stdio-common/asprintf.c

   1 /* Copyright (C) 1991, 1995 Free Software Foundation, Inc.
   2 This file is part of the GNU C Library.
   3
   4 The GNU C Library is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 License, or (at your option) any later version.
   8
   9 The GNU C Library 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 the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <stdarg.h>
  20 #include <stdio.h>
  21
  22 #ifdef USE_IN_LIBIO
  23 # define vasprintf _IO_vasprintf
  24 #endif
  25
  26 /* Write formatted output from FORMAT to a string which is
  27    allocated with malloc and stored in *STRING_PTR.  */
  28 /* VARARGS2 */
  29 int
  30 asprintf (char **string_ptr, const char *format, ...)
  31 {
  32   va_list arg;
  33   int done;
  34
  35   va_start (arg, format);
  36   done = vasprintf (string_ptr, format, arg);
  37   va_end (arg);
  38
  39   return done;
  40 }