)) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2706 tmp = tmpbuf; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2707 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2708 { |
8961 | 2709 size_t tmp_memsize = xtimes (tmp_length, sizeof (DCHAR_T)); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2710 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2711 if (size_overflow_p (tmp_memsize)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2712 /* Overflow, would lead to out of memory. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2713 goto out_of_memory; |
8961 | 2714 tmp = (DCHAR_T *) malloc (tmp_memsize); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2715 if (tmp == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2716 /* Out of memory. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2717 goto out_of_memory; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2718 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2719 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2720 pad_ptr = NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2721 p = tmp; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2722 |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
2723 # if NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2724 # if NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2725 if (type == TYPE_LONGDOUBLE) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2726 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2727 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2728 long double arg = a.arg[dp->arg_index].a.a_longdouble; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2729 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2730 if (isnanl (arg)) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2731 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2732 if (dp->conversion >= 'A' && dp->conversion <= 'Z') |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2733 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2734 *p++ = 'N'; *p++ = 'A'; *p++ = 'N'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2735 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2736 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2737 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2738 *p++ = 'n'; *p++ = 'a'; *p++ = 'n'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2739 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2740 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2741 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2742 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2743 int sign = 0; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2744 DECL_LONG_DOUBLE_ROUNDING |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2745 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2746 BEGIN_LONG_DOUBLE_ROUNDING (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2747 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2748 if (signbit (arg)) /* arg < 0.0L or negative zero */ |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2749 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2750 sign = -1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2751 arg = -arg; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2752 } |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2753 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2754 if (sign < 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2755 *p++ = '-'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2756 else if (flags & FLAG_SHOWSIGN) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2757 *p++ = '+'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2758 else if (flags & FLAG_SPACE) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2759 *p++ = ' '; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2760 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2761 if (arg > 0.0L && arg + arg == arg) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2762 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2763 if (dp->conversion >= 'A' && dp->conversion <= 'Z') |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2764 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2765 *p++ = 'I'; *p++ = 'N'; *p++ = 'F'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2766 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2767 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2768 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2769 *p++ = 'i'; *p++ = 'n'; *p++ = 'f'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2770 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2771 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2772 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2773 { |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
2774 # if NEED_PRINTF_LONG_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2775 pad_ptr = p; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2776 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2777 if (dp->conversion == 'f' || dp->conversion == 'F') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2778 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2779 char *digits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2780 size_t ndigits; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2781 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2782 digits = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2783 scale10_round_decimal_long_double (arg, precision); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2784 if (digits == NULL) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2785 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2786 END_LONG_DOUBLE_ROUNDING (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2787 goto out_of_memory; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2788 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2789 ndigits = strlen (digits); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2790 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2791 if (ndigits > precision) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2792 do |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2793 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2794 --ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2795 *p++ = digits[ndigits]; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2796 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2797 while (ndigits > precision); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2798 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2799 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2800 /* Here ndigits <= precision. */ |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2801 if ((flags & FLAG_ALT) || precision > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2802 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2803 *p++ = decimal_point_char (); |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2804 for (; precision > ndigits; precision--) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2805 *p++ = '0'; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2806 while (ndigits > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2807 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2808 --ndigits; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2809 *p++ = digits[ndigits]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2810 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2811 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2812 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2813 free (digits); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2814 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2815 else if (dp->conversion == 'e' || dp->conversion == 'E') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2816 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2817 int exponent; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2818 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2819 if (arg == 0.0L) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2820 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2821 exponent = 0; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2822 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2823 if ((flags & FLAG_ALT) || precision > 0) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2824 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2825 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2826 for (; precision > 0; precision--) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2827 *p++ = '0'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2828 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2829 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2830 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2831 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2832 /* arg > 0.0L. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2833 int adjusted; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2834 char *digits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2835 size_t ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2836 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2837 exponent = floorlog10l (arg); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2838 adjusted = 0; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2839 for (;;) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2840 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2841 digits = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2842 scale10_round_decimal_long_double (arg, |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2843 (int)precision - exponent); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2844 if (digits == NULL) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2845 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2846 END_LONG_DOUBLE_ROUNDING (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2847 goto out_of_memory; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2848 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2849 ndigits = strlen (digits); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2850 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2851 if (ndigits == precision + 1) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2852 break; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2853 if (ndigits < precision |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2854 || ndigits > precision + 2) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2855 /* The exponent was not guessed |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2856 precisely enough. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2857 abort (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2858 if (adjusted) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2859 /* None of two values of exponent is |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2860 the right one. Prevent an endless |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2861 loop. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2862 abort (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2863 free (digits); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2864 if (ndigits == precision) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2865 exponent -= 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2866 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2867 exponent += 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2868 adjusted = 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2869 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2870 /* Here ndigits = precision+1. */ |
9938
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2871 if (is_borderline (digits, precision)) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2872 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2873 /* Maybe the exponent guess was too high |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2874 and a smaller exponent can be reached |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2875 by turning a 10...0 into 9...9x. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2876 char *digits2 = |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2877 scale10_round_decimal_long_double (arg, |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2878 (int)precision - exponent + 1); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2879 if (digits2 == NULL) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2880 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2881 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2882 END_LONG_DOUBLE_ROUNDING (); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2883 goto out_of_memory; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2884 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2885 if (strlen (digits2) == precision + 1) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2886 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2887 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2888 digits = digits2; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2889 exponent -= 1; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2890 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2891 else |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2892 free (digits2); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2893 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2894 /* Here ndigits = precision+1. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
2895 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2896 *p++ = digits[--ndigits]; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2897 if ((flags & FLAG_ALT) || precision > 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2898 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2899 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2900 while (ndigits > 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2901 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2902 --ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2903 *p++ = digits[ndigits]; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2904 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2905 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2906 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2907 free (digits); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2908 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2909 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2910 *p++ = dp->conversion; /* 'e' or 'E' */ |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
2911 # if WIDE_CHAR_VERSION |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2912 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2913 static const wchar_t decimal_format[] = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2914 { '%', '+', '.', '2', 'd', '\0' }; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2915 SNPRINTF (p, 6 + 1, decimal_format, exponent); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2916 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2917 while (*p != '\0') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2918 p++; |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2919 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2920 if (sizeof (DCHAR_T) == 1) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2921 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2922 sprintf ((char *) p, "%+.2d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2923 while (*p != '\0') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2924 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2925 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2926 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2927 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2928 char expbuf[6 + 1]; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2929 const char *ep; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2930 sprintf (expbuf, "%+.2d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2931 for (ep = expbuf; (*p = *ep) != '\0'; ep++) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2932 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2933 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2934 # endif |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2935 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2936 else if (dp->conversion == 'g' || dp->conversion == 'G') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2937 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2938 if (precision == 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2939 precision = 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2940 /* precision >= 1. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2941 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2942 if (arg == 0.0L) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2943 /* The exponent is 0, >= -4, < precision. |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2944 Use fixed-point notation. */ |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2945 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2946 size_t ndigits = precision; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2947 /* Number of trailing zeroes that have to be |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2948 dropped. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2949 size_t nzeroes = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2950 (flags & FLAG_ALT ? 0 : precision - 1); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2951 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2952 --ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2953 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2954 if ((flags & FLAG_ALT) || ndigits > nzeroes) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2955 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2956 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2957 while (ndigits > nzeroes) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2958 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2959 --ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2960 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2961 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2962 } |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2963 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2964 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2965 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2966 /* arg > 0.0L. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2967 int exponent; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2968 int adjusted; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2969 char *digits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2970 size_t ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2971 size_t nzeroes; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2972 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2973 exponent = floorlog10l (arg); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2974 adjusted = 0; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2975 for (;;) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2976 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2977 digits = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2978 scale10_round_decimal_long_double (arg, |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2979 (int)(precision - 1) - exponent); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2980 if (digits == NULL) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2981 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2982 END_LONG_DOUBLE_ROUNDING (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2983 goto out_of_memory; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2984 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2985 ndigits = strlen (digits); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2986 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2987 if (ndigits == precision) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2988 break; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2989 if (ndigits < precision - 1 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2990 || ndigits > precision + 1) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2991 /* The exponent was not guessed |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2992 precisely enough. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2993 abort (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2994 if (adjusted) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2995 /* None of two values of exponent is |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2996 the right one. Prevent an endless |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2997 loop. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2998 abort (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2999 free (digits); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3000 if (ndigits < precision) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3001 exponent -= 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3002 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3003 exponent += 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3004 adjusted = 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3005 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3006 /* Here ndigits = precision. */ |
