1 /* vswprintf 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 _VASNWPRINTF_H 20 #define _VASNWPRINTF_H 21 22 /* Get va_list. */ 23 #include <stdarg.h> 24 25 /* Get wchar_t, size_t. */ 26 #include <stddef.h> 27 28 #ifdef __cplusplus 29 extern "C" { 30 #endif 31 32 /* Write formatted output to a string dynamically allocated with malloc(). 33 You can pass a preallocated buffer for the result in RESULTBUF and its 34 size in *LENGTHP; otherwise you pass RESULTBUF = NULL. 35 If successful, return the address of the string (this may be = RESULTBUF 36 if no dynamic memory allocation was necessary) and set *LENGTHP to the 37 number of resulting bytes, excluding the trailing NUL. Upon error, set 38 errno and return NULL. */ 39 extern wchar_t * asnwprintf (wchar_t *resultbuf, size_t *lengthp, const wchar_t *format, ...); 40 extern wchar_t * vasnwprintf (wchar_t *resultbuf, size_t *lengthp, const wchar_t *format, va_list args); 41 42 #ifdef __cplusplus 43 } 44 #endif 45 46 #endif /* _VASNWPRINTF_H */ 47