* time/sys/time.h [__USE_BSD] (lutimes, futimes): Declare them.

	* manual/filesys.texi (File Times): Document lutimes and futimes.
	* misc/Makefile (routines): Add them.
	* misc/Versions (libc: GLIBC_2.3): Likewise.
	* sysdeps/generic/lutimes.c: New file.
	* sysdeps/generic/futimes.c: New file.
	* sysdeps/mach/hurd/lutimes.c: New file.
	* sysdeps/mach/hurd/futimes.c: New file.

	* manual/filesys.texi (File Times): Add explicit note about null
	pointer argument to utimes.

2002-08-26  Roland McGrath  <roland@frob.com>

	* sysdeps/mach/hurd/ifreq.h (__if_freereq): Add missing semicolon.
	(__ifreq): Add a cast.  Remove an unused variable.

	* hurd/hurd/threadvar.h (enum __hurd_threadvar_index): Add
	_HURD_THREADVAR_LOCALE.

10 files changed, 260 insertions, 8 deletions

diff --git a/ChangeLog b/ChangeLog
index f0d019d..560f64a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,25 @@
+2002-08-26  Roland McGrath  <roland@redhat.com>
+
+	* time/sys/time.h [__USE_BSD] (lutimes, futimes): Declare them.
+	* manual/filesys.texi (File Times): Document lutimes and futimes.
+	* misc/Makefile (routines): Add them.
+	* misc/Versions (libc: GLIBC_2.3): Likewise.
+	* sysdeps/generic/lutimes.c: New file.
+	* sysdeps/generic/futimes.c: New file.
+	* sysdeps/mach/hurd/lutimes.c: New file.
+	* sysdeps/mach/hurd/futimes.c: New file.
+
+	* manual/filesys.texi (File Times): Add explicit note about null
+	pointer argument to utimes.
+
+2002-08-26  Roland McGrath  <roland@frob.com>
+
+	* sysdeps/mach/hurd/ifreq.h (__if_freereq): Add missing semicolon.
+	(__ifreq): Add a cast.  Remove an unused variable.
+
+	* hurd/hurd/threadvar.h (enum __hurd_threadvar_index): Add
+	_HURD_THREADVAR_LOCALE.
+
 2002-08-26  Jakub Jelinek  <jakub@redhat.com>
 
 	* posix/regexec.c (re_search_stub): Return correct match length
diff --git a/manual/filesys.texi b/manual/filesys.texi
index 0f12746..8aeea93 100644
--- a/manual/filesys.texi
+++ b/manual/filesys.texi
@@ -2722,12 +2722,61 @@ in the header file @file{sys/time.h}.
 This function sets the file access and modification times of the file
 @var{filename}.  The new file access time is specified by
 @code{@var{tvp}[0]}, and the new modification time by
-@code{@var{tvp}[1]}.  This function comes from BSD.
+@code{@var{tvp}[1]}.  Similar to @code{utime}, if @var{tvp} is a null
+pointer then the access and modification times of the file are set to
+the current time.  This function comes from BSD.
 
 The return values and error conditions are the same as for the @code{utime}
 function.
 @end deftypefun
 
+@comment sys/time.h
+@comment BSD
+@deftypefun int lutimes (const char *@var{filename}, struct timeval @var{tvp}@t{[2]})
+This function is like @code{utimes}, except that it does not follow
+symbolic links.  If @var{filename} is the name of a symbolic link,
+@code{lutimes} sets the file access and modification times of the
+symbolic link special file itself (as seen by @code{lstat};
+@pxref{Symbolic Links}) while @code{utimes} sets the file access and
+modification times of the file the symbolic link refers to.  This
+function comes from FreeBSD, and is not available on all platforms (if
+not available, it will fail with @code{ENOSYS}).
+
+The return values and error conditions are the same as for the @code{utime}
+function.
+@end deftypefun
+
+@comment sys/time.h
+@comment BSD
+@deftypefun int futimes (int *@var{fd}, struct timeval @var{tvp}@t{[2]})
+This function is like @code{utimes}, except that it takes an open file
+descriptor as an argument instead of a file name.  @xref{Low-Level
+I/O}.  This function comes from FreeBSD, and is not available on all
+platforms (if not available, it will fail with @code{ENOSYS}).
+
+Like @code{utimes}, @code{futimes} returns @code{0} on success and @code{-1}
+on failure.  The following @code{errno} error conditions are defined for
+@code{futimes}:
+
+@table @code
+@item EACCES
+There is a permission problem in the case where a null pointer was
+passed as the @var{times} argument.  In order to update the time stamp on
+the file, you must either be the owner of the file, have write
+permission for the file, or be a privileged user.
+
+@item EBADF
+The @var{filedes} argument is not a valid file descriptor.
+
+@item EPERM
+If the @var{times} argument is not a null pointer, you must either be
+the owner of the file or be a privileged user.
+
+@item EROFS
+The file lives on a read-only file system.
+@end table
+@end deftypefun
+
 @node File Size
 @subsection File Size
 
