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553cc5f9 UD |
1 | /* Copyright (C) 2005 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 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. | |
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 | Lesser General Public License for more details. | |
13 | ||
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. */ | |
18 | ||
19 | #include <unistd.h> | |
20 | #include <sys/param.h> | |
21 | #ifdef HAVE_INLINED_SYSCALLS | |
22 | # include <errno.h> | |
23 | # include <sysdep.h> | |
24 | #endif | |
25 | ||
26 | ||
27 | ssize_t | |
28 | __read_chk (int fd, void *buf, size_t nbytes, size_t buflen) | |
29 | { | |
61062f56 UD |
30 | if (nbytes > buflen) |
31 | __chk_fail (); | |
32 | ||
553cc5f9 | 33 | #ifdef HAVE_INLINED_SYSCALLS |
a0e3c9e2 | 34 | return INLINE_SYSCALL (read, 3, fd, buf, nbytes); |
553cc5f9 | 35 | #else |
a0e3c9e2 | 36 | return __read (fd, buf, nbytes); |
553cc5f9 | 37 | #endif |
553cc5f9 | 38 | } |