patch-ids.c: drop hashmap_cmp_fn cast

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/patch-ids.c b/patch-ids.c
index b4166b0f384691ada862ff0b1e37387b018587b1..7a583b3011390c1a3cb1c0885e420e76b7751d26 100644 (file)
--- a/patch-ids.c
+++ b/patch-ids.c
@@ -35,11 +35,16 @@ int commit_patch_id(struct commit *commit, struct diff_options *options,
  * the side of safety.  The actual value being negative does not have
  * any significance; only that it is non-zero matters.
  */
-static int patch_id_cmp(struct diff_options *opt,
-                       struct patch_id *a,
-                       struct patch_id *b,
+static int patch_id_cmp(const void *cmpfn_data,
+                       const void *entry,
+                       const void *entry_or_key,
                        const void *unused_keydata)
 {
+       /* NEEDSWORK: const correctness? */
+       struct diff_options *opt = (void *)cmpfn_data;
+       struct patch_id *a = (void *)entry;
+       struct patch_id *b = (void *)entry_or_key;
+
        if (is_null_oid(&a->patch_id) &&
            commit_patch_id(a->commit, opt, &a->patch_id, 0))
                return error("Could not get patch ID for %s",
@@ -58,8 +63,7 @@ int init_patch_ids(struct patch_ids *ids)
        ids->diffopts.detect_rename = 0;
        DIFF_OPT_SET(&ids->diffopts, RECURSIVE);
        diff_setup_done(&ids->diffopts);
-       hashmap_init(&ids->patches, (hashmap_cmp_fn)patch_id_cmp,
-                    &ids->diffopts, 256);
+       hashmap_init(&ids->patches, patch_id_cmp, &ids->diffopts, 256);
        return 0;
 }