Use (void) in prototypes instead of ().

Also, removed `__inline` from an extern function (why was it there?).
Also, moved one extern declaration to a header file. There are lots of
these that need to be moved, but one thing at a time.

src/audio_call.h

@@ -85,7 +85,7 @@ extern struct CallControl CallControl;
 
 /* You will have to pass pointer to first member of 'windows' declared in windows.c */
 ToxAV *init_audio(ToxWindow *self, Tox *tox);
-void terminate_audio();
+void terminate_audio(void);
 int start_transmission(ToxWindow *self, Call *call);
 int stop_transmission(Call *call, uint32_t friend_number);
 void stop_current_call(ToxWindow *self);

src/audio_device.h

@@ -58,11 +58,11 @@ typedef void (*DataHandleCallback)(const int16_t *, uint32_t size, void *data);
 #ifdef AUDIO
 DeviceError init_devices(ToxAV *av);
 #else
-DeviceError init_devices();
+DeviceError init_devices(void);
 #endif /* AUDIO */
 
-void get_devices_names();
+void get_devices_names(void);
-DeviceError terminate_devices();
+DeviceError terminate_devices(void);
 
 /* Callback handles ready data from INPUT device */
 DeviceError register_device_callback(int32_t friend_number, uint32_t device_idx, DataHandleCallback callback,

src/chat.c

@@ -936,7 +936,7 @@ static void draw_infobox(ToxWindow *self)
     wattron(infobox->win, A_BOLD);
     wprintw(infobox->win, " VAD level: ");
     wattroff(infobox->win, A_BOLD);
-    wprintw(infobox->win, "%.2f\n", infobox->vad_lvl);
+    wprintw(infobox->win, "%.2f\n", (double) infobox->vad_lvl);
 
     wborder(infobox->win, ACS_VLINE, ' ', ACS_HLINE, ACS_HLINE, ACS_TTEE, ' ', ACS_LLCORNER, ' ');
     wnoutrefresh(infobox->win);

src/chat_commands.c

@@ -125,7 +125,7 @@ void cmd_join_group(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*ar
 
     TOX_ERR_CONFERENCE_JOIN err;
 
-    uint32_t groupnum = tox_conference_join(m, self->num, (uint8_t *) groupkey, length, &err);
+    uint32_t groupnum = tox_conference_join(m, self->num, (const uint8_t *) groupkey, length, &err);
 
     if (err != TOX_ERR_CONFERENCE_JOIN_OK) {
         line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Group chat instance failed to initialize (error %d)", err);

src/global_commands.c

@@ -41,7 +41,6 @@
 extern char *DATA_FILE;
 extern ToxWindow *prompt;
 extern FriendsList Friends;
-extern FriendRequests FrndRequests;
 
 /* command functions */
 void cmd_accept(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
@@ -94,7 +93,7 @@ void cmd_add_helper(ToxWindow *self, Tox *m, const char *id_bin, const char *msg
     const char *errmsg;
 
     TOX_ERR_FRIEND_ADD err;
-    uint32_t f_num = tox_friend_add(m, (uint8_t *) id_bin, (uint8_t *) msg, strlen(msg), &err);
+    uint32_t f_num = tox_friend_add(m, (const uint8_t *) id_bin, (const uint8_t *) msg, strlen(msg), &err);
 
     switch (err) {
         case TOX_ERR_FRIEND_ADD_TOO_LONG:

src/groupchat.c

@@ -439,10 +439,10 @@ static void groupchat_onGroupPeerNameChange(ToxWindow *self, Tox *m, uint32_t gr
             get_time_str(timefrmt, sizeof(timefrmt));
 
             char tmp_event[TOXIC_MAX_NAME_LENGTH * 2 + 32];
-            snprintf(tmp_event, sizeof(tmp_event), "is now known as %s", (char *) name);
+            snprintf(tmp_event, sizeof(tmp_event), "is now known as %s", (const char *) name);
 
             write_to_log(tmp_event, peer->name, ctx->log, true);
-            line_info_add(self, timefrmt, peer->name, (char *) name, NAME_CHANGE, 0, 0, " is now known as ");
+            line_info_add(self, timefrmt, peer->name, (const char *) name, NAME_CHANGE, 0, 0, " is now known as ");
 
             break;
         }

src/name_lookup.c

@@ -42,7 +42,7 @@ extern struct Winthread Winthread;
 #define MAX_DOMAIN_SIZE 32
 #define MAX_SERVER_LINE MAX_DOMAIN_SIZE + (SERVER_KEY_SIZE * 2) + 3
 
-struct Nameservers {
+static struct Nameservers {
     int     lines;
     char    names[MAX_SERVERS][MAX_DOMAIN_SIZE];
     char    keys[MAX_SERVERS][SERVER_KEY_SIZE];

src/notify.c

@@ -64,7 +64,7 @@
 
 extern struct user_settings *user_settings;
 
