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Prevent explicit null dereferenced warnings

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This commit is contained in:
twinaphex 2016-05-26 18:09:46 +02:00
parent a98616b45b
commit 03ded43280
10 changed files with 104 additions and 88 deletions
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24
command.c
View File

@ -383,7 +383,7 @@ static bool command_verify(const char *cmd)
bool command_network_send(const char *cmd_)
{
bool ret;
bool ret = false;
char *command = NULL;
char *save = NULL;
const char *cmd = NULL;
@ -415,11 +415,14 @@ bool command_network_send(const char *cmd_)
if (port_)
port = strtoul(port_, NULL, 0);
RARCH_LOG("%s: \"%s\" to %s:%hu\n",
msg_hash_to_str(MSG_SENDING_COMMAND),
cmd, host, (unsigned short)port);
if (cmd)
{
RARCH_LOG("%s: \"%s\" to %s:%hu\n",
msg_hash_to_str(MSG_SENDING_COMMAND),
cmd, host, (unsigned short)port);
ret = command_verify(cmd) && send_udp_packet(host, port, cmd);
ret = command_verify(cmd) && send_udp_packet(host, port, cmd);
}
free(command);
return ret;
@ -1662,12 +1665,13 @@ bool command_event(enum event_command cmd, void *data)
unsigned idx = 0;
unsigned *window_scale = NULL;
runloop_ctl(RUNLOOP_CTL_GET_WINDOWED_SCALE, &window_scale);
if (runloop_ctl(RUNLOOP_CTL_GET_WINDOWED_SCALE, &window_scale))
{
if (*window_scale == 0)
return false;
if (*window_scale == 0)
return false;
settings->video.scale = *window_scale;
settings->video.scale = *window_scale;
}
if (!settings->video.fullscreen)
command_event(CMD_EVENT_REINIT, NULL);

20
dynamic.c
View File

@ -824,16 +824,17 @@ bool rarch_environment_cb(unsigned cmd, void *data)
if (string_is_empty(settings->directory.system))
{
char *fullpath = NULL;
runloop_ctl(RUNLOOP_CTL_GET_CONTENT_PATH, &fullpath);
RARCH_WARN("SYSTEM DIR is empty, assume CONTENT DIR %s\n",
fullpath);
fill_pathname_basedir(global->dir.systemdir, fullpath,
sizeof(global->dir.systemdir));
if (runloop_ctl(RUNLOOP_CTL_GET_CONTENT_PATH, &fullpath))
{
RARCH_WARN("SYSTEM DIR is empty, assume CONTENT DIR %s\n",
fullpath);
fill_pathname_basedir(global->dir.systemdir, fullpath,
sizeof(global->dir.systemdir));
}
*(const char**)data = global->dir.systemdir;
RARCH_LOG("Environ SYSTEM_DIRECTORY: \"%s\".\n",
global->dir.systemdir);
global->dir.systemdir);
}
else
{
@ -898,7 +899,7 @@ bool rarch_environment_cb(unsigned cmd, void *data)
"L", "R", "L2", "R2", "L3", "R3",
};
memset(system->input_desc_btn, 0,
memset(&system->input_desc_btn, 0,
sizeof(system->input_desc_btn));
desc = (const struct retro_input_descriptor*)data;
@ -998,7 +999,8 @@ bool rarch_environment_cb(unsigned cmd, void *data)
RARCH_LOG("Environ SET_KEYBOARD_CALLBACK.\n");
if (key_event)
*key_event = info->callback;
if (frontend_key_event)
if (frontend_key_event && key_event)
*frontend_key_event = *key_event;
break;
}

2
libretro-common/file/config_file.c
View File

@ -302,10 +302,10 @@ static bool parse_line(config_file_t *conf,
struct config_entry_list *list, char *line)
{
char *comment = NULL;
char *key = (char*)malloc(9);
char *key_tmp = NULL;
size_t cur_size = 8;
size_t idx = 0;
char *key = (char*)malloc(9);
if (!key)
return false;

7
libretro-common/queues/task_queue.c
View File

@ -244,8 +244,11 @@ static void retro_task_regular_retrieve(task_retriever_data_t *data)
}
else
{
tail->next = info;
tail = tail->next;
if (tail)
{
tail->next = info;
tail = tail->next;
}
}
}
}

