hirc

commit ee911b44d6ea7ae2ccb98ce62f009dc8a07d0309
parent c3d76661cbb261590328929253a90157937e2cec
Author: hhvn <dev@hhvn.uk>
Date:   Tue, 30 Nov 2021 17:27:03 +0000

commands.c: stop /topic segfault

Diffstat:
M
commands.c
 | 
8
++++++--

1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/commands.c b/commands.c
@@ -428,8 +428,12 @@ command_topic(struct Server *server, char *str) {
 		}
 	}
 
-	channel = strtok_r(str,  " ", &topic);
-	if (!strchr(support_get(server, "CHANTYPES"), *channel)) {
+	if (str)
+		channel = strtok_r(str,  " ", &topic);
+	else
+		channel = topic = NULL;
+
+	if (channel && !strchr(support_get(server, "CHANTYPES"), *channel)) {
 		topic = channel;
 		channel = NULL;
 	}