reactos/lib/crtdll/stdio/vsscanf.c

   1 /* Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc.
   2 This file is part of the GNU C Library.
   3
   4 The GNU C Library is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 License, or (at your option) any later version.
   8
   9 The GNU C Library is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <crtdll/errno.h>
  20 #include <stdarg.h>
  21 #include <crtdll/stdio.h>
  22 #include <crtdll/string.h>
  23 #include <crtdll/internal/file.h>
  24
  25 #undef  vsscanf
  26
  27 int __vfscanf (FILE *s, const char *format, va_list argptr);
  28
  29 /* Read formatted input from S according to the format
  30    string FORMAT, using the argument list in ARG.  */
  31 int
  32 __vsscanf (const char *s,const char *format,va_list arg)
  33 {
  34   FILE f;
  35
  36   if (s == NULL)
  37     {
  38       __set_errno (EINVAL);
  39       return -1;
  40     }
  41
  42   memset ((void *) &f, 0, sizeof (f));
  43
  44
  45
  46   f._flag = _IOREAD;
  47   f._ptr = (char *)s;
  48   f._base = (char *)s;
  49   f._bufsiz = strlen(s);
  50   f._cnt = f._bufsiz;
  51
  52
  53   return __vfscanf (&f, format, arg);
  54 }
  55
  56
  57 //weak_alias (__vsscanf, vsscanf)
  58