1 files changed, 63 insertions, 0 deletions
diff --git a/coreutils/touch.c b/coreutils/touch.c
new file mode 100644
index 000000000..e1af7d0dc
--- /dev/null
+++ b/coreutils/touch.c
@@ -0,0 +1,63 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini touch implementation for busybox
+ *
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+/* 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"
+
+int touch_main(int argc, char **argv)
+{
+	int fd;
+	int flags;
+	int status = EXIT_SUCCESS;
+
+	flags = getopt32(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;
+}