errno=0 before

test/test_source.c

@@ -7,7 +7,7 @@
 
 int main(void) {
 	int success = EXIT_SUCCESS;
-	errno = 0;
+	errno = 0; /* `errno` is not set correctly to 0 in some debug situations. */
 	struct journal j = journal();
 	struct sources s = sources(&j);
 	if(errno) goto catch;