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Add compat for utimensat(2) for touch builtin.
This is taken from FreeBSD head r301763 at tools/build/utimensat.c
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| Original file line number | Original file line | Diff line number | Diff line change |
|---|---|---|---|
| @@ -0,0 +1,110 @@ | |||
| /*- | |||
| * Copyright (c) 2015 Jilles Tjoelker | |||
| * All rights reserved. | |||
| * | |||
| * Redistribution and use in source and binary forms, with or without | |||
| * modification, are permitted provided that the following conditions | |||
| * are met: | |||
| * 1. Redistributions of source code must retain the above copyright | |||
| * notice, this list of conditions and the following disclaimer. | |||
| * 2. Redistributions in binary form must reproduce the above copyright | |||
| * notice, this list of conditions and the following disclaimer in the | |||
| * documentation and/or other materials provided with the distribution. | |||
| * | |||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |||
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||
| * SUCH DAMAGE. | |||
| */ | |||
|
|
|||
| #include <sys/cdefs.h> | |||
| __FBSDID("$FreeBSD$"); | |||
|
|
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| #include <sys/stat.h> | |||
|
|
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| #include <errno.h> | |||
| #include <fcntl.h> | |||
| #include <time.h> | |||
|
|
|||
| #ifndef UTIME_NOW | |||
| #define UTIME_NOW -1 | |||
| #define UTIME_OMIT -2 | |||
| #endif | |||
|
|
|||
| #ifndef HAVE_UTIMENSAT | |||
| int | |||
| utimensat(int fd, const char *path, const struct timespec times[2], int flag) | |||
| { | |||
| struct timeval now, tv[2], *tvp; | |||
| struct stat sb; | |||
| int osreldate; | |||
|
|
|||
| if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0) { | |||
| errno = EINVAL; | |||
| return (-1); | |||
| } | |||
| if (times == NULL || (times[0].tv_nsec == UTIME_NOW && | |||
| times[1].tv_nsec == UTIME_NOW)) | |||
| tvp = NULL; | |||
| else if (times[0].tv_nsec == UTIME_OMIT && | |||
| times[1].tv_nsec == UTIME_OMIT) | |||
| return (0); | |||
| else { | |||
| if ((times[0].tv_nsec < 0 || times[0].tv_nsec > 999999999) && | |||
| times[0].tv_nsec != UTIME_NOW && | |||
| times[0].tv_nsec != UTIME_OMIT) { | |||
| errno = EINVAL; | |||
| return (-1); | |||
| } | |||
| if ((times[1].tv_nsec < 0 || times[1].tv_nsec > 999999999) && | |||
| times[1].tv_nsec != UTIME_NOW && | |||
| times[1].tv_nsec != UTIME_OMIT) { | |||
| errno = EINVAL; | |||
| return (-1); | |||
| } | |||
| tv[0].tv_sec = times[0].tv_sec; | |||
| tv[0].tv_usec = times[0].tv_nsec / 1000; | |||
| tv[1].tv_sec = times[1].tv_sec; | |||
| tv[1].tv_usec = times[1].tv_nsec / 1000; | |||
| tvp = tv; | |||
| if (times[0].tv_nsec == UTIME_OMIT || | |||
| times[1].tv_nsec == UTIME_OMIT) { | |||
| if (fstatat(fd, path, &sb, flag) == -1) | |||
| return (-1); | |||
| if (times[0].tv_nsec == UTIME_OMIT) { | |||
| tv[0].tv_sec = sb.st_atim.tv_sec; | |||
| tv[0].tv_usec = sb.st_atim.tv_nsec / 1000; | |||
| } | |||
| if (times[1].tv_nsec == UTIME_OMIT) { | |||
| tv[1].tv_sec = sb.st_mtim.tv_sec; | |||
| tv[1].tv_usec = sb.st_mtim.tv_nsec / 1000; | |||
| } | |||
| } | |||
| if (times[0].tv_nsec == UTIME_NOW || | |||
| times[1].tv_nsec == UTIME_NOW) { | |||
| if (gettimeofday(&now, NULL) == -1) | |||
| return (-1); | |||
| if (times[0].tv_nsec == UTIME_NOW) | |||
| tv[0] = now; | |||
| if (times[1].tv_nsec == UTIME_NOW) | |||
| tv[1] = now; | |||
| } | |||
| } | |||
| if ((flag & AT_SYMLINK_NOFOLLOW) == 0) | |||
| return (futimesat(fd, path, tvp)); | |||
| else if ((flag & AT_SYMLINK_NOFOLLOW) != 0 && | |||
| (fd == AT_FDCWD || path[0] == '/')) | |||
| return (lutimes(path, tvp)); | |||
| else { | |||
| errno = ENOTSUP; | |||
| return (-1); | |||
| } | |||
| } | |||
| #endif | |||
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