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Dont crash if GLFW gives us obviously erroneous framebuffer sizes

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Fixes #1696
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Kovid Goyal 2019-06-07 09:28:30 +05:30
parent 84fcabe5cf
commit 857a53e80f
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1 changed files with 4 additions and 0 deletions
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kitty/glfw.c
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@ -44,6 +44,10 @@ update_os_window_viewport(OSWindow *window, bool notify_boss) {
if (fw == window->viewport_width && fh == window->viewport_height && w == window->window_width && h == window->window_height) { if (fw == window->viewport_width && fh == window->viewport_height && w == window->window_width && h == window->window_height) {
return; // no change, ignore return; // no change, ignore
} }
if (fw / w > 5 || fh / h > 5 || fw < min_width || fh < min_height || fw < w || fh < h) {
log_error("Invalid geometry ignored: framebuffer: %dx%d window: %dx%d\n", fw, fh, w, h);
return;
}
window->viewport_width = fw; window->viewport_height = fh; window->viewport_width = fw; window->viewport_height = fh;
double xr = window->viewport_x_ratio, yr = window->viewport_y_ratio; double xr = window->viewport_x_ratio, yr = window->viewport_y_ratio;
window->viewport_x_ratio = w > 0 ? (double)window->viewport_width / (double)w : xr; window->viewport_x_ratio = w > 0 ? (double)window->viewport_width / (double)w : xr;