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Use compound literals to zero out structs instead of memset

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This is cleaner and much less prone to bugs
This commit is contained in:
jfreegman 2020-11-10 21:25:27 -05:00
parent 752fc6d619
commit 68e1ba312d
No known key found for this signature in database
GPG Key ID: 3627F3144076AE63
15 changed files with 120 additions and 86 deletions
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2
Makefile
View File

@ -6,7 +6,7 @@ CFG_DIR = $(BASE_DIR)/cfg
LIBS = toxcore ncursesw libconfig libcurl
CFLAGS ?= -g
CFLAGS += -std=c99 -pthread -Wall -Wpedantic -Wunused -fstack-protector-all -Wvla
CFLAGS += -std=c99 -pthread -Wall -Wpedantic -Wunused -fstack-protector-all -Wvla -Wmissing-field-initializers -Wno-missing-braces
CFLAGS += '-DTOXICVER="$(VERSION)"' -DHAVE_WIDECHAR -D_XOPEN_SOURCE_EXTENDED -D_FILE_OFFSET_BITS=64
CFLAGS += '-DPACKAGE_DATADIR="$(abspath $(DATADIR))"'
CFLAGS += ${USER_CFLAGS}

5
src/audio_call.c
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@ -1008,7 +1008,10 @@ static void realloc_calls(uint32_t n)
void init_friend_AV(uint32_t index)
{
realloc_calls(CallControl.max_calls + 1);
memset(&CallControl.calls[CallControl.max_calls], 0, sizeof(Call));
CallControl.calls[CallControl.max_calls] = (Call) {
0
};
if (index == CallControl.max_calls) {
++CallControl.max_calls;

4
src/avatars.c
View File

@ -73,7 +73,9 @@ static int check_file_signature(const unsigned char *signature, size_t size, FIL
static void avatar_clear(void)
{
memset(&Avatar, 0, sizeof(struct Avatar));
Avatar = (struct Avatar) {
0
};
}
/* Sends avatar to friendnum.

11
src/chat.c
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@ -946,7 +946,9 @@ static void init_infobox(ToxWindow *self)
UNUSED_VAR(y2);
memset(&ctx->infobox, 0, sizeof(struct infobox));
ctx->infobox = (struct infobox) {
0
};
ctx->infobox.win = newwin(INFOBOX_HEIGHT, INFOBOX_WIDTH + 1, 1, x2 - INFOBOX_WIDTH);
ctx->infobox.starttime = get_unix_time();
@ -964,7 +966,10 @@ static void kill_infobox(ToxWindow *self)
}
delwin(ctx->infobox.win);
memset(&ctx->infobox, 0, sizeof(struct infobox));
ctx->infobox = (struct infobox) {
0
};
}
/* update infobox info and draw in respective chat window */
@ -1142,7 +1147,7 @@ bool chat_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
char line[MAX_STR_SIZE] = {0};
if (wcs_to_mbs_buf(line, ctx->line, MAX_STR_SIZE) == -1) {
memset(&line, 0, sizeof(line));
memset(line, 0, sizeof(line));
}
if (line[0] == '/') {

7
src/conference.c
View File

@ -157,7 +157,10 @@ void free_conference(ToxWindow *self, uint32_t conferencenum)
{
free_ptr_array((void **) conferences[conferencenum].name_list);
free(conferences[conferencenum].peer_list);
memset(&conferences[conferencenum], 0, sizeof(ConferenceChat));
conferences[conferencenum] = (ConferenceChat) {
0
};
int i;
@ -577,7 +580,7 @@ static bool conference_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
char line[MAX_STR_SIZE];
if (wcs_to_mbs_buf(line, ctx->line, MAX_STR_SIZE) == -1) {
memset(&line, 0, sizeof(line));
memset(line, 0, sizeof(line));
}
if (line[0] == '/') {

