[Core, mod_hash] Add two APIs switch_core_hash_insert_alloc_destructor and switch_core_hash_insert_dup_destructor. Code cleanup in mod_hash. Add unit-tests.

src/switch_core_hash.c

@@ -68,6 +68,45 @@ SWITCH_DECLARE(switch_status_t) switch_core_hash_insert_auto_free(switch_hash_t
 	return SWITCH_STATUS_FALSE;
 }
 
+SWITCH_DECLARE(void *) switch_core_hash_insert_alloc_destructor(_In_ switch_hash_t *hash, _In_z_ const char *key, _In_opt_ size_t size, hashtable_destructor_t destructor) {
+	char *dkey;
+	void *data;
+
+	if (!size) return NULL;
+
+	dkey = strdup(key);
+	data = malloc(size);
+
+	assert(data);
+
+	if (switch_hashtable_insert_destructor(hash, dkey, data, HASHTABLE_FLAG_FREE_KEY | HASHTABLE_DUP_CHECK, destructor)) {
+		memset(data, 0, size);
+		return data;
+	}
+
+	free(data);
+	switch_safe_free(dkey);
+
+	return NULL;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_core_hash_insert_dup_destructor(switch_hash_t *hash, const char *key, const char *str, hashtable_destructor_t destructor)
+{
+	char *dkey = strdup(key);
+	char *dup = strdup(str);
+
+	assert(dup);
+
+	if (switch_hashtable_insert_destructor(hash, dkey, (void *)dup, HASHTABLE_FLAG_FREE_KEY | HASHTABLE_DUP_CHECK, destructor)) {
+		return SWITCH_STATUS_SUCCESS;
+	}
+
+	switch_safe_free(dup);
+	switch_safe_free(dkey);
+
+	return SWITCH_STATUS_FALSE;
+}
+
 SWITCH_DECLARE(switch_status_t) switch_core_hash_insert_destructor(switch_hash_t *hash, const char *key, const void *data, hashtable_destructor_t destructor)
 {
 	char *dkey = strdup(key);