scc

commit d61e762f242feac5d89b935b9bf591d0daf986d3
parent 941eee05b2a817286159b9470c683cebd27f2345
Author: Quentin Rameau <quinq@fifth.space>
Date:   Wed,  1 Jun 2016 19:51:04 +0200

[driver] update usage, exit when exclusive flags given

Diffstat:
M
driver/posix/scc.c
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/driver/posix/scc.c b/driver/posix/scc.c
@@ -194,7 +194,7 @@ build(char *file)
 static void
 usage(void)
 {
-	die("usage: %s [-m arch] input ...");
+	die("usage: %s [-E|-kS] [-m arch] input ...", argv0);
 }
 
 int
@@ -228,6 +228,9 @@ main(int argc, char *argv[])
 		usage();
 	} ARGEND
 
+	if (Eflag && (Sflag || kflag))
+		usage();
+
 	if (!argc)
 		die("scc: fatal error: no input files");