stdio-common/asprintf.c

   1 /* Copyright (C) 1991-2017 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 Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the 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    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <stdarg.h>
  19 #include <stdio.h>
  20
  21 #include <libioP.h>
  22 #define vasprintf(s, f, a) _IO_vasprintf (s, f, a)
  23 #undef __asprintf
  24
  25 /* Write formatted output from FORMAT to a string which is
  26    allocated with malloc and stored in *STRING_PTR.  */
  27 /* VARARGS2 */
  28 int
  29 ___asprintf (char **string_ptr, const char *format, ...)
  30 {
  31   va_list arg;
  32   int done;
  33
  34   va_start (arg, format);
  35   done = vasprintf (string_ptr, format, arg);
  36   va_end (arg);
  37
  38   return done;
  39 }
  40 ldbl_hidden_def (___asprintf, __asprintf)
  41
  42 ldbl_strong_alias (___asprintf, __asprintf)
  43 ldbl_weak_alias (___asprintf, asprintf)