17
menu/drivers/materialui.c
View File

@ -685,18 +685,19 @@ static int mui_get_core_title(char *s, size_t len)
core_name = system->library_name;
core_version = system->library_version;
runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &info);
if (!settings->menu.core_enable)
return -1;
if (string_is_empty(core_name))
core_name = info->info.library_name;
if (string_is_empty(core_name))
core_name = menu_hash_to_str(MENU_VALUE_NO_CORE);
if (runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &info))
{
if (string_is_empty(core_name))
core_name = info->info.library_name;
if (!core_version)
core_version = info->info.library_version;
}
if (!core_version)
core_version = info->info.library_version;
if (string_is_empty(core_name))
core_name = menu_hash_to_str(MENU_VALUE_NO_CORE);
if (!core_version)
core_version = "";

5
menu/menu_entries.c
View File

@ -289,13 +289,14 @@ static bool menu_entries_elem_is_dir(file_list_t *list,
static int menu_entries_elem_get_first_char(
file_list_t *list, unsigned offset)
{
int ret;
int ret = 0;
const char *path = NULL;
menu_entries_get_at_offset(list, offset,
NULL, NULL, NULL, NULL, &path);
ret = tolower((int)*path);
if (path != NULL)
ret = tolower((int)*path);
/* "Normalize" non-alphabetical entries so they
* are lumped together for purposes of jumping. */

7
menu/menu_input.c
View File

@ -1081,12 +1081,9 @@ static int menu_input_pointer_post_iterate(
int ret = 0;
menu_input_t *menu_input = menu_input_get_ptr();
settings_t *settings = config_get_ptr();
bool check_overlay = false;
if (settings)
check_overlay = !settings->menu.pointer.enable;
bool check_overlay = settings ? !settings->menu.pointer.enable : false;
if (!menu_input)
if (!menu_input || !settings)
return -1;
if (!menu_navigation_ctl(MENU_NAVIGATION_CTL_GET_SELECTION, &selection))
return -1;

38
menu/menu_setting.c
View File

@ -1065,22 +1065,23 @@ static void setting_get_string_representation_uint_libretro_device(void *data,
unsigned index_offset;
const struct retro_controller_description *desc = NULL;
const char *name = NULL;
rarch_system_info_t *system = NULL;
rarch_setting_t *setting = (rarch_setting_t*)data;
settings_t *settings = config_get_ptr();
rarch_system_info_t *system = NULL;
runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system);
if (!setting)
return;
index_offset = menu_setting_get_index_offset(setting);
if (index_offset < system->ports.size)
desc = libretro_find_controller_description(
&system->ports.data[index_offset],
settings->input.libretro_device
[index_offset]);
if (runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system))
{
if (index_offset < system->ports.size)
desc = libretro_find_controller_description(
&system->ports.data[index_offset],
settings->input.libretro_device
[index_offset]);
}
if (desc)
name = desc->desc;
@ -2346,11 +2347,9 @@ static int setting_action_start_libretro_device_type(void *data)
unsigned index_offset, current_device;
unsigned devices[128], types = 0, port = 0;
const struct retro_controller_info *desc = NULL;
rarch_setting_t *setting = (rarch_setting_t*)data;
settings_t *settings = config_get_ptr();
rarch_system_info_t *system = NULL;
runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system);
settings_t *settings = config_get_ptr();
rarch_setting_t *setting = (rarch_setting_t*)data;
if (setting_generic_action_start_default(setting) != 0)
return -1;
@ -2361,13 +2360,16 @@ static int setting_action_start_libretro_device_type(void *data)
devices[types++] = RETRO_DEVICE_NONE;
devices[types++] = RETRO_DEVICE_JOYPAD;
/* Only push RETRO_DEVICE_ANALOG as default if we use an
* older core which doesn't use SET_CONTROLLER_INFO. */
if (!system->ports.size)
devices[types++] = RETRO_DEVICE_ANALOG;
if (runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system))
{
/* Only push RETRO_DEVICE_ANALOG as default if we use an
* older core which doesn't use SET_CONTROLLER_INFO. */
if (!system->ports.size)
devices[types++] = RETRO_DEVICE_ANALOG;
desc = port < system->ports.size ?
&system->ports.data[port] : NULL;
desc = port < system->ports.size ?
&system->ports.data[port] : NULL;
}
if (desc)
{