9938
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3007 if (is_borderline (digits, precision - 1)) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3008 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3009 /* Maybe the exponent guess was too high |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3010 and a smaller exponent can be reached |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3011 by turning a 10...0 into 9...9x. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3012 char *digits2 = |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3013 scale10_round_decimal_long_double (arg, |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3014 (int)(precision - 1) - exponent + 1); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3015 if (digits2 == NULL) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3016 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3017 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3018 END_LONG_DOUBLE_ROUNDING (); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3019 goto out_of_memory; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3020 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3021 if (strlen (digits2) == precision) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3022 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3023 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3024 digits = digits2; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3025 exponent -= 1; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3026 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3027 else |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3028 free (digits2); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3029 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3030 /* Here ndigits = precision. */ |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3031 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3032 /* Determine the number of trailing zeroes |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3033 that have to be dropped. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3034 nzeroes = 0; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3035 if ((flags & FLAG_ALT) == 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3036 while (nzeroes < ndigits |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3037 && digits[nzeroes] == '0') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3038 nzeroes++; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3039 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3040 /* The exponent is now determined. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3041 if (exponent >= -4 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3042 && exponent < (long)precision) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3043 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3044 /* Fixed-point notation: |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3045 max(exponent,0)+1 digits, then the |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3046 decimal point, then the remaining |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3047 digits without trailing zeroes. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3048 if (exponent >= 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3049 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3050 size_t count = exponent + 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3051 /* Note: count <= precision = ndigits. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3052 for (; count > 0; count--) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3053 *p++ = digits[--ndigits]; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3054 if ((flags & FLAG_ALT) || ndigits > nzeroes) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3055 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3056 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3057 while (ndigits > nzeroes) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3058 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3059 --ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3060 *p++ = digits[ndigits]; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3061 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3062 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3063 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3064 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3065 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3066 size_t count = -exponent - 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3067 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3068 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3069 for (; count > 0; count--) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3070 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3071 while (ndigits > nzeroes) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3072 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3073 --ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3074 *p++ = digits[ndigits]; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3075 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3076 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3077 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3078 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3079 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3080 /* Exponential notation. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3081 *p++ = digits[--ndigits]; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3082 if ((flags & FLAG_ALT) || ndigits > nzeroes) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3083 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3084 *p++ = decimal_point_char (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3085 while (ndigits > nzeroes) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3086 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3087 --ndigits; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3088 *p++ = digits[ndigits]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3089 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3090 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3091 *p++ = dp->conversion - 'G' + 'E'; /* 'e' or 'E' */ |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3092 # if WIDE_CHAR_VERSION |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3093 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3094 static const wchar_t decimal_format[] = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3095 { '%', '+', '.', '2', 'd', '\0' }; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3096 SNPRINTF (p, 6 + 1, decimal_format, exponent); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3097 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3098 while (*p != '\0') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3099 p++; |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3100 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3101 if (sizeof (DCHAR_T) == 1) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3102 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3103 sprintf ((char *) p, "%+.2d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3104 while (*p != '\0') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3105 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3106 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3107 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3108 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3109 char expbuf[6 + 1]; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3110 const char *ep; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3111 sprintf (expbuf, "%+.2d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3112 for (ep = expbuf; (*p = *ep) != '\0'; ep++) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3113 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3114 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3115 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3116 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3117 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3118 free (digits); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3119 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3120 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3121 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3122 abort (); |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3123 # else |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3124 /* arg is finite. */ |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3125 abort (); |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3126 # endif |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3127 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3128 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3129 END_LONG_DOUBLE_ROUNDING (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3130 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3131 } |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3132 # if NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3133 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3134 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3135 # endif |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3136 # if NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3137 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3138 double arg = a.arg[dp->arg_index].a.a_double; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3139 |
9646
a113e473cc98
Rename isnan, applicable to 'double' only, to isnand.
Bruno Haible <bruno@clisp.org>
parents:
9489
diff
changeset
|
3140 if (isnand (arg)) |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3141 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3142 if (dp->conversion >= 'A' && dp->conversion <= 'Z') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3143 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3144 *p++ = 'N'; *p++ = 'A'; *p++ = 'N'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3145 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3146 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3147 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3148 *p++ = 'n'; *p++ = 'a'; *p++ = 'n'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3149 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3150 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3151 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3152 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3153 int sign = 0; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3154 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3155 if (signbit (arg)) /* arg < 0.0 or negative zero */ |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3156 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3157 sign = -1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3158 arg = -arg; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3159 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3160 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3161 if (sign < 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3162 *p++ = '-'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3163 else if (flags & FLAG_SHOWSIGN) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3164 *p++ = '+'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3165 else if (flags & FLAG_SPACE) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3166 *p++ = ' '; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3167 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3168 if (arg > 0.0 && arg + arg == arg) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3169 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3170 if (dp->conversion >= 'A' && dp->conversion <= 'Z') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3171 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3172 *p++ = 'I'; *p++ = 'N'; *p++ = 'F'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3173 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3174 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3175 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3176 *p++ = 'i'; *p++ = 'n'; *p++ = 'f'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3177 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3178 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3179 else |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3180 { |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3181 # if NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3182 pad_ptr = p; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3183 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3184 if (dp->conversion == 'f' || dp->conversion == 'F') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3185 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3186 char *digits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3187 size_t ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3188 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3189 digits = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3190 scale10_round_decimal_double (arg, precision); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3191 if (digits == NULL) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3192 goto out_of_memory; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3193 ndigits = strlen (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3194 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3195 if (ndigits > precision) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3196 do |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3197 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3198 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3199 *p++ = digits[ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3200 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3201 while (ndigits > precision); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3202 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3203 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3204 /* Here ndigits <= precision. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3205 if ((flags & FLAG_ALT) || precision > 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3206 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3207 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3208 for (; precision > ndigits; precision--) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3209 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3210 while (ndigits > 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3211 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3212 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3213 *p++ = digits[ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3214 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3215 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3216 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3217 free (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3218 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3219 else if (dp->conversion == 'e' || dp->conversion == 'E') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3220 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3221 int exponent; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3222 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3223 if (arg == 0.0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3224 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3225 exponent = 0; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3226 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3227 if ((flags & FLAG_ALT) || precision > 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3228 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3229 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3230 for (; precision > 0; precision--) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3231 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3232 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3233 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3234 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3235 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3236 /* arg > 0.0. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3237 int adjusted; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3238 char *digits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3239 size_t ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3240 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3241 exponent = floorlog10 (arg); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3242 adjusted = 0; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3243 for (;;) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3244 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3245 digits = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3246 scale10_round_decimal_double (arg, |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3247 (int)precision - exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3248 if (digits == NULL) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3249 goto out_of_memory; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3250 ndigits = strlen (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3251 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3252 if (ndigits == precision + 1) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3253 break; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3254 if (ndigits < precision |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3255 || ndigits > precision + 2) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3256 /* The exponent was not guessed |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3257 precisely enough. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3258 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3259 if (adjusted) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3260 /* None of two values of exponent is |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3261 the right one. Prevent an endless |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3262 loop. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3263 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3264 free (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3265 if (ndigits == precision) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3266 exponent -= 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3267 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3268 exponent += 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3269 adjusted = 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3270 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3271 /* Here ndigits = precision+1. */ |
9938
