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 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 _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 45 extern "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. */ 52 extern int asprintf (char **result, const char *format, ...) 53 __attribute__ ((__format__ (__printf__, 2, 3))); 54 extern 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