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// SPDX-License-Identifier: BSD-2-Clause
// Copyright The Music Player Daemon Project
/*! \file
* \brief MPD client library
*
* Receiving response lines from MPD.
*
* Do not include this header directly. Use mpd/client.h instead.
*/
#ifndef MPD_RECV_H
#define MPD_RECV_H
#include "compiler.h"
#include <stdbool.h>
#include <stddef.h>
struct mpd_pair;
struct mpd_connection;
#ifdef __cplusplus
extern "C" {
#endif
/**
* Reads the binary data response from the server.
* The size and binary pair must be already read from the input buffer.
*
* The caller must allocate length bytes of memory for data.
*
* @return true on success
*
* @since libmpdclient 2.17
*/
bool
mpd_recv_binary(struct mpd_connection *connection, void *data, size_t length);
/**
* Reads the next #mpd_pair from the server. Returns NULL if there
* are no more pairs.
*
* The caller must dispose the pair with either mpd_return_pair() or
* mpd_enqueue_pair().
*/
mpd_malloc
struct mpd_pair *
mpd_recv_pair(struct mpd_connection *connection);
/**
* Same as mpd_recv_pair(), but discards all pairs not matching the
* specified name.
*/
mpd_malloc
struct mpd_pair *
mpd_recv_pair_named(struct mpd_connection *connection, const char *name);
/**
* Indicates that the pair object is not needed anymore, and can be
* freed. You must free the previous #mpd_pair object before calling
* mpd_recv_pair() again.
*/
void
mpd_return_pair(struct mpd_connection *connection, struct mpd_pair *pair);
/**
* Unreads a #mpd_pair. You may unread only the one pair you just got
* from mpd_recv_pair(). Unreading the "NULL" pair is allowed, to
* allow you to call mpd_recv_pair() again at the end of a response.
*/
void
mpd_enqueue_pair(struct mpd_connection *connection, struct mpd_pair *pair);
#ifdef __cplusplus
}
#endif
#endif
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