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3272 if (is_borderline (digits, precision)) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3273 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3274 /* Maybe the exponent guess was too high |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3275 and a smaller exponent can be reached |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3276 by turning a 10...0 into 9...9x. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3277 char *digits2 = |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3278 scale10_round_decimal_double (arg, |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3279 (int)precision - exponent + 1); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3280 if (digits2 == NULL) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3281 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3282 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3283 goto out_of_memory; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3284 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3285 if (strlen (digits2) == precision + 1) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3286 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3287 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3288 digits = digits2; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3289 exponent -= 1; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3290 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3291 else |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3292 free (digits2); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3293 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3294 /* Here ndigits = precision+1. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3295 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3296 *p++ = digits[--ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3297 if ((flags & FLAG_ALT) || precision > 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3298 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3299 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3300 while (ndigits > 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3301 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3302 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3303 *p++ = digits[ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3304 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3305 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3306 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3307 free (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3308 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3309 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3310 *p++ = dp->conversion; /* 'e' or 'E' */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3311 # if WIDE_CHAR_VERSION |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3312 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3313 static const wchar_t decimal_format[] = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3314 /* Produce the same number of exponent digits |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3315 as the native printf implementation. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3316 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3317 { '%', '+', '.', '3', 'd', '\0' }; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3318 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3319 { '%', '+', '.', '2', 'd', '\0' }; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3320 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3321 SNPRINTF (p, 6 + 1, decimal_format, exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3322 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3323 while (*p != '\0') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3324 p++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3325 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3326 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3327 static const char decimal_format[] = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3328 /* Produce the same number of exponent digits |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3329 as the native printf implementation. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3330 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3331 "%+.3d"; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3332 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3333 "%+.2d"; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3334 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3335 if (sizeof (DCHAR_T) == 1) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3336 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3337 sprintf ((char *) p, decimal_format, exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3338 while (*p != '\0') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3339 p++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3340 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3341 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3342 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3343 char expbuf[6 + 1]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3344 const char *ep; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3345 sprintf (expbuf, decimal_format, exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3346 for (ep = expbuf; (*p = *ep) != '\0'; ep++) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3347 p++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3348 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3349 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3350 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3351 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3352 else if (dp->conversion == 'g' || dp->conversion == 'G') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3353 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3354 if (precision == 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3355 precision = 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3356 /* precision >= 1. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3357 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3358 if (arg == 0.0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3359 /* The exponent is 0, >= -4, < precision. |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3360 Use fixed-point notation. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3361 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3362 size_t ndigits = precision; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3363 /* Number of trailing zeroes that have to be |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3364 dropped. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3365 size_t nzeroes = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3366 (flags & FLAG_ALT ? 0 : precision - 1); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3367 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3368 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3369 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3370 if ((flags & FLAG_ALT) || ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3371 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3372 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3373 while (ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3374 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3375 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3376 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3377 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3378 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3379 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3380 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3381 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3382 /* arg > 0.0. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3383 int exponent; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3384 int adjusted; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3385 char *digits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3386 size_t ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3387 size_t nzeroes; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3388 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3389 exponent = floorlog10 (arg); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3390 adjusted = 0; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3391 for (;;) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3392 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3393 digits = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3394 scale10_round_decimal_double (arg, |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3395 (int)(precision - 1) - exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3396 if (digits == NULL) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3397 goto out_of_memory; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3398 ndigits = strlen (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3399 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3400 if (ndigits == precision) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3401 break; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3402 if (ndigits < precision - 1 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3403 || ndigits > precision + 1) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3404 /* The exponent was not guessed |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3405 precisely enough. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3406 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3407 if (adjusted) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3408 /* None of two values of exponent is |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3409 the right one. Prevent an endless |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3410 loop. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3411 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3412 free (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3413 if (ndigits < precision) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3414 exponent -= 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3415 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3416 exponent += 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3417 adjusted = 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3418 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3419 /* Here ndigits = precision. */ |
9938
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3420 if (is_borderline (digits, precision - 1)) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3421 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3422 /* Maybe the exponent guess was too high |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3423 and a smaller exponent can be reached |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3424 by turning a 10...0 into 9...9x. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3425 char *digits2 = |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3426 scale10_round_decimal_double (arg, |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3427 (int)(precision - 1) - exponent + 1); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3428 if (digits2 == NULL) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3429 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3430 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3431 goto out_of_memory; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3432 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3433 if (strlen (digits2) == precision) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3434 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3435 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3436 digits = digits2; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3437 exponent -= 1; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3438 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3439 else |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3440 free (digits2); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3441 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3442 /* Here ndigits = precision. */ |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3443 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3444 /* Determine the number of trailing zeroes |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3445 that have to be dropped. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3446 nzeroes = 0; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3447 if ((flags & FLAG_ALT) == 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3448 while (nzeroes < ndigits |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3449 && digits[nzeroes] == '0') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3450 nzeroes++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3451 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3452 /* The exponent is now determined. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3453 if (exponent >= -4 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3454 && exponent < (long)precision) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3455 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3456 /* Fixed-point notation: |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3457 max(exponent,0)+1 digits, then the |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3458 decimal point, then the remaining |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3459 digits without trailing zeroes. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3460 if (exponent >= 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3461 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3462 size_t count = exponent + 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3463 /* Note: count <= precision = ndigits. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3464 for (; count > 0; count--) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3465 *p++ = digits[--ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3466 if ((flags & FLAG_ALT) || ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3467 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3468 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3469 while (ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3470 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3471 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3472 *p++ = digits[ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3473 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3474 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3475 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3476 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3477 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3478 size_t count = -exponent - 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3479 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3480 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3481 for (; count > 0; count--) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3482 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3483 while (ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3484 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3485 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3486 *p++ = digits[ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3487 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3488 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3489 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3490 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3491 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3492 /* Exponential notation. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3493 *p++ = digits[--ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3494 if ((flags & FLAG_ALT) || ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3495 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3496 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3497 while (ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3498 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3499 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3500 *p++ = digits[ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3501 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3502 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3503 *p++ = dp->conversion - 'G' + 'E'; /* 'e' or 'E' */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3504 # if WIDE_CHAR_VERSION |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3505 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3506 static const wchar_t decimal_format[] = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3507 /* Produce the same number of exponent digits |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3508 as the native printf implementation. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3509 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3510 { '%', '+', '.', '3', 'd', '\0' }; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3511 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3512 { '%', '+', '.', '2', 'd', '\0' }; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3513 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3514 SNPRINTF (p, 6 + 1, decimal_format, exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3515 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3516 while (*p != '\0') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3517 p++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3518 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3519 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3520 static const char decimal_format[] = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3521 /* Produce the same number of exponent digits |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3522 as the native printf implementation. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3523 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3524 "%+.3d"; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3525 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3526 "%+.2d"; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3527 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3528 if (sizeof (DCHAR_T) == 1) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3529 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3530 sprintf ((char *) p, decimal_format, exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3531 while (*p != '\0') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3532 p++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3533 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3534 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3535 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3536 char expbuf[6 + 1]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3537 const char *ep; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3538 sprintf (expbuf, decimal_format, exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3539 for (ep = expbuf; (*p = *ep) != '\0'; ep++) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3540 p++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3541 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3542 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3543 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3544 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3545 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3546 free (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3547 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3548 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3549 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3550 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3551 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3552 /* arg is finite. */ |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3553 if (!(arg == 0.0)) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3554 abort (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3555 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3556 pad_ptr = p; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3557 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3558 if (dp->conversion == 'f' || dp->conversion == 'F') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3559 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3560 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3561 if ((flags & FLAG_ALT) || precision > 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3562 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3563 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3564 for (; precision > 0; precision--) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3565 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3566 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3567 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3568 else if (dp->conversion == 'e' || dp->conversion == 'E') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3569 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3570 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3571 if ((flags & FLAG_ALT) || precision > 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3572 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3573 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3574 for (; precision > 0; precision--) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3575 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3576 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3577 *p++ = dp->conversion; /* 'e' or 'E' */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3578 *p++ = '+'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3579 /* Produce the same number of exponent digits as |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3580 the native printf implementation. */ |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3581 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3582 *p++ = '0'; |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3583 # endif |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3584 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3585 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3586 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3587 else if (dp->conversion == 'g' || dp->conversion == 'G') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3588 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3589 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3590 if (flags & FLAG_ALT) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3591 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3592 size_t ndigits = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3593 (precision > 0 ? precision - 1 : 0); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3594 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3595 for (; ndigits > 0; --ndigits) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3596 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3597 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3598 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3599 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3600 abort (); |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3601 # endif |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3602 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3603 } |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3604 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3605 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3606 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3607 /* The generated string now extends from tmp to p, with the |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3608 zero padding insertion point being at pad_ptr. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3609 if (has_width && p - tmp < width) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3610 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3611 size_t pad = width - (p - tmp); |
