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common/compression: Roll back std::span changes

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Seems like all compilers don't support std::span yet.
This commit is contained in:
Lioncash 2020-08-15 05:25:28 -04:00
parent df72480395
commit 1ee060ca0d
5 changed files with 45 additions and 38 deletions
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19
src/common/lz4_compression.h
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@ -4,7 +4,6 @@
#pragma once
#include <span>
#include <vector>
#include "common/common_types.h"
@ -14,11 +13,12 @@ namespace Common::Compression {
/**
* Compresses a source memory region with LZ4 and returns the compressed data in a vector.
*
* @param source the uncompressed source memory region.
* @param source The uncompressed source memory region.
* @param source_size The size of the uncompressed source memory region.
*
* @return the compressed data.
*/
[[nodiscard]] std::vector<u8> CompressDataLZ4(std::span<const u8> source);
[[nodiscard]] std::vector<u8> CompressDataLZ4(const u8* source, std::size_t source_size);
/**
* Utilizes the LZ4 subalgorithm LZ4HC with the specified compression level. Higher compression
@ -26,21 +26,24 @@ namespace Common::Compression {
* compression level has almost no impact on decompression speed. Data compressed with LZ4HC can
* also be decompressed with the default LZ4 decompression.
*
* @param source the uncompressed source memory region.
* @param compression_level the used compression level. Should be between 3 and 12.
* @param source The uncompressed source memory region.
* @param source_size The size of the uncompressed source memory region.
* @param compression_level The used compression level. Should be between 3 and 12.
*
* @return the compressed data.
*/
[[nodiscard]] std::vector<u8> CompressDataLZ4HC(std::span<const u8> source, s32 compression_level);
[[nodiscard]] std::vector<u8> CompressDataLZ4HC(const u8* source, std::size_t source_size,
s32 compression_level);
/**
* Utilizes the LZ4 subalgorithm LZ4HC with the highest possible compression level.
*
* @param source the uncompressed source memory region.
* @param source The uncompressed source memory region.
* @param source_size The size of the uncompressed source memory region
*
* @return the compressed data.
*/
[[nodiscard]] std::vector<u8> CompressDataLZ4HCMax(std::span<const u8> source);
[[nodiscard]] std::vector<u8> CompressDataLZ4HCMax(const u8* source, std::size_t source_size);
/**
* Decompresses a source memory region with LZ4 and returns the uncompressed data in a vector.