source: vendor/m4/1.4.8/lib/vasnprintf.h@ 3090

Last change on this file since 3090 was 3090, checked in by bird, 19 years ago

m4 1.4.8

File size: 2.8 KB
RevLine 
[3090]1/* vsprintf with automatic memory allocation.
2 Copyright (C) 2002-2004 Free Software Foundation, Inc.
3
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)
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
12 GNU General Public License for more details.
13
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. */
17
18#ifndef _VASNPRINTF_H
19#define _VASNPRINTF_H
20
21/* Get va_list. */
22#include <stdarg.h>
23
24/* Get size_t. */
25#include <stddef.h>
26
27#ifndef __attribute__
28/* This feature is available in gcc versions 2.5 and later. */
29# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
30# define __attribute__(Spec) /* empty */
31# endif
32/* The __-protected variants of `format' and `printf' attributes
33 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
34# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
35# define __format__ format
36# define __printf__ printf
37# endif
38#endif
39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
44/* Write formatted output to a string dynamically allocated with malloc().
45 You can pass a preallocated buffer for the result in RESULTBUF and its
46 size in *LENGTHP; otherwise you pass RESULTBUF = NULL.
47 If successful, return the address of the string (this may be = RESULTBUF
48 if no dynamic memory allocation was necessary) and set *LENGTHP to the