Prevent zero sized wl_egl_window

It is illegal to create or resize a window to zero (or negative) width
and/or height.  This patch prevents such a request from happening.

diff --git a/src/egl/wayland/wayland-egl/wayland-egl.c b/src/egl/wayland/wayland-egl/wayland-egl.c
index 8bd49cf6c4fc324e7a193ff2bda58dd27a33a390..ae78595b92cc578fd2e5a47e0a7bf45a29bcdeb1 100644 (file)
--- a/src/egl/wayland/wayland-egl/wayland-egl.c
+++ b/src/egl/wayland/wayland-egl/wayland-egl.c
@@ -9,6 +9,9 @@ wl_egl_window_resize(struct wl_egl_window *egl_window,
                     int width, int height,
                     int dx, int dy)
 {
+       if (width <= 0 || height <= 0)
+               return;
+
        egl_window->width  = width;
        egl_window->height = height;
        egl_window->dx     = dx;
@@ -24,6 +27,9 @@ wl_egl_window_create(struct wl_surface *surface,
 {
        struct wl_egl_window *egl_window;
 
+       if (width <= 0 || height <= 0)
+               return NULL;
+
        egl_window = malloc(sizeof *egl_window);
        if (!egl_window)
                return NULL;