From 08de34ac0165ebafd0788b57a39554e33b27e645 Mon Sep 17 00:00:00 2001
From: "Tim J. Robbins" <tjr@FreeBSD.org>
Date: Thu, 13 Jun 2002 08:07:20 +0000
Subject: [PATCH] Support the "--" end of options marker, useful to
 disambiguate between signal numbers and process groups (negative pid
 arguments), and required by SUSv3.

---
 bin/kill/kill.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/bin/kill/kill.c b/bin/kill/kill.c
index 48198c82e5d3..865c9db426b3 100644
--- a/bin/kill/kill.c
+++ b/bin/kill/kill.c
@@ -103,7 +103,7 @@ main(int argc, char *argv[])
 		} else
 			numsig = 0;
 		argc--, argv++;
-	} else if (**argv == '-') {
+	} else if (**argv == '-' && *(*argv + 1) != '-') {
 		++*argv;
 		if (isalpha(**argv)) {
 			if ((numsig = signame_to_signum(*argv)) < 0)
@@ -119,6 +119,9 @@ main(int argc, char *argv[])
 		argc--, argv++;
 	}
 
+	if (argc > 0 && strncmp(*argv, "--", 2) == 0)
+		argc--, argv++;
+
 	if (argc == 0)
 		usage();