hook: rename cb_data_free/alloc -> hook_data_free/alloc

Rename the hook callback function types to use the hook prefix.

This is a style fix with no logic changes.

Suggested-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: 10ne1

hook.c

@@ -52,7 +52,7 @@ const char *find_hook(struct repository *r, const char *name)
 	return path.buf;
 }
 
-static void hook_clear(struct hook *h, cb_data_free_fn cb_data_free)
+static void hook_clear(struct hook *h, hook_data_free_fn cb_data_free)
 {
 	if (!h)
 		return;
@@ -70,7 +70,7 @@ static void hook_clear(struct hook *h, cb_data_free_fn cb_data_free)
 	free(h);
 }
 
-void hook_list_clear(struct string_list *hooks, cb_data_free_fn cb_data_free)
+void hook_list_clear(struct string_list *hooks, hook_data_free_fn cb_data_free)
 {
 	struct string_list_item *item;
 

hook.h

@@ -43,8 +43,8 @@ struct hook {
 	void *feed_pipe_cb_data;
 };
 
-typedef void (*cb_data_free_fn)(void *data);
-typedef void *(*cb_data_alloc_fn)(void *init_ctx);
+typedef void (*hook_data_free_fn)(void *data);
+typedef void *(*hook_data_alloc_fn)(void *init_ctx);
 
 struct run_hooks_opt {
 	/* Environment vars to be set for each hook */
@@ -131,14 +131,14 @@ struct run_hooks_opt {
 	 *
 	 * The `feed_pipe_ctx` pointer can be used to pass initialization data.
 	 */
-	cb_data_alloc_fn feed_pipe_cb_data_alloc;
+	hook_data_alloc_fn feed_pipe_cb_data_alloc;
 
 	/**
 	 * Called to free the memory initialized by `feed_pipe_cb_data_alloc`.
 	 *
 	 * Must always be provided when `feed_pipe_cb_data_alloc` is provided.
 	 */
-	cb_data_free_fn feed_pipe_cb_data_free;
+	hook_data_free_fn feed_pipe_cb_data_free;
 };
 
 #define RUN_HOOKS_OPT_INIT { \
@@ -188,7 +188,7 @@ struct string_list *list_hooks(struct repository *r, const char *hookname,
  * Frees the memory allocated for the hook list, including the `struct hook`
  * items and their internal state.
  */
-void hook_list_clear(struct string_list *hooks, cb_data_free_fn cb_data_free);
+void hook_list_clear(struct string_list *hooks, hook_data_free_fn cb_data_free);
 
 /**
  * Frees the hook configuration cache stored in `struct repository`.