+
+LTTNG_HIDDEN
+ssize_t lttng_condition_create_from_buffer(const char *buf,
+ struct lttng_condition **condition)
+{
+ ssize_t ret, condition_size = 0;
+ struct lttng_condition_comm *condition_comm =
+ (struct lttng_condition_comm *) buf;
+
+ if (!buf || !condition) {
+ ret = -1;
+ goto end;
+ }
+
+ condition_size += sizeof(*condition_comm);
+ buf += condition_size;
+
+ switch (condition_comm->condition_type) {
+ case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW:
+ ret = lttng_condition_buffer_usage_low_create_from_buffer(buf,
+ condition);
+ if (ret < 0) {
+ goto end;
+ }
+ condition_size += ret;
+ break;
+ case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH:
+ ret = lttng_condition_buffer_usage_high_create_from_buffer(buf,
+ condition);
+ if (ret < 0) {
+ goto end;
+ }
+ condition_size += ret;
+ break;
+ default:
+ ret = -1;
+ goto end;
+ }
+ ret = condition_size;
+end:
+ return ret;
+}