1*946379e7Schristos /* vswprintf with automatic memory allocation. 2*946379e7Schristos Copyright (C) 2002-2003 Free Software Foundation, Inc. 3*946379e7Schristos 4*946379e7Schristos This program is free software; you can redistribute it and/or modify it 5*946379e7Schristos under the terms of the GNU Library General Public License as published 6*946379e7Schristos by the Free Software Foundation; either version 2, or (at your option) 7*946379e7Schristos any later version. 8*946379e7Schristos 9*946379e7Schristos This program is distributed in the hope that it will be useful, 10*946379e7Schristos but WITHOUT ANY WARRANTY; without even the implied warranty of 11*946379e7Schristos MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12*946379e7Schristos Library General Public License for more details. 13*946379e7Schristos 14*946379e7Schristos You should have received a copy of the GNU Library General Public 15*946379e7Schristos License along with this program; if not, write to the Free Software 16*946379e7Schristos Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 17*946379e7Schristos USA. */ 18*946379e7Schristos 19*946379e7Schristos #ifndef _VASNWPRINTF_H 20*946379e7Schristos #define _VASNWPRINTF_H 21*946379e7Schristos 22*946379e7Schristos /* Get va_list. */ 23*946379e7Schristos #include <stdarg.h> 24*946379e7Schristos 25*946379e7Schristos /* Get wchar_t, size_t. */ 26*946379e7Schristos #include <stddef.h> 27*946379e7Schristos 28*946379e7Schristos #ifdef __cplusplus 29*946379e7Schristos extern "C" { 30*946379e7Schristos #endif 31*946379e7Schristos 32*946379e7Schristos /* Write formatted output to a string dynamically allocated with malloc(). 33*946379e7Schristos You can pass a preallocated buffer for the result in RESULTBUF and its 34*946379e7Schristos size in *LENGTHP; otherwise you pass RESULTBUF = NULL. 35*946379e7Schristos If successful, return the address of the string (this may be = RESULTBUF 36*946379e7Schristos if no dynamic memory allocation was necessary) and set *LENGTHP to the 37*946379e7Schristos number of resulting bytes, excluding the trailing NUL. Upon error, set 38*946379e7Schristos errno and return NULL. */ 39*946379e7Schristos extern wchar_t * asnwprintf (wchar_t *resultbuf, size_t *lengthp, const wchar_t *format, ...); 40*946379e7Schristos extern wchar_t * vasnwprintf (wchar_t *resultbuf, size_t *lengthp, const wchar_t *format, va_list args); 41*946379e7Schristos 42*946379e7Schristos #ifdef __cplusplus 43*946379e7Schristos } 44*946379e7Schristos #endif 45*946379e7Schristos 46*946379e7Schristos #endif /* _VASNWPRINTF_H */ 47