From: Magnus Jacobsson <magnus.jacobsson@berotec.se>
Date: Sun, 4 Oct 2020 18:53:14 +0000 (+0200)
Subject: Explicitly specify -? as an option in gvmap
X-Git-Tag: 2.46.0~20^2^2~47^2~10
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=68349cc8238902a288417df024d89c4947d18cb5;p=graphviz

Explicitly specify -? as an option in gvmap
---

diff --git a/cmd/gvmap/gvmap.c b/cmd/gvmap/gvmap.c
index 9a64c779b..5fa4c934e 100644
--- a/cmd/gvmap/gvmap.c
+++ b/cmd/gvmap/gvmap.c
@@ -254,7 +254,7 @@ init(int argc, char **argv, params_t* pm)
   pm->bbox_margin[0] =  pm->bbox_margin[1] = 0;
 
   opterr = 0;
-  while ((c = getopt(argc, argv, ":evODQko:m:s:r:p:c:C:l:b:g:t:a:h:z:d:")) != -1) {
+  while ((c = getopt(argc, argv, ":evODQko:m:s:r:p:c:C:l:b:g:t:a:h:z:d:?")) != -1) {
     switch (c) {
     case 'm':
       if ((sscanf(optarg,"%lf",&s) > 0) && (s != 0)){
@@ -389,7 +389,7 @@ init(int argc, char **argv, params_t* pm)
       fprintf(stderr, "gvpack: option -%c missing argument - ignored\n", optopt);
       break;
     case '?':
-      if (optopt == '?')
+      if (optopt == '\0')
         usage(cmd, 0);
       else {
         fprintf(stderr, " option -%c unrecognized\n", optopt);