Properly free X11 resources (fixes DoS bug) (Thanks Merovius)
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parent
f216517bb0
commit
1b757b2aa9
3
i3lock.c
3
i3lock.c
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@ -269,6 +269,7 @@ static void redraw_screen() {
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/* XXX: Possible optimization: Only update the area in the middle of the
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* screen instead of the whole screen. */
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xcb_clear_area(conn, 0, win, 0, 0, scr->width_in_pixels, scr->height_in_pixels);
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xcb_free_pixmap(conn, bg_pixmap);
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xcb_flush(conn);
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}
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@ -571,6 +572,7 @@ void handle_screen_resize(xcb_visualtype_t *vistype, xcb_window_t win, uint32_t*
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if (img) {
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xcb_pixmap_t bg_pixmap = draw_image(vistype, last_resolution);
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xcb_change_window_attributes(conn, win, XCB_CW_BACK_PIXMAP, (uint32_t[1]){ bg_pixmap });
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xcb_free_pixmap(conn, bg_pixmap);
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}
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#endif
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@ -830,6 +832,7 @@ int main(int argc, char *argv[]) {
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/* open the fullscreen window, already with the correct pixmap in place */
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win = open_fullscreen_window(conn, scr, color, bg_pixmap);
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xcb_free_pixmap(conn, bg_pixmap);
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cursor = create_cursor(conn, scr, win, curs_choice);
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1
xcb.c
1
xcb.c
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@ -90,6 +90,7 @@ xcb_pixmap_t create_bg_pixmap(xcb_connection_t *conn, xcb_screen_t *scr, u_int32
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xcb_create_gc(conn, gc, bg_pixmap, XCB_GC_FOREGROUND, values);
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xcb_rectangle_t rect = { 0, 0, resolution[0], resolution[1] };
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xcb_poly_fill_rectangle(conn, bg_pixmap, gc, 1, &rect);
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xcb_free_gc(conn, gc);
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return bg_pixmap;
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}
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