Fix os_path_join for case where dirname is empty

ziglang · Jun 26, 2018 · 8e71428 · 8e71428
1 parent 3290e72
commit 8e71428
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/os.cpp b/src/os.cpp
@@ -225,6 +225,11 @@ void os_path_extname(Buf *full_path, Buf *out_basename, Buf *out_extname) {
 }
 
 void os_path_join(Buf *dirname, Buf *basename, Buf *out_full_path) {
+    if (buf_len(dirname) == 0) {
+        buf_init_from_buf(out_full_path, basename);
+        return;
+    }
+
     buf_init_from_buf(out_full_path, dirname);
     uint8_t c = *(buf_ptr(out_full_path) + buf_len(out_full_path) - 1);
     if (!os_is_sep(c))