From 193dc14edbaa2b6a243754aec53939aa6aeb7cfd Mon Sep 17 00:00:00 2001
From: Magnus Jacobsson <magnus.jacobsson@berotec.se>
Date: Sun, 4 Oct 2020 20:50:53 +0200
Subject: [PATCH] Explicitly specify -? as an option in gc
---
cmd/tools/gc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/cmd/tools/gc.c b/cmd/tools/gc.c
index 840fbb5f6..cafe39d3f 100644
--- a/cmd/tools/gc.c
+++ b/cmd/tools/gc.c
@@ -89,7 +89,7 @@ static void init(int argc, char *argv[])
unsigned int c;
opterr = 0;
- while ((c = getopt(argc, argv, "necCaDUrsv")) != -1) {
+ while ((c = getopt(argc, argv, "necCaDUrsv?")) != -1) {
switch (c) {
case 'e':
flags |= EDGES;
@@ -123,7 +123,7 @@ static void init(int argc, char *argv[])
gtype = UNDIRECTED;
break;
case '?':
- if (optopt == '?')
+ if (optopt == '\0')
usage(0);
else {
fprintf(stderr, "gc: option -%c unrecognized\n",
--
2.40.0