ecore-x: Add EINA_SAFETY checks for missing display
xlib immediately crashes upon being passed a null DISPLAY object,
so every function in ecore-x should likely have safety checks such
as these.
@ref 210b3e6c62
@fix
Signed-off-by: Chris Michael <cpmichael@osg.samsung.com>
This commit is contained in:
parent
b4f254e1a3
commit
adeb28a1c0
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@ -879,6 +879,7 @@ EAPI int
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ecore_x_fd_get(void)
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{
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, 0);
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return ConnectionNumber(_ecore_x_disp);
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}
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@ -891,6 +892,7 @@ EAPI Ecore_X_Screen *
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ecore_x_default_screen_get(void)
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{
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, NULL);
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return (Ecore_X_Screen *)DefaultScreenOfDisplay(_ecore_x_disp);
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}
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@ -930,7 +932,7 @@ EAPI int
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ecore_x_screen_count_get(void)
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{
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, 0);
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return ScreenCount(_ecore_x_disp);
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}
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@ -961,6 +963,7 @@ ecore_x_screen_index_get(const Ecore_X_Screen *screen)
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EAPI Ecore_X_Screen *
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ecore_x_screen_get(int idx)
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{
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, NULL);
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return XScreenOfDisplay(_ecore_x_disp, idx);
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}
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@ -1012,6 +1015,7 @@ EAPI void
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ecore_x_flush(void)
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{
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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XFlush(_ecore_x_disp);
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}
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@ -1024,6 +1028,7 @@ EAPI void
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ecore_x_sync(void)
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{
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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XSync(_ecore_x_disp, False);
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}
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@ -1046,6 +1051,7 @@ ecore_x_killall(Ecore_X_Window root)
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unsigned int num_children = 0;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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XGrabServer(_ecore_x_disp);
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/* Tranverse window tree starting from root, and drag each
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* before the firing squad */
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@ -1074,6 +1080,7 @@ EAPI void
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ecore_x_kill(Ecore_X_Window win)
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{
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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XKillClient(_ecore_x_disp, win);
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if (_ecore_xlib_sync) ecore_x_sync();
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}
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@ -1102,6 +1109,7 @@ ecore_x_dpi_get(void)
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Screen *s;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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s = DefaultScreenOfDisplay(_ecore_x_disp);
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if (s->mwidth <= 0)
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return 75;
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@ -1126,6 +1134,7 @@ ecore_x_bell(int percent)
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{
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int ret;
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, EINA_FALSE);
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ret = XBell(_ecore_x_disp, percent);
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if (ret == BadValue)
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return EINA_FALSE;
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@ -2069,6 +2078,7 @@ ecore_x_client_message32_send(Ecore_X_Window win,
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Eina_Bool ret;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, EINA_FALSE);
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xev.xclient.window = win;
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xev.xclient.type = ClientMessage;
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xev.xclient.message_type = type;
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@ -2104,6 +2114,7 @@ ecore_x_client_message8_send(Ecore_X_Window win,
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Eina_Bool ret;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, EINA_FALSE);
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xev.xclient.window = win;
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xev.xclient.type = ClientMessage;
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xev.xclient.message_type = type;
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@ -2132,6 +2143,7 @@ ecore_x_mouse_move_send(Ecore_X_Window win,
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Eina_Bool ret;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, EINA_FALSE);
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XGetWindowAttributes(_ecore_x_disp, win, &att);
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XTranslateCoordinates(_ecore_x_disp, win, att.root, x, y, &rx, &ry, &tw);
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xev.xmotion.type = MotionNotify;
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@ -2164,6 +2176,7 @@ ecore_x_mouse_down_send(Ecore_X_Window win,
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Eina_Bool ret;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, EINA_FALSE);
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XGetWindowAttributes(_ecore_x_disp, win, &att);
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XTranslateCoordinates(_ecore_x_disp, win, att.root, x, y, &rx, &ry, &tw);
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xev.xbutton.type = ButtonPress;
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@ -2196,6 +2209,7 @@ ecore_x_mouse_up_send(Ecore_X_Window win,
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Eina_Bool ret;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, EINA_FALSE);
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XGetWindowAttributes(_ecore_x_disp, win, &att);
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XTranslateCoordinates(_ecore_x_disp, win, att.root, x, y, &rx, &ry, &tw);
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xev.xbutton.type = ButtonRelease;
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@ -2227,6 +2241,7 @@ ecore_x_mouse_in_send(Ecore_X_Window win,