diff --git a/misc/Makefile b/misc/Makefile
index b9c5ee6..ce037ba 100644
--- a/misc/Makefile
+++ b/misc/Makefile
@@ -47,7 +47,7 @@ routines := brk sbrk sstk ioctl \
 	    gtty stty \
 	    ptrace \
 	    fstab mntent mntent_r \
-	    utimes \
+	    utimes lutimes futimes \
 	    truncate ftruncate truncate64 ftruncate64 \
 	    chflags fchflags \
 	    insremque getttyent getusershell getpass ttyslot \
diff --git a/misc/Versions b/misc/Versions
index 477b1b0..08834ca 100644
--- a/misc/Versions
+++ b/misc/Versions
@@ -111,6 +111,7 @@ libc {
   GLIBC_2.3 {
     # f*
     fgetxattr; flistxattr; fremovexattr; fsetxattr;
+    futimes;
 
     # g*
     getxattr;
@@ -118,6 +119,7 @@ libc {
     # l*
     listxattr;
     lgetxattr; llistxattr; lremovexattr; lsetxattr;
+    lutimes;
 
     # r*
     removexattr;
diff --git a/sysdeps/generic/futimes.c b/sysdeps/generic/futimes.c
new file mode 100644
index 0000000..3378dbf
--- /dev/null
+++ b/sysdeps/generic/futimes.c
@@ -0,0 +1,34 @@
+/* futimes -- change access and modification times of open file.  Stub version.
+   Copyright (C) 2002 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 <sys/time.h>
+#include <errno.h>
+
+/* Change the access time of FILE to TVP[0] and
+   the modification time of FILE to TVP[1], but do not follow symlinks.  */
+int
+__futimes (int fd, const struct timeval tvp[2])
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+weak_alias (__futimes, futimes)
+
+stub_warning (futimes)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/lutimes.c b/sysdeps/generic/lutimes.c
new file mode 100644
index 0000000..34fc183
--- /dev/null
+++ b/sysdeps/generic/lutimes.c
@@ -0,0 +1,35 @@
+/* lutimes -- change access and modification times of a symlink.  Stub version.
+   Copyright (C) 2002 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 <sys/time.h>
+#include <errno.h>
+#include <stddef.h>
+
+/* Change the access time of FILE to TVP[0] and
+   the modification time of FILE to TVP[1], but do not follow symlinks.  */
+int
+__lutimes (const char *file, const struct timeval tvp[2])
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+weak_alias (__lutimes, lutimes)
+
+stub_warning (lutimes)
+#include <stub-tag.h>
diff --git a/sysdeps/mach/hurd/futimes.c b/sysdeps/mach/hurd/futimes.c
new file mode 100644
index 0000000..ca687b8
--- /dev/null
+++ b/sysdeps/mach/hurd/futimes.c
@@ -0,0 +1,47 @@
+/* futimes -- change access and modification times of open file.  Hurd version.
+   Copyright (C) 2002 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 <sys/time.h>
+#include <errno.h>
+#include <stddef.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+
+/* Change the access time of FD to TVP[0] and
+   the modification time of FD to TVP[1].  */
+int
+__futimes (int fd, const struct timeval tvp[2])
+{
+  struct timeval timevals[2];
+  error_t err;
+
+  if (tvp == NULL)
+    {
+      /* Setting the number of microseconds to `-1' tells the
+         underlying filesystems to use the current time.  */
+      timevals[1].tv_usec = timevals[0].tv_usec = (time_t)-1;
+      tvp = timevals;
+    }
+
+  err = HURD_DPORT_USE (fd, __file_utimes (port,
+					   *(time_value_t *) &tvp[0],
+					   *(time_value_t *) &tvp[1]));
+  return err ? __hurd_dfail (fd, err) : 0;
+}
+weak_alias (__futimes, futimes)
diff --git a/sysdeps/mach/hurd/ifreq.h b/sysdeps/mach/hurd/ifreq.h
index 737dee9..f2143d8 100644
--- a/sysdeps/mach/hurd/ifreq.h
+++ b/sysdeps/mach/hurd/ifreq.h
@@ -27,7 +27,6 @@
 static inline void
 __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd)
 {
-  struct ifconf ifc;
   file_t server;
 
