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Prevent alloc errors from crashing in list_t

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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
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8
backend/multi/backend.c
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@ -120,6 +120,12 @@ void wlr_multi_backend_add(struct wlr_backend *_multi,
wlr_log(L_ERROR, "Could not add backend: allocation failed");
return;
}
if (list_add(multi->backends, sub) == -1) {
wlr_log(L_ERROR, "Could not add backend: allocation failed");
free(sub);
return;
}
sub->backend = backend;
sub->container = &multi->backend;
@ -137,8 +143,6 @@ void wlr_multi_backend_add(struct wlr_backend *_multi,
wl_signal_add(&backend->events.input_remove, &sub->input_remove);
wl_signal_add(&backend->events.output_add, &sub->output_add);
wl_signal_add(&backend->events.output_remove, &sub->output_remove);
list_add(multi->backends, sub);
}
struct wlr_session *wlr_multi_get_session(struct wlr_backend *_backend) {