From a0f7e71d412325925a8d1c691742a836c32ba840 Mon Sep 17 00:00:00 2001
From: Giacomo Tesio <giacomo@tesio.it>
Date: Fri, 11 Aug 2017 02:10:02 +0200
Subject: [PATCH] rc: do not mess up argv

---
 sys/src/cmd/rc/exec.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sys/src/cmd/rc/exec.c b/sys/src/cmd/rc/exec.c
index 756f5f7..5ff4494 100644
--- a/sys/src/cmd/rc/exec.c
+++ b/sys/src/cmd/rc/exec.c
@@ -143,9 +143,11 @@ void
 main(int argc, char *argv[])
 {
 	code bootstrap[17];
-	char num[12], *rcmain;
+	char num[12], *rcmain, **argvcopy;
 	int i;
-	argc = getflags(argc, argv, "SsrdiIlxepvVc:1m:1[command]", 1);
+	argvcopy = mallocz(sizeof(char*)*(argc+1), 1);
+	memmove(argvcopy, argv, argc*sizeof(char*));
+	argc = getflags(argc, argvcopy, "SsrdiIlxepvVc:1m:1[command]", 1);
 	if(argc==-1)
 		usage("[file [arg ...]]");
 	if(argv[0][0]=='-')