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 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 15 along 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 _VASPRINTF_H 19#define _VASPRINTF_H 20 21#if HAVE_VASPRINTF 22 23/* Get asprintf(), vasprintf() declarations. */ 24#include <stdio.h> 25 26#else 27 28/* Get va_list. */ 29#include <stdarg.h> 30 31#ifndef __attribute__ 32/* This feature is available in gcc versions 2.5 and later. */ 33# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__ 34# define __attribute__(Spec) /* empty */ 35# endif 36/* The __-protected variants of `format' and `printf' attributes 37 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */ 38# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) 39# define __format__ format 40# define __printf__ printf 41# endif 42#endif 43 44#ifdef __cplusplus 45extern "C" { 46#endif 47 48/* Write formatted output to a string dynamically allocated with malloc(). 49 If the memory allocation succeeds, store the address of the string in 50 *RESULT and return the number of resulting bytes, excluding the trailing 51 NUL. Upon memory allocation error, or some other error, return -1. */ 52extern int asprintf (char **result, const char *format, ...) 53 __attribute__ ((__format__ (__printf__, 2, 3))); 54extern int vasprintf (char **result, const char *format, va_list args) 55 __attribute__ ((__format__ (__printf__, 2, 0))); 56 57#ifdef __cplusplus 58} 59#endif 60 61#endif 62 63#endif /* _VASPRINTF_H */ 64