32bit memcmp/strcmp/strncmp optimized for SSSE3/SSS4.2
[glibc.git] / debug / read_chk.c
blobda2bc945b740b1996e481d3a48fa9b4f482bd263
1 /* Copyright (C) 2005 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 <unistd.h>
20 #include <sys/param.h>
21 #ifdef HAVE_INLINED_SYSCALLS
22 # include <errno.h>
23 # include <sysdep.h>
24 #endif
27 ssize_t
28 __read_chk (int fd, void *buf, size_t nbytes, size_t buflen)
30 if (nbytes > buflen)
31 __chk_fail ();
33 #ifdef HAVE_INLINED_SYSCALLS
34 return INLINE_SYSCALL (read, 3, fd, buf, nbytes);
35 #else
36 return __read (fd, buf, nbytes);
37 #endif