newlib/libc/stdio/vscanf.c

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