t/helper: mark unused callback void data parameters

Many callback interfaces have an extra void data parameter, but we don't
always need it (especially for dumping functions like the ones in test
helpers). Mark them as unused to avoid -Wunused-parameter warnings.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/helper/test-dump-split-index.c b/t/helper/test-dump-split-index.c
index 5cf0b26..f29d18e 100644 (file)
--- a/t/helper/test-dump-split-index.c
+++ b/t/helper/test-dump-split-index.c
@@ -7,7 +7,7 @@
 #include "split-index.h"
 #include "ewah/ewok.h"
 
-static void show_bit(size_t pos, void *data)
+static void show_bit(size_t pos, void *data UNUSED)
 {
        printf(" %d", (int)pos);
 }

diff --git a/t/helper/test-oid-array.c b/t/helper/test-oid-array.c
index eef6883..aafe398 100644 (file)
--- a/t/helper/test-oid-array.c
+++ b/t/helper/test-oid-array.c
@@ -4,7 +4,7 @@
 #include "setup.h"
 #include "strbuf.h"
 
-static int print_oid(const struct object_id *oid, void *data)
+static int print_oid(const struct object_id *oid, void *data UNUSED)
 {
        puts(oid_to_hex(oid));
        return 0;