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authorJune McEnroe <june@causal.agency>2021-06-10 15:05:15 -0400
committerJune McEnroe <june@causal.agency>2021-06-10 15:05:15 -0400
commit423b67d02582275a08b53fd7a9eceb9bc25fd81b (patch)
tree8c49ca8b31261131f75ecde489203827df6d0acc
parentUse seprintf for snip, removing strlcpyn (diff)
downloadpounce-423b67d02582275a08b53fd7a9eceb9bc25fd81b.tar.gz
pounce-423b67d02582275a08b53fd7a9eceb9bc25fd81b.zip
Stop accumulating ISUPPORT tokens once MOTD starts
This avoids duplicating tokens when a client sends VERSION and the
server responds with its 005s again.
-rw-r--r--state.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/state.c b/state.c
index 6b26589..85d921a 100644
--- a/state.c
+++ b/state.c
@@ -205,6 +205,7 @@ static void handleReplyMyInfo(struct Message *msg) {
 }
 
 static struct {
+	bool done;
 	char **tokens;
 	size_t cap, len;
 } support;
@@ -222,12 +223,18 @@ static void supportAdd(const char *token) {
 
 static void handleReplyISupport(struct Message *msg) {
 	require(msg, false, 1);
+	if (support.done) return;
 	for (size_t i = 1; i < ParamCap; ++i) {
 		if (!msg->params[i] || strchr(msg->params[i], ' ')) break;
 		supportAdd(msg->params[i]);
 	}
 }
 
+static void handleReplyMOTDStart(struct Message *msg) {
+	(void)msg;
+	support.done = true;
+}
+
 struct Channel {
 	char *name;
 	char *topic;
@@ -339,6 +346,8 @@ static const struct {
 	{ "004", handleReplyMyInfo },
 	{ "005", handleReplyISupport },
 	{ "332", handleReplyTopic },
+	{ "375", handleReplyMOTDStart },
+	{ "422", handleReplyMOTDStart },
 	{ "433", handleErrorNicknameInUse },
 	{ "437", handleErrorNicknameInUse },
 	{ "900", handleReplyLoggedIn },