49
retroarch.c
View File

@ -1099,7 +1099,7 @@ static void retroarch_init_savefile_paths(void)
global->savefiles = string_list_new();
retro_assert(global->savefiles);
if (*global->subsystem)
if (system && *global->subsystem)
{
/* For subsystems, we know exactly which RAM types are supported. */
@ -1317,35 +1317,36 @@ bool retroarch_main_init(int argc, char *argv[])
settings->multimedia.builtin_imageviewer_enable))
{
char *fullpath = NULL;
#if defined(HAVE_FFMPEG) || defined(HAVE_IMAGEVIEWER)
global_t *global = global_get_ptr();
#endif
runloop_ctl(RUNLOOP_CTL_GET_CONTENT_PATH, &fullpath);
switch (retroarch_path_is_media_type(fullpath))
if (runloop_ctl(RUNLOOP_CTL_GET_CONTENT_PATH, &fullpath))
{
case RARCH_CONTENT_MOVIE:
case RARCH_CONTENT_MUSIC:
if (settings->multimedia.builtin_mediaplayer_enable)
{
#if defined(HAVE_FFMPEG) || defined(HAVE_IMAGEVIEWER)
global_t *global = global_get_ptr();
#endif
switch (retroarch_path_is_media_type(fullpath))
{
case RARCH_CONTENT_MOVIE:
case RARCH_CONTENT_MUSIC:
if (settings->multimedia.builtin_mediaplayer_enable)
{
#ifdef HAVE_FFMPEG
global->has_set.libretro = false;
current_core_type = CORE_TYPE_FFMPEG;
global->has_set.libretro = false;
current_core_type = CORE_TYPE_FFMPEG;
#endif
}
break;
}
break;
#ifdef HAVE_IMAGEVIEWER
case RARCH_CONTENT_IMAGE:
if (settings->multimedia.builtin_imageviewer_enable)
{
global->has_set.libretro = false;
current_core_type = CORE_TYPE_IMAGEVIEWER;
}
break;
case RARCH_CONTENT_IMAGE:
if (settings->multimedia.builtin_imageviewer_enable)
{
global->has_set.libretro = false;
current_core_type = CORE_TYPE_IMAGEVIEWER;
}
break;
#endif
default:
break;
default:
break;
}
}
}
}

23
tasks/task_content.c
View File

@ -168,9 +168,9 @@ static int content_7zip_file_read(
{
CFileInStream archiveStream;
CLookToRead lookStream;
CSzArEx db;
ISzAlloc allocImp;
ISzAlloc allocTempImp;
CSzArEx db = {0};
uint8_t *output = 0;
long outsize = -1;
@ -232,8 +232,10 @@ static int content_7zip_file_read(
}
SzArEx_GetFileNameUtf16(&db, i, temp);
res = utf16_to_char_string(temp, infile, sizeof(infile))
? SZ_OK : SZ_ERROR_FAIL;
res = SZ_ERROR_FAIL;
if (temp)
res = utf16_to_char_string(temp, infile, sizeof(infile))
? SZ_OK : SZ_ERROR_FAIL;
if (string_is_equal(infile, needle))
{
@ -309,9 +311,9 @@ static struct string_list *compressed_7zip_file_list_new(
{
CFileInStream archiveStream;
CLookToRead lookStream;
CSzArEx db;
ISzAlloc allocImp;
ISzAlloc allocTempImp;
CSzArEx db = {0};
size_t temp_size = 0;
struct string_list *list = NULL;
@ -379,8 +381,12 @@ static struct string_list *compressed_7zip_file_list_new(
}
SzArEx_GetFileNameUtf16(&db, i, temp);
res = utf16_to_char_string(temp, infile, sizeof(infile))
? SZ_OK : SZ_ERROR_FAIL;
res = SZ_ERROR_FAIL;
if (temp)
res = utf16_to_char_string(temp, infile, sizeof(infile))
? SZ_OK : SZ_ERROR_FAIL;
file_ext = path_get_extension(infile);
if (string_list_find_elem_prefix(ext_list, ".", file_ext))
@ -1364,9 +1370,8 @@ static bool init_content_file_set_attribs(
else
{
char *fullpath = NULL;
runloop_ctl(RUNLOOP_CTL_GET_CONTENT_PATH, &fullpath);
string_list_append(content, fullpath, attr);
if (runloop_ctl(RUNLOOP_CTL_GET_CONTENT_PATH, &fullpath))
string_list_append(content, fullpath, attr);
}
}