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authorLioncash <mathew1800@gmail.com>2020-08-15 11:25:28 +0200
committerLioncash <mathew1800@gmail.com>2020-08-15 23:17:56 +0200
commit1ee060ca0dfae7d0a1c830c7495f3125acf0ec7f (patch)
tree23126ca46fa87e73445002adb9422d7c6295a1da /src/common/lz4_compression.cpp
parentcommon: Make use of [[nodiscard]] where applicable (diff)
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Diffstat (limited to 'src/common/lz4_compression.cpp')
-rw-r--r--src/common/lz4_compression.cpp35
1 files changed, 18 insertions, 17 deletions
diff --git a/src/common/lz4_compression.cpp b/src/common/lz4_compression.cpp
index 8e2e4094b..25700015a 100644
--- a/src/common/lz4_compression.cpp
+++ b/src/common/lz4_compression.cpp
@@ -10,52 +10,53 @@
namespace Common::Compression {
-std::vector<u8> CompressDataLZ4(std::span<const u8> source) {
- ASSERT_MSG(source.size() <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size");
+std::vector<u8> CompressDataLZ4(const u8* source, std::size_t source_size) {
+ ASSERT_MSG(source_size <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size");
- const auto source_size_int = static_cast<int>(source.size());
- const int max_compressed_size = LZ4_compressBound(source_size_int);
+ const auto source_size_int = static_cast<int>(source_size);
+ const auto max_compressed_size = static_cast<std::size_t>(LZ4_compressBound(source_size_int));
std::vector<u8> compressed(max_compressed_size);
- const int compressed_size = LZ4_compress_default(reinterpret_cast<const char*>(source.data()),
- reinterpret_cast<char*>(compressed.data()),
- source_size_int, max_compressed_size);
+ const int compressed_size = LZ4_compress_default(
+ reinterpret_cast<const char*>(source), reinterpret_cast<char*>(compressed.data()),
+ source_size_int, static_cast<int>(max_compressed_size));
if (compressed_size <= 0) {
// Compression failed
return {};
}
- compressed.resize(compressed_size);
+ compressed.resize(static_cast<std::size_t>(compressed_size));
return compressed;
}
-std::vector<u8> CompressDataLZ4HC(std::span<const u8> source, s32 compression_level) {
- ASSERT_MSG(source.size() <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size");
+std::vector<u8> CompressDataLZ4HC(const u8* source, std::size_t source_size,
+ s32 compression_level) {
+ ASSERT_MSG(source_size <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size");
compression_level = std::clamp(compression_level, LZ4HC_CLEVEL_MIN, LZ4HC_CLEVEL_MAX);
- const auto source_size_int = static_cast<int>(source.size());
- const int max_compressed_size = LZ4_compressBound(source_size_int);
+ const auto source_size_int = static_cast<int>(source_size);
+ const auto max_compressed_size = static_cast<std::size_t>(LZ4_compressBound(source_size_int));
std::vector<u8> compressed(max_compressed_size);
const int compressed_size = LZ4_compress_HC(
- reinterpret_cast<const char*>(source.data()), reinterpret_cast<char*>(compressed.data()),
- source_size_int, max_compressed_size, compression_level);
+ reinterpret_cast<const char*>(source), reinterpret_cast<char*>(compressed.data()),
+ source_size_int, static_cast<int>(max_compressed_size), compression_level);
if (compressed_size <= 0) {
// Compression failed
return {};
}
- compressed.resize(compressed_size);
+ compressed.resize(static_cast<std::size_t>(compressed_size));
return compressed;
}
-std::vector<u8> CompressDataLZ4HCMax(std::span<const u8> source) {
- return CompressDataLZ4HC(source, LZ4HC_CLEVEL_MAX);
+std::vector<u8> CompressDataLZ4HCMax(const u8* source, std::size_t source_size) {
+ return CompressDataLZ4HC(source, source_size, LZ4HC_CLEVEL_MAX);
}
std::vector<u8> DecompressDataLZ4(const std::vector<u8>& compressed,