Introduce usagef() that takes a printf-style format

diff --git a/walker.c b/walker.c
index e57630e983488e5c0222dc47a5e32d6efb184762..11d9052ed86ab17b56ab86ef21b7c98095e410dc 100644 (file)
--- a/walker.c
+++ b/walker.c
@@ -245,7 +245,7 @@ void walker_targets_free(int targets, char **target, const char **write_ref)
 {
        while (targets--) {
                free(target[targets]);
-               if (write_ref && write_ref[targets])
+               if (write_ref)
                        free((char *) write_ref[targets]);
        }
 }