Replace single-linked with double-linked lists. It results in more

compact and more efficient code.

	* grub-core/kern/list.c (grub_list_push): Moved from here ...
	* include/grub/list.h (grub_list_push): ... to here. Set prev.
	(grub_list_remove): Moved from here ...
	* include/grub/list.h (grub_list_remove): ... here. Use and set prev.
	(grub_prio_list_insert): Set prev.
	* include/grub/list.h (grub_list): Add prev. All users updated.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2012-01-24 13:31:12 +01:00
parent 48b391e9ab
commit 87edb8940a
27 changed files with 111 additions and 75 deletions

View file

@ -147,6 +147,7 @@ struct grub_term_input
{
/* The next terminal. */
struct grub_term_input *next;
struct grub_term_input **prev;
/* The terminal name. */
const char *name;
@ -171,6 +172,7 @@ struct grub_term_output
{
/* The next terminal. */
struct grub_term_output *next;
struct grub_term_output **prev;
/* The terminal name. */
const char *name;
@ -300,17 +302,15 @@ grub_term_register_output_active (const char *name __attribute__ ((unused)),
static inline void
grub_term_unregister_input (grub_term_input_t term)
{
grub_list_remove (GRUB_AS_LIST_P (&grub_term_inputs), GRUB_AS_LIST (term));
grub_list_remove (GRUB_AS_LIST_P (&grub_term_inputs_disabled),
GRUB_AS_LIST (term));
grub_list_remove (GRUB_AS_LIST (term));
grub_list_remove (GRUB_AS_LIST (term));
}
static inline void
grub_term_unregister_output (grub_term_output_t term)
{
grub_list_remove (GRUB_AS_LIST_P (&grub_term_outputs), GRUB_AS_LIST (term));
grub_list_remove (GRUB_AS_LIST_P (&(grub_term_outputs_disabled)),
GRUB_AS_LIST (term));
grub_list_remove (GRUB_AS_LIST (term));
grub_list_remove (GRUB_AS_LIST (term));
}
#define FOR_ACTIVE_TERM_INPUTS(var) FOR_LIST_ELEMENTS((var), (grub_term_inputs))