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// Copyright 2009 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <cstddef>
#include <string>
#include "Common/CommonTypes.h"
// Will fail to compile on a non-array:
template <typename T, size_t N>
constexpr size_t ArraySize(T (&arr)[N])
{
return N;
}
#define b2(x) ((x) | ((x) >> 1))
#define b4(x) (b2(x) | (b2(x) >> 2))
#define b8(x) (b4(x) | (b4(x) >> 4))
#define b16(x) (b8(x) | (b8(x) >> 8))
#define b32(x) (b16(x) | (b16(x) >> 16))
#define ROUND_UP_POW2(x) (b32(x - 1) + 1)
#ifndef _WIN32
// go to debugger mode
#define Crash() \
{ \
__builtin_trap(); \
}
// GCC 4.8 defines all the rotate functions now
// Small issue with GCC's lrotl/lrotr intrinsics is they are still 32bit while we require 64bit
#ifndef _rotl
inline u32 _rotl(u32 x, int shift)
{
shift &= 31;
if (!shift)
return x;
return (x << shift) | (x >> (32 - shift));
}
inline u32 _rotr(u32 x, int shift)
{
shift &= 31;
if (!shift)
return x;
return (x >> shift) | (x << (32 - shift));
}
#endif
inline u64 _rotl64(u64 x, unsigned int shift)
{
unsigned int n = shift % 64;
return (x << n) | (x >> (64 - n));
}
inline u64 _rotr64(u64 x, unsigned int shift)
{
unsigned int n = shift % 64;
return (x >> n) | (x << (64 - n));
}
#else // WIN32
// Function Cross-Compatibility
#define strcasecmp _stricmp
#define strncasecmp _strnicmp
#define unlink _unlink
#define vscprintf _vscprintf
// 64 bit offsets for Windows
#define fseeko _fseeki64
#define ftello _ftelli64
#define atoll _atoi64
#define stat _stat64
#define fstat _fstat64
#define fileno _fileno
extern "C" {
__declspec(dllimport) void __stdcall DebugBreak(void);
}
#define Crash() \
{ \
DebugBreak(); \
}
#endif // WIN32 ndef
// Generic function to get last error message.
// Call directly after the command or use the error num.
// This function might change the error code.
// Defined in Misc.cpp.
std::string GetLastErrorMsg();
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