mirrors/fltk
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Wayland: add security test to avoid NULL pointer dereferencing

Browse Source
This commit is contained in:
ManoloFLTK 2023-10-03 08:13:33 +02:00
parent 74e63d9077
commit 4132590d8c
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx
View File

@ -339,9 +339,8 @@ void Fl_Wayland_Window_Driver::make_current() {
}
// to support progressive drawing
if ( (!Fl_Wayland_Window_Driver::in_flush_) && window->buffer && (!window->buffer->cb) &&
!wait_for_expose_value ) {
//fprintf(stderr, "direct make_current: new cb=%p\n", window->buffer->cb);
if ( (!Fl_Wayland_Window_Driver::in_flush_) && window->buffer && (!window->buffer->cb)
&& window->buffer->draw_buffer_needs_commit && (!wait_for_expose_value) ) {
Fl_Wayland_Graphics_Driver::buffer_commit(window);
}
@ -873,8 +872,7 @@ static void handle_configure(struct libdecor_frame *frame,
#ifndef LIBDECOR_MR131
bool in_decorated_window_resizing = (window->state & LIBDECOR_WINDOW_STATE_RESIZING);
#endif
//printf("resize request received from compositor to %dx%d\n",width,height);
if (in_decorated_window_resizing && window->buffer->cb) {
if (in_decorated_window_resizing && window->buffer && window->buffer->cb) {
// Skip resizing & redrawing. The last resize request won't be skipped because
// in_decorated_window_resizing will be false then.
return;