xref: /freebsd-13.1/lib/libc/sys/fstat.c (revision f86e6000)
1 /*-
2  * Copyright (c) 2017 M. Warner Losh <[email protected]>
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  */
25 
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
28 
29 #include "namespace.h"
30 #include <sys/param.h>
31 #include <sys/syscall.h>
32 #include "compat-ino64.h"
33 #include <unistd.h>
34 
35 #include "libc_private.h"
36 
37 #undef fstat
38 __weak_reference(_fstat, fstat);
39 
40 #pragma weak _fstat
41 int
_fstat(int fd,struct stat * sb)42 _fstat(int fd, struct stat *sb)
43 {
44 	struct freebsd11_stat stat11;
45 	int rv;
46 
47 	if (__getosreldate() >= INO64_FIRST)
48 		return (__sys_fstat(fd, sb));
49 	rv = syscall(SYS_freebsd11_fstat, fd, &stat11);
50 	if (rv == 0)
51 		__stat11_to_stat(&stat11, sb);
52 	return (rv);
53 }
54