   server = _hurd_socket_server (PF_INET, 0);
@@ -49,7 +48,7 @@ __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd)
 	  server = _hurd_socket_server (PF_INET, 1);
 	  if (server == MACH_PORT_NULL)
 	    goto out;
-	  err = __pfinet_siocgifconf (server, -1, ifreqs, &len);
+	  err = __pfinet_siocgifconf (server, -1, (data_t *) ifreqs, &len);
 	}
       if (err)
 	goto out;
@@ -70,5 +69,5 @@ __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd)
 static inline void
 __if_freereq (struct ifreq *ifreqs, int num_ifs)
 {
-  munmap (ifreqs, num_ifs * sizeof (struct ifreq))
+  __munmap (ifreqs, num_ifs * sizeof (struct ifreq));
 }
diff --git a/sysdeps/mach/hurd/lutimes.c b/sysdeps/mach/hurd/lutimes.c
new file mode 100644
index 0000000..cf89d88
--- /dev/null
+++ b/sysdeps/mach/hurd/lutimes.c
@@ -0,0 +1,53 @@
+/* lutimes -- change access and modification times of a symlink.  Hurd version.
+   Copyright (C) 2002 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 <sys/time.h>
+#include <errno.h>
+#include <stddef.h>
+#include <hurd.h>
+#include <fcntl.h>
+
+/* Change the access time of FILE to TVP[0] and
+   the modification time of FILE to TVP[1].  */
+int
+__lutimes (const char *file, const struct timeval tvp[2])
+{
+  struct timeval timevals[2];
+  error_t err;
+  file_t port;
+
+  if (tvp == NULL)
+    {
+      /* Setting the number of microseconds to `-1' tells the
+         underlying filesystems to use the current time.  */
+      timevals[1].tv_usec = timevals[0].tv_usec = (time_t)-1;
+      tvp = timevals;
+    }
+
+  port = __file_name_lookup (file, O_NOLINK, 0);
+  if (port == MACH_PORT_NULL)
+    return -1;
+  err = __file_utimes (port,
+		       *(time_value_t *) &tvp[0], *(time_value_t *) &tvp[1]);
+  __mach_port_deallocate (__mach_task_self (), port);
+  if (err)
+    return __hurd_fail (err);
+  return 0;
+}
+weak_alias (__lutimes, lutimes)
diff --git a/time/sys/time.h b/time/sys/time.h
index f051d58..0597551 100644
--- a/time/sys/time.h
+++ b/time/sys/time.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1991-1994,96,97,98,99,2000,2001 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1994,96,97,98,99,2000,01,02
+   	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
@@ -132,11 +133,21 @@ extern int setitimer (__itimer_which_t __which,
 		      __const struct itimerval *__restrict __new,
 		      struct itimerval *__restrict __old) __THROW;
 
-/* Change the access time of FILE to TVP[0] and
-   the modification time of FILE to TVP[1].  */
+/* Change the access time of FILE to TVP[0] and the modification time of
+   FILE to TVP[1].  If TVP is a null pointer, use the current time instead.
+   Returns 0 on success, -1 on errors.  */
 extern int utimes (__const char *__file, __const struct timeval __tvp[2])
      __THROW;
 
+#ifdef __USE_BSD
+/* Same as `utimes', but does not follow symbolic links.  */
+extern int lutimes (__const char *__file, __const struct timeval __tvp[2])
+     __THROW;
+
+/* Same as `utimes', but takes an open file descriptor instead of a name.  */
+extern int futimes (int fd, __const struct timeval __tvp[2]) __THROW;
+#endif
+
 
 #ifdef __USE_BSD
 /* Convenience macros for operations on timevals.