X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fhash.c;h=50934d9b99dc53c01fe4a220f6cf3ab304a58e53;hb=34ea20af73a35cd918ce9dc25796bebf9493b49c;hp=8fb9ca69fd7f5e20b403a74052f733681b605c05;hpb=5e00a24e1f13fa70a6945831c409d873b7809d11;p=tinc

diff --git a/src/hash.c b/src/hash.c
index 8fb9ca69..50934d9b 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -29,7 +29,7 @@ static uint32_t hash_function(const void *p, size_t len) {
 	uint32_t hash = 0;
 	while(true) {
 		for(int i = len > 4 ? 4 : len; --i;)
-			hash += q[len - i] << (8 * i);
+			hash += (uint32_t)q[len - i] << (8 * i);
 		hash *= 0x9e370001UL; // Golden ratio prime.
 		if(len <= 4)
 			break;
@@ -91,6 +91,13 @@ void *hash_search_or_insert(hash_t *hash, const void *key, const void *value) {
 	return NULL;
 }
 
+/* Deleting */
+
+void hash_delete(hash_t *hash, const void *key) {
+	uint32_t i = modulo(hash_function(key, hash->size), hash->n);
+	hash->values[i] = NULL;
+}
+
 /* Utility functions */
 
 void hash_clear(hash_t *hash) {