29
src/file_transfers.c
View File

@ -126,14 +126,19 @@ void refresh_file_transfer_progress(ToxWindow *self, uint32_t friendnum)
}
}
static void clear_file_transfer(struct FileTransfer *ft)
{
*ft = (struct FileTransfer) {
0
};
}
/* Returns a pointer to friendnum's FileTransfer struct associated with filenum.
* Returns NULL if filenum is invalid.
*/
struct FileTransfer *get_file_transfer_struct(uint32_t friendnum, uint32_t filenum)
{
size_t i;
for (i = 0; i < MAX_FILES; ++i) {
for (size_t i = 0; i < MAX_FILES; ++i) {
struct FileTransfer *ft_send = &Friends.list[friendnum].file_sender[i];
if (ft_send->state != FILE_TRANSFER_INACTIVE && ft_send->filenum == filenum) {
@ -160,9 +165,7 @@ struct FileTransfer *get_file_transfer_struct_index(uint32_t friendnum, uint32_t
return NULL;
}
size_t i;
for (i = 0; i < MAX_FILES; ++i) {
for (size_t i = 0; i < MAX_FILES; ++i) {
struct FileTransfer *ft = direction == FILE_TRANSFER_SEND ?
&Friends.list[friendnum].file_sender[i] :
&Friends.list[friendnum].file_receiver[i];
@ -180,13 +183,11 @@ struct FileTransfer *get_file_transfer_struct_index(uint32_t friendnum, uint32_t
*/
static struct FileTransfer *new_file_sender(ToxWindow *window, uint32_t friendnum, uint32_t filenum, uint8_t type)
{
size_t i;
for (i = 0; i < MAX_FILES; ++i) {
for (size_t i = 0; i < MAX_FILES; ++i) {
struct FileTransfer *ft = &Friends.list[friendnum].file_sender[i];
if (ft->state == FILE_TRANSFER_INACTIVE) {
memset(ft, 0, sizeof(struct FileTransfer));
clear_file_transfer(ft);
ft->window = window;
ft->index = i;
ft->friendnum = friendnum;
@ -207,13 +208,11 @@ static struct FileTransfer *new_file_sender(ToxWindow *window, uint32_t friendnu
*/
static struct FileTransfer *new_file_receiver(ToxWindow *window, uint32_t friendnum, uint32_t filenum, uint8_t type)
{
size_t i;
for (i = 0; i < MAX_FILES; ++i) {
for (size_t i = 0; i < MAX_FILES; ++i) {
struct FileTransfer *ft = &Friends.list[friendnum].file_receiver[i];
if (ft->state == FILE_TRANSFER_INACTIVE) {
memset(ft, 0, sizeof(struct FileTransfer));
clear_file_transfer(ft);
ft->window = window;
ft->index = i;
ft->friendnum = friendnum;
@ -281,7 +280,7 @@ void close_file_transfer(ToxWindow *self, Tox *m, struct FileTransfer *ft, int C
line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "%s", message);
}
memset(ft, 0, sizeof(struct FileTransfer));
clear_file_transfer(ft);
}
/* Kills all active file transfers for friendnum */

