+ char scheme_copy[256], *p, *schemes[2];
+ size_t schemes_n = 0;
+ size_t i;
+
+ /*
+ * Put the file scheme first. If the uri does represent an existing file,
+ * possible device name and all, then it should be loaded. Only a failed
+ * attempt at loading a local file should have us try something else.
+ */
+ schemes[schemes_n++] = "file";
+
+ /*
+ * Now, check if we have something that looks like a scheme, and add it
+ * as a second scheme. However, also check if there's an authority start
+ * (://), because that will invalidate the previous file scheme. Also,
+ * check that this isn't actually the file scheme, as there's no point
+ * going through that one twice!
+ */