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Only open file once when detecting blob type

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This commit is contained in:
JosJuice 2016-12-21 11:30:12 +01:00
commit d1ea00ed88
9 changed files with 40 additions and 61 deletions
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15
Source/Core/DiscIO/TGCBlob.cpp
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@ -56,21 +56,12 @@ void Replace32(u64 offset, u64 nbytes, u8* out_ptr, u64 replace_offset, u32 repl
namespace DiscIO
{
bool IsTGCBlob(const std::string& path)
{
File::IOFile file(path, "rb");
TGCHeader header;
return (file.ReadArray(&header, 1) && header.magic == Common::swap32(0xAE0F38A2));
}
std::unique_ptr<TGCFileReader> TGCFileReader::Create(const std::string& path)
{
if (IsTGCBlob(path))
{
File::IOFile file(path, "rb");
File::IOFile file(path, "rb");
TGCHeader header;
if (file.ReadArray(&header, 1) && header.magic == TGC_MAGIC)
return std::unique_ptr<TGCFileReader>(new TGCFileReader(std::move(file)));
}
return nullptr;
}