From: Magnus Jacobsson <magnus.jacobsson@berotec.se>
Date: Fri, 2 Oct 2020 12:56:10 +0000 (+0200)
Subject: Show usage and exit non-zero for unsupported option in edgepaint
X-Git-Tag: 2.46.0~20^2^2~47^2~35
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=481c59dfad9dc6fb29eaf338d357d28ce0a4a98f;p=graphviz

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

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

diff --git a/cmd/edgepaint/edgepaintmain.c b/cmd/edgepaint/edgepaintmain.c
index af63bb994..18ab2ec58 100644
--- a/cmd/edgepaint/edgepaintmain.c
+++ b/cmd/edgepaint/edgepaintmain.c
@@ -182,9 +182,11 @@ static void init(int argc, char *argv[], real *angle, real *accuracy, char **inf
     case '?':
       if (optopt == '\0')
 	usage(cmd, 0);
-      else
-	fprintf(stderr, "option -%c unrecognized - ignored\n",
+      else {
+	fprintf(stderr, "option -%c unrecognized\n",
 		optopt);
+	usage(cmd, 1);
+      }
       break;
     }
   }