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(menu_setting.c) Speed up setting lookup using hashes

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This commit is contained in:
Higor Eurípedes 2015-06-13 14:11:18 -03:00
parent 0f739f7e98
commit 619710eea6
2 changed files with 11 additions and 1 deletions
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11
menu/menu_setting.c
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@ -60,6 +60,8 @@ static bool menu_settings_list_append(rarch_setting_t **list,
return false;
}
value.name_hash = value.name ? djb2_calculate(value.name) : 0;
(*list)[list_info->index++] = value;
return true;
}
@ -305,16 +307,23 @@ static rarch_setting_t *menu_setting_get_ptr(void)
rarch_setting_t *menu_setting_find(const char *label)
{
rarch_setting_t *settings = menu_setting_get_ptr();
uint32_t needle = 0;
if (!settings)
return NULL;
if (!label)
return NULL;
needle = djb2_calculate(label);
for (; settings->type != ST_NONE; settings++)
{
if (settings->type <= ST_GROUP && !strcmp(settings->name, label))
if (settings->type <= ST_GROUP && needle == settings->name_hash)
{
/* make sure this isn't a collision */
if (strcmp(label, settings->name) != 0)
continue;
if (settings->short_description && settings->short_description[0] == '\0')
return NULL;

1
menu/menu_setting.h
View File

@ -131,6 +131,7 @@ typedef struct rarch_setting
uint32_t size;
const char *name;
uint32_t name_hash;
const char *short_description;
const char *group;
const char *subgroup;