2 * Copyright (c) 2015 Jilles Tjoelker
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
42 utimensat(int fd, const char *path, const struct timespec times[2], int flag)
44 struct timeval now, tv[2], *tvp;
48 if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0) {
52 if (times == NULL || (times[0].tv_nsec == UTIME_NOW &&
53 times[1].tv_nsec == UTIME_NOW))
55 else if (times[0].tv_nsec == UTIME_OMIT &&
56 times[1].tv_nsec == UTIME_OMIT)
59 if ((times[0].tv_nsec < 0 || times[0].tv_nsec > 999999999) &&
60 times[0].tv_nsec != UTIME_NOW &&
61 times[0].tv_nsec != UTIME_OMIT) {
65 if ((times[1].tv_nsec < 0 || times[1].tv_nsec > 999999999) &&
66 times[1].tv_nsec != UTIME_NOW &&
67 times[1].tv_nsec != UTIME_OMIT) {
71 tv[0].tv_sec = times[0].tv_sec;
72 tv[0].tv_usec = times[0].tv_nsec / 1000;
73 tv[1].tv_sec = times[1].tv_sec;
74 tv[1].tv_usec = times[1].tv_nsec / 1000;
76 if (times[0].tv_nsec == UTIME_OMIT ||
77 times[1].tv_nsec == UTIME_OMIT) {
78 if (fstatat(fd, path, &sb, flag) == -1)
80 if (times[0].tv_nsec == UTIME_OMIT) {
81 tv[0].tv_sec = sb.st_atim.tv_sec;
82 tv[0].tv_usec = sb.st_atim.tv_nsec / 1000;
84 if (times[1].tv_nsec == UTIME_OMIT) {
85 tv[1].tv_sec = sb.st_mtim.tv_sec;
86 tv[1].tv_usec = sb.st_mtim.tv_nsec / 1000;
89 if (times[0].tv_nsec == UTIME_NOW ||
90 times[1].tv_nsec == UTIME_NOW) {
91 if (gettimeofday(&now, NULL) == -1)
93 if (times[0].tv_nsec == UTIME_NOW)
95 if (times[1].tv_nsec == UTIME_NOW)
99 if ((flag & AT_SYMLINK_NOFOLLOW) == 0)
100 return (futimesat(fd, path, tvp));
101 else if ((flag & AT_SYMLINK_NOFOLLOW) != 0 &&
102 (fd == AT_FDCWD || path[0] == '/'))
103 return (lutimes(path, tvp));