From 272b1fc57a4b4e4be0e0bf4a68996a35f886757a Mon Sep 17 00:00:00 2001
From: proski <proski@69ca8d6d-28ef-0310-b511-8ec308f3f277>
Date: Thu, 15 Jun 2000 18:04:40 +0000
Subject: ln: fixed command line parser. Added support for "--"

git-svn-id: svn://busybox.net/trunk/busybox@651 69ca8d6d-28ef-0310-b511-8ec308f3f277
---
 ln.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

(limited to 'ln.c')

diff --git a/ln.c b/ln.c
index d4fa47306..634c9905d 100644
--- a/ln.c
+++ b/ln.c
@@ -51,16 +51,14 @@ extern int ln_main(int argc, char **argv)
 {
 	char *linkName;
 	int linkIntoDirFlag;
+	int stopIt = FALSE;
 
-	if (argc < 3) {
-		usage(ln_usage);
-	}
 	argc--;
 	argv++;
 
 	/* Parse any options */
-	while (--argc >= 0 && *argv && **argv) {
-		while (**argv == '-') {
+	while (argc > 0 && stopIt == FALSE) {
+		if (**argv == '-') {
 			while (*++(*argv))
 				switch (**argv) {
 					case 's':
@@ -72,15 +70,21 @@ extern int ln_main(int argc, char **argv)
 					case 'n':
 						followLinks = FALSE;
 						break;
+					case '-':
+						stopIt = TRUE;
+						break;
 					default:
 						usage(ln_usage);
 				}
+			argc--;
+			argv++;
 		}
-		argv++;
+		else
+			break;
 	}
 
-	if (argc < 1) {
-		fatalError("ln: missing file argument\n");
+	if (argc < 2) {
+		usage(ln_usage);
 	}
 
 	linkName = argv[argc - 1];
-- 
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