Merge branch 'sb/hashmap-cleanup'

Many uses of comparision callback function the hashmap API uses
cast the callback function type when registering it to
hashmap_init(), which defeats the compile time type checking when
the callback interface changes (e.g. gaining more parameters).
The callback implementations have been updated to take "void *"
pointers and cast them to the type they expect instead.

* sb/hashmap-cleanup:
  t/helper/test-hashmap: use custom data instead of duplicate cmp functions
  name-hash.c: drop hashmap_cmp_fn cast
  submodule-config.c: drop hashmap_cmp_fn cast
  remote.c: drop hashmap_cmp_fn cast
  patch-ids.c: drop hashmap_cmp_fn cast
  convert/sub-process: drop cast to hashmap_cmp_fn
  config.c: drop hashmap_cmp_fn cast
  builtin/describe: drop hashmap_cmp_fn cast
  builtin/difftool.c: drop hashmap_cmp_fn cast
  attr.c: drop hashmap_cmp_fn cast

1 files changed, 8 insertions, 4 deletions

diff --git a/remote.c b/remote.c
index 6a1be31bb1..43c317e4e9 100644
--- a/remote.c
+++ b/remote.c
@@ -134,10 +134,14 @@ struct remotes_hash_key {
 };
 
 static int remotes_hash_cmp(const void *unused_cmp_data,
-			    const struct remote *a,
-			    const struct remote *b,
-			    const struct remotes_hash_key *key)
+			    const void *entry,
+			    const void *entry_or_key,
+			    const void *keydata)
 {
+	const struct remote *a = entry;
+	const struct remote *b = entry_or_key;
+	const struct remotes_hash_key *key = keydata;
+
 	if (key)
 		return strncmp(a->name, key->str, key->len) || a->name[key->len];
 	else
@@ -147,7 +151,7 @@ static int remotes_hash_cmp(const void *unused_cmp_data,
 static inline void init_remotes_hash(void)
 {
 	if (!remotes_hash.cmpfn)
-		hashmap_init(&remotes_hash, (hashmap_cmp_fn)remotes_hash_cmp, NULL, 0);
+		hashmap_init(&remotes_hash, remotes_hash_cmp, NULL, 0);
 }
 
 static struct remote *make_remote(const char *name, int len)