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Eina_Bool ret;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, EINA_FALSE);
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XGetWindowAttributes(_ecore_x_disp, win, &att);
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XTranslateCoordinates(_ecore_x_disp, win, att.root, x, y, &rx, &ry, &tw);
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xev.xcrossing.type = EnterNotify;
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@ -2260,6 +2275,7 @@ ecore_x_mouse_out_send(Ecore_X_Window win,
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Eina_Bool ret;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, EINA_FALSE);
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XGetWindowAttributes(_ecore_x_disp, win, &att);
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XTranslateCoordinates(_ecore_x_disp, win, att.root, x, y, &rx, &ry, &tw);
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xev.xcrossing.type = LeaveNotify;
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@ -2285,6 +2301,7 @@ EAPI void
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ecore_x_focus_reset(void)
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{
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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XSetInputFocus(_ecore_x_disp, PointerRoot, RevertToPointerRoot, CurrentTime);
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if (_ecore_xlib_sync) ecore_x_sync();
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}
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@ -2293,6 +2310,7 @@ EAPI void
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ecore_x_events_allow_all(void)
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{
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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XAllowEvents(_ecore_x_disp, AsyncBoth, CurrentTime);
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if (_ecore_xlib_sync) ecore_x_sync();
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}
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@ -2318,6 +2336,7 @@ ecore_x_pointer_xy_get(Ecore_X_Window win,
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unsigned int mask;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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ret = XQueryPointer(_ecore_x_disp, win, &rwin, &cwin,
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&rx, &ry, &wx, &wy, &mask);
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if (!ret)
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@ -2338,6 +2357,7 @@ ecore_x_pointer_root_xy_get(int *x, int *y)
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unsigned int mask;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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root = ecore_x_window_root_list(&num);
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for (i = 0; i < num; i++)
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{
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@ -2430,6 +2450,7 @@ EAPI void
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ecore_x_xkb_select_group(int group)
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{
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#ifdef ECORE_XKB
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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XkbLockGroup(_ecore_x_disp, XkbUseCoreKbd, group);
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if (_ecore_xlib_sync) ecore_x_sync();
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#endif
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@ -2473,4 +2494,3 @@ _ecore_x_event_modifier(unsigned int state)
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return xmodifiers;
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}
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@ -49,6 +49,7 @@ ecore_x_atom_get(const char *name)
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return 0;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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atom = XInternAtom(_ecore_x_disp, name, False);
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if (_ecore_xlib_sync) ecore_x_sync();
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return atom;
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@ -62,10 +63,8 @@ ecore_x_atoms_get(const char **names,
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Atom *atoms_int;
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int i;
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if (!_ecore_x_disp)
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return;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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atoms_int = alloca(num * sizeof(Atom));
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XInternAtoms(_ecore_x_disp, (char **)names, num, False, atoms_int);
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for (i = 0; i < num; i++)
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@ -79,11 +78,10 @@ ecore_x_atom_name_get(Ecore_X_Atom atom)
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char *name;
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char *xname;
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if (!_ecore_x_disp)
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return NULL;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, NULL);
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xname = XGetAtomName(_ecore_x_disp, atom);
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if (_ecore_xlib_sync) ecore_x_sync();
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if (!xname)
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@ -22,6 +22,7 @@ ecore_x_cursor_new(Ecore_X_Window win,
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{
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#ifdef ECORE_XCURSOR
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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if (_ecore_x_xcursor)
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{
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Cursor c;
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@ -217,6 +218,7 @@ EAPI void
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ecore_x_cursor_free(Ecore_X_Cursor c)
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{
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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XFreeCursor(_ecore_x_disp, c);
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if (_ecore_xlib_sync) ecore_x_sync();
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}
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@ -242,6 +244,7 @@ ecore_x_cursor_size_set(int size)
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{
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#ifdef ECORE_XCURSOR
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN(_ecore_x_disp);
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XcursorSetDefaultSize(_ecore_x_disp, size);
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if (_ecore_xlib_sync) ecore_x_sync();
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#else /* ifdef ECORE_XCURSOR */
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@ -254,6 +257,7 @@ ecore_x_cursor_size_get(void)
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{
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#ifdef ECORE_XCURSOR
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, 0);
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return XcursorGetDefaultSize(_ecore_x_disp);
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#else /* ifdef ECORE_XCURSOR */
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return 0;
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