fix: config_file_read handle file error before hashmap_new

src/config_file.c

@@ -68,16 +68,18 @@ void config_file_read(ConfigFile *config, const char *path) {
   char *line;
   char *rest;
 
-  file_read(&file, path);
+  config->map = NULL;
 
-  config->map = hashmap_new(sizeof(ConfigFileItem), 0, 0, 0, item_hash,
-                            item_compare, NULL, NULL);
+  file_read(&file, path);
 
   if (file.error) {
     config->error = true;
     return;
   }
 
+  config->map = hashmap_new(sizeof(ConfigFileItem), 0, 0, 0, item_hash,
+                            item_compare, NULL, NULL);
+
   config->error = false;
 
   line = strtok_r(file.content, "\n", &rest);
@@ -138,4 +140,8 @@ unsigned int config_file_get_int(const ConfigFile *config, const char *key,
   return (unsigned int)atoi(item->value);
 }
 
-void config_file_free(const ConfigFile *config) { hashmap_free(config->map); }
+void config_file_free(const ConfigFile *config) {
+  if (config->map != NULL) {
+    hashmap_free(config->map);
+  }
+}