summaryrefslogtreecommitdiff
path: root/stdio-common/scanf.c
blob: 29c9efb1c3021a76c451121bf08ac60632ad45b3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

#include <stdarg.h>
#include <stdio.h>

/* The function `vscanf' is not defined in ISO C.  Therefore we must
   use the protected form here.  In stdio it is called `__vscanf' and
   in libio `_IO_vscanf'.  */
#ifdef USE_IN_LIBIO
# include <libioP.h>
# define VSCANF _IO_vscanf
#else
# define VSCANF __vscanf
#endif

/* Read formatted input from stdin according to the format string FORMAT.  */
/* VARARGS1 */
int
scanf (const char *format, ...)
{
  va_list arg;
  int done;

  va_start (arg, format);
  done = VSCANF (format, arg);
  va_end (arg);

  return done;
}