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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
106 changed files with 362 additions and 329 deletions
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18
src/core/file_sys/title_metadata.cpp
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@ -29,12 +29,13 @@ Loader::ResultStatus TitleMetadata::Load(const std::string& file_path) {
return result;
}
Loader::ResultStatus TitleMetadata::Load(const std::vector<u8>& file_data, std::size_t offset) {
Loader::ResultStatus TitleMetadata::Load(std::span<const u8> file_data, std::size_t offset) {
std::size_t total_size = static_cast<std::size_t>(file_data.size() - offset);
if (total_size < sizeof(u32_be))
if (total_size < sizeof(u32_be)) {
return Loader::ResultStatus::Error;
}
memcpy(&signature_type, &file_data[offset], sizeof(u32_be));
std::memcpy(&signature_type, &file_data[offset], sizeof(u32_be));
// Signature lengths are variable, and the body follows the signature
u32 signature_size = GetSignatureSize(signature_type);
@ -46,13 +47,14 @@ Loader::ResultStatus TitleMetadata::Load(const std::vector<u8>& file_data, std::
std::size_t body_start = Common::AlignUp(signature_size + sizeof(u32), 0x40);
std::size_t body_end = body_start + sizeof(Body);
if (total_size < body_end)
if (total_size < body_end) {
return Loader::ResultStatus::Error;
}
// Read signature + TMD body, then load the amount of ContentChunks specified
tmd_signature.resize(signature_size);
memcpy(tmd_signature.data(), &file_data[offset + sizeof(u32_be)], signature_size);
memcpy(&tmd_body, &file_data[offset + body_start], sizeof(TitleMetadata::Body));
std::memcpy(tmd_signature.data(), &file_data[offset + sizeof(u32_be)], signature_size);
std::memcpy(&tmd_body, &file_data[offset + body_start], sizeof(TitleMetadata::Body));
std::size_t expected_size =
body_start + sizeof(Body) + static_cast<u16>(tmd_body.content_count) * sizeof(ContentChunk);
@ -65,8 +67,8 @@ Loader::ResultStatus TitleMetadata::Load(const std::vector<u8>& file_data, std::
for (u16 i = 0; i < tmd_body.content_count; i++) {
ContentChunk chunk;
memcpy(&chunk, &file_data[offset + body_end + (i * sizeof(ContentChunk))],
sizeof(ContentChunk));
std::memcpy(&chunk, &file_data[offset + body_end + (i * sizeof(ContentChunk))],
sizeof(ContentChunk));
tmd_chunks.push_back(chunk);
}