xref: /freebsd/lib/libc/sys/read.c (revision 7dd9070e)
1d7847a8dSBrooks Davis /*
2d7847a8dSBrooks Davis  * Copyright (c) 2014 The FreeBSD Foundation.
3d7847a8dSBrooks Davis  *
4d7847a8dSBrooks Davis  * Portions of this software were developed by Konstantin Belousov
5d7847a8dSBrooks Davis  * under sponsorship from the FreeBSD Foundation.
6d7847a8dSBrooks Davis  *
7d7847a8dSBrooks Davis  * Redistribution and use in source and binary forms, with or without
8d7847a8dSBrooks Davis  * modification, are permitted provided that the following conditions
9d7847a8dSBrooks Davis  * are met:
10d7847a8dSBrooks Davis  * 1. Redistributions of source code must retain the above copyright
11d7847a8dSBrooks Davis  *    notice(s), this list of conditions and the following disclaimer as
12d7847a8dSBrooks Davis  *    the first lines of this file unmodified other than the possible
13d7847a8dSBrooks Davis  *    addition of one or more copyright notices.
14d7847a8dSBrooks Davis  * 2. Redistributions in binary form must reproduce the above copyright
15d7847a8dSBrooks Davis  *    notice(s), this list of conditions and the following disclaimer in
16d7847a8dSBrooks Davis  *    the documentation and/or other materials provided with the
17d7847a8dSBrooks Davis  *    distribution.
18d7847a8dSBrooks Davis  *
19d7847a8dSBrooks Davis  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
20d7847a8dSBrooks Davis  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21d7847a8dSBrooks Davis  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22d7847a8dSBrooks Davis  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
23d7847a8dSBrooks Davis  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24d7847a8dSBrooks Davis  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25d7847a8dSBrooks Davis  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
26d7847a8dSBrooks Davis  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27d7847a8dSBrooks Davis  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
28d7847a8dSBrooks Davis  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
29d7847a8dSBrooks Davis  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30d7847a8dSBrooks Davis  */
31d7847a8dSBrooks Davis 
32d7847a8dSBrooks Davis #include <sys/types.h>
33d7847a8dSBrooks Davis #include <sys/syscall.h>
34d7847a8dSBrooks Davis #include <unistd.h>
35d7847a8dSBrooks Davis #include "libc_private.h"
36d7847a8dSBrooks Davis 
37d7847a8dSBrooks Davis __weak_reference(__sys_read, __read);
38d7847a8dSBrooks Davis 
39d7847a8dSBrooks Davis #pragma weak read
40d7847a8dSBrooks Davis ssize_t
read(int fd,void * buf,size_t nbytes)41d7847a8dSBrooks Davis read(int fd, void *buf, size_t nbytes)
42d7847a8dSBrooks Davis {
437dd9070eSBrooks Davis 	return (INTERPOS_SYS(read, fd, buf, nbytes));
44d7847a8dSBrooks Davis }
45