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annotate lib/printf-parse.h @ 16366:bb182ee4a09d

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maint: replace FSF snail-mail addresses with URLs * config/argz.mk, lib/accept4.c, lib/alignof.h, lib/alloca.in.h: * lib/alphasort.c, lib/arcfour.c, lib/arcfour.h, lib/arctwo.c: * lib/arctwo.h, lib/argz.c, lib/arpa_inet.in.h, lib/asnprintf.c: * lib/asprintf.c, lib/assert.in.h, lib/base32.c, lib/base32.h: * lib/base64.c, lib/base64.h, lib/c-ctype.c, lib/c-ctype.h: * lib/c-strcase.h, lib/c-strcasecmp.c, lib/c-strncasecmp.c: * lib/check-version.c, lib/check-version.h, lib/config.charset: * lib/ctype.in.h, lib/des.c, lib/des.h, lib/dup3.c, lib/errno.in.h: * lib/float+.h, lib/fnmatch.c, lib/fnmatch.in.h, lib/fnmatch_loop.c: * lib/fseeko.c, lib/gai_strerror.c, lib/gc-gnulib.c: * lib/gc-libgcrypt.c, lib/gc-pbkdf2-sha1.c, lib/gc.h: * lib/getaddrinfo.c, lib/getdelim.c, lib/getfilecon.c, lib/getline.c: * lib/getlogin_r.c, lib/getpass.c, lib/getpass.h, lib/gettext.h: * lib/gettimeofday.c, lib/glob.in.h, lib/glthread/cond.c: * lib/glthread/cond.h, lib/glthread/lock.c, lib/glthread/lock.h: * lib/glthread/thread.c, lib/glthread/thread.h: * lib/glthread/threadlib.c, lib/glthread/yield.h, lib/hmac-md5.c: * lib/hmac-sha1.c, lib/hmac.h, lib/iconv.c, lib/iconv.in.h: * lib/iconv_close.c, lib/iconv_open.c, lib/inet_ntop.c, lib/isfinite.c: * lib/isinf.c, lib/iswblank.c, lib/langinfo.in.h, lib/link.c: * lib/localcharset.c, lib/localcharset.h, lib/lseek.c, lib/malloc.c: * lib/malloca.c, lib/malloca.h, lib/md2.c, lib/md2.h, lib/md4.c: * lib/md4.h, lib/md5.c, lib/md5.h, lib/memmem.c, lib/mempcpy.c: * lib/memset.c, lib/memxor.c, lib/memxor.h, lib/minmax.h, lib/mktime.c: * lib/msvc-inval.c, lib/msvc-inval.h, lib/msvc-nothrow.c: * lib/msvc-nothrow.h, lib/netdb.in.h, lib/netinet_in.in.h, lib/nproc.c: * lib/nproc.h, lib/obstack_printf.c, lib/pathmax.h, lib/pipe.c: * lib/pipe2.c, lib/poll.c, lib/poll.in.h, lib/printf-args.c: * lib/printf-args.h, lib/printf-parse.c, lib/printf-parse.h: * lib/pselect.c, lib/pthread.in.h, lib/pty-private.h, lib/pty.in.h: * lib/read-file.c, lib/read-file.h, lib/ref-add.sin, lib/ref-del.sin: * lib/regcomp.c, lib/regex.c, lib/regex.h, lib/regex_internal.c: * lib/regex_internal.h, lib/regexec.c, lib/rijndael-alg-fst.c: * lib/rijndael-alg-fst.h, lib/rijndael-api-fst.c: * lib/rijndael-api-fst.h, lib/rint.c, lib/rintf.c, lib/rintl.c: * lib/round.c, lib/roundf.c, lib/roundl.c, lib/scandir.c, lib/select.c: * lib/sha1.c, lib/sha1.h, lib/size_max.h, lib/snprintf.c: * lib/stdalign.in.h, lib/stdarg.in.h, lib/stdbool.in.h: * lib/stddef.in.h, lib/stdint.in.h, lib/stdio.in.h, lib/str-kmp.h: * lib/str-two-way.h, lib/strcasecmp.c, lib/strcasestr.c, lib/strdup.c: * lib/striconv.c, lib/striconv.h, lib/string.in.h, lib/strings.in.h: * lib/strncasecmp.c, lib/strndup.c, lib/strnlen.c, lib/strpbrk.c: * lib/strptime.c, lib/strsep.c, lib/strstr.c, lib/strverscmp.c: * lib/sys_file.in.h, lib/sys_ioctl.in.h, lib/sys_select.in.h: * lib/sys_socket.in.h, lib/sys_stat.in.h, lib/sys_time.in.h: * lib/sys_times.in.h, lib/sys_types.in.h, lib/sys_uio.in.h: * lib/sys_utsname.in.h, lib/sys_wait.in.h, lib/tcgetsid.c: * lib/termios.in.h, lib/time.in.h, lib/time_r.c, lib/timegm.c: * lib/times.c, lib/unictype/3level.h, lib/unictype/3levelbit.h: * lib/unistd.in.h, lib/vasnprintf.c, lib/vasnprintf.h, lib/vasprintf.c: * lib/vsnprintf.c, lib/waitpid.c, lib/wchar.in.h, lib/wctype.in.h: * lib/xsize.h, tests/test-closein.c, tests/test-des.c: * tests/test-fclose.c, tests/test-fgetc.c, tests/test-filevercmp.c: * tests/test-fputc.c, tests/test-fread.c, tests/test-fwrite.c: * tests/test-gc-arcfour.c, tests/test-gc-arctwo.c, tests/test-gc-des.c: * tests/test-gc-hmac-md5.c, tests/test-gc-hmac-sha1.c: * tests/test-gc-md2.c, tests/test-gc-md4.c, tests/test-gc-md5.c: * tests/test-gc-pbkdf2-sha1.c, tests/test-gc-rijndael.c: * tests/test-gc-sha1.c, tests/test-gc.c, tests/test-getdelim.c: * tests/test-getline.c, tests/test-getndelim2.c, tests/test-md2.c: * tests/test-md4.c, tests/test-parse-datetime.c, tests/test-perror.c: * tests/test-perror2.c, tests/test-pipe.c, tests/test-pipe2.c: * tests/test-poll.c, tests/test-quotearg-simple.c: * tests/test-quotearg.c, tests/test-quotearg.h: * tests/test-round-ieee.c, tests/test-round1.c: * tests/test-roundf-ieee.c, tests/test-roundf1.c: * tests/test-roundl-ieee.c, tests/test-roundl.c: * tests/test-safe-alloc.c, tests/test-sigpipe.c: * tests/test-spawn-pipe-child.c, tests/test-spawn-pipe-main.c: * tests/test-strerror.c, tests/test-strerror_r.c: * tests/test-strsignal.c, tests/test-strverscmp.c: * tests/test-xmemdup0.c: Replace FSF snail mail addresses with URLs, as per GNU coding standards. See glibc bug <http://sourceware.org/bugzilla/show_bug.cgi?id=13673>.
author Paul Eggert <eggert@cs.ucla.edu>
date Thu, 09 Feb 2012 21:39:05 -0800
parents 8250f2777afc
children e542fd46ad6f
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1 /* Parse printf format string.
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2 Copyright (C) 1999, 2002-2003, 2005, 2007, 2010-2012 Free Software
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3 Foundation, Inc.
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4
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5 This program is free software; you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 2, or (at your option)
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8 any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License along
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16 with this program; if not, see <http://www.gnu.org/licenses/>. */
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17
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18 #ifndef _PRINTF_PARSE_H
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19 #define _PRINTF_PARSE_H
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20
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21 /* This file can be parametrized with the following macros:
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22 ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
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23 STATIC Set to 'static' to declare the function static. */
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24
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25 #if HAVE_FEATURES_H
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26 # include <features.h> /* for __GLIBC__, __UCLIBC__ */
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27 #endif
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28
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29 #include "printf-args.h"
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30
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31
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32 /* Flags */
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33 #define FLAG_GROUP 1 /* ' flag */
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34 #define FLAG_LEFT 2 /* - flag */
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35 #define FLAG_SHOWSIGN 4 /* + flag */
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36 #define FLAG_SPACE 8 /* space flag */
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37 #define FLAG_ALT 16 /* # flag */
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38 #define FLAG_ZERO 32
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39 #if __GLIBC__ >= 2 && !defined __UCLIBC__
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40 # define FLAG_LOCALIZED 64 /* I flag, uses localized digits */
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41 #endif
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42
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43 /* arg_index value indicating that no argument is consumed. */
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44 #define ARG_NONE (~(size_t)0)
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45
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46 /* xxx_directive: A parsed directive.