8961 | 3612 DCHAR_T *end = p + pad; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3613 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3614 if (flags & FLAG_LEFT) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3615 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3616 /* Pad with spaces on the right. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3617 for (; pad > 0; pad--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3618 *p++ = ' '; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3619 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3620 else if ((flags & FLAG_ZERO) && pad_ptr != NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3621 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3622 /* Pad with zeroes. */ |
8961 | 3623 DCHAR_T *q = end; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3624 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3625 while (p > pad_ptr) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3626 *--q = *--p; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3627 for (; pad > 0; pad--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3628 *p++ = '0'; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3629 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3630 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3631 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3632 /* Pad with spaces on the left. */ |
8961 | 3633 DCHAR_T *q = end; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3634 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3635 while (p > tmp) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3636 *--q = *--p; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3637 for (; pad > 0; pad--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3638 *p++ = ' '; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3639 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3640 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3641 p = end; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3642 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3643 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3644 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3645 size_t count = p - tmp; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3646 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3647 if (count >= tmp_length) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3648 /* tmp_length was incorrectly calculated - fix the |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3649 code above! */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3650 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3651 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3652 /* Make room for the result. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3653 if (count >= allocated - length) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3654 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3655 size_t n = xsum (length, count); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3656 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3657 ENSURE_ALLOCATION (n); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3658 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3659 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3660 /* Append the result. */ |
8961 | 3661 memcpy (result + length, tmp, count * sizeof (DCHAR_T)); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3662 if (tmp != tmpbuf) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3663 free (tmp); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3664 length += count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3665 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3666 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3667 #endif |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3668 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3669 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3670 arg_type type = a.arg[dp->arg_index].type; |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3671 int flags = dp->flags; |
9674
b69f1141e94f
Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents:
9672
diff
changeset
|
3672 #if !USE_SNPRINTF || !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_LEFTADJUST || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3673 int has_width; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3674 size_t width; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3675 #endif |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3676 #if !USE_SNPRINTF || NEED_PRINTF_UNBOUNDED_PRECISION |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3677 int has_precision; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3678 size_t precision; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3679 #endif |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3680 #if NEED_PRINTF_UNBOUNDED_PRECISION |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3681 int prec_ourselves; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3682 #else |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3683 # define prec_ourselves 0 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3684 #endif |
9674
b69f1141e94f
Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents:
9672
diff
changeset
|
3685 #if NEED_PRINTF_FLAG_LEFTADJUST |
b69f1141e94f
Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents:
9672
diff
changeset
|
3686 # define pad_ourselves 1 |
b69f1141e94f
Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents:
9672
diff
changeset
|
3687 #elif !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3688 int pad_ourselves; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3689 #else |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3690 # define pad_ourselves 0 |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3691 #endif |
8961 | 3692 TCHAR_T *fbp; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3693 unsigned int prefix_count; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3694 int prefixes[2]; |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
3695 #if !USE_SNPRINTF |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3696 size_t tmp_length; |
8962 | 3697 TCHAR_T tmpbuf[700]; |
3698 TCHAR_T *tmp; | |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3699 #endif |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3700 |
9674
b69f1141e94f
Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents:
9672
diff
changeset
|
3701 #if !USE_SNPRINTF || !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_LEFTADJUST || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3702 has_width = 0; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3703 width = 0; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3704 if (dp->width_start != dp->width_end) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3705 { |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3706 if (dp->width_arg_index != ARG_NONE) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3707 { |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3708 int arg; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3709 |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3710 if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3711 abort (); |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3712 arg = a.arg[dp->width_arg_index].a.a_int; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3713 if (arg < 0) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3714 { |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3715 /* "A negative field width is taken as a '-' flag |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3716 followed by a positive field width." */ |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3717 flags |= FLAG_LEFT; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3718 width = (unsigned int) (-arg); |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3719 } |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3720 else |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3721 width = arg; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3722 } |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3723 else |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3724 { |
8961 | 3725 const FCHAR_T *digitp = dp->width_start; |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3726 |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3727 do |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3728 width = xsum (xtimes (width, 10), *digitp++ - '0'); |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3729 while (digitp != dp->width_end); |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3730 } |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3731 has_width = 1; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3732 } |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3733 #endif |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3734 |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3735 #if !USE_SNPRINTF || NEED_PRINTF_UNBOUNDED_PRECISION |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3736 has_precision = 0; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3737 precision = 6; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3738 if (dp->precision_start != dp->precision_end) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3739 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3740 if (dp->precision_arg_index != ARG_NONE) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3741 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3742 int arg; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3743 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3744 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3745 abort (); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3746 arg = a.arg[dp->precision_arg_index].a.a_int; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3747 /* "A negative precision is taken as if the precision |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3748 were omitted." */ |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3749 if (arg >= 0) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3750 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3751 precision = arg; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3752 has_precision = 1; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3753 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3754 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3755 else |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3756 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3757 const FCHAR_T *digitp = dp->precision_start + 1; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3758 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3759 precision = 0; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3760 while (digitp != dp->precision_end) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3761 precision = xsum (xtimes (precision, 10), *digitp++ - '0'); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3762 has_precision = 1; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3763 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3764 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3765 #endif |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
3766 |
9834 | 3767 /* Decide whether to handle the precision ourselves. */ |
3768 #if NEED_PRINTF_UNBOUNDED_PRECISION | |
3769 switch (dp->conversion) | |
3770 { | |
3771 case 'd': case 'i': case 'u': | |
3772 case 'o': | |
3773 case 'x': case 'X': case 'p': | |
3774 prec_ourselves = has_precision && (precision > 0); | |
3775 break; | |
3776 default: | |
3777 prec_ourselves = 0; | |
3778 break; | |
3779 } | |
3780 #endif | |
3781 | |
3782 /* Decide whether to perform the padding ourselves. */ | |
3783 #if !NEED_PRINTF_FLAG_LEFTADJUST && (!DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION) | |
3784 switch (dp->conversion) | |
3785 { | |
3786 # if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO | |
3787 /* If we need conversion from TCHAR_T[] to DCHAR_T[], we need | |
3788 to perform the padding after this conversion. Functions | |
3789 with unistdio extensions perform the padding based on | |
3790 character count rather than element count. */ | |
3791 case 'c': case 's': | |
3792 # endif | |
3793 # if NEED_PRINTF_FLAG_ZERO | |
3794 case 'f': case 'F': case 'e': case 'E': case 'g': case 'G': | |
3795 case 'a': case 'A': | |
3796 # endif | |
3797 pad_ourselves = 1; | |
3798 break; | |
3799 default: | |
3800 pad_ourselves = prec_ourselves; | |
3801 break; | |
3802 } | |
3803 #endif | |
3804 | |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3805 #if !USE_SNPRINTF |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3806 /* Allocate a temporary buffer of sufficient size for calling |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3807 sprintf. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3808 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3809 switch (dp->conversion) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3810 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3811 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3812 case 'd': case 'i': case 'u': |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
3813 # if HAVE_LONG_LONG_INT |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3814 if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3815 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3816 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3817 * 0.30103 /* binary -> decimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3818 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3819 + 1; /* turn floor into ceil */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3820 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3821 # endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3822 if (type == TYPE_LONGINT || type == TYPE_ULONGINT) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3823 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3824 (unsigned int) (sizeof (unsigned long) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3825 * 0.30103 /* binary -> decimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3826 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3827 + 1; /* turn floor into ceil */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3828 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3829 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3830 (unsigned int) (sizeof (unsigned int) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3831 * 0.30103 /* binary -> decimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3832 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3833 + 1; /* turn floor into ceil */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3834 if (tmp_length < precision) |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3835 tmp_length = precision; |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3836 /* Multiply by 2, as an estimate for FLAG_GROUP. */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3837 tmp_length = xsum (tmp_length, tmp_length); |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3838 /* Add 1, to account for a leading sign. */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3839 tmp_length = xsum (tmp_length, 1); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3840 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3841 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3842 case 'o': |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
3843 # if HAVE_LONG_LONG_INT |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3844 if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3845 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3846 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3847 * 0.333334 /* binary -> octal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3848 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3849 + 1; /* turn floor into ceil */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3850 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3851 # endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3852 if (type == TYPE_LONGINT || type == TYPE_ULONGINT) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3853 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3854 (unsigned int) (sizeof (unsigned long) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3855 * 0.333334 /* binary -> octal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3856 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3857 + 1; /* turn floor into ceil */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3858 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3859 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3860 (unsigned int) (sizeof (unsigned int) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3861 * 0.333334 /* binary -> octal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3862 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3863 + 1; /* turn floor into ceil */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3864 if (tmp_length < precision) |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3865 tmp_length = precision; |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3866 /* Add 1, to account for a leading sign. */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3867 tmp_length = xsum (tmp_length, 1); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3868 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3869 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3870 case 'x': case 'X': |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
