reactos/lib/crtdll/old cruft/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 <msvcrt/errno.h>
  20 #include <msvcrt/stdarg.h>
  21 #include <msvcrt/stdio.h>
  22 #include <msvcrt/string.h>
  23 #include <msvcrt/internal/file.h>
  24 #include <msvcrt/internal/stdio.h>
  25
  26 #undef  vsscanf
  27
  28 /* Read formatted input from S according to the format
  29    string FORMAT, using the argument list in ARG.  */
  30 int __vsscanf(const char *s,const char *format,va_list arg)
  31 {
  32   FILE f;
  33
  34   if (s == NULL)
  35     {
  36       __set_errno (EINVAL);
  37       return -1;
  38     }
  39
  40   memset ((void *) &f, 0, sizeof (f));
  41
  42   f._flag = _IOREAD;
  43   f._ptr = (char *)s;
  44   f._base = (char *)s;
  45   f._bufsiz = strlen(s);
  46   f._cnt = f._bufsiz;
  47
  48   return __vfscanf (&f, format, arg);
  49 }
  50