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backend/x11: add assertions

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This commit is contained in:
emersion 2018-09-17 22:16:07 +02:00
parent e98cb7c5ab
commit 02231554c8
3 changed files with 40 additions and 20 deletions
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20
backend/x11/backend.c
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@ -1,4 +1,5 @@
#define _POSIX_C_SOURCE 200112L
#include <assert.h>
#include <limits.h>
#include <stdbool.h>
#include <stdio.h>
@ -22,8 +23,8 @@
#include "backend/x11.h"
#include "util/signal.h"
struct wlr_x11_output *get_x11_output_from_window_id(struct wlr_x11_backend *x11,
xcb_window_t window) {
struct wlr_x11_output *get_x11_output_from_window_id(
struct wlr_x11_backend *x11, xcb_window_t window) {
struct wlr_x11_output *output;
wl_list_for_each(output, &x11->outputs, link) {
if (output->win == window) {
@ -88,8 +89,14 @@ static int x11_event(int fd, uint32_t mask, void *data) {
return 0;
}
struct wlr_x11_backend *get_x11_backend_from_backend(
struct wlr_backend *wlr_backend) {
assert(wlr_backend_is_x11(wlr_backend));
return (struct wlr_x11_backend *)wlr_backend;
}
static bool backend_start(struct wlr_backend *backend) {
struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend;
struct wlr_x11_backend *x11 = get_x11_backend_from_backend(backend);
x11->started = true;
struct {
@ -183,7 +190,7 @@ static void backend_destroy(struct wlr_backend *backend) {
return;
}
struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend;
struct wlr_x11_backend *x11 = get_x11_backend_from_backend(backend);
struct wlr_x11_output *output, *tmp;
wl_list_for_each_safe(output, tmp, &x11->outputs, link) {
@ -213,7 +220,7 @@ static void backend_destroy(struct wlr_backend *backend) {
static struct wlr_renderer *backend_get_renderer(
struct wlr_backend *backend) {
struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend;
struct wlr_x11_backend *x11 = get_x11_backend_from_backend(backend);
return x11->renderer;
}
@ -234,7 +241,8 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
}
struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
const char *x11_display, wlr_renderer_create_func_t create_renderer_func) {
const char *x11_display,
wlr_renderer_create_func_t create_renderer_func) {
struct wlr_x11_backend *x11 = calloc(1, sizeof(*x11));
if (!x11) {
return NULL;