3871 # if HAVE_LONG_LONG_INT |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3872 if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3873 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3874 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3875 * 0.25 /* binary -> hexadecimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3876 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3877 + 1; /* turn floor into ceil */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3878 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3879 # endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3880 if (type == TYPE_LONGINT || type == TYPE_ULONGINT) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3881 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3882 (unsigned int) (sizeof (unsigned long) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3883 * 0.25 /* binary -> hexadecimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3884 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3885 + 1; /* turn floor into ceil */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3886 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3887 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3888 (unsigned int) (sizeof (unsigned int) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3889 * 0.25 /* binary -> hexadecimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3890 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3891 + 1; /* turn floor into ceil */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3892 if (tmp_length < precision) |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3893 tmp_length = precision; |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3894 /* Add 2, to account for a leading sign or alternate form. */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3895 tmp_length = xsum (tmp_length, 2); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3896 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3897 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3898 case 'f': case 'F': |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3899 if (type == TYPE_LONGDOUBLE) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3900 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3901 (unsigned int) (LDBL_MAX_EXP |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3902 * 0.30103 /* binary -> decimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3903 * 2 /* estimate for FLAG_GROUP */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3904 ) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3905 + 1 /* turn floor into ceil */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3906 + 10; /* sign, decimal point etc. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3907 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3908 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3909 (unsigned int) (DBL_MAX_EXP |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3910 * 0.30103 /* binary -> decimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3911 * 2 /* estimate for FLAG_GROUP */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3912 ) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3913 + 1 /* turn floor into ceil */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3914 + 10; /* sign, decimal point etc. */ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3915 tmp_length = xsum (tmp_length, precision); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3916 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3917 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3918 case 'e': case 'E': case 'g': case 'G': |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3919 tmp_length = |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3920 12; /* sign, decimal point, exponent etc. */ |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3921 tmp_length = xsum (tmp_length, precision); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3922 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3923 |
8254
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3924 case 'a': case 'A': |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3925 if (type == TYPE_LONGDOUBLE) |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3926 tmp_length = |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3927 (unsigned int) (LDBL_DIG |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3928 * 0.831 /* decimal -> hexadecimal */ |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3929 ) |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3930 + 1; /* turn floor into ceil */ |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3931 else |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3932 tmp_length = |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3933 (unsigned int) (DBL_DIG |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3934 * 0.831 /* decimal -> hexadecimal */ |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3935 ) |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3936 + 1; /* turn floor into ceil */ |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3937 if (tmp_length < precision) |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3938 tmp_length = precision; |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3939 /* Account for sign, decimal point etc. */ |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3940 tmp_length = xsum (tmp_length, 12); |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3941 break; |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3942 |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3943 case 'c': |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
3944 # if HAVE_WINT_T && !WIDE_CHAR_VERSION |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3945 if (type == TYPE_WIDE_CHAR) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3946 tmp_length = MB_CUR_MAX; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3947 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3948 # endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3949 tmp_length = 1; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3950 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3951 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3952 case 's': |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
3953 # if HAVE_WCHAR_T |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3954 if (type == TYPE_WIDE_STRING) |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3955 { |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3956 tmp_length = |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3957 local_wcslen (a.arg[dp->arg_index].a.a_wide_string); |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3958 |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3959 # if !WIDE_CHAR_VERSION |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3960 tmp_length = xtimes (tmp_length, MB_CUR_MAX); |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
3961 # endif |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3962 } |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3963 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3964 # endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3965 tmp_length = strlen (a.arg[dp->arg_index].a.a_string); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3966 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3967 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3968 case 'p': |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3969 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3970 (unsigned int) (sizeof (void *) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3971 * 0.25 /* binary -> hexadecimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3972 ) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3973 + 1 /* turn floor into ceil */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3974 + 2; /* account for leading 0x */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3975 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3976 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3977 default: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3978 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3979 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3980 |
9834 | 3981 if (!pad_ourselves) |
3982 { | |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3983 # if ENABLE_UNISTDIO |
9834 | 3984 /* Padding considers the number of characters, therefore |
3985 the number of elements after padding may be | |
3986 > max (tmp_length, width) | |
3987 but is certainly | |
3988 <= tmp_length + width. */ | |
3989 tmp_length = xsum (tmp_length, width); | |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3990 # else |
9834 | 3991 /* Padding considers the number of elements, |
3992 says POSIX. */ | |
3993 if (tmp_length < width) | |
3994 tmp_length = width; | |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3995 # endif |
9834 | 3996 } |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3997 |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3998 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3999 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4000 |
8962 | 4001 if (tmp_length <= sizeof (tmpbuf) / sizeof (TCHAR_T)) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4002 tmp = tmpbuf; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4003 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4004 { |
8962 | 4005 size_t tmp_memsize = xtimes (tmp_length, sizeof (TCHAR_T)); |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4006 |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4007 if (size_overflow_p (tmp_memsize)) |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4008 /* Overflow, would lead to out of memory. */ |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4009 goto out_of_memory; |
8962 | 4010 tmp = (TCHAR_T *) malloc (tmp_memsize); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4011 if (tmp == NULL) |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4012 /* Out of memory. */ |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4013 goto out_of_memory; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4014 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4015 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4016 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4017 /* Construct the format string for calling snprintf or |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4018 sprintf. */ |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4019 fbp = buf; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4020 *fbp++ = '%'; |
8803
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
4021 #if NEED_PRINTF_FLAG_GROUPING |
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
4022 /* The underlying implementation doesn't support the ' flag. |
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
4023 Produce no grouping characters in this case; this is |
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
4024 acceptable because the grouping is locale dependent. */ |
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
4025 #else |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4026 if (flags & FLAG_GROUP) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4027 *fbp++ = '\''; |
8803
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
4028 #endif |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4029 if (flags & FLAG_LEFT) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4030 *fbp++ = '-'; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4031 if (flags & FLAG_SHOWSIGN) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4032 *fbp++ = '+'; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4033 if (flags & FLAG_SPACE) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4034 *fbp++ = ' '; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4035 if (flags & FLAG_ALT) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4036 *fbp++ = '#'; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4037 if (!pad_ourselves) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4038 { |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4039 if (flags & FLAG_ZERO) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4040 *fbp++ = '0'; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4041 if (dp->width_start != dp->width_end) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4042 { |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4043 size_t n = dp->width_end - dp->width_start; |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4044 /* The width specification is known to consist only |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4045 of standard ASCII characters. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4046 if (sizeof (FCHAR_T) == sizeof (TCHAR_T)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4047 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4048 memcpy (fbp, dp->width_start, n * sizeof (TCHAR_T)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4049 fbp += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4050 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4051 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4052 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4053 const FCHAR_T *mp = dp->width_start; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4054 do |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4055 *fbp++ = (unsigned char) *mp++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4056 while (--n > 0); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4057 } |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4058 } |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4059 } |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4060 if (!prec_ourselves) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4061 { |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4062 if (dp->precision_start != dp->precision_end) |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4063 { |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4064 size_t n = dp->precision_end - dp->precision_start; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4065 /* The precision specification is known to consist only |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4066 of standard ASCII characters. */ |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4067 if (sizeof (FCHAR_T) == sizeof (TCHAR_T)) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4068 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4069 memcpy (fbp, dp->precision_start, n * sizeof (TCHAR_T)); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4070 fbp += n; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4071 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4072 else |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4073 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4074 const FCHAR_T *mp = dp->precision_start; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4075 do |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4076 *fbp++ = (unsigned char) *mp++; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4077 while (--n > 0); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4078 } |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4079 } |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4080 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4081 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4082 switch (type) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4083 { |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4084 #if HAVE_LONG_LONG_INT |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4085 case TYPE_LONGLONGINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4086 case TYPE_ULONGLONGINT: |
8830
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4087 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4088 *fbp++ = 'I'; |
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4089 *fbp++ = '6'; |
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4090 *fbp++ = '4'; |
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4091 break; |
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4092 # else |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4093 *fbp++ = 'l'; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4094 /*FALLTHROUGH*/ |
8830
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4095 # endif |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4096 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4097 case TYPE_LONGINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4098 case TYPE_ULONGINT: |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4099 #if HAVE_WINT_T |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4100 case TYPE_WIDE_CHAR: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4101 #endif |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4102 #if HAVE_WCHAR_T |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4103 case TYPE_WIDE_STRING: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4104 #endif |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4105 *fbp++ = 'l'; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4106 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4107 case TYPE_LONGDOUBLE: |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4108 *fbp++ = 'L'; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4109 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4110 default: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4111 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4112 } |
8664
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4113 #if NEED_PRINTF_DIRECTIVE_F |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4114 if (dp->conversion == 'F') |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4115 *fbp = 'f'; |
8664
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4116 else |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4117 #endif |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4118 *fbp = dp->conversion; |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4119 #if USE_SNPRINTF |
9676
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4120 # if !(__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)) |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4121 fbp[1] = '%'; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4122 fbp[2] = 'n'; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4123 fbp[3] = '\0'; |
9361
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4124 # else |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4125 /* On glibc2 systems from glibc >= 2.3 - probably also older |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4126 ones - we know that snprintf's returns value conforms to |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4127 ISO C 99: the gl_SNPRINTF_DIRECTIVE_N test passes. |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4128 Therefore we can avoid using %n in this situation. |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4129 On glibc2 systems from 2004-10-18 or newer, the use of %n |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4130 in format strings in writable memory may crash the program |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4131 (if compiled with _FORTIFY_SOURCE=2), so we should avoid it |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4132 in this situation. */ |
9676
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4133 /* On native Win32 systems (such as mingw), we can avoid using |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4134 %n because: |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4135 - Although the gl_SNPRINTF_TRUNCATION_C99 test fails, |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4136 snprintf does not write more than the specified number |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4137 of bytes. (snprintf (buf, 3, "%d %d", 4567, 89) writes |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4138 '4', '5', '6' into buf, not '4', '5', '\0'.) |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4139 - Although the gl_SNPRINTF_RETVAL_C99 test fails, snprintf |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4140 allows us to recognize the case of an insufficient |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4141 buffer size: it returns -1 in this case. |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4142 On native Win32 systems (such as mingw) where the OS is |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4143 Windows Vista, the use of %n in format strings by default |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4144 crashes the program. See |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4145 <http://gcc.gnu.org/ml/gcc/2007-06/msg00122.html> and |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4146 <http://msdn2.microsoft.com/en-us/library/ms175782(VS.80).aspx> |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4147 So we should avoid %n in this situation. */ |
9361
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4148 fbp[1] = '\0'; |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4149 # endif |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4150 #else |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4151 fbp[1] = '\0'; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4152 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4153 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4154 /* Construct the arguments for calling snprintf or sprintf. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4155 prefix_count = 0; |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4156 if (!pad_ourselves && dp->width_arg_index != ARG_NONE) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4157 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4158 if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4159 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4160 prefixes[prefix_count++] = a.arg[dp->width_arg_index].a.a_int; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4161 } |
4886
e4317f1f2e2c
Use size_t instead of ssize_t.
