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Diffstat (limited to 'release/src/router/busybox/coreutils/touch.c')
-rw-r--r--release/src/router/busybox/coreutils/touch.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/release/src/router/busybox/coreutils/touch.c b/release/src/router/busybox/coreutils/touch.c
new file mode 100644
index 00000000..3d780e16
--- /dev/null
+++ b/release/src/router/busybox/coreutils/touch.c
@@ -0,0 +1,76 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini touch implementation for busybox
+ *
+ * Copyright (C) 1999-2003 by Erik Andersen <andersen@codepoet.org>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/* BB_AUDIT SUSv3 _NOT_ compliant -- options -a, -m, -r, -t not supported. */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/touch.html */
+
+/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
+ *
+ * Previous version called open() and then utime(). While this will be
+ * be necessary to implement -r and -t, it currently only makes things bigger.
+ * Also, exiting on a failure was a bug. All args should be processed.
+ */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <utime.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include "busybox.h"
+
+extern int touch_main(int argc, char **argv)
+{
+ int fd;
+ int flags;
+ int status = EXIT_SUCCESS;
+
+ flags = bb_getopt_ulflags(argc, argv, "c");
+
+ argv += optind;
+
+ if (!*argv) {
+ bb_show_usage();
+ }
+
+ do {
+ if (utime(*argv, NULL)) {
+ if (errno == ENOENT) { /* no such file*/
+ if (flags & 1) { /* Creation is disabled, so ignore. */
+ continue;
+ }
+ /* Try to create the file. */
+ fd = open(*argv, O_RDWR | O_CREAT,
+ S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH
+ );
+ if ((fd >= 0) && !close(fd)) {
+ continue;
+ }
+ }
+ status = EXIT_FAILURE;
+ bb_perror_msg("%s", *argv);
+ }
+ } while (*++argv);
+
+ return status;
+}