31 lines
1.0 KiB
C++
31 lines
1.0 KiB
C++
// This file Copyright © Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#include <cstdint>
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#include "libtransmission/block-info.h"
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#include "libtransmission/tr-assert.h" // TR_ASSERT
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void tr_block_info::init_sizes(uint64_t const total_size_in, uint32_t const piece_size_in) noexcept
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{
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TR_ASSERT(piece_size_in == 0 || piece_size_in >= BlockSize);
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if (piece_size_in == 0)
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{
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*this = {};
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return;
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}
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total_size_ = total_size_in;
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piece_size_ = piece_size_in;
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n_pieces_ = static_cast<tr_piece_index_t>((total_size_ + piece_size_ - 1) / piece_size_);
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n_blocks_ = static_cast<tr_block_index_t>((total_size_ + BlockSize - 1) / BlockSize);
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uint32_t remainder = total_size_ % piece_size_;
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final_piece_size_ = remainder != 0U ? remainder : piece_size_;
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remainder = total_size_ % BlockSize;
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final_block_size_ = remainder != 0U ? remainder : BlockSize;
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}
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