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code: Use std::span where appropriate (#6658)

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* code: Use std::span when possible

* code: Prefix memcpy and memcmp with std::
This commit is contained in:
GPUCode 2023-07-07 01:52:40 +03:00 • committed by GitHub
parent 4ccd9f24fb
commit cf9bb90ae3
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GPG key ID: 4AEE18F83AFDEB23
106 changed files with 362 additions and 329 deletions
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2
src/common/file_util.cpp
View file

@ -855,7 +855,7 @@ const std::string& GetDefaultUserPath(UserPath path) {
return g_default_paths[path];
}
const void UpdateUserPath(UserPath path, const std::string& filename) {
void UpdateUserPath(UserPath path, const std::string& filename) {
if (filename.empty()) {
return;
}

2
src/common/file_util.h
View file

@ -191,7 +191,7 @@ void SetCurrentRomPath(const std::string& path);
[[nodiscard]] const std::string& GetDefaultUserPath(UserPath path);
// Update the Global Path with the new value
const void UpdateUserPath(UserPath path, const std::string& filename);
void UpdateUserPath(UserPath path, const std::string& filename);
// Returns the path to where the sys file are
[[nodiscard]] std::string GetSysDirectory();

2
src/common/linear_disk_cache.h
View file

@ -154,7 +154,7 @@ private:
struct Header {
Header() : id(*(u32*)"DCAC"), key_t_size(sizeof(K)), value_t_size(sizeof(V)) {
memcpy(ver, scm_rev_git_str, 40);
std::memcpy(ver, scm_rev_git_str, 40);
}
const u32 id;

3
src/common/ring_buffer.h
View file

@ -11,6 +11,7 @@
#include <cstring>
#include <limits>
#include <new>
#include <span>
#include <type_traits>
#include <vector>
#include "common/common_types.h"
@ -57,7 +58,7 @@ public:
return push_count;
}
std::size_t Push(const std::vector<T>& input) {
std::size_t Push(std::span<const T> input) {
return Push(input.data(), input.size() / granularity);
}

2
src/common/x64/cpu_detect.cpp
View file

@ -56,7 +56,7 @@ static CPUCaps Detect() {
// Citra at all anyway
int cpu_id[4];
memset(caps.brand_string, 0, sizeof(caps.brand_string));
std::memset(caps.brand_string, 0, sizeof(caps.brand_string));
// Detect CPU's CPUID capabilities and grab CPU string
__cpuid(cpu_id, 0x00000000);

15
src/common/zstd_compression.cpp
View file

@ -5,19 +5,18 @@
#include <algorithm>
#include <zstd.h>
#include "common/assert.h"
#include "common/zstd_compression.h"
namespace Common::Compression {
std::vector<u8> CompressDataZSTD(const u8* source, std::size_t source_size, s32 compression_level) {
std::vector<u8> CompressDataZSTD(std::span<const u8> source, s32 compression_level) {
compression_level = std::clamp(compression_level, ZSTD_minCLevel(), ZSTD_maxCLevel());
const std::size_t max_compressed_size = ZSTD_compressBound(source_size);
const std::size_t max_compressed_size = ZSTD_compressBound(source.size());
std::vector<u8> compressed(max_compressed_size);
const std::size_t compressed_size =
ZSTD_compress(compressed.data(), compressed.size(), source, source_size, compression_level);
const std::size_t compressed_size = ZSTD_compress(
compressed.data(), compressed.size(), source.data(), source.size(), compression_level);
if (ZSTD_isError(compressed_size)) {
// Compression failed
@ -29,11 +28,11 @@ std::vector<u8> CompressDataZSTD(const u8* source, std::size_t source_size, s32
return compressed;
}
std::vector<u8> CompressDataZSTDDefault(const u8* source, std::size_t source_size) {
return CompressDataZSTD(source, source_size, ZSTD_CLEVEL_DEFAULT);
std::vector<u8> CompressDataZSTDDefault(std::span<const u8> source) {
return CompressDataZSTD(source, ZSTD_CLEVEL_DEFAULT);
}
std::vector<u8> DecompressDataZSTD(const std::vector<u8>& compressed) {
std::vector<u8> DecompressDataZSTD(std::span<const u8> compressed) {
const std::size_t decompressed_size =
ZSTD_getFrameContentSize(compressed.data(), compressed.size());
std::vector<u8> decompressed(decompressed_size);

10
src/common/zstd_compression.h
View file

@ -4,6 +4,7 @@
#pragma once
#include <span>
#include <vector>
#include "common/common_types.h"
@ -14,24 +15,21 @@ namespace Common::Compression {
* Compresses a source memory region with Zstandard and returns the compressed data in a vector.
*
* @param source the uncompressed source memory region.
* @param source_size the size in bytes of the uncompressed source memory region.
* @param compression_level the used compression level. Should be between 1 and 22.
*
* @return the compressed data.
*/
[[nodiscard]] std::vector<u8> CompressDataZSTD(const u8* source, std::size_t source_size,
s32 compression_level);
[[nodiscard]] std::vector<u8> CompressDataZSTD(std::span<const u8> source, s32 compression_level);
/**
* Compresses a source memory region with Zstandard with the default compression level and returns
* the compressed data in a vector.
*
* @param source the uncompressed source memory region.
* @param source_size the size in bytes of the uncompressed source memory region.
*
* @return the compressed data.
*/
[[nodiscard]] std::vector<u8> CompressDataZSTDDefault(const u8* source, std::size_t source_size);
[[nodiscard]] std::vector<u8> CompressDataZSTDDefault(std::span<const u8> source);
/**
* Decompresses a source memory region with Zstandard and returns the uncompressed data in a vector.
@ -40,6 +38,6 @@ namespace Common::Compression {
*
* @return the decompressed data.
*/
[[nodiscard]] std::vector<u8> DecompressDataZSTD(const std::vector<u8>& compressed);
[[nodiscard]] std::vector<u8> DecompressDataZSTD(std::span<const u8> compressed);
} // namespace Common::Compression