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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 17 USA. */ 18 19 #ifndef _VASPRINTF_H 20 #define _VASPRINTF_H 21 22 /* Get va_list. */ 23 #include <stdarg.h> 24 25 #ifndef __attribute__ 26 /* This feature is available in gcc versions 2.5 and later. */ 27 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__ 28 # define __attribute__(Spec) /* empty */ 29 # endif 30 /* The __-protected variants of `format' and `printf' attributes 31 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */ 32 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) 33 # define __format__ format 34 # define __printf__ printf 35 # endif 36 #endif 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 /* Write formatted output to a string dynamically allocated with malloc(). 43 If the memory allocation succeeds, store the address of the string in 44 *RESULT and return the number of resulting bytes, excluding the trailing 45 NUL. Upon memory allocation error, or some other error, return -1. */ 46 extern int asprintf (char **result, const char *format, ...) 47 __attribute__ ((__format__ (__printf__, 2, 3))); 48 extern int vasprintf (char **result, const char *format, va_list args) 49 __attribute__ ((__format__ (__printf__, 2, 0))); 50 51 #ifdef __cplusplus 52 } 53 #endif 54 55 #endif /* _VASPRINTF_H */ 56