newlib/libc/stdio/vswscanf.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 /* Doc in vfwscanf.c */
  20
  21 #include <_ansi.h>
  22 #include <reent.h>
  23 #include <stdio.h>
  24 #include <wchar.h>
  25 #include <string.h>
  26 #include <stdarg.h>
  27 #include "local.h"
  28
  29 /*
  30  * vsscanf
  31  */
  32
  33 #ifndef _REENT_ONLY
  34
  35 int
  36 vswscanf (const wchar_t *__restrict str, const wchar_t * __restrict fmt,
  37   va_list ap)
  38 {
  39   return _vswscanf_r (_REENT, str, fmt, ap);
  40 }
  41
  42 #endif /* !_REENT_ONLY */
  43
  44 int
  45 _vswscanf_r (struct _reent *ptr, const wchar_t *str, const wchar_t *fmt,
  46              va_list ap)
  47 {
  48   FILE f;
  49
  50   f._flags = __SRD | __SSTR;
  51   f._bf._base = f._p = (unsigned char *) str;
  52   f._bf._size = f._r = wcslen (str) * sizeof (wchar_t);
  53   f._read = __seofread;
  54   f._ub._base = NULL;
  55   f._lb._base = NULL;
  56   f._flags2 = 0;
  57   f._ur = 0;
  58   f._file = -1;  /* No file. */
  59   return __ssvfwscanf_r (ptr, &f, fmt, ap);
  60 }