transmission/libtransmission/inout.h

39 lines
1.1 KiB
C

// This file Copyright © 2007-2022 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0), GPLv3 (SPDX: GPL-3.0),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#pragma once
#ifndef __TRANSMISSION__
#error only libtransmission should #include this header.
#endif
struct tr_torrent;
/**
* @addtogroup file_io File IO
* @{
*/
/**
* Reads the block specified by the piece index, offset, and length.
* @return 0 on success, or an errno value on failure.
*/
int tr_ioRead(struct tr_torrent* tor, tr_piece_index_t pieceIndex, uint32_t offset, uint32_t len, uint8_t* setme);
int tr_ioPrefetch(tr_torrent* tor, tr_piece_index_t pieceIndex, uint32_t begin, uint32_t len);
/**
* Writes the block specified by the piece index, offset, and length.
* @return 0 on success, or an errno value on failure.
*/
int tr_ioWrite(struct tr_torrent* tor, tr_piece_index_t pieceIndex, uint32_t offset, uint32_t len, uint8_t const* writeme);
/**
* @brief Test to see if the piece matches its metainfo's SHA1 checksum.
*/
bool tr_ioTestPiece(tr_torrent* tor, tr_piece_index_t piece);
/* @} */