diff options
Diffstat (limited to 'sysdeps/mach/hurd/futimens.c')
-rw-r--r-- | sysdeps/mach/hurd/futimens.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/futimens.c b/sysdeps/mach/hurd/futimens.c new file mode 100644 index 0000000000..8810e3d0e5 --- /dev/null +++ b/sysdeps/mach/hurd/futimens.c @@ -0,0 +1,79 @@ +/* futimes -- change access and modification times of open file. Hurd version. + Copyright (C) 2002-2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <sys/time.h> +#include <errno.h> +#include <stddef.h> +#include <hurd.h> +#include <hurd/fd.h> + +/* Change the access time of FD to TSP[0] and + the modification time of FD to TSP[1]. */ +int +__futimens (int fd, const struct timespec tsp[2]) +{ + struct timespec atime, mtime; + error_t err; + + if (tsp == NULL) + { + /* Setting the number of nanoseconds to UTIME_NOW tells the + underlying filesystems to use the current time. */ + atime.tv_sec = 0; + atime.tv_nsec = UTIME_NOW; + mtime.tv_sec = 0; + mtime.tv_nsec = UTIME_NOW; + } + else + { + atime = tsp[0]; + mtime = tsp[1]; + } + + err = HURD_DPORT_USE (fd, __file_utimens (port, atime, mtime)); + + if (err == MIG_BAD_ID || err == EOPNOTSUPP) + { + time_value_t atim, mtim; + + if (tsp == NULL) + /* Setting the number of microseconds to `-1' tells the + underlying filesystems to use the current time. */ + atim.microseconds = mtim.microseconds = -1; + else + { + if (tsp[0].tv_nsec == UTIME_NOW) + atim.microseconds = -1; + else if (tsp[0].tv_nsec == UTIME_OMIT) + atim.microseconds = -2; + else + TIMESPEC_TO_TIME_VALUE (&atim, &(tsp[0])); + if (tsp[1].tv_nsec == UTIME_NOW) + mtim.microseconds = -1; + else if (tsp[1].tv_nsec == UTIME_OMIT) + mtim.microseconds = -2; + else + TIMESPEC_TO_TIME_VALUE (&mtim, &(tsp[1])); + } + + err = HURD_DPORT_USE (fd, __file_utimes (port, atim, mtim)); + } + + return err ? __hurd_dfail (fd, err) : 0; +} +weak_alias (__futimens, futimens) |