don't segfault when no dunstrc is found

option_parser.c

@@ -108,10 +108,7 @@ char *ini_get_string(char *section, char *key, const char *def)
         if (value)
                 return g_strdup(value);
 
-        if (def == NULL)
-                return NULL;
-        else
-                return def ? g_strdup(def) : NULL;
+        return def ? g_strdup(def) : NULL;
 }
 
 int ini_get_int(char *section, char *key, int def)
@@ -197,6 +194,9 @@ int load_ini_file(FILE * fp)
 {
         char line[BUFSIZ];
 
+        if (!fp)
+                return 1;
+
         int line_num = 0;
         char *current_section = NULL;
         while (fgets(line, sizeof(line), fp) != NULL) {
@@ -383,6 +383,7 @@ char *option_get_string(char *ini_section, char *ini_key, char *cmdline_key,
                 val = cmdline_get_string(cmdline_key, NULL, description);
         }
 
+
         if (val) {
                 return val;
         } else {

settings.c

@@ -49,7 +49,6 @@ void load_settings(char *cmdline_config_path)
                 if (config_file == NULL) {
                         puts("no dunstrc found -> skipping\n");
                         xdgWipeHandle(&xdg);
-                        return;
                 }
         }
 
@@ -300,9 +299,11 @@ void load_settings(char *cmdline_config_path)
         }
 
 #ifndef STATIC_CONFIG
-        fclose(config_file);
-        free_ini();
-        xdgWipeHandle(&xdg);
+        if (config_file) {
+                fclose(config_file);
+                free_ini();
+                xdgWipeHandle(&xdg);
+        }
 #endif
 }
 /* vim: set ts=8 sw=8 tw=0: */