* 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.

5 files changed, 171 insertions, 3 deletions

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)