stdio-common/asprintf.c

   1 /* Copyright (C) 1991, 1995, 1997, 1998, 2002, 2004
   2    Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <stdarg.h>
  21 #include <stdio.h>
  22
  23 #include <libio/libioP.h>
  24 #define vasprintf(s, f, a) _IO_vasprintf (s, f, a)
  25 #undef __asprintf
  26
  27 /* Write formatted output from FORMAT to a string which is
  28    allocated with malloc and stored in *STRING_PTR.  */
  29 /* VARARGS2 */
  30 int
  31 __asprintf (char **string_ptr, const char *format, ...)
  32 {
  33   va_list arg;
  34   int done;
  35
  36   va_start (arg, format);
  37   done = vasprintf (string_ptr, format, arg);
  38   va_end (arg);
  39
  40   return done;
  41 }
  42 INTDEF(__asprintf)
  43 weak_alias (__asprintf, asprintf)