38
src/friendlist.c
View File

@ -127,6 +127,20 @@ void kill_friendlist(ToxWindow *self)
del_window(self);
}
static void clear_blocklist_index(size_t idx)
{
Blocked.list[idx] = (BlockedFriend) {
0
};
}
static void clear_friendlist_index(size_t idx)
{
Friends.list[idx] = (ToxicFriend) {
0
};
}
/* Saves the blocklist to path. If there are no items in the blocklist the
* empty file will be removed.
*
@ -160,8 +174,7 @@ static int save_blocklist(char *path)
continue;
}
BlockedFriend tmp;
memset(&tmp, 0, sizeof(BlockedFriend));
BlockedFriend tmp = {0};
tmp.namelength = htons(Blocked.list[i].namelength);
memcpy(tmp.name, Blocked.list[i].name, Blocked.list[i].namelength + 1); // Include null byte
memcpy(tmp.pub_key, Blocked.list[i].pub_key, TOX_PUBLIC_KEY_SIZE);
@ -271,9 +284,8 @@ int load_blocklist(char *path)
realloc_blocklist(num);
for (int i = 0; i < num; ++i) {
BlockedFriend tmp;
memset(&tmp, 0, sizeof(BlockedFriend));
memset(&Blocked.list[i], 0, sizeof(BlockedFriend));
BlockedFriend tmp = {0};
clear_blocklist_index(i);
memcpy(&tmp, data + i * sizeof(BlockedFriend), sizeof(BlockedFriend));
Blocked.list[i].namelength = ntohs(tmp.namelength);
@ -476,7 +488,7 @@ void friendlist_onFriendAdded(ToxWindow *self, Tox *m, uint32_t num, bool sort)
UNUSED_VAR(self);
realloc_friends(Friends.max_idx + 1);
memset(&Friends.list[Friends.max_idx], 0, sizeof(ToxicFriend));
clear_friendlist_index(Friends.max_idx);
uint32_t i;
@ -536,7 +548,7 @@ void friendlist_onFriendAdded(ToxWindow *self, Tox *m, uint32_t num, bool sort)
static void friendlist_add_blocked(uint32_t fnum, uint32_t bnum)
{
realloc_friends(Friends.max_idx + 1);
memset(&Friends.list[Friends.max_idx], 0, sizeof(ToxicFriend));
clear_friendlist_index(Friends.max_idx);
int i;
@ -679,7 +691,7 @@ static void delete_friend(Tox *m, uint32_t f_num)
free(Friends.list[f_num].conference_invite.key);
}
memset(&Friends.list[f_num], 0, sizeof(ToxicFriend));
clear_friendlist_index(f_num);
int i;
@ -728,7 +740,11 @@ static void del_friend_deactivate(Tox *m, wint_t key)
}
delwin(PendingDelete.popup);
memset(&PendingDelete, 0, sizeof(PendingDelete));
PendingDelete = (struct PendingDel) {
0
};
clear();
refresh();
}
@ -766,7 +782,7 @@ static void draw_del_popup(void)
/* deletes contact from blocked list */
static void delete_blocked_friend(uint32_t bnum)
{
memset(&Blocked.list[bnum], 0, sizeof(BlockedFriend));
clear_blocklist_index(bnum);
int i;
@ -794,7 +810,7 @@ void block_friend(Tox *m, uint32_t fnum)
}
realloc_blocklist(Blocked.max_idx + 1);
memset(&Blocked.list[Blocked.max_idx], 0, sizeof(BlockedFriend));
clear_blocklist_index(Blocked.max_idx);
int i;

8
src/global_commands.c
View File

@ -76,7 +76,9 @@ void cmd_accept(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[
on_friend_added(m, friendnum, true);
}
memset(&FrndRequests.request[req], 0, sizeof(struct friend_request));
FrndRequests.request[req] = (struct friend_request) {
0
};
int i;
@ -322,7 +324,9 @@ void cmd_decline(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)
return;
}
memset(&FrndRequests.request[req], 0, sizeof(struct friend_request));
FrndRequests.request[req] = (struct friend_request) {
0
};
int i;

5
src/help.c
View File

@ -59,7 +59,10 @@ void help_init_menu(ToxWindow *self)
static void help_exit(ToxWindow *self)
{
delwin(self->help->win);
memset(self->help, 0, sizeof(Help));
*(self->help) = (struct Help) {
0
};
}
static void help_init_window(ToxWindow *self, int height, int width)

4
src/log.c
View File

@ -158,7 +158,9 @@ void log_disable(struct chatlog *log)
fclose(log->file);
}
memset(log, 0, sizeof(struct chatlog));
*log = (struct chatlog) {
0
};
}
int log_enable(char *name, const char *selfkey, const char *otherkey, struct chatlog *log, int logtype)

