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// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _COMMONFUNCS_H_
#define _COMMONFUNCS_H_
#ifdef _WIN32
#define SLEEP(x) Sleep(x)
#else
#define SLEEP(x) usleep(x*1000)
#endif
template <bool> struct CompileTimeAssert;
template<> struct CompileTimeAssert<true> {};
#ifndef _WIN32
#if defined __APPLE__
char* strndup (char const *s, size_t n);
size_t strnlen(const char *s, size_t n);
#else
#ifdef __linux__
#include <byteswap.h>
#endif
#endif // APPLE
#include <errno.h>
// go to debugger mode
#ifdef GEKKO
#define Crash()
#else
#define Crash() {asm ("int $3");}
#endif
#define ARRAYSIZE(A) (sizeof(A)/sizeof((A)[0]))
inline u32 _rotl(u32 x, int shift) {
shift &= 31;
if (!shift) return x;
return (x << shift) | (x >> (32 - shift));
}
inline u64 _rotl64(u64 x, unsigned int shift){
unsigned int n = shift % 64;
return (x << n) | (x >> (64 - n));
}
inline u32 _rotr(u32 x, int shift) {
shift &= 31;
if (!shift) return x;
return (x >> shift) | (x << (32 - shift));
}
inline u64 _rotr64(u64 x, unsigned int shift){
unsigned int n = shift % 64;
return (x >> n) | (x << (64 - n));
}
#define SLEEP(x) usleep(x*1000)
#else // WIN32
// Function Cross-Compatibility
#define strcasecmp _stricmp
#define strncasecmp _strnicmp
#define unlink _unlink
#define snprintf _snprintf
#define vscprintf _vscprintf
char* strndup (char const *s, size_t n);
// 64 bit offsets for windows
#define fseek _fseeki64
#define ftell _ftelli64
#define atoll _atoi64
#define stat64 _stat64
#define SLEEP(x) Sleep(x)
#if _M_IX86
#define Crash() {__asm int 3}
#else
extern "C" {
__declspec(dllimport) void __stdcall DebugBreak(void);
}
#define Crash() {DebugBreak();}
#endif // M_IX86
#endif // WIN32 ndef
// Dolphin's min and max functions
#undef min
#undef max
template<class T>
inline T min(const T& a, const T& b) {return a > b ? b : a;}
template<class T>
inline T max(const T& a, const T& b) {return a > b ? a : b;}
// 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.
const char* GetLastErrorMsg();
namespace Common
{
inline u8 swap8(u8 _data) {return _data;}
#ifdef _WIN32
inline u16 swap16(u16 _data) {return _byteswap_ushort(_data);}
inline u32 swap32(u32 _data) {return _byteswap_ulong (_data);}
inline u64 swap64(u64 _data) {return _byteswap_uint64(_data);}
#elif __linux__
inline u16 swap16(u16 _data) {return bswap_16(_data);}
inline u32 swap32(u32 _data) {return bswap_32(_data);}
inline u64 swap64(u64 _data) {return bswap_64(_data);}
#elif __APPLE__
inline u16 swap16(u16 _data) {return (_data >> 8) | (_data << 8);}
inline u32 swap32(u32 _data) {return __builtin_bswap32(_data);}
inline u64 swap64(u64 _data) {return __builtin_bswap64(_data);}
#else
// Slow generic implementation.
inline u16 swap16(u16 data) {return (data >> 8) | (data << 8);}
inline u32 swap32(u32 data) {return (swap16(data) << 16) | swap16(data >> 16);}
inline u64 swap64(u64 data) {return ((u64)swap32(data) << 32) | swap32(data >> 32);}
#endif
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);}
} // Namespace Common
#endif // _COMMONFUNCS_H_
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