Make 'peer limit 0' allow no connections

3 files changed, 5 insertions, 3 deletions

diff --git a/src/config.c b/src/config.c
index b0ad607..d5fd255 100644
--- a/src/config.c
+++ b/src/config.c
@@ -125,6 +125,7 @@ static void default_config(fastd_config_t *conf) {
 
 	conf->peer_group = calloc(1, sizeof(fastd_peer_group_config_t));
 	conf->peer_group->name = strdup("default");
+	conf->peer_group->max_connections = -1;
 }
 
 static bool config_match(const char *opt, ...) {
@@ -255,6 +256,7 @@ void fastd_config_bind_address(fastd_context_t *ctx, fastd_config_t *conf, const
 void fastd_config_peer_group_push(fastd_context_t *ctx, fastd_config_t *conf, const char *name) {
 	fastd_peer_group_config_t *group = calloc(1, sizeof(fastd_peer_group_config_t));
 	group->name = strdup(name);
+	group->max_connections = -1;
 
 	group->parent = conf->peer_group;
 	group->next = group->parent->children;
diff --git a/src/fastd.h b/src/fastd.h
index 703e463..fb7ca25 100644
--- a/src/fastd.h
+++ b/src/fastd.h
@@ -151,8 +151,8 @@ struct fastd_peer_group_config {
 	char *name;
 	fastd_string_stack_t *peer_dirs;
 
-	/* contraints */
-	unsigned max_connections;
+	/* constraints */
+	int max_connections;
 };
 
 struct fastd_peer_group {
diff --git a/src/peer.c b/src/peer.c
index a20e0c8..c3279fb 100644
--- a/src/peer.c
+++ b/src/peer.c
@@ -381,7 +381,7 @@ bool fastd_peer_may_connect(fastd_context_t *ctx, fastd_peer_t *peer) {
 	fastd_peer_group_t *group;
 
 	for (group = peer->group; group; group = group->parent) {
-		if (!group->conf->max_connections)
+		if (group->conf->max_connections < 0)
 			continue;
 
 		if (count_established_group_peers(ctx, group) >= group->conf->max_connections)