15
src/name_lookup.c
View File

@ -63,6 +63,13 @@ static struct lookup_thread {
pthread_attr_t attr;
} lookup_thread;
static void clear_thread_data(void)
{
t_data = (struct thread_data) {
0
};
}
static int lookup_error(ToxWindow *self, const char *errmsg, ...)
{
char frmt_msg[MAX_STR_SIZE];
@ -81,7 +88,7 @@ static int lookup_error(ToxWindow *self, const char *errmsg, ...)
static void kill_lookup_thread(void)
{
memset(&t_data, 0, sizeof(struct thread_data));
clear_thread_data();
pthread_attr_destroy(&lookup_thread.attr);
pthread_exit(NULL);
}
@ -376,21 +383,21 @@ void name_lookup(ToxWindow *self, Tox *m, const char *id_bin, const char *addr,
if (pthread_attr_init(&lookup_thread.attr) != 0) {
line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, RED, "Error: lookup thread attr failed to init");
memset(&t_data, 0, sizeof(struct thread_data));
clear_thread_data();
return;
}
if (pthread_attr_setdetachstate(&lookup_thread.attr, PTHREAD_CREATE_DETACHED) != 0) {
line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, RED, "Error: lookup thread attr failed to set");
pthread_attr_destroy(&lookup_thread.attr);
memset(&t_data, 0, sizeof(struct thread_data));
clear_thread_data();
return;
}
if (pthread_create(&lookup_thread.tid, &lookup_thread.attr, lookup_thread_func, NULL) != 0) {
line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, RED, "Error: lookup thread failed to init");
pthread_attr_destroy(&lookup_thread.attr);
memset(&t_data, 0, sizeof(struct thread_data));
clear_thread_data();
return;
}
}

51
src/notify.c
View File

@ -101,6 +101,17 @@ static struct _ActiveNotifications {
/**********************************************************************************/
/**********************************************************************************/
static void clear_actives_index(size_t idx)
{
if (actives[idx].id_indicator) {
*actives[idx].id_indicator = -1;
}
actives[idx] = (struct _ActiveNotifications) {
0
};
}
/* coloured tab notifications: primary notification type */
static void tab_notify(ToxWindow *self, uint64_t flags)
{
@ -213,7 +224,7 @@ void graceful_clear(void)
stop_sound(i);
} else {
if (!is_playing(actives[i].source)) {
memset(&actives[i], 0, sizeof(struct _ActiveNotifications));
clear_actives_index(i);
} else {
break;
}
@ -270,7 +281,7 @@ void *do_playing(void *_p)
alSourceStop(actives[i].source);
alDeleteSources(1, &actives[i].source);
alDeleteBuffers(1, &actives[i].buffer);
memset(&actives[i], 0, sizeof(struct _ActiveNotifications));
clear_actives_index(i);
}
}
@ -289,7 +300,7 @@ void *do_playing(void *_p)
alSourceStop(actives[i].source);
alDeleteSources(1, &actives[i].source);
alDeleteBuffers(1, &actives[i].buffer);
memset(&actives[i], 0, sizeof(struct _ActiveNotifications));
clear_actives_index(i);
}
}
@ -344,19 +355,11 @@ void *do_playing(void *_p)
break;
}
int i;
for (i = 0; i < ACTIVE_NOTIFS_MAX; ++i) {
for (size_t i = 0; i < ACTIVE_NOTIFS_MAX; ++i) {
if (actives[i].box && time(NULL) >= actives[i].n_timeout) {
GError *ignore;
notify_notification_close(actives[i].box, &ignore);
actives[i].box = NULL;
if (actives[i].id_indicator) {
*actives[i].id_indicator = -1; /* reset indicator value */
}
memset(&actives[i], 0, sizeof(struct _ActiveNotifications));
clear_actives_index(i);
}
}
@ -369,21 +372,15 @@ void *do_playing(void *_p)
void graceful_clear(void)
{
int i;
control_lock();
for (i = 0; i < ACTIVE_NOTIFS_MAX; ++i) {
for (size_t i = 0; i < ACTIVE_NOTIFS_MAX; ++i) {
if (actives[i].box) {
GError *ignore;
notify_notification_close(actives[i].box, &ignore);
actives[i].box = NULL;
}
if (actives[i].id_indicator) {
*actives[i].id_indicator = -1; /* reset indicator value */
}
memset(&actives[i], 0, sizeof(struct _ActiveNotifications));
clear_actives_index(i);
}
control_unlock();
@ -410,10 +407,7 @@ void kill_notifs(int id)
}
#endif // BOX_NOTIFY
actives[i] = (struct _ActiveNotifications) {
0
};
clear_actives_index(i);
}
}
@ -553,7 +547,6 @@ int play_notify_sound(Notification notif, uint64_t flags)
return rc;
}
void stop_sound(int id)
{
if (id >= 0 && id < ACTIVE_NOTIFS_MAX && actives[id].looping && actives[id].active) {
@ -566,15 +559,11 @@ void stop_sound(int id)
#endif /* BOX_NOTIFY */
if (actives[id].id_indicator) {
*actives[id].id_indicator = -1;
}
// alSourcei(actives[id].source, AL_LOOPING, false);
alSourceStop(actives[id].source);
alDeleteSources(1, &actives[id].source);
alDeleteBuffers(1, &actives[id].buffer);
memset(&actives[id], 0, sizeof(struct _ActiveNotifications));
clear_actives_index(id);
}
}
#endif /* SOUND_NOTIFY */

