intl/vasnwprintf.h

   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 */