[PATCH] Ignore touch -f flag

[Tobias Poschwatta]

Hi all,

below is a small patch to make 'touch' accept and ignore the -f flag.
(-f is ignored by coreutils touch, too). I stumbled over this when
trying to bootstrap pkgsrc on a uclibc/busybox system (which now
succeeds).

Tobias

--- busybox-1.8.1/coreutils/touch.c.orig	2007-11-24 19:07:42.000000000 +0100
+++ busybox-1.8.1/coreutils/touch.c	2007-11-24 19:11:12.000000000 +0100
@@ -21,12 +21,15 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
+#define TOUCH_OPT_NOCREATE 1
+#define TOUCH_OPT_F        2
+
 int touch_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int touch_main(int argc, char **argv)
 {
 	int fd;
 	int status = EXIT_SUCCESS;
-	int flags = getopt32(argv, "c");
+	int flags = getopt32(argv, "cf");
 
 	argv += optind;
 
@@ -37,7 +40,7 @@
 	do {
 		if (utime(*argv, NULL)) {
 			if (errno == ENOENT) {	/* no such file */
-				if (flags) {	/* Creation is disabled, so ignore. */
+				if (flags & TOUCH_OPT_NOCREATE) { /* Creation is disabled, so ignore. */
 					continue;
 				}
 				/* Try to create the file. */