| /* futimes -- change access and modification times of open file. Linux version. |
| Copyright (C) 2002-2018 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 <errno.h> |
| #include <sysdep.h> |
| #include <string.h> |
| #include <time.h> |
| #include <utime.h> |
| #include <sys/time.h> |
| #include <_itoa.h> |
| #include <fcntl.h> |
| |
| |
| /* Change the access time of the file associated with FD to TVP[0] and |
| the modification time of FILE to TVP[1]. |
| |
| Starting with 2.6.22 the Linux kernel has the utimensat syscall which |
| can be used to implement futimes. */ |
| int |
| __futimes (int fd, const struct timeval tvp[2]) |
| { |
| /* The utimensat system call expects timespec not timeval. */ |
| struct timespec ts[2]; |
| if (tvp != NULL) |
| { |
| if (tvp[0].tv_usec < 0 || tvp[0].tv_usec >= 1000000 |
| || tvp[1].tv_usec < 0 || tvp[1].tv_usec >= 1000000) |
| return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); |
| |
| TIMEVAL_TO_TIMESPEC (&tvp[0], &ts[0]); |
| TIMEVAL_TO_TIMESPEC (&tvp[1], &ts[1]); |
| } |
| |
| return INLINE_SYSCALL (utimensat, 4, fd, NULL, tvp ? &ts : NULL, 0); |
| } |
| weak_alias (__futimes, futimes) |