[src/trunk]: src add utimens and lutimens wrappers using utimensat.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/adceb0e3fa0e
branches:  trunk
changeset: 782470:adceb0e3fa0e
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Nov 03 19:39:21 2012 +0000

description:
add utimens and lutimens wrappers using utimensat.

diffstat:

 lib/libc/gen/Makefile.inc |   6 ++--
 lib/libc/gen/utimens.c    |  53 +++++++++++++++++++++++++++++++++++++++++++++++
 lib/libc/sys/utimes.2     |  23 +++++++++++++++++--
 sys/sys/stat.h            |   6 ++++-
 4 files changed, 81 insertions(+), 7 deletions(-)

diffs (165 lines):

diff -r b4ab8bb59397 -r adceb0e3fa0e lib/libc/gen/Makefile.inc
--- a/lib/libc/gen/Makefile.inc Sat Nov 03 19:26:52 2012 +0000
+++ b/lib/libc/gen/Makefile.inc Sat Nov 03 19:39:21 2012 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile.inc,v 1.184 2012/04/12 22:08:32 christos Exp $
+#      $NetBSD: Makefile.inc,v 1.185 2012/11/03 19:39:21 christos Exp $
 #      from: @(#)Makefile.inc  8.6 (Berkeley) 5/4/95
 
 # gen sources
@@ -29,8 +29,8 @@
        sigset.c sigsetops.c sleep.c \
        stringlist.c sysconf.c sysctl.c sysctlbyname.c sysctlgetmibinfo.c \
        sysctlnametomib.c syslog.c telldir.c time.c \
-       times.c toascii.c tolower_.c ttyname.c ttyslot.c \
-       toupper_.c ualarm.c ulimit.c uname.c unvis.c usleep.c utime.c utmp.c \
+       times.c toascii.c tolower_.c ttyname.c ttyslot.c toupper_.c ualarm.c \
+       ulimit.c uname.c unvis.c usleep.c utime.c utimens.c utmp.c \
        utmpx.c valloc.c vis.c wait.c wait3.c waitpid.c warn.c warnx.c \
        vwarn.c vwarnx.c verr.c verrx.c wordexp.c
 
diff -r b4ab8bb59397 -r adceb0e3fa0e lib/libc/gen/utimens.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/libc/gen/utimens.c    Sat Nov 03 19:39:21 2012 +0000
@@ -0,0 +1,53 @@
+/*     $NetBSD: utimens.c,v 1.1 2012/11/03 19:39:21 christos Exp $     */
+
+/*-
+ * Copyright (c) 2012 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Christos Zoulas.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#if defined(LIBC_SCCS) && !defined(lint)
+__RCSID("$NetBSD: utimens.c,v 1.1 2012/11/03 19:39:21 christos Exp $");
+#endif /* LIBC_SCCS and not lint */
+
+#include "namespace.h"
+
+#define _INCOMPLETE_XOPEN_C063
+#include <fcntl.h>
+#include <sys/stat.h>
+
+int
+utimens(const char *path, const struct timespec *times)
+{
+       return utimensat(AT_FDCWD, path, times, 0);
+}
+
+int
+lutimens(const char *path, const struct timespec *times)
+{
+       return utimensat(AT_FDCWD, path, times, AT_SYMLINK_NOFOLLOW);
+}
diff -r b4ab8bb59397 -r adceb0e3fa0e lib/libc/sys/utimes.2
--- a/lib/libc/sys/utimes.2     Sat Nov 03 19:26:52 2012 +0000
+++ b/lib/libc/sys/utimes.2     Sat Nov 03 19:39:21 2012 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: utimes.2,v 1.30 2011/10/25 09:26:53 wiz Exp $
+.\"    $NetBSD: utimes.2,v 1.31 2012/11/03 19:39:21 christos Exp $
 .\"
 .\" Copyright (c) 1990, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -36,6 +36,8 @@
 .Nm utimes ,
 .Nm lutimes ,
 .Nm futimes ,
+.Nm utimens ,
+.Nm lutimens ,
 .Nm futimens ,
 .Nm utimensat
 .Nd set file access and modification times
@@ -48,6 +50,10 @@
 .Ft int
 .Fn lutimes "const char *path" "const struct timeval times[2]"
 .Ft int
+.Fn utimens "const char *path" "const struct timeval times[2]"
+.Ft int
+.Fn lutimens "const char *path" "const struct timeval times[2]"
+.Ft int
 .Fn futimes "int fd" "const struct timeval times[2]"
 .Ft int
 .Fn futimens "int fd" "const struct timespec times[2]"
@@ -100,10 +106,17 @@
 .Fn utimes
 changes the times of the file the link references.
 .Pp
+.Fn utimens ,
+.Fn lutimens ,
+and
 .Fn futimens
 is like
+.Fn utimes ,
+.Fn lutimes ,
+and
 .Fn futimes
-except that time is specified with nanosecond instead of microseconds.
+respectively except that time is specified with nanosecond instead of
+microsecond precision.
 .Pp
 .Fn utimensat
 also allows time to be specifed with nanoseconds.
@@ -117,7 +130,9 @@
 the symbolic link's dates are changed.
 .Pp
 The nanosecond fields for
-.Fn futimens
+.Fn utimens ,
+.Fn lutimens ,
+.Fn futimens ,
 and
 .Fn utimensat
 can be set to the special value
@@ -143,6 +158,8 @@
 .Sh ERRORS
 .Fn utimes ,
 .Fn lutimes ,
+.Fn utimens ,
+.Fn lutimens ,
 and
 .Fn utimensat
 will fail if:
diff -r b4ab8bb59397 -r adceb0e3fa0e sys/sys/stat.h
--- a/sys/sys/stat.h    Sat Nov 03 19:26:52 2012 +0000
+++ b/sys/sys/stat.h    Sat Nov 03 19:39:21 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: stat.h,v 1.63 2011/09/04 10:02:33 christos Exp $       */
+/*     $NetBSD: stat.h,v 1.64 2012/11/03 19:39:21 christos Exp $       */
 
 /*-
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -249,6 +249,10 @@
 int     utimensat(int, const char *, const struct timespec *, int);
 #endif
 
+#ifdef _NETBSD_SOURCE
+int utimens(const char *, const struct timespec *);
+int lutimens(const char *, const struct timespec *);
+#endif
 int futimens(int, const struct timespec *);
 #endif