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Merge pull request #10960 from shuffle2/mz

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ResourcePack: dont scan for individual files
This commit is contained in:
Admiral H. Curtiss
2022-08-24 17:11:21 +02:00
committed by GitHub
parent a7d358a97b 9bb8315441
commit e5cfa286bd
2 changed files with 77 additions and 44 deletions
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29
Source/Core/Common/MinizipUtil.h
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@ -13,29 +13,36 @@
namespace Common
{
// Reads all of the current file. destination must be big enough to fit the whole file.
template <typename ContiguousContainer>
bool ReadFileFromZip(unzFile file, ContiguousContainer* destination)
inline bool ReadFileFromZip(unzFile file, u8* destination, u64 len)
{
const u32 MAX_BUFFER_SIZE = 65535;
const u64 MAX_BUFFER_SIZE = 65535;
if (unzOpenCurrentFile(file) != UNZ_OK)
return false;
Common::ScopeGuard guard{[&] { unzCloseCurrentFile(file); }};
u32 bytes_to_go = static_cast<u32>(destination->size());
u64 bytes_to_go = len;
while (bytes_to_go > 0)
{
const int bytes_read =
unzReadCurrentFile(file, &(*destination)[destination->size() - bytes_to_go],
std::min(bytes_to_go, MAX_BUFFER_SIZE));
if (bytes_read < 0)
// NOTE: multiples of 4G can't cause read_len == 0 && bytes_to_go > 0, as MAX_BUFFER_SIZE is
// small.
const u32 read_len = static_cast<u32>(std::min(bytes_to_go, MAX_BUFFER_SIZE));
const int rv = unzReadCurrentFile(file, destination, read_len);
if (rv < 0)
return false;
bytes_to_go -= static_cast<u32>(bytes_read);
const u32 bytes_read = static_cast<u32>(rv);
bytes_to_go -= bytes_read;
destination += bytes_read;
}
return true;
return unzEndOfFile(file) == 1;
}
template <typename ContiguousContainer>
bool ReadFileFromZip(unzFile file, ContiguousContainer* destination)
{
return ReadFileFromZip(file, reinterpret_cast<u8*>(destination->data()), destination->size());
}
} // namespace Common