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examples: assert on memory allocation

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Also checks for NULL output in the `X_from_device` functions
This commit is contained in:
Simon Zeni 2024-04-08 10:11:50 -04:00
parent ebef710746
commit 7cb206deb4
11 changed files with 39 additions and 1 deletions
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5
examples/touch.c
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@ -1,3 +1,4 @@
#include <assert.h>
#include <drm_fourcc.h>
#include <math.h>
#include <stdint.h>
@ -103,6 +104,7 @@ static void touch_down_notify(struct wl_listener *listener, void *data) {
struct touch_state *tstate = wl_container_of(listener, tstate, down);
struct sample_state *sample = tstate->sample;
struct touch_point *point = calloc(1, sizeof(*point));
assert(point);
point->touch_id = event->touch_id;
point->x = event->x;
point->y = event->y;
@ -174,6 +176,7 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
wlr_output_init_render(output, sample->allocator, sample->renderer);
struct sample_output *sample_output = calloc(1, sizeof(*sample_output));
assert(sample_output);
sample_output->output = output;
sample_output->sample = sample;
wl_signal_add(&output->events.frame, &sample_output->frame);
@ -221,6 +224,7 @@ static void new_input_notify(struct wl_listener *listener, void *data) {
switch (device->type) {
case WLR_INPUT_DEVICE_KEYBOARD:;
struct sample_keyboard *keyboard = calloc(1, sizeof(*keyboard));
assert(keyboard);
keyboard->wlr_keyboard = wlr_keyboard_from_input_device(device);
keyboard->sample = sample;
wl_signal_add(&device->events.destroy, &keyboard->destroy);
@ -244,6 +248,7 @@ static void new_input_notify(struct wl_listener *listener, void *data) {
break;
case WLR_INPUT_DEVICE_TOUCH:;
struct touch_state *tstate = calloc(1, sizeof(*tstate));
assert(tstate);
tstate->wlr_touch = wlr_touch_from_input_device(device);
tstate->sample = sample;
tstate->destroy.notify = touch_destroy_notify;