libc-bottom-half/cloudlibc/src/libc/sys/stat/futimens.c

   1 // Copyright (c) 2015-2016 Nuxi, https://nuxi.nl/
   2 //
   3 // SPDX-License-Identifier: BSD-2-Clause
   4
   5 #include <sys/stat.h>
   6
   7 #include <wasi/api.h>
   8 #include <errno.h>
   9
  10 #include "stat_impl.h"
  11
  12 int futimens(int fd, const struct timespec *times) {
  13   // Convert timestamps and extract NOW/OMIT flags.
  14   __wasi_timestamp_t st_atim;
  15   __wasi_timestamp_t st_mtim;
  16   __wasi_fstflags_t flags;
  17   if (!utimens_get_timestamps(times, &st_atim, &st_mtim, &flags)) {
  18     errno = EINVAL;
  19     return -1;
  20   }
  21
  22   // Perform system call.
  23   __wasi_errno_t error = __wasi_fd_filestat_set_times(fd, st_atim, st_mtim, flags);
  24   if (error != 0) {
  25     errno = error;
  26     return -1;
  27   }
  28   return 0;
  29 }