Bruno Haible <bruno@clisp.org>
parents:
4879
diff
changeset
|
4162 if (dp->precision_arg_index != ARG_NONE) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4163 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4164 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4165 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4166 prefixes[prefix_count++] = a.arg[dp->precision_arg_index].a.a_int; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4167 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4168 |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4169 #if USE_SNPRINTF |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4170 /* The SNPRINTF result is appended after result[0..length]. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4171 The latter is an array of DCHAR_T; SNPRINTF appends an |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4172 array of TCHAR_T to it. This is possible because |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4173 sizeof (TCHAR_T) divides sizeof (DCHAR_T) and |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4174 alignof (TCHAR_T) <= alignof (DCHAR_T). */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4175 # define TCHARS_PER_DCHAR (sizeof (DCHAR_T) / sizeof (TCHAR_T)) |
9462
7bbddc0fae4a
Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents:
9461
diff
changeset
|
4176 /* Ensure that maxlen below will be >= 2. Needed on BeOS, |
7bbddc0fae4a
Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents:
9461
diff
changeset
|
4177 where an snprintf() with maxlen==1 acts like sprintf(). */ |
7bbddc0fae4a
Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents:
9461
diff
changeset
|
4178 ENSURE_ALLOCATION (xsum (length, |
7bbddc0fae4a
Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents:
9461
diff
changeset
|
4179 (2 + TCHARS_PER_DCHAR - 1) |
7bbddc0fae4a
Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents:
9461
diff
changeset
|
4180 / TCHARS_PER_DCHAR)); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4181 /* Prepare checking whether snprintf returns the count |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4182 via %n. */ |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4183 *(TCHAR_T *) (result + length) = '\0'; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4184 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4185 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4186 for (;;) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4187 { |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4188 int count = -1; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4189 |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4190 #if USE_SNPRINTF |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4191 int retcount = 0; |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4192 size_t maxlen = allocated - length; |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4193 /* SNPRINTF can fail if its second argument is |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4194 > INT_MAX. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4195 if (maxlen > INT_MAX / TCHARS_PER_DCHAR) |
9371
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4196 maxlen = INT_MAX / TCHARS_PER_DCHAR; |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4197 maxlen = maxlen * TCHARS_PER_DCHAR; |
4704 | 4198 # define SNPRINTF_BUF(arg) \ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4199 switch (prefix_count) \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4200 { \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4201 case 0: \ |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4202 retcount = SNPRINTF ((TCHAR_T *) (result + length), \ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4203 maxlen, buf, \ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4204 arg, &count); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4205 break; \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4206 case 1: \ |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4207 retcount = SNPRINTF ((TCHAR_T *) (result + length), \ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4208 maxlen, buf, \ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4209 prefixes[0], arg, &count); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4210 break; \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4211 case 2: \ |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4212 retcount = SNPRINTF ((TCHAR_T *) (result + length), \ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4213 maxlen, buf, \ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4214 prefixes[0], prefixes[1], arg, \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4215 &count); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4216 break; \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4217 default: \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4218 abort (); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4219 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4220 #else |
4704 | 4221 # define SNPRINTF_BUF(arg) \ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4222 switch (prefix_count) \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4223 { \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4224 case 0: \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4225 count = sprintf (tmp, buf, arg); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4226 break; \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4227 case 1: \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4228 count = sprintf (tmp, buf, prefixes[0], arg); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4229 break; \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4230 case 2: \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4231 count = sprintf (tmp, buf, prefixes[0], prefixes[1],\ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4232 arg); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4233 break; \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4234 default: \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4235 abort (); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4236 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4237 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4238 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4239 switch (type) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4240 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4241 case TYPE_SCHAR: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4242 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4243 int arg = a.arg[dp->arg_index].a.a_schar; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4244 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4245 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4246 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4247 case TYPE_UCHAR: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4248 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4249 unsigned int arg = a.arg[dp->arg_index].a.a_uchar; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4250 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4251 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4252 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4253 case TYPE_SHORT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4254 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4255 int arg = a.arg[dp->arg_index].a.a_short; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4256 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4257 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4258 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4259 case TYPE_USHORT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4260 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4261 unsigned int arg = a.arg[dp->arg_index].a.a_ushort; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4262 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4263 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4264 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4265 case TYPE_INT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4266 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4267 int arg = a.arg[dp->arg_index].a.a_int; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4268 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4269 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4270 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4271 case TYPE_UINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4272 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4273 unsigned int arg = a.arg[dp->arg_index].a.a_uint; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4274 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4275 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4276 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4277 case TYPE_LONGINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4278 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4279 long int arg = a.arg[dp->arg_index].a.a_longint; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4280 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4281 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4282 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4283 case TYPE_ULONGINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4284 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4285 unsigned long int arg = a.arg[dp->arg_index].a.a_ulongint; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4286 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4287 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4288 break; |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4289 #if HAVE_LONG_LONG_INT |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4290 case TYPE_LONGLONGINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4291 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4292 long long int arg = a.arg[dp->arg_index].a.a_longlongint; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4293 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4294 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4295 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4296 case TYPE_ULONGLONGINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4297 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4298 unsigned long long int arg = a.arg[dp->arg_index].a.a_ulonglongint; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4299 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4300 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4301 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4302 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4303 case TYPE_DOUBLE: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4304 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4305 double arg = a.arg[dp->arg_index].a.a_double; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4306 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4307 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4308 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4309 case TYPE_LONGDOUBLE: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4310 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4311 long double arg = a.arg[dp->arg_index].a.a_longdouble; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4312 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4313 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4314 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4315 case TYPE_CHAR: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4316 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4317 int arg = a.arg[dp->arg_index].a.a_char; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4318 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4319 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4320 break; |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4321 #if HAVE_WINT_T |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4322 case TYPE_WIDE_CHAR: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4323 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4324 wint_t arg = a.arg[dp->arg_index].a.a_wide_char; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4325 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4326 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4327 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4328 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4329 case TYPE_STRING: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4330 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4331 const char *arg = a.arg[dp->arg_index].a.a_string; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4332 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4333 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4334 break; |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4335 #if HAVE_WCHAR_T |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4336 case TYPE_WIDE_STRING: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4337 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4338 const wchar_t *arg = a.arg[dp->arg_index].a.a_wide_string; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4339 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4340 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4341 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4342 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4343 case TYPE_POINTER: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4344 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4345 void *arg = a.arg[dp->arg_index].a.a_pointer; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4346 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4347 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4348 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4349 default: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4350 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4351 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4352 |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4353 #if USE_SNPRINTF |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4354 /* Portability: Not all implementations of snprintf() |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4355 are ISO C 99 compliant. Determine the number of |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4356 bytes that snprintf() has produced or would have |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4357 produced. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4358 if (count >= 0) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4359 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4360 /* Verify that snprintf() has NUL-terminated its |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4361 result. */ |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4362 if (count < maxlen |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4363 && ((TCHAR_T *) (result + length)) [count] != '\0') |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4364 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4365 /* Portability hack. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4366 if (retcount > count) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4367 count = retcount; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4368 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4369 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4370 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4371 /* snprintf() doesn't understand the '%n' |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4372 directive. */ |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4373 if (fbp[1] != '\0') |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4374 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4375 /* Don't use the '%n' directive; instead, look |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4376 at the snprintf() return value. */ |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4377 fbp[1] = '\0'; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4378 continue; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4379 } |
4801
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4380 else |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4381 { |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4382 /* Look at the snprintf() return value. */ |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4383 if (retcount < 0) |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4384 { |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4385 /* HP-UX 10.20 snprintf() is doubly deficient: |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4386 It doesn't understand the '%n' directive, |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4387 *and* it returns -1 (rather than the length |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4388 that would have been required) when the |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4389 buffer is too small. */ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4390 size_t bigger_need = |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4391 xsum (xtimes (allocated, 2), 12); |
4801
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4392 ENSURE_ALLOCATION (bigger_need); |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4393 continue; |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4394 } |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4395 else |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4396 count = retcount; |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4397 } |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4398 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4399 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4400 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4401 /* Attempt to handle failure. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4402 if (count < 0) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4403 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4404 if (!(result == resultbuf || result == NULL)) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4405 free (result); |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4406 if (buf_malloced != NULL) |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4407 free (buf_malloced); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4408 CLEANUP (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4409 errno = EINVAL; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4410 return NULL; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4411 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4412 |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4413 #if USE_SNPRINTF |
9439
9d292d1d891c
Fix detection of overflow: don't assume that snprintf is C99 compliant.
