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authorUlrich Drepper <drepper@redhat.com>2007-05-10 21:44:41 +0000
committerUlrich Drepper <drepper@redhat.com>2007-05-10 21:44:41 +0000
commitc27d2078135ca3df129850f87598660252d6906a (patch)
treeedddcd9deaea803af9290a6bb8b78fd290a5708b /sysdeps/unix/sysv/linux/lutimes.c
parent00afb11fc0a9282d7e2cbc51cd1c65bf1b79a5ae (diff)
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* sysdeps/unix/sysv/linux/powerpc/bits/stat.h: Define UTIME_NOW and
	UTIME_OMIT.
	* sysdeps/unix/sysv/linux/x86_64/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/alpha/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/ia64/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/s390/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/kernel-features.h: Define __ASSUME_UTIMENSAT.
	* io/sys/stat.h: Declare utimensat, futimens.
	* io/utimensat.c: New file.
	* io/futimens.c: New file.
	* sysdeps/unix/sysv/linux/utimensat.c: New file.
	* sysdeps/unix/sysv/linux/futimens.c: New file.
	* io/Makefile (routines): Add utimensat, futimens.
	* io/Versions: Add utimensat, futimens to GLIBC_2.6.
	* sysdeps/unix/sysv/linux/lutimes.c: New file.
	* sysdeps/unix/sysv/linux/futimes.c: Use utimensat syscall if
	available.

	* include/sys/cdefs.h: Redefine __nonnull so that test for
	incorrect parameters in the libc code itself are not omitted.
Diffstat (limited to 'sysdeps/unix/sysv/linux/lutimes.c')
-rw-r--r--sysdeps/unix/sysv/linux/lutimes.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/lutimes.c b/sysdeps/unix/sysv/linux/lutimes.c
new file mode 100644
index 0000000000..7ea91c336a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/lutimes.c
@@ -0,0 +1,59 @@
+/* Change access and/or modification date of file.  Do not follow symbolic
+   links.
+   Copyright (C) 2007 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 <fcntl.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sysdep.h>
+#include <kernel-features.h>
+
+
+int
+lutimes (const char *file, const struct timeval tvp[2])
+{
+#ifdef __NR_utimensat
+  /* The system call espects 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)
+	{
+	  __set_errno (EINVAL);
+	  return -1;
+	}
+
+      TIMEVAL_TO_TIMESPEC (&tvp[0], &ts[0]);
+      TIMEVAL_TO_TIMESPEC (&tvp[1], &ts[1]);
+    }
+
+  return INLINE_SYSCALL (utimensat, 4, AT_FDCWD, file, tvp ? ts : NULL,
+  			 AT_SYMLINK_NOFOLLOW);
+#else
+  __set_errno (ENOSYS);
+  return -1;
+#endif
+}
+
+#ifndef __NR_utimensat
+stub_warning (lutimes)
+# include <stub-tag.h>
+#endif