bsnes/nall/platform.hpp

95 lines
2.6 KiB
C++

#ifndef NALL_PLATFORM_HPP
#define NALL_PLATFORM_HPP
namespace Math {
static const long double e = 2.71828182845904523536;
static const long double Pi = 3.14159265358979323846;
}
#if defined(_WIN32)
//minimum version needed for _wstat64, etc
#undef __MSVCRT_VERSION__
#define __MSVCRT_VERSION__ 0x0601
#include <nall/windows/utf8.hpp>
#endif
//=========================
//standard platform headers
//=========================
#include <limits>
#include <utility>
#include <assert.h>
#include <limits.h>
#include <math.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#if defined(_WIN32)
#include <io.h>
#include <direct.h>
#include <shlobj.h>
#include <wchar.h>
#undef interface
#define dllexport __declspec(dllexport)
#else
#include <unistd.h>
#include <pwd.h>
#define dllexport
#endif
//==========
//Visual C++
//==========
#if defined(_MSC_VER)
#pragma warning(disable:4996) //disable libc "deprecation" warnings
#define va_copy(dest, src) ((dest) = (src))
#endif
#if defined(_WIN32)
extern "C" int _fileno(FILE*);
inline int access(const char* path, int amode) { return _waccess(nall::utf16_t(path), amode); }
inline int fileno(FILE* stream) { return _fileno(stream); }
inline char* getcwd(char* buf, size_t size) { wchar_t wpath[PATH_MAX] = L""; if(!_wgetcwd(wpath, size)) return nullptr; strcpy(buf, nall::utf8_t(wpath)); return buf; }
inline int putenv(char* string) { return _wputenv(nall::utf16_t(string)); }
inline char* realpath(const char* file_name, char* resolved_name) { wchar_t wfile_name[PATH_MAX] = L""; if(!_wfullpath(wfile_name, nall::utf16_t(file_name), PATH_MAX)) return nullptr; strcpy(resolved_name, nall::utf8_t(wfile_name)); return resolved_name; }
inline int rename(const char* oldname, const char* newname) { return _wrename(nall::utf16_t(oldname), nall::utf16_t(newname)); }
inline void usleep(unsigned milliseconds) { Sleep(milliseconds / 1000); }
#endif
//================
//inline expansion
//================
#if defined(__clang__) || defined(__GNUC__)
#define noinline __attribute__((noinline))
#define alwaysinline inline __attribute__((always_inline))
#elif defined(_MSC_VER)
#define noinline __declspec(noinline)
#define alwaysinline inline __forceinline
#else
#define noinline
#define alwaysinline inline
#endif
//===========
//unreachable
//===========
#if defined(__clang__) || defined(__GNUC__)
#define unreachable __builtin_unreachable()
#else
#define unreachable throw
#endif
#endif