Bruno Haible <bruno@clisp.org>
parents:
9438
diff
changeset
|
4414 /* Handle overflow of the allocated buffer. |
9d292d1d891c
Fix detection of overflow: don't assume that snprintf is C99 compliant.
Bruno Haible <bruno@clisp.org>
parents:
9438
diff
changeset
|
4415 If such an overflow occurs, a C99 compliant snprintf() |
9d292d1d891c
Fix detection of overflow: don't assume that snprintf is C99 compliant.
Bruno Haible <bruno@clisp.org>
parents:
9438
diff
changeset
|
4416 returns a count >= maxlen. However, a non-compliant |
9d292d1d891c
Fix detection of overflow: don't assume that snprintf is C99 compliant.
Bruno Haible <bruno@clisp.org>
parents:
9438
diff
changeset
|
4417 snprintf() function returns only count = maxlen - 1. To |
9d292d1d891c
Fix detection of overflow: don't assume that snprintf is C99 compliant.
Bruno Haible <bruno@clisp.org>
parents:
9438
diff
changeset
|
4418 cover both cases, test whether count >= maxlen - 1. */ |
9d292d1d891c
Fix detection of overflow: don't assume that snprintf is C99 compliant.
Bruno Haible <bruno@clisp.org>
parents:
9438
diff
changeset
|
4419 if ((unsigned int) count + 1 >= maxlen) |
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
4420 { |
9371
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4421 /* If maxlen already has attained its allowed maximum, |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4422 allocating more memory will not increase maxlen. |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4423 Instead of looping, bail out. */ |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4424 if (maxlen == INT_MAX / TCHARS_PER_DCHAR) |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4425 goto overflow; |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4426 else |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4427 { |
9461
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
4428 /* Need at least (count + 1) * sizeof (TCHAR_T) |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
4429 bytes. (The +1 is for the trailing NUL.) |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
4430 But ask for (count + 2) * sizeof (TCHAR_T) |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
4431 bytes, so that in the next round, we likely get |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
4432 maxlen > (unsigned int) count + 1 |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
4433 and so we don't get here again. |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
4434 And allocate proportionally, to avoid looping |
9371
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4435 eternally if snprintf() reports a too small |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4436 count. */ |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4437 size_t n = |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4438 xmax (xsum (length, |
9461
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
4439 ((unsigned int) count + 2 |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
4440 + TCHARS_PER_DCHAR - 1) |
9371
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4441 / TCHARS_PER_DCHAR), |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4442 xtimes (allocated, 2)); |
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
4443 |
9371
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4444 ENSURE_ALLOCATION (n); |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4445 continue; |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4446 } |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4447 } |
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
4448 #endif |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4449 |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4450 #if NEED_PRINTF_UNBOUNDED_PRECISION |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4451 if (prec_ourselves) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4452 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4453 /* Handle the precision. */ |
9651
cee38e50f29c
vasnprintf.c: Avoid warning about unused label
Jim Meyering <meyering@redhat.com>
parents:
9646
diff
changeset
|
4454 TCHAR_T *prec_ptr = |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4455 # if USE_SNPRINTF |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4456 (TCHAR_T *) (result + length); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4457 # else |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4458 tmp; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4459 # endif |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4460 size_t prefix_count; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4461 size_t move; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4462 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4463 prefix_count = 0; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4464 /* Put the additional zeroes after the sign. */ |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4465 if (count >= 1 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4466 && (*prec_ptr == '-' || *prec_ptr == '+' |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4467 || *prec_ptr == ' ')) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4468 prefix_count = 1; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4469 /* Put the additional zeroes after the 0x prefix if |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4470 (flags & FLAG_ALT) || (dp->conversion == 'p'). */ |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4471 else if (count >= 2 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4472 && prec_ptr[0] == '0' |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4473 && (prec_ptr[1] == 'x' || prec_ptr[1] == 'X')) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4474 prefix_count = 2; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4475 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4476 move = count - prefix_count; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4477 if (precision > move) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4478 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4479 /* Insert zeroes. */ |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4480 size_t insert = precision - move; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4481 TCHAR_T *prec_end; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4482 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4483 # if USE_SNPRINTF |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4484 size_t n = |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4485 xsum (length, |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4486 (count + insert + TCHARS_PER_DCHAR - 1) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4487 / TCHARS_PER_DCHAR); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4488 length += (count + TCHARS_PER_DCHAR - 1) / TCHARS_PER_DCHAR; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4489 ENSURE_ALLOCATION (n); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4490 length -= (count + TCHARS_PER_DCHAR - 1) / TCHARS_PER_DCHAR; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4491 prec_ptr = (TCHAR_T *) (result + length); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4492 # endif |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4493 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4494 prec_end = prec_ptr + count; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4495 prec_ptr += prefix_count; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4496 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4497 while (prec_end > prec_ptr) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4498 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4499 prec_end--; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4500 prec_end[insert] = prec_end[0]; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4501 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4502 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4503 prec_end += insert; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4504 do |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4505 *--prec_end = '0'; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4506 while (prec_end > prec_ptr); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4507 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4508 count += insert; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4509 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4510 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4511 #endif |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4512 |
9834 | 4513 #if !USE_SNPRINTF |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4514 if (count >= tmp_length) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4515 /* tmp_length was incorrectly calculated - fix the |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4516 code above! */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4517 abort (); |
9834 | 4518 #endif |
4519 | |
4520 #if !DCHAR_IS_TCHAR | |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4521 /* Convert from TCHAR_T[] to DCHAR_T[]. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4522 if (dp->conversion == 'c' || dp->conversion == 's') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4523 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4524 /* type = TYPE_CHAR or TYPE_WIDE_CHAR or TYPE_STRING |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4525 TYPE_WIDE_STRING. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4526 The result string is not certainly ASCII. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4527 const TCHAR_T *tmpsrc; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4528 DCHAR_T *tmpdst; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4529 size_t tmpdst_len; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4530 /* This code assumes that TCHAR_T is 'char'. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4531 typedef int TCHAR_T_verify |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4532 [2 * (sizeof (TCHAR_T) == 1) - 1]; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4533 # if USE_SNPRINTF |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4534 tmpsrc = (TCHAR_T *) (result + length); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4535 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4536 tmpsrc = tmp; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4537 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4538 tmpdst = NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4539 tmpdst_len = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4540 if (DCHAR_CONV_FROM_ENCODING (locale_charset (), |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4541 iconveh_question_mark, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4542 tmpsrc, count, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4543 NULL, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4544 &tmpdst, &tmpdst_len) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4545 < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4546 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4547 int saved_errno = errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4548 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4549 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4550 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4551 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4552 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4553 errno = saved_errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4554 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4555 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4556 ENSURE_ALLOCATION (xsum (length, tmpdst_len)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4557 DCHAR_CPY (result + length, tmpdst, tmpdst_len); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4558 free (tmpdst); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4559 count = tmpdst_len; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4560 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4561 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4562 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4563 /* The result string is ASCII. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4564 Simple 1:1 conversion. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4565 # if USE_SNPRINTF |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4566 /* If sizeof (DCHAR_T) == sizeof (TCHAR_T), it's a |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4567 no-op conversion, in-place on the array starting |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4568 at (result + length). */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4569 if (sizeof (DCHAR_T) != sizeof (TCHAR_T)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4570 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4571 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4572 const TCHAR_T *tmpsrc; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4573 DCHAR_T *tmpdst; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4574 size_t n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4575 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4576 # if USE_SNPRINTF |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4577 if (result == resultbuf) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4578 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4579 tmpsrc = (TCHAR_T *) (result + length); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4580 /* ENSURE_ALLOCATION will not move tmpsrc |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4581 (because it's part of resultbuf). */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4582 ENSURE_ALLOCATION (xsum (length, count)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4583 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4584 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4585 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4586 /* ENSURE_ALLOCATION will move the array |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4587 (because it uses realloc(). */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4588 ENSURE_ALLOCATION (xsum (length, count)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4589 tmpsrc = (TCHAR_T *) (result + length); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4590 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4591 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4592 tmpsrc = tmp; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4593 ENSURE_ALLOCATION (xsum (length, count)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4594 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4595 tmpdst = result + length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4596 /* Copy backwards, because of overlapping. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4597 tmpsrc += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4598 tmpdst += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4599 for (n = count; n > 0; n--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4600 *--tmpdst = (unsigned char) *--tmpsrc; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4601 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4602 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4603 #endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4604 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4605 #if DCHAR_IS_TCHAR && !USE_SNPRINTF |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4606 /* Make room for the result. */ |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4607 if (count > allocated - length) |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4608 { |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4609 /* Need at least count elements. But allocate |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4610 proportionally. */ |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4611 size_t n = |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4612 xmax (xsum (length, count), xtimes (allocated, 2)); |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4613 |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4614 ENSURE_ALLOCATION (n); |
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
4615 } |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4616 #endif |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4617 |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4618 /* Here count <= allocated - length. */ |
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
4619 |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4620 /* Perform padding. */ |
9674
b69f1141e94f
Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents:
9672
diff
changeset
|
4621 #if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_LEFTADJUST || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4622 if (pad_ourselves && has_width) |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4623 { |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4624 size_t w; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4625 # if ENABLE_UNISTDIO |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4626 /* Outside POSIX, it's preferrable to compare the width |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4627 against the number of _characters_ of the converted |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4628 value. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4629 w = DCHAR_MBSNLEN (result + length, count); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4630 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4631 /* The width is compared against the number of _bytes_ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4632 of the converted value, says POSIX. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4633 w = count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4634 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4635 if (w < width) |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4636 { |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4637 size_t pad = width - w; |
9834 | 4638 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4639 /* Make room for the result. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4640 if (xsum (count, pad) > allocated - length) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4641 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4642 /* Need at least count + pad elements. But |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4643 allocate proportionally. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4644 size_t n = |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4645 xmax (xsum3 (length, count, pad), |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4646 xtimes (allocated, 2)); |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4647 |
9834 | 4648 # if USE_SNPRINTF |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4649 length += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4650 ENSURE_ALLOCATION (n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4651 length -= count; |
9834 | 4652 # else |
4653 ENSURE_ALLOCATION (n); | |
4654 # endif | |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4655 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4656 /* Here count + pad <= allocated - length. */ |
9834 | 4657 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4658 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4659 # if !DCHAR_IS_TCHAR || USE_SNPRINTF |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4660 DCHAR_T * const rp = result + length; |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4661 # else |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4662 DCHAR_T * const rp = tmp; |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4663 # endif |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4664 DCHAR_T *p = rp + count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4665 DCHAR_T *end = p + pad; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4666 DCHAR_T *pad_ptr; |
9827
32d08ee66484
Fix a bug in unistdio routines, introduced on 2007-06-10.
