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libseat: Assert that listener is non-NULL

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This commit is contained in:
Kenny Levinsen 2020-08-29 20:27:02 +02:00
parent de96b3938b
commit 69d57aaf33
2 changed files with 10 additions and 17 deletions
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25
libseat/backend/seatd.c
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@ -88,20 +88,6 @@ static struct backend_seatd *backend_seatd_from_libseat_backend(struct libseat *
return (struct backend_seatd *)base;
}
static void handle_enable_seat(struct backend_seatd *backend) {
log_info("Enabling seat");
if (backend->seat_listener != NULL && backend->seat_listener->enable_seat != NULL) {
backend->seat_listener->enable_seat(&backend->base, backend->seat_listener_data);
}
}
static void handle_disable_seat(struct backend_seatd *backend) {
log_info("Disabling seat");
if (backend->seat_listener != NULL && backend->seat_listener->disable_seat != NULL) {
backend->seat_listener->disable_seat(&backend->base, backend->seat_listener_data);
}
}
static size_t read_header(struct connection *connection, uint16_t expected_opcode) {
struct proto_header header;
if (connection_get(connection, &header, sizeof header) == -1) {
@ -155,12 +141,17 @@ static void execute_events(struct backend_seatd *backend) {
switch (opcode) {
case SERVER_DISABLE_SEAT:
handle_disable_seat(backend);
log_info("Disabling seat");
backend->seat_listener->disable_seat(&backend->base,
backend->seat_listener_data);
break;
case SERVER_ENABLE_SEAT:
handle_enable_seat(backend);
log_info("Enabling seat");
backend->seat_listener->enable_seat(&backend->base,
backend->seat_listener_data);
break;
default:
log_errorf("Invalid opcode: %d", opcode);
abort();
}
}
@ -283,6 +274,8 @@ static void destroy(struct backend_seatd *backend) {
}
static struct libseat *_open_seat(struct libseat_seat_listener *listener, void *data, int fd) {
assert(listener != NULL);
assert(listener->enable_seat != NULL && listener->disable_seat != NULL);
struct backend_seatd *backend = calloc(1, sizeof(struct backend_seatd));
if (backend == NULL) {
close(fd);