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Add template "swap" function to CommonFuncs.

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This commit is contained in:
Jordan Woyak 2013-02-20 20:20:53 -06:00
parent e9232280c4
commit 6a13a4e5ed
1 changed files with 34 additions and 0 deletions
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34
Source/Core/Common/Src/CommonFuncs.h
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@ -162,6 +162,40 @@ inline u16 swap16(const u8* _pData) {return swap16(*(const u16*)_pData);}
inline u32 swap32(const u8* _pData) {return swap32(*(const u32*)_pData);}
inline u64 swap64(const u8* _pData) {return swap64(*(const u64*)_pData);}
template <int count>
void swap(u8*);
template <>
inline void swap<1>(u8* data)
{}
template <>
inline void swap<2>(u8* data)
{
*reinterpret_cast<u16*>(data) = swap16(data);
}
template <>
inline void swap<4>(u8* data)
{
*reinterpret_cast<u32*>(data) = swap32(data);
}
template <>
inline void swap<8>(u8* data)
{
*reinterpret_cast<u64*>(data) = swap64(data);
}
template <typename T>
inline T FromBigEndian(T data)
{
//static_assert(std::is_arithmetic<T>::value, "function only makes sense with arithmetic types");
swap<sizeof(data)>(reinterpret_cast<u8*>(&data));
return data;
}
} // Namespace Common
#endif // _COMMONFUNCS_H_