From: Magnus Jacobsson <magnus.jacobsson@berotec.se>
Date: Fri, 2 Oct 2020 13:02:46 +0000 (+0200)
Subject: Show usage and exit non-zero for unsupported option in gvmap
X-Git-Tag: 2.46.0~20^2^2~47^2~32
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d30dcb835d36d999d3eee3014ab55189d0f77d11;p=graphviz

Show usage and exit non-zero for unsupported option in gvmap

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

diff --git a/cmd/gvmap/gvmap.c b/cmd/gvmap/gvmap.c
index 66429e77b..9a64c779b 100644
--- a/cmd/gvmap/gvmap.c
+++ b/cmd/gvmap/gvmap.c
@@ -392,8 +392,8 @@ init(int argc, char **argv, params_t* pm)
       if (optopt == '?')
         usage(cmd, 0);
       else {
-        fprintf(stderr, " option -%c unrecognized - ignored\n", optopt);
-        usage(cmd, 0);
+        fprintf(stderr, " option -%c unrecognized\n", optopt);
+        usage(cmd, 1);
       }
       break;
     }