From: Magnus Jacobsson <Magnus.Jacobsson@berotec.se>
Date: Tue, 20 Oct 2020 06:28:21 +0000 (+0200)
Subject: Fix edgepaint -? to actually print usage instead of error on macOS
X-Git-Tag: 2.46.0~20^2^2~15^2~19
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b79b8e722028ee8b28990a998ff3ecae4a5252c5;p=graphviz

Fix edgepaint -? to actually print usage instead of error on macOS

Towards https://gitlab.com/graphviz/graphviz/-/issues/1852.
---

diff --git a/cmd/edgepaint/edgepaintmain.c b/cmd/edgepaint/edgepaintmain.c
index 18ab2ec58..3473faab4 100644
--- a/cmd/edgepaint/edgepaintmain.c
+++ b/cmd/edgepaint/edgepaintmain.c
@@ -180,7 +180,7 @@ static void init(int argc, char *argv[], real *angle, real *accuracy, char **inf
       outfile = openFile(optarg, "w", CmdName);
       break;
     case '?':
-      if (optopt == '\0')
+      if (optopt == '\0' || optopt == '?')
 	usage(cmd, 0);
       else {
 	fprintf(stderr, "option -%c unrecognized\n",