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authorUlrich Drepper <drepper@redhat.com>2003-07-12 18:48:39 +0000
committerUlrich Drepper <drepper@redhat.com>2003-07-12 18:48:39 +0000
commitf4e0175f01498be2d3d260b4c36b693bed5267f6 (patch)
tree6f598d07e7c708568edf97913b0a6c477b1c341a /sysdeps/unix/sysv/linux/utimes.c
parent327e16378980b7ee3ea753c5f763d704658e27c3 (diff)
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Update.
	* sysdeps/unix/sysv/linux/kernel-features.h: Define
	__ASSUME_UTIMES for x86 and kernels > 2.5.75.

	* sysdeps/unix/sysv/linux/futimes.c (__futimes): Handle case with
	second parameter == NULL.
	* sysdeps/unix/sysv/linux/utimes.c: New file.

2003-07-12  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/futimes.c: Include kernel-features.h.
	* sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_UTIMES): Fix
	a typo.

2003-07-12  Ulrich Drepper  <drepper@redhat.com>
Diffstat (limited to 'sysdeps/unix/sysv/linux/utimes.c')
-rw-r--r--sysdeps/unix/sysv/linux/utimes.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/utimes.c b/sysdeps/unix/sysv/linux/utimes.c
new file mode 100644
index 0000000000..57b82f9237
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/utimes.c
@@ -0,0 +1,59 @@
+/* Copyright (C) 1995, 1997, 2000, 2003 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <stddef.h>
+#include <utime.h>
+#include <sys/time.h>
+#include "kernel-features.h"
+
+
+/* Change the access time of FILE to TVP[0] and
+   the modification time of FILE to TVP[1].  */
+int
+__utimes (const char *file, const struct timeval tvp[2])
+{
+#ifdef __NR_utimes
+  int result = INLINE_SYSCALL (utimes, 2, file, tvp);
+# ifndef __ASSUME_UTIMES
+  if (result != -1 || errno != ENOSYS)
+# endif
+    return result;
+#endif
+
+  /* The utimes() syscall does not exist or is not available in the
+     used kernel.  Use utime().  For this we have to convert to the
+     data format utime() expects.  */
+#ifndef __ASSUME_UTIMES
+  struct utimbuf buf;
+  struct utimbuf *times;
+
+  if (tvp != NULL)
+    {
+      times = &buf;
+      buf.actime = tvp[0].tv_sec + tvp[0].tv_usec >= 500000;
+      buf.modtime = tvp[1].tv_sec + tvp[1].tv_usec >= 500000;
+    }
+  else
+    times = NULL;
+
+  return INLINE_SYSCALL (utime, 2, file, times);
+#endif
+}
+
+weak_alias (__utimes, utimes)