Bruno Haible <bruno@clisp.org>
parents:
9676
diff
changeset
|
4667 # if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4668 if (dp->conversion == 'c' |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4669 || dp->conversion == 's') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4670 /* No zero-padding for string directives. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4671 pad_ptr = NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4672 else |
9672
c0fb9d4d860d
Fix bug introduced on 2007-06-10.
Bruno Haible <bruno@clisp.org>
parents:
9651
diff
changeset
|
4673 # endif |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4674 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4675 pad_ptr = (*rp == '-' ? rp + 1 : rp); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4676 /* No zero-padding of "inf" and "nan". */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4677 if ((*pad_ptr >= 'A' && *pad_ptr <= 'Z') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4678 || (*pad_ptr >= 'a' && *pad_ptr <= 'z')) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4679 pad_ptr = NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4680 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4681 /* The generated string now extends from rp to p, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4682 with the zero padding insertion point being at |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4683 pad_ptr. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4684 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4685 count = count + pad; /* = end - rp */ |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4686 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4687 if (flags & FLAG_LEFT) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4688 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4689 /* Pad with spaces on the right. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4690 for (; pad > 0; pad--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4691 *p++ = ' '; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4692 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4693 else if ((flags & FLAG_ZERO) && pad_ptr != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4694 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4695 /* Pad with zeroes. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4696 DCHAR_T *q = end; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4697 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4698 while (p > pad_ptr) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4699 *--q = *--p; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4700 for (; pad > 0; pad--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4701 *p++ = '0'; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4702 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4703 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4704 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4705 /* Pad with spaces on the left. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4706 DCHAR_T *q = end; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4707 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4708 while (p > rp) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4709 *--q = *--p; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4710 for (; pad > 0; pad--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4711 *p++ = ' '; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4712 } |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4713 } |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4714 } |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4715 } |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4716 #endif |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4717 |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4718 /* Here still count <= allocated - length. */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4719 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4720 #if !DCHAR_IS_TCHAR || USE_SNPRINTF |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4721 /* The snprintf() result did fit. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4722 #else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4723 /* Append the sprintf() result. */ |
8961 | 4724 memcpy (result + length, tmp, count * sizeof (DCHAR_T)); |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4725 #endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4726 #if !USE_SNPRINTF |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4727 if (tmp != tmpbuf) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4728 free (tmp); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4729 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4730 |
8664
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4731 #if NEED_PRINTF_DIRECTIVE_F |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4732 if (dp->conversion == 'F') |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4733 { |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4734 /* Convert the %f result to upper case for %F. */ |
8961 | 4735 DCHAR_T *rp = result + length; |
8664
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4736 size_t rc; |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4737 for (rc = count; rc > 0; rc--, rp++) |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4738 if (*rp >= 'a' && *rp <= 'z') |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4739 *rp = *rp - 'a' + 'A'; |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4740 } |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4741 #endif |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4742 |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4743 length += count; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4744 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4745 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4746 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4747 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4748 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4749 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4750 /* Add the final NUL. */ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4751 ENSURE_ALLOCATION (xsum (length, 1)); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4752 result[length] = '\0'; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4753 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4754 if (result != resultbuf && length + 1 < allocated) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4755 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4756 /* Shrink the allocated memory if possible. */ |
8961 | 4757 DCHAR_T *memory; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4758 |
8961 | 4759 memory = (DCHAR_T *) realloc (result, (length + 1) * sizeof (DCHAR_T)); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4760 if (memory != NULL) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4761 result = memory; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4762 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4763 |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4764 if (buf_malloced != NULL) |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4765 free (buf_malloced); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4766 CLEANUP (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4767 *lengthp = length; |
7218
0fd12ba5cfc6
Do the INT_MAX check only where size_t is converted to 'int'.
Bruno Haible <bruno@clisp.org>
parents:
6583
diff
changeset
|
4768 /* Note that we can produce a big string of a length > INT_MAX. POSIX |
0fd12ba5cfc6
Do the INT_MAX check only where size_t is converted to 'int'.
Bruno Haible <bruno@clisp.org>
parents:
6583
diff
changeset
|
4769 says that snprintf() fails with errno = EOVERFLOW in this case, but |
0fd12ba5cfc6
Do the INT_MAX check only where size_t is converted to 'int'.
Bruno Haible <bruno@clisp.org>
parents:
6583
diff
changeset
|
4770 that's only because snprintf() returns an 'int'. This function does |
0fd12ba5cfc6
Do the INT_MAX check only where size_t is converted to 'int'.
Bruno Haible <bruno@clisp.org>
parents:
6583
diff
changeset
|
4771 not have this limitation. */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4772 return result; |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4773 |
9651
cee38e50f29c
vasnprintf.c: Avoid warning about unused label
Jim Meyering <meyering@redhat.com>
parents:
9646
diff
changeset
|
4774 #if USE_SNPRINTF |
8468
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4775 overflow: |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4776 if (!(result == resultbuf || result == NULL)) |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4777 free (result); |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4778 if (buf_malloced != NULL) |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4779 free (buf_malloced); |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4780 CLEANUP (); |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4781 errno = EOVERFLOW; |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4782 return NULL; |
9651
cee38e50f29c
vasnprintf.c: Avoid warning about unused label
Jim Meyering <meyering@redhat.com>
parents:
9646
diff
changeset
|
4783 #endif |
8468
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4784 |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4785 out_of_memory: |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4786 if (!(result == resultbuf || result == NULL)) |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4787 free (result); |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4788 if (buf_malloced != NULL) |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4789 free (buf_malloced); |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4790 out_of_memory_1: |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4791 CLEANUP (); |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4792 errno = ENOMEM; |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4793 return NULL; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4794 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4795 } |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4796 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4797 #undef TCHARS_PER_DCHAR |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4798 #undef SNPRINTF |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4799 #undef USE_SNPRINTF |
9450
9928de4bfe8a
Undefine two macros after they are not needed any more.
Bruno Haible <bruno@clisp.org>
parents:
9446
diff
changeset
|
4800 #undef DCHAR_CPY |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4801 #undef PRINTF_PARSE |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4802 #undef DIRECTIVES |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4803 #undef DIRECTIVE |
9450
9928de4bfe8a
Undefine two macros after they are not needed any more.
Bruno Haible <bruno@clisp.org>
parents:
9446
diff
changeset
|
4804 #undef DCHAR_IS_TCHAR |
8961 | 4805 #undef TCHAR_T |
4806 #undef DCHAR_T | |
4807 #undef FCHAR_T | |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4808 #undef VASNPRINTF |