1/* vsprintf with automatic memory allocation.
2   Copyright (C) 2002-2003 Free Software Foundation, Inc.
3
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)
7   any later version.
8
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.
13
14   You should have received a copy of the GNU Library General Public
15   License along with this program; if not, write to the Free Software
16   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
17   USA.  */
18
19#ifndef _VASNPRINTF_H
20#define _VASNPRINTF_H
21
22/* Get va_list.  */
23#include <stdarg.h>
24
25/* Get size_t.  */
26#include <stddef.h>
27
28#ifndef __attribute__
29/* This feature is available in gcc versions 2.5 and later.  */
30# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
31#  define __attribute__(Spec) /* empty */
32# endif
33/* The __-protected variants of `format' and `printf' attributes
34   are accepted by gcc versions 2.6.4 (effectively 2.7) and later.  */
35# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
36#  define __format__ format
37#  define __printf__ printf
38# endif
39#endif
40
41#ifdef	__cplusplus
42extern "C" {
43#endif
44
45/* Write formatted output to a string dynamically allocated with malloc().
46   You can pass a preallocated buffer for the result in RESULTBUF and its
47   size in *LENGTHP; otherwise you pass RESULTBUF = NULL.
48   If successful, return the address of the string (this may be = RESULTBUF
49   if no dynamic memory allocation was necessary) and set *LENGTHP to the
50   number of resulting bytes, excluding the trailing NUL.  Upon error, set
51   errno and return NULL.  */
52extern char * asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
53       __attribute__ ((__format__ (__printf__, 3, 4)));
54extern char * vasnprintf (char *resultbuf, size_t *lengthp, const char *format, va_list args)
55       __attribute__ ((__format__ (__printf__, 3, 0)));
56
57#ifdef	__cplusplus
58}
59#endif
60
61#endif /* _VASNPRINTF_H */
62