diff options
Diffstat (limited to 'lib/libc/sys/futimens.c')
-rw-r--r-- | lib/libc/sys/futimens.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/lib/libc/sys/futimens.c b/lib/libc/sys/futimens.c new file mode 100644 index 0000000..2014cc5 --- /dev/null +++ b/lib/libc/sys/futimens.c @@ -0,0 +1,97 @@ +/*- + * 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("$FreeBSD$"); + +#include "namespace.h" +#include <sys/stat.h> + +#include <errno.h> +#include <fcntl.h> +#include <time.h> +#include "un-namespace.h" + +#include "libc_private.h" + +int +futimens(int fd, const struct timespec times[2]) +{ + struct timeval now, tv[2], *tvp; + struct stat sb; + + if (__getosreldate() >= 1100056) + return (__sys_futimens(fd, times)); + + 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 (_fstat(fd, &sb) == -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; + } + } + return (futimes(fd, tvp)); +} |