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fix strncat size warnings ; only consume additional cheat memory when performing searching - no need to alloc additional memory when applying cheats ; bugfix address mask max value

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This commit is contained in:
Sven 2018-07-30 04:08:50 -04:00
parent 3d862bbdb4
commit c2825cb7c5
4 changed files with 40 additions and 25 deletions
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54
managers/cheat_manager.c
View File

@ -455,14 +455,19 @@ void cheat_manager_free(void)
if ( cheat_manager_state.prev_memory_buf )
free(cheat_manager_state.prev_memory_buf) ;
if ( cheat_manager_state.matches )
free(cheat_manager_state.matches) ;
cheat_manager_state.cheats = NULL ;
cheat_manager_state.size = 0 ;
cheat_manager_state.buf_size = 0 ;
cheat_manager_state.prev_memory_buf = NULL ;
cheat_manager_state.curr_memory_buf = NULL ;
cheat_manager_state.matches = NULL ;
cheat_manager_state.total_memory_size = 0 ;
cheat_manager_state.actual_memory_size = 0 ;
cheat_manager_state.memory_initialized = false ;
cheat_manager_state.memory_search_initialized = false ;
}
@ -568,15 +573,15 @@ bool cheat_manager_get_game_specific_filename(char * cheat_filename, size_t max_
return false ;
cheat_filename[0] = '\0';
strncat(cheat_filename, settings->paths.path_cheat_database, max_length) ;
strlcat(cheat_filename, settings->paths.path_cheat_database, max_length-1) ;
fill_pathname_slash(cheat_filename, max_length) ;
strncat(cheat_filename, core_name, max_length-strlen(cheat_filename)) ;
strlcat(cheat_filename, core_name, max_length-strlen(cheat_filename)-1) ;
fill_pathname_slash(cheat_filename, max_length) ;
if (!filestream_exists(cheat_filename))
path_mkdir(cheat_filename);
strncat(cheat_filename, game_name, max_length-strlen(cheat_filename)) ;
strlcat(cheat_filename, game_name, max_length-strlen(cheat_filename)-1) ;
return true ;
@ -614,10 +619,11 @@ bool cheat_manager_alloc_if_empty(void)
return true;
}
int cheat_manager_initialize_search(void *data, bool wraparound)
int cheat_manager_initialize_memory(void *data, bool wraparound)
{
retro_ctx_memory_info_t meminfo ;
bool refresh = false;
bool is_search_initialization = (data != NULL) ;
meminfo.id = RETRO_MEMORY_SYSTEM_RAM ;
if (! core_get_memory(&meminfo) )
@ -629,32 +635,36 @@ int cheat_manager_initialize_search(void *data, bool wraparound)
cheat_manager_state.actual_memory_size = meminfo.size ;
cheat_manager_state.curr_memory_buf = meminfo.data ;
cheat_manager_state.total_memory_size = meminfo.size ;
cheat_manager_state.num_matches = 0 ;
cheat_manager_state.num_matches = (cheat_manager_state.total_memory_size*8)/((int)pow(2,cheat_manager_state.search_bit_size)) ;
//ensure we're aligned on 4-byte boundary
//if ( meminfo.size % 4 > 0 ) {
//cheat_manager_state.total_memory_size = cheat_manager_state.total_memory_size + (4 - (meminfo.size%4)) ;
//}
cheat_manager_state.prev_memory_buf = (uint8_t*) calloc(cheat_manager_state.total_memory_size, sizeof(uint8_t));
if (!cheat_manager_state.prev_memory_buf )
if ( is_search_initialization )
{
runloop_msg_queue_push(msg_hash_to_str(MSG_CHEAT_INIT_FAIL), 1, 180, true);
return 0 ;
}
cheat_manager_state.matches = (uint8_t*) calloc(cheat_manager_state.total_memory_size, sizeof(uint8_t));
if (!cheat_manager_state.matches )
{
free(cheat_manager_state.prev_memory_buf) ;
cheat_manager_state.prev_memory_buf = NULL ;
runloop_msg_queue_push(msg_hash_to_str(MSG_CHEAT_INIT_FAIL), 1, 180, true);
return 0 ;
}
cheat_manager_state.prev_memory_buf = (uint8_t*) calloc(cheat_manager_state.total_memory_size, sizeof(uint8_t));
if (!cheat_manager_state.prev_memory_buf )
{
runloop_msg_queue_push(msg_hash_to_str(MSG_CHEAT_INIT_FAIL), 1, 180, true);
return 0 ;
}
cheat_manager_state.matches = (uint8_t*) calloc(cheat_manager_state.total_memory_size, sizeof(uint8_t));
if (!cheat_manager_state.matches )
{
free(cheat_manager_state.prev_memory_buf) ;
cheat_manager_state.prev_memory_buf = NULL ;
runloop_msg_queue_push(msg_hash_to_str(MSG_CHEAT_INIT_FAIL), 1, 180, true);
return 0 ;
}
memset(cheat_manager_state.matches, 0xFF, cheat_manager_state.total_memory_size) ;
memcpy(cheat_manager_state.prev_memory_buf, cheat_manager_state.curr_memory_buf, cheat_manager_state.actual_memory_size);
cheat_manager_state.num_matches = (cheat_manager_state.total_memory_size*8)/((int)pow(2,cheat_manager_state.search_bit_size)) ;
memset(cheat_manager_state.matches, 0xFF, cheat_manager_state.total_memory_size) ;
memcpy(cheat_manager_state.prev_memory_buf, cheat_manager_state.curr_memory_buf, cheat_manager_state.actual_memory_size);
cheat_manager_state.memory_search_initialized = true ;
}
cheat_manager_state.memory_initialized = true ;
runloop_msg_queue_push(msg_hash_to_str(MSG_CHEAT_INIT_SUCCESS), 1, 180, true);
if ( !wraparound )
{
@ -1135,7 +1145,7 @@ void cheat_manager_apply_retro_cheats(void)
if (cheat_manager_state.cheats[i].handler != CHEAT_HANDLER_TYPE_RETRO || !cheat_manager_state.cheats[i].state)
continue ;
if ( !cheat_manager_state.memory_initialized )
cheat_manager_initialize_search(NULL, false) ;
cheat_manager_initialize_memory(NULL, false) ;
/* If we're still not initialized, something must have gone wrong - just bail */
if ( !cheat_manager_state.memory_initialized )

