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 5 it under the terms of the GNU Lesser General Public License as published by 6 the Free Software Foundation; either version 2.1 of the License, or 7 (at your option) 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 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public License 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 16 17 #ifndef _VASNWPRINTF_H 18 #define _VASNWPRINTF_H 19 20 /* Get va_list. */ 21 #include <stdarg.h> 22 23 /* Get wchar_t, size_t. */ 24 #include <stddef.h> 25 26 #ifdef __cplusplus 27 extern "C" { 28 #endif 29 30 /* Write formatted output to a string dynamically allocated with malloc(). 31 You can pass a preallocated buffer for the result in RESULTBUF and its 32 size in *LENGTHP; otherwise you pass RESULTBUF = NULL. 33 If successful, return the address of the string (this may be = RESULTBUF 34 if no dynamic memory allocation was necessary) and set *LENGTHP to the 35 number of resulting bytes, excluding the trailing NUL. Upon error, set 36 errno and return NULL. */ 37 extern wchar_t * asnwprintf (wchar_t *resultbuf, size_t *lengthp, const wchar_t *format, ...); 38 extern wchar_t * vasnwprintf (wchar_t *resultbuf, size_t *lengthp, const wchar_t *format, va_list args); 39 40 #ifdef __cplusplus 41 } 42 #endif 43 44 #endif /* _VASNWPRINTF_H */ 45