Prevent alloc errors from crashing in list_t

This commit changes the `list_t` api so that alloc errors can be
detected and worked around. Also fixes errors not found in 5cc7342
This commit is contained in:
Calvin Lee 2017-08-16 09:23:21 +02:00
parent 19d6442f52
commit 901c14c409
8 changed files with 103 additions and 25 deletions

View file

@ -188,7 +188,7 @@ static struct wlr_input_device *allocate_device(struct wlr_wl_backend *backend,
enum wlr_input_device_type type) {
struct wlr_wl_input_device *wlr_wl_dev;
if (!(wlr_wl_dev = calloc(1, sizeof(struct wlr_wl_input_device)))) {
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
wlr_log_errno(L_ERROR, "Allocation failed");
return NULL;
}
@ -200,7 +200,11 @@ static struct wlr_input_device *allocate_device(struct wlr_wl_backend *backend,
struct wlr_input_device *wlr_device = &wlr_wl_dev->wlr_input_device;
wlr_input_device_init(wlr_device, type, &input_device_impl,
name, vendor, product);
list_add(backend->devices, wlr_device);
if (list_add(backend->devices, wlr_device) == -1) {
wlr_log_errno(L_ERROR, "Allocation failed");
free(wlr_wl_dev);
return NULL;
}
return wlr_device;
}