From: Magnus Jacobsson <magnus.jacobsson@berotec.se>
Date: Sat, 3 Oct 2020 14:04:44 +0000 (+0200)
Subject: Show usage and exit non-zero for unsupported option in lib/pack/ptest.c
X-Git-Tag: 2.46.0~20^2^2~47^2~18
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=663a92b8ba330a1be301601655772532f663f69f;p=graphviz

Show usage and exit non-zero for unsupported option in lib/pack/ptest.c

Towards https://gitlab.com/graphviz/graphviz/-/issues/1843.
---

diff --git a/lib/pack/ptest.c b/lib/pack/ptest.c
index fb3deddf4..83d9a3d07 100644
--- a/lib/pack/ptest.c
+++ b/lib/pack/ptest.c
@@ -86,9 +86,11 @@ static void init(int argc, char *argv[])
 	case '?':
 	    if (optopt == '?')
 		usage(0);
-	    else
+	    else {
 		fprintf(stderr,
-			"ptest: option -%c unrecognized - ignored\n", c);
+			"ptest: option -%c unrecognized\n", c);
+		usage(1);
+	    }
 	    break;
 	}
     }