-struct Control {
+static struct Control {
     time_t cooldown;
     time_t notif_timeout;
 
@@ -79,7 +79,7 @@ struct Control {
 #endif /* SOUND_NOTIFY */
 } Control = {0};
 
-struct _ActiveNotifications {
+static struct _ActiveNotifications {
 #ifdef SOUND_NOTIFY
     uint32_t source;
     uint32_t buffer;

src/notify.h

@@ -60,7 +60,7 @@ typedef enum _Flags {
 } Flags;
 
 int init_notify(int login_cooldown, int notification_timeout);
-void terminate_notify();
+void terminate_notify(void);
 
 int sound_notify(ToxWindow *self, Notification notif, uint64_t flags, int *id_indicator);
 int sound_notify2(ToxWindow *self, Notification notif, uint64_t flags, int id);

src/osx_video.h

@@ -45,7 +45,7 @@ void bgrtoyuv420(uint8_t *plane_y, uint8_t *plane_u, uint8_t *plane_v, uint8_t *
 #endif /* __OBJC__ */
 
 int osx_video_init(char **device_names, int *size);
-void osx_video_release();
+void osx_video_release(void);
 /* Start device */
 int osx_video_open_device(uint32_t selection, uint16_t *width, uint16_t *height);
 /* Stop device */

src/prompt.c

@@ -160,7 +160,7 @@ void prompt_update_statusmessage(ToxWindow *prompt, Tox *m, const char *statusms
     statusbar->statusmsg_len = len;
 
     TOX_ERR_SET_INFO err;
-    tox_self_set_status_message(m, (uint8_t *) statusmsg, len, &err);
+    tox_self_set_status_message(m, (const uint8_t *) statusmsg, len, &err);
 
     if (err != TOX_ERR_SET_INFO_OK) {
         line_info_add(prompt, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to set note (error %d)\n", err);

src/prompt.h

@@ -40,6 +40,8 @@ typedef struct {
     struct friend_request request[MAX_FRIEND_REQUESTS];
 } FriendRequests;
 
+extern FriendRequests FrndRequests;
+
 ToxWindow new_prompt(void);
 
 void prep_prompt_win(void);

src/term_mplex.h

@@ -29,7 +29,7 @@
  */
 int init_mplex_away_timer(Tox *m);
 
-void lock_status();
+void lock_status(void);
-void unlock_status();
+void unlock_status(void);
 
 #endif /* #define TERM_MPLEX_H */

src/toxic.h

@@ -96,8 +96,8 @@ typedef enum _FATAL_ERRS {
    Uncomment if necessary */
 /* #define URXVT_FIX */
 
-void lock_status();
+void lock_status(void);
-void unlock_status();
+void unlock_status(void);
 
 void exit_toxic_success(Tox *m);
 void exit_toxic_err(const char *errmsg, int errcode);

src/video_call.h

@@ -31,7 +31,7 @@
 
 /* You will have to pass pointer to first member of 'windows' declared in windows.c */
 ToxAV *init_video(ToxWindow *self, Tox *tox);
-void terminate_video();
+void terminate_video(void);
 int start_video_transmission(ToxWindow *self, ToxAV *av, Call *call);
 int stop_video_transmission(Call *call, int friend_number);
 void stop_video_stream(ToxWindow *self);

src/video_device.c

@@ -591,7 +591,7 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
     return vde_None;
 }
 
-__inline VideoDeviceError write_video_out(uint16_t width, uint16_t height,
+VideoDeviceError write_video_out(uint16_t width, uint16_t height,
         uint8_t const *y, uint8_t const *u, uint8_t const *v,
         int32_t ystride, int32_t ustride, int32_t vstride,
         void *user_data)

src/video_device.h

@@ -51,10 +51,10 @@ typedef void (*VideoDataHandleCallback)(int16_t width, int16_t height, const uin
 #ifdef VIDEO
 VideoDeviceError init_video_devices(ToxAV *av);
 #else
-VideoDeviceError init_video_devices();
+VideoDeviceError init_video_devices(void);
 #endif /* VIDEO */
 
-VideoDeviceError terminate_video_devices();
+VideoDeviceError terminate_video_devices(void);
 
 /* Callback handles ready data from INPUT device */
 VideoDeviceError register_video_device_callback(int32_t call_idx, uint32_t device_idx, VideoDataHandleCallback callback,

src/xtra.h

@@ -34,8 +34,8 @@ DropType;
 typedef void (*drop_callback)(const char *, DropType);
 
 int               init_xtra(drop_callback d);
-void              terminate_xtra();
+void              terminate_xtra(void);
-long unsigned int focused_window_id();
+long unsigned int focused_window_id(void);
-int               is_focused(); /* returns bool */
+int               is_focused(void); /* returns bool */
 
 #endif /* XTRA_H */