klibc - Jan 2019 - [klibc:update-dash] [BUILTIN] Handle -- in dotcmd

Commit-ID:  cf7826f66c01eed24475a140d934b7a75b28d23e
Gitweb:    
http://git.kernel.org/?p=libs/klibc/klibc.git;a=commit;h=cf7826f66c01eed24475a140d934b7a75b28d23e
Author:     Herbert Xu <herbert at gondor.apana.org.au>
AuthorDate: Mon, 27 Oct 2014 16:56:46 +0800
Committer:  Ben Hutchings <ben at decadent.org.uk>
CommitDate: Fri, 25 Jan 2019 02:57:21 +0000

[klibc] [BUILTIN] Handle -- in dotcmd

This patch adds a nextopt call in dotcmd in order to handle --.

Reported-by: Stephane Chazelas <stephane_chazelas at yahoo.fr>
Signed-off-by: Herbert Xu <herbert at gondor.apana.org.au>
Signed-off-by: Ben Hutchings <ben at decadent.org.uk>

---
 usr/dash/main.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/usr/dash/main.c b/usr/dash/main.c
index 00c5e00d..985e8c4e 100644
--- a/usr/dash/main.c
+++ b/usr/dash/main.c
@@ -321,15 +321,19 @@ dotcmd(int argc, char **argv)
 {
 	int status = 0;
 
-	if (argc >= 2) {		/* That's what SVR2 does */
+	nextopt(nullstr);
+	argv = argptr;
+
+	if (*argv) {
 		char *fullname;
 
-		fullname = find_dot_file(argv[1]);
+		fullname = find_dot_file(*argv);
 		setinputfile(fullname, INPUT_PUSH_FILE);
 		commandname = fullname;
 		status = cmdloop(0);
 		popfile();
 	}
+
 	return status;
 }