libc/sysdeps/linux/common/utimensat.c

   1 /*
   2  * utimensat() for uClibc
   3  *
   4  * Copyright (C) 2009 Analog Devices Inc.
   5  *
   6  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   7  */
   8
   9 #include <sys/syscall.h>
  10 #include <sys/stat.h>
  11 #include <stdint.h>
  12
  13 #if defined(__UCLIBC_USE_TIME64__)
  14 #include "internal/time64_helpers.h"
  15 #endif
  16
  17 #if defined(__NR_utimensat) || defined(__NR_utimensat_time64)
  18 #if defined(__UCLIBC_USE_TIME64__) && defined(__NR_utimensat_time64)
  19 int utimensat(int fd, const char *path, const struct timespec times[2], int flags)
  20 {
  21     struct __ts64_struct __times64[2] = {
  22         {
  23             .tv_sec = times ? times[0].tv_sec : 0,
  24             .tv_nsec = times ? times[0].tv_nsec : 0
  25         },
  26         {
  27             .tv_sec = times ? times[1].tv_sec : 0,
  28             .tv_nsec = times ? times[1].tv_nsec : 0
  29         }
  30     };
  31
  32     return INLINE_SYSCALL(utimensat_time64, 4, fd, path, times ? (uintptr_t) &__times64 : 0, flags);
  33 }
  34 #else
  35 _syscall4(int, utimensat, int, fd, const char *, path, const struct timespec *, times, int, flags)
  36 #endif
  37 libc_hidden_def(utimensat)
  38 #else
  39 /* should add emulation with utimens() and /proc/self/fd/ ... */
  40 #endif
  41