3
managers/cheat_manager.h
View File

@ -150,6 +150,7 @@ struct cheat_manager
unsigned num_matches ;
bool big_endian ;
bool memory_initialized ;
bool memory_search_initialized ;
unsigned int delete_state ;
};
@ -209,7 +210,7 @@ void cheat_manager_load_game_specific_cheats();
void cheat_manager_save_game_specific_cheats();
int cheat_manager_initialize_search(void *data, bool wraparound);
int cheat_manager_initialize_memory(void *data, bool wraparound);
int cheat_manager_search_exact(void *data, bool wraparound);
int cheat_manager_search_lt(void *data, bool wraparound);
int cheat_manager_search_gt(void *data, bool wraparound);

6
menu/menu_displaylist.c
View File

@ -5167,12 +5167,16 @@ bool menu_displaylist_ctl(enum menu_displaylist_ctl_state type, void *data)
menu_entries_ctl(MENU_ENTRIES_CTL_CLEAR, info->list);
if ( !cheat_manager_state.memory_initialized)
cheat_manager_initialize_search(NULL,true) ;
cheat_manager_initialize_memory(NULL,true) ;
setting = menu_setting_find(msg_hash_to_str(MENU_ENUM_LABEL_CHEAT_ADDRESS));
if ( setting )
setting->max = cheat_manager_state.total_memory_size==0?0:cheat_manager_state.total_memory_size-1;
setting = menu_setting_find(msg_hash_to_str(MENU_ENUM_LABEL_CHEAT_ADDRESS_BIT_POSITION));
if ( setting )
setting->max = cheat_manager_state.working_cheat.memory_search_size<3 ? 255 : 0 ;
menu_displaylist_parse_settings_enum(menu, info,
MENU_ENUM_LABEL_CHEAT_IDX,
PARSE_ONLY_UINT, false);

2
menu/menu_setting.c
View File

@ -3449,7 +3449,7 @@ static bool setting_append_list(
setting_uint_action_left_with_refresh,setting_uint_action_right_with_refresh,
MENU_ENUM_LABEL_CHEAT_MEMORY_SIZE_1,&setting_get_string_representation_uint_as_enum,
0,5,1) ;
(*list)[list_info->index - 1].action_ok = &cheat_manager_initialize_search;
(*list)[list_info->index - 1].action_ok = &cheat_manager_initialize_memory;
CONFIG_BOOL(
list, list_info,