Consolidate pread/pread64 implementations
[glibc.git] / debug / read_chk.c
blobeee40d8b39030f1d0aa0cca3838520b5e90ac672
1 /* Copyright (C) 2005-2016 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, see
16 <http://www.gnu.org/licenses/>. */
18 #include <unistd.h>
19 #include <sys/param.h>
20 #ifdef HAVE_INLINED_SYSCALLS
21 # include <errno.h>
22 # include <sysdep.h>
23 #endif
26 ssize_t
27 __read_chk (int fd, void *buf, size_t nbytes, size_t buflen)
29 if (nbytes > buflen)
30 __chk_fail ();
32 #ifdef HAVE_INLINED_SYSCALLS
33 return INLINE_SYSCALL (read, 3, fd, buf, nbytes);
34 #else
35 return __read (fd, buf, nbytes);
36 #endif