vfs: check userland buffers before reading them.
[haiku.git] / src / system / libroot / posix / glibc / stdio-common / scanf.c
blob268aa905f8e1e796bdf2693a4209371ab24fdfd4
1 /* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
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 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <stdarg.h>
20 #include <stdio.h>
22 #ifdef USE_IN_LIBIO
23 # include <libioP.h>
24 #endif
27 /* Read formatted input from stdin according to the format string FORMAT. */
28 /* VARARGS1 */
29 int
30 scanf (const char *format, ...)
32 va_list arg;
33 int done;
35 va_start (arg, format);
36 #ifdef USE_IN_LIBIO
37 done = INTUSE(_IO_vfscanf) (stdin, format, arg, NULL);
38 #else
39 done = vfscanf (stdin, format, arg);
40 #endif
41 va_end (arg);
43 return done;