sntp/libevent/buffer.c

956 evbuffer_add_buffer(struct evbuffer *outbuf, struct evbuffer *inbuf)
962 	EVBUFFER_LOCK2(inbuf, outbuf);
964 	out_total_len = outbuf->total_len;
966 	if (in_total_len == 0 || outbuf == inbuf)
969 	if (outbuf->freeze_end || inbuf->freeze_start) {
980 		/* There might be an empty chain at the start of outbuf; free
982 		evbuffer_free_all_chains(outbuf->first);
983 		COPY_CHAIN(outbuf, inbuf);
985 		APPEND_CHAIN(outbuf, inbuf);
991 	outbuf->n_add_for_cb += in_total_len;
994 	evbuffer_invoke_callbacks_(outbuf);
997 	EVBUFFER_UNLOCK2(inbuf, outbuf);
1002 evbuffer_add_buffer_reference(struct evbuffer *outbuf, struct evbuffer *inbuf)
1008 	EVBUFFER_LOCK2(inbuf, outbuf);
1010 	out_total_len = outbuf->total_len;
1016 	if (outbuf->freeze_end || outbuf == inbuf) {
1030 		/* There might be an empty chain at the start of outbuf; free
1032 		evbuffer_free_all_chains(outbuf->first);
1034 	APPEND_CHAIN_MULTICAST(outbuf, inbuf);
1036 	outbuf->n_add_for_cb += in_total_len;
1037 	evbuffer_invoke_callbacks_(outbuf);
1040 	EVBUFFER_UNLOCK2(inbuf, outbuf);
1045 evbuffer_prepend_buffer(struct evbuffer *outbuf, struct evbuffer *inbuf)
1051 	EVBUFFER_LOCK2(inbuf, outbuf);
1054 	out_total_len = outbuf->total_len;
1056 	if (!in_total_len || inbuf == outbuf)
1059 	if (outbuf->freeze_start || inbuf->freeze_start) {
1070 		/* There might be an empty chain at the start of outbuf; free
1072 		evbuffer_free_all_chains(outbuf->first);
1073 		COPY_CHAIN(outbuf, inbuf);
1075 		PREPEND_CHAIN(outbuf, inbuf);
1081 	outbuf->n_add_for_cb += in_total_len;
1084 	evbuffer_invoke_callbacks_(outbuf);
1086 	EVBUFFER_UNLOCK2(inbuf, outbuf);
2900 evbuffer_add_reference(struct evbuffer *outbuf,
2920 	EVBUFFER_LOCK(outbuf);
2921 	if (outbuf->freeze_end) {
2927 	evbuffer_chain_insert(outbuf, chain);
2928 	outbuf->n_add_for_cb += datlen;
2930 	evbuffer_invoke_callbacks_(outbuf);
2934 	EVBUFFER_UNLOCK(outbuf);