newlib/libc/stdio/iscanf.c

   1 /*
   2  * Copyright (c) 1990 The Regents of the University of California.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms are permitted
   6  * provided that the above copyright notice and this paragraph are
   7  * duplicated in all such forms and that any documentation,
   8  * and/or other materials related to such
   9  * distribution and use acknowledge that the software was developed
  10  * by the University of California, Berkeley.  The name of the
  11  * University may not be used to endorse or promote products derived
  12  * from this software without specific prior written permission.
  13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  16  */
  17
  18 #include <_ansi.h>
  19 #include <reent.h>
  20 #include <stdio.h>
  21 #include <stdarg.h>
  22 #include "local.h"
  23
  24 #ifndef _REENT_ONLY
  25
  26 int
  27 iscanf(const char *fmt, ...)
  28 {
  29   int ret;
  30   va_list ap;
  31
  32   _REENT_SMALL_CHECK_INIT (_REENT);
  33   va_start (ap, fmt);
  34   ret = __svfiscanf_r (_REENT, _stdin_r (_REENT), fmt, ap);
  35   va_end (ap);
  36   return ret;
  37 }
  38
  39 #endif /* !_REENT_ONLY */
  40
  41 int
  42 _iscanf_r(struct _reent *ptr, const char *fmt, ...)
  43 {
  44   int ret;
  45   va_list ap;
  46
  47   _REENT_SMALL_CHECK_INIT (ptr);
  48   va_start (ap, fmt);
  49   ret = __svfiscanf_r (ptr, _stdin_r (ptr), fmt, ap);
  50   va_end (ap);
  51   return (ret);
  52 }
  53