1*a1acfa9bSespie /* vsprintf with automatic memory allocation. 2*a1acfa9bSespie Copyright (C) 2002-2003 Free Software Foundation, Inc. 3*a1acfa9bSespie 4*a1acfa9bSespie This program is free software; you can redistribute it and/or modify it 5*a1acfa9bSespie under the terms of the GNU Library General Public License as published 6*a1acfa9bSespie by the Free Software Foundation; either version 2, or (at your option) 7*a1acfa9bSespie any later version. 8*a1acfa9bSespie 9*a1acfa9bSespie This program is distributed in the hope that it will be useful, 10*a1acfa9bSespie but WITHOUT ANY WARRANTY; without even the implied warranty of 11*a1acfa9bSespie MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12*a1acfa9bSespie Library General Public License for more details. 13*a1acfa9bSespie 14*a1acfa9bSespie You should have received a copy of the GNU Library General Public 15*a1acfa9bSespie License along with this program; if not, write to the Free Software 16*a1acfa9bSespie Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 17*a1acfa9bSespie USA. */ 18*a1acfa9bSespie 19*a1acfa9bSespie #ifndef _VASNPRINTF_H 20*a1acfa9bSespie #define _VASNPRINTF_H 21*a1acfa9bSespie 22*a1acfa9bSespie /* Get va_list. */ 23*a1acfa9bSespie #include <stdarg.h> 24*a1acfa9bSespie 25*a1acfa9bSespie /* Get size_t. */ 26*a1acfa9bSespie #include <stddef.h> 27*a1acfa9bSespie 28*a1acfa9bSespie #ifndef __attribute__ 29*a1acfa9bSespie /* This feature is available in gcc versions 2.5 and later. */ 30*a1acfa9bSespie # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__ 31*a1acfa9bSespie # define __attribute__(Spec) /* empty */ 32*a1acfa9bSespie # endif 33*a1acfa9bSespie /* The __-protected variants of `format' and `printf' attributes 34*a1acfa9bSespie are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */ 35*a1acfa9bSespie # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) 36*a1acfa9bSespie # define __format__ format 37*a1acfa9bSespie # define __printf__ printf 38*a1acfa9bSespie # endif 39*a1acfa9bSespie #endif 40*a1acfa9bSespie 41*a1acfa9bSespie #ifdef __cplusplus 42*a1acfa9bSespie extern "C" { 43*a1acfa9bSespie #endif 44*a1acfa9bSespie 45*a1acfa9bSespie /* Write formatted output to a string dynamically allocated with malloc(). 46*a1acfa9bSespie You can pass a preallocated buffer for the result in RESULTBUF and its 47*a1acfa9bSespie size in *LENGTHP; otherwise you pass RESULTBUF = NULL. 48*a1acfa9bSespie If successful, return the address of the string (this may be = RESULTBUF 49*a1acfa9bSespie if no dynamic memory allocation was necessary) and set *LENGTHP to the 50*a1acfa9bSespie number of resulting bytes, excluding the trailing NUL. Upon error, set 51*a1acfa9bSespie errno and return NULL. */ 52*a1acfa9bSespie extern char * asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...) 53*a1acfa9bSespie __attribute__ ((__format__ (__printf__, 3, 4))); 54*a1acfa9bSespie extern char * vasnprintf (char *resultbuf, size_t *lengthp, const char *format, va_list args) 55*a1acfa9bSespie __attribute__ ((__format__ (__printf__, 3, 0))); 56*a1acfa9bSespie 57*a1acfa9bSespie #ifdef __cplusplus 58*a1acfa9bSespie } 59*a1acfa9bSespie #endif 60*a1acfa9bSespie 61*a1acfa9bSespie #endif /* _VASNPRINTF_H */ 62