Mercurial > hg > octave-kai > gnulib-hg

annotate lib/inttostr.c @ 10531:e83a90adf243

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Override fopen more carefully.
author Bruno Haible <bruno@clisp.org>
date Sun, 28 Sep 2008 16:12:20 +0200
parents bbbbbf4cd1c5
children 17859659573f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4983
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
1 /* inttostr.c -- convert integers to printable strings
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
2
7302
8a1a9361108c * _fpending.c: Include <config.h> unconditionally, since we no
Paul Eggert <eggert@cs.ucla.edu>
parents: 6259
diff changeset
3 Copyright (C) 2001, 2006 Free Software Foundation, Inc.
4983
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
4
9309
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents: 7302
diff changeset
5 This program is free software: you can redistribute it and/or modify
4983
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
6 it under the terms of the GNU General Public License as published by
9309
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents: 7302
diff changeset
7 the Free Software Foundation; either version 3 of the License, or
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents: 7302
diff changeset
8 (at your option) any later version.
4983
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
9
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
10 This program is distributed in the hope that it will be useful,
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
13 GNU General Public License for more details.
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
14
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
15 You should have received a copy of the GNU General Public License
9309
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents: 7302
diff changeset
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
4983
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
17
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
18 /* Written by Paul Eggert */
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
19
7302
8a1a9361108c * _fpending.c: Include <config.h> unconditionally, since we no
Paul Eggert <eggert@cs.ucla.edu>
parents: 6259
diff changeset
20 #include <config.h>
8a1a9361108c * _fpending.c: Include <config.h> unconditionally, since we no
Paul Eggert <eggert@cs.ucla.edu>
parents: 6259
diff changeset
21
4983
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
22 #include "inttostr.h"
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
23
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
24 /* Convert I to a printable string in BUF, which must be at least
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
25 INT_BUFSIZE_BOUND (INTTYPE) bytes long. Return the address of the
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
26 printable string, which need not start at BUF. */
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
27
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
28 char *
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
29 inttostr (inttype i, char *buf)
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
30 {
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
31 char *p = buf + INT_STRLEN_BOUND (inttype);
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
32 *p = 0;
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
33
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
34 if (i < 0)
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
35 {
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
36 do
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
37 *--p = '0' - i % 10;
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
38 while ((i /= 10) != 0);
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
39
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
40 *--p = '-';
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
41 }
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
42 else
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
43 {
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
44 do
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
45 *--p = '0' + i % 10;
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
46 while ((i /= 10) != 0);
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
47 }
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
48
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
49 return p;
1ade121b7fb9 New module inttostr.
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
50 }