Fix sparse warnings and add an extra sprinkling of const.

[tinc] / src / conf.c

diff --git a/src/conf.c b/src/conf.c
index 5f8fdb1..b895b7f 100644 (file)
--- a/src/conf.c
+++ b/src/conf.c
@@ -92,7 +92,7 @@ void config_add(avl_tree_t *config_tree, config_t *cfg) {
        avl_insert(config_tree, cfg);
 }
 
-config_t *lookup_config(avl_tree_t *config_tree, char *variable) {
+config_t *lookup_config(const avl_tree_t *config_tree, char *variable) {
        config_t cfg, *found;
 
        cfg.variable = variable;
@@ -110,7 +110,7 @@ config_t *lookup_config(avl_tree_t *config_tree, char *variable) {
        return found;
 }
 
-config_t *lookup_config_next(avl_tree_t *config_tree, const config_t *cfg) {
+config_t *lookup_config_next(const avl_tree_t *config_tree, const config_t *cfg) {
        avl_node_t *node;
        config_t *found;
 
@@ -188,7 +188,7 @@ bool get_config_address(const config_t *cfg, struct addrinfo **result) {
 }
 
 bool get_config_subnet(const config_t *cfg, subnet_t ** result) {
-       subnet_t subnet = {0};
+       subnet_t subnet = {NULL};
 
        if(!cfg)
                return false;
@@ -368,7 +368,7 @@ void read_config_options(avl_tree_t *config_tree, const char *prefix) {
        }
 }
 
-bool read_server_config() {
+bool read_server_config(void) {
        char *fname;
        bool x;