sd-id128: handle NULL return parameter in sd_id128_from_string() nicer

If the return parameter is NULL, simply validate the string, and return no error.
2016-07-22 12:59:36 +02:00
parent e042eab720
commit 9ca8d43479
2 changed files with 7 additions and 9 deletions
@@ -52,7 +52,6 @@ _public_ int sd_id128_from_string(const char s[], sd_id128_t *ret) {
        bool is_guid = false;

        assert_return(s, -EINVAL);
-        assert_return(ret, -EINVAL);

        for (n = 0, i = 0; n < 16;) {
                int a, b;
@@ -90,7 +89,8 @@ _public_ int sd_id128_from_string(const char s[], sd_id128_t *ret) {
        if (s[i] != 0)
                return -EINVAL;

-        *ret = t;
+        if (ret)
+                *ret = t;
        return 0;
 }