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47 xxx_directives: A parsed format string. */
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48
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49 /* Number of directly allocated directives (no malloc() needed). */
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50 #define N_DIRECT_ALLOC_DIRECTIVES 7
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51
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52 /* A parsed directive. */
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53 typedef struct
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54 {
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55 const char* dir_start;
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56 const char* dir_end;
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57 int flags;
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58 const char* width_start;
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59 const char* width_end;
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60 size_t width_arg_index;
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61 const char* precision_start;
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62 const char* precision_end;
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63 size_t precision_arg_index;
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64 char conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
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65 size_t arg_index;
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66 }
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67 char_directive;
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68
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69 /* A parsed format string. */
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70 typedef struct
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71 {
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72 size_t count;
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73 char_directive *dir;
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74 size_t max_width_length;
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75 size_t max_precision_length;
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76 char_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
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77 }
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78 char_directives;
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79
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80 #if ENABLE_UNISTDIO
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81
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82 /* A parsed directive. */
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83 typedef struct
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84 {
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85 const uint8_t* dir_start;
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86 const uint8_t* dir_end;
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87 int flags;
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88 const uint8_t* width_start;
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89 const uint8_t* width_end;
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90 size_t width_arg_index;
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91 const uint8_t* precision_start;
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92 const uint8_t* precision_end;
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93 size_t precision_arg_index;
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94 uint8_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
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95 size_t arg_index;
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96 }
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97 u8_directive;
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98
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99 /* A parsed format string. */
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100 typedef struct
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101 {
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102 size_t count;
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103 u8_directive *dir;
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104 size_t max_width_length;
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105 size_t max_precision_length;
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106 u8_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
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107 }
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108 u8_directives;
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109
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110 /* A parsed directive. */
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111 typedef struct
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112 {
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113 const uint16_t* dir_start;
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114 const uint16_t* dir_end;
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115 int flags;
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116 const uint16_t* width_start;
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117 const uint16_t* width_end;
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118 size_t width_arg_index;
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119 const uint16_t* precision_start;
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120 const uint16_t* precision_end;
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121 size_t precision_arg_index;
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122 uint16_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
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123 size_t arg_index;
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124 }
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125 u16_directive;
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126
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127 /* A parsed format string. */
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128 typedef struct
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129 {
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130 size_t count;
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131 u16_directive *dir;
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132 size_t max_width_length;
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133 size_t max_precision_length;
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134 u16_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
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135 }
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136 u16_directives;
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137
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138 /* A parsed directive. */
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139 typedef struct
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140 {
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141 const uint32_t* dir_start;
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142 const uint32_t* dir_end;
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143 int flags;
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144 const uint32_t* width_start;
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145 const uint32_t* width_end;
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146 size_t width_arg_index;
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147 const uint32_t* precision_start;
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148 const uint32_t* precision_end;
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149 size_t precision_arg_index;
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150 uint32_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
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151 size_t arg_index;
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152 }
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153 u32_directive;
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154
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155 /* A parsed format string. */
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156 typedef struct
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157 {
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158 size_t count;
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159 u32_directive *dir;
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160 size_t max_width_length;
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161 size_t max_precision_length;
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162 u32_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
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163 }
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164 u32_directives;
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165
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166 #endif
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167
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168
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169 /* Parses the format string. Fills in the number N of directives, and fills
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170 in directives[0], ..., directives[N-1], and sets directives[N].dir_start
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171 to the end of the format string. Also fills in the arg_type fields of the
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172 arguments and the needed count of arguments. */
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173 #if ENABLE_UNISTDIO
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174 extern int
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175 ulc_printf_parse (const char *format, char_directives *d, arguments *a);
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176 extern int
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177 u8_printf_parse (const uint8_t *format, u8_directives *d, arguments *a);
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178 extern int
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179 u16_printf_parse (const uint16_t *format, u16_directives *d,
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180 arguments *a);
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181 extern int
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182 u32_printf_parse (const uint32_t *format, u32_directives *d,
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183 arguments *a);
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184 #else
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185 # ifdef STATIC
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186 STATIC
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187 # else
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188 extern
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189 # endif
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190 int printf_parse (const char *format, char_directives *d, arguments *a);
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191 #endif
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192
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193 #endif /* _PRINTF_PARSE_H */