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-rw-r--r--daemon/utimens.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/daemon/utimens.c b/daemon/utimens.c
new file mode 100644
index 00000000..2d0e3bfc
--- /dev/null
+++ b/daemon/utimens.c
@@ -0,0 +1,81 @@
+/* libguestfs - the guestfsd daemon
+ * Copyright (C) 2009 Red Hat Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+#include "../src/guestfs_protocol.h"
+#include "daemon.h"
+#include "actions.h"
+
+int
+do_utimens (const char *path,
+ int64_t atsecs, int64_t atnsecs,
+ int64_t mtsecs, int64_t mtnsecs)
+{
+#ifndef HAVE_FUTIMENS
+ reply_with_error ("utimens: not supported in this appliance");
+ return -1;
+#else
+ int fd;
+ int r;
+
+ CHROOT_IN;
+ fd = open (path, O_WRONLY | O_NOCTTY);
+ CHROOT_OUT;
+
+ if (fd == -1) {
+ reply_with_perror ("open: %s", path);
+ return -1;
+ }
+
+ if (atnsecs == -1)
+ atnsecs = UTIME_NOW;
+ if (atnsecs == -2)
+ atnsecs = UTIME_OMIT;
+ if (mtnsecs == -1)
+ mtnsecs = UTIME_NOW;
+ if (mtnsecs == -2)
+ mtnsecs = UTIME_OMIT;
+
+ struct timespec times[2];
+ times[0].tv_sec = atsecs;
+ times[0].tv_nsec = atnsecs;
+ times[1].tv_sec = mtsecs;
+ times[1].tv_nsec = mtnsecs;
+
+ r = futimens (fd, times);
+ if (r == -1) {
+ reply_with_perror ("futimens: %s", path);
+ close (fd);
+ return -1;
+ }
+
+ if (close (fd) == -1) {
+ reply_with_perror ("close: %s", path);
+ return -1;
+ }
+
+ return 0;
+#endif /* HAVE_FUTIMENS */
+}