path-util: handle NULL inputs in last_path_component()

2018-11-26 18:09:01 +01:00
parent 5f7ecd610c
commit 77e0a1b5e0
2 changed files with 4 additions and 0 deletions
@@ -750,6 +750,9 @@ const char *last_path_component(const char *path) {

        unsigned l, k;

+        if (!path)
+                return NULL;
+
        l = k = strlen(path);
        if (l == 0) /* special case — an empty string */
                return path;