newlib-cygwin/newlib/libc/stdio/scanf.c

/*
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#include <_ansi.h>
#include <reent.h>
#include <stdio.h>
#ifdef _HAVE_STDC
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#include "local.h"

#ifndef _REENT_ONLY

int
#ifdef _HAVE_STDC
scanf(_CONST char *__restrict fmt, ...)
#else
scanf(fmt, va_alist)
      char *fmt;
      va_dcl
#endif
{
  int ret;
  va_list ap;
  struct _reent *reent = _REENT;

  _REENT_SMALL_CHECK_INIT (reent);
#ifdef _HAVE_STDC
  va_start (ap, fmt);
#else
  va_start (ap);
#endif
  ret = _vfscanf_r (reent, _stdin_r (reent), fmt, ap);
  va_end (ap);
  return ret;
}

#endif /* !_REENT_ONLY */

int
#ifdef _HAVE_STDC
_scanf_r(struct _reent *ptr, _CONST char *__restrict fmt, ...)
#else
_scanf_r(ptr, fmt, va_alist)
         struct _reent *ptr;
         char *fmt;
         va_dcl
#endif
{
  int ret;
  va_list ap;

  _REENT_SMALL_CHECK_INIT (ptr);
#ifdef _HAVE_STDC
  va_start (ap, fmt);
#else
  va_start (ap);
#endif
  ret = _vfscanf_r (ptr, _stdin_r (ptr), fmt, ap);
  va_end (ap);
  return (ret);
}