1 /* Formatted output to strings.
2 Copyright (C) 2004, 2006-2007 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
30 #include "vasnprintf.h"
32 /* Some systems, like OSF/1 4.0 and Woe32, don't have EOVERFLOW. */
34 # define EOVERFLOW E2BIG
38 # define SIZE_MAX ((size_t) -1)
41 /* Print formatted output to string STR.
42 Return string length of formatted string. On error, return a negative
45 sprintf (char *str, const char *format, ...)
49 /* vasnprintf fails with EOVERFLOW when the buffer size argument is larger
50 than INT_MAX (if that fits into a 'size_t' at all). */
51 size_t lenbuf = (SIZE_MAX < INT_MAX ? SIZE_MAX : INT_MAX);
54 va_start (args, format);
55 output = vasnprintf (str, &lenbuf, format, args);
64 /* len is near SIZE_MAX. */