image: Don't segfault when the file doesn't exist

Don't create a window when the file doesn't exist.

https://bugs.freedesktop.org/show_bug.cgi?id=52450

diff --git a/clients/image.c b/clients/image.c
index 711f0d8..c289d76 100644 (file)
--- a/clients/image.c
+++ b/clients/image.c
@@ -130,6 +130,12 @@ image_create(struct display *display, const char *filename)
 
        image->filename = strdup(filename);
        image->image = load_cairo_surface(filename);
+
+       if (!image->image) {
+               fprintf(stderr, "could not find the image %s!\n", b);
+               return NULL;
+       }
+
        image->window = window_create(display);
        image->widget = frame_create(image->window, image);
        window_set_title(image->window, title);