2
src/prompt.c
View File

@ -284,7 +284,7 @@ static bool prompt_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
char line[MAX_STR_SIZE] = {0};
if (wcs_to_mbs_buf(line, ctx->line, MAX_STR_SIZE) == -1) {
memset(&line, 0, sizeof(line));
memset(line, 0, sizeof(line));
}
line_info_add(self, NULL, NULL, NULL, PROMPT, 0, 0, "%s", line);

9
src/toxic.c
View File

@ -173,7 +173,10 @@ void free_global_data(void)
void exit_toxic_success(Tox *m)
{
store_data(m, DATA_FILE);
memset(&user_password, 0, sizeof(struct user_password));
user_password = (struct user_password) {
0
};
terminate_notify();
@ -1046,7 +1049,9 @@ static void print_version(void)
static void set_default_opts(void)
{
memset(&arg_opts, 0, sizeof(struct arg_opts));
arg_opts = (struct arg_opts) {
0
};
/* set any non-zero defaults here*/
arg_opts.proxy_type = TOX_PROXY_TYPE_NONE;

16
src/video_device.c
View File

@ -401,8 +401,7 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
}
/* Setup video format */
struct v4l2_format fmt;
memset(&(fmt), 0, sizeof(fmt));
struct v4l2_format fmt = {0};
fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
@ -418,8 +417,8 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
device->video_height = fmt.fmt.pix.height;
/* Request buffers */
struct v4l2_requestbuffers req;
memset(&(req), 0, sizeof(req));
struct v4l2_requestbuffers req = {0};
req.count = 4;
req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
req.memory = V4L2_MEMORY_MMAP;
@ -441,8 +440,7 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
device->buffers = calloc(req.count, sizeof(struct VideoBuffer));
for (i = 0; i < req.count; ++i) {
struct v4l2_buffer buf;
memset(&(buf), 0, sizeof(buf));
struct v4l2_buffer buf = {0};
buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
buf.memory = V4L2_MEMORY_MMAP;
@ -479,8 +477,7 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
enum v4l2_buf_type type;
for (i = 0; i < device->n_buffers; ++i) {
struct v4l2_buffer buf;
memset(&(buf), 0, sizeof(buf));
struct v4l2_buffer buf = {0};
buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
buf.memory = V4L2_MEMORY_MMAP;
@ -698,8 +695,7 @@ void *video_thread_poll(void *arg) // TODO: maybe use thread for every input so
}
#else /* not __OSX__ || __APPLE__ */
struct v4l2_buffer buf;
memset(&(buf), 0, sizeof(buf));
struct v4l2_buffer buf = {0};
buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
buf.memory = V4L2_MEMORY_MMAP;