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>

Stefan Beller committed Jun 30, 2017 at 17:28 UTC 8d0017daa1dcd596a1412700aee378c27238319e
1 file changed +9 -5
patch-ids.c
+9 -5
@@ -35,11 +35,16 @@ int commit_patch_id(struct commit *commit, struct diff_options *options,
35 * the side of safety. The actual value being negative does not have
36 * any significance; only that it is non-zero matters.
37 */
38 -static int patch_id_cmp(struct diff_options *opt,
39 - struct patch_id *a,
40 - struct patch_id *b,
38 +static int patch_id_cmp(const void *cmpfn_data,
39 + const void *entry,
40 + const void *entry_or_key,
41 const void *unused_keydata)
42 {
43 + /* NEEDSWORK: const correctness? */
44 + struct diff_options *opt = (void *)cmpfn_data;
45 + struct patch_id *a = (void *)entry;
46 + struct patch_id *b = (void *)entry_or_key;
47 +
48 if (is_null_oid(&a->patch_id) &&
49 commit_patch_id(a->commit, opt, &a->patch_id, 0))
50 return error("Could not get patch ID for %s",
@@ -58,8 +63,7 @@ int init_patch_ids(struct patch_ids *ids)
63 ids->diffopts.detect_rename = 0;
64 DIFF_OPT_SET(&ids->diffopts, RECURSIVE);
65 diff_setup_done(&ids->diffopts);
61 - hashmap_init(&ids->patches, (hashmap_cmp_fn)patch_id_cmp,
62 - &ids->diffopts, 256);
66 + hashmap_init(&ids->patches, patch_id_cmp, &ids->diffopts, 256);
67 return 0;
68 }
69