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simple-shm: implement destructors

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Implement proper destructors that call the wayland destroy functions.

With this and the "client: fix a strdup memory leak" patch in Wayland
core, simple-shm now runs Valgrind-clean (memcheck).

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
This commit is contained in:
Pekka Paalanen 2011-12-13 13:48:24 +02:00
parent 88e60fc2ba
commit c4cd62acee
1 changed files with 37 additions and 5 deletions
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42
clients/simple-shm.c
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@ -48,7 +48,8 @@ struct window {
struct wl_surface *surface;
struct wl_shell_surface *shell_surface;
struct wl_buffer *buffer;
void *data;
void *shm_data;
struct wl_callback *callback;
};
static struct wl_buffer *
@ -98,6 +99,7 @@ create_window(struct display *display, int width, int height)
struct window *window;
window = malloc(sizeof *window);
window->callback = NULL;
window->display = display;
window->width = width;
window->height = height;
@ -107,13 +109,25 @@ create_window(struct display *display, int width, int height)
window->buffer = create_shm_buffer(display,
width, height,
WL_SHM_FORMAT_XRGB32,
&window->data);
&window->shm_data);
wl_shell_surface_set_toplevel(window->shell_surface);
return window;
}
static void
destroy_window(struct window *window)
{
if (window->callback)
wl_callback_destroy(window->callback);
wl_buffer_destroy(window->buffer);
wl_shell_surface_destroy(window->shell_surface);
wl_surface_destroy(window->surface);
free(window);
}
static const struct wl_callback_listener frame_listener;
static void
@ -123,7 +137,7 @@ redraw(void *data, struct wl_callback *callback, uint32_t time)
uint32_t *p;
int i, end, offset;
p = window->data;
p = window->shm_data;
end = window->width * window->height;
offset = time >> 4;
for (i = 0; i < end; i++)
@ -137,8 +151,8 @@ redraw(void *data, struct wl_callback *callback, uint32_t time)
if (callback)
wl_callback_destroy(callback);
callback = wl_surface_frame(window->surface);
wl_callback_add_listener(callback, &frame_listener, window);
window->callback = wl_surface_frame(window->surface);
wl_callback_add_listener(window->callback, &frame_listener, window);
}
static const struct wl_callback_listener frame_listener = {
@ -209,6 +223,22 @@ create_display(void)
return display;
}
static void
destroy_display(struct display *display)
{
if (display->shm)
wl_shm_destroy(display->shm);
if (display->shell)
wl_shell_destroy(display->shell);
if (display->compositor)
wl_compositor_destroy(display->compositor);
wl_display_destroy(display->display);
free(display);
}
static int running = 1;
static void
@ -238,6 +268,8 @@ main(int argc, char **argv)
wl_display_iterate(display->display, display->mask);
fprintf(stderr, "simple-shm exiting\n");
destroy_window(window);
destroy_display(display);
return 0;
}