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simple-shm: handle shm buffer failure

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Do not segfault, if creating the shm buffer fails.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
This commit is contained in:
Pekka Paalanen 2012-04-18 13:23:09 +03:00
parent f31ad10b77
commit 3baf946b9a
1 changed files with 13 additions and 4 deletions
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17
clients/simple-shm.c
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@ -101,6 +101,17 @@ create_window(struct display *display, int width, int height)
struct window *window;
window = malloc(sizeof *window);
window->buffer = create_shm_buffer(display,
width, height,
WL_SHM_FORMAT_XRGB8888,
&window->shm_data);
if (!window->buffer) {
free(window);
return NULL;
}
window->callback = NULL;
window->display = display;
window->width = width;
@ -108,10 +119,6 @@ create_window(struct display *display, int width, int height)
window->surface = wl_compositor_create_surface(display->compositor);
window->shell_surface = wl_shell_get_shell_surface(display->shell,
window->surface);
window->buffer = create_shm_buffer(display,
width, height,
WL_SHM_FORMAT_XRGB8888,
&window->shm_data);
wl_shell_surface_set_toplevel(window->shell_surface);
@ -293,6 +300,8 @@ main(int argc, char **argv)
display = create_display();
window = create_window(display, 250, 250);
if (!window)
return 1;
sigint.sa_handler = signal_int;
sigemptyset(&sigint.sa_mask);