1 /* vsprintf with automatic memory allocation.
2 Copyright (C) 2002-2003 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU Library General Public License as published
6 by 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 GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with this program; if not, see <http://www.gnu.org/licenses/>. */
27 /* This feature is available in gcc versions 2.5 and later. */
28 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
29 # define __attribute__(Spec) /* empty */
31 /* The __-protected variants of `format' and `printf' attributes
32 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
33 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
34 # define __format__ format
35 # define __printf__ printf
43 /* Write formatted output to a string dynamically allocated with malloc().
44 You can pass a preallocated buffer for the result in RESULTBUF and its
45 size in *LENGTHP; otherwise you pass RESULTBUF = NULL.
46 If successful, return the address of the string (this may be = RESULTBUF
47 if no dynamic memory allocation was necessary) and set *LENGTHP to the
48 number of resulting bytes, excluding the trailing NUL. Upon error, set
49 errno and return NULL. */
50 extern char * asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
51 __attribute__ ((__format__ (__printf__, 3, 4)));
52 extern char * vasnprintf (char *resultbuf, size_t *lengthp, const char *format, va_list args)
53 __attribute__ ((__format__ (__printf__, 3, 0)));
59 #endif /* _VASNPRINTF_H */