bnes-libretro/nall/platform.hpp

146 lines
3.4 KiB
C++

#ifndef NALL_PLATFORM_HPP
#define NALL_PLATFORM_HPP
#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 <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)
#if defined(_WIN64)
#define interface struct
#endif
#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
//==================
//warning supression
//==================
//Visual C++
#if defined(_MSC_VER)
//disable libc "deprecation" warnings
#pragma warning(disable:4996)
#endif
//================
//POSIX compliance
//================
#if defined(_MSC_VER)
#define PATH_MAX _MAX_PATH
#define va_copy(dest, src) ((dest) = (src))
#endif
#if defined(_WIN32)
#define getcwd _getcwd
#define ftruncate _chsize
#define mkdir(n, m) _wmkdir(nall::utf16_t(n))
#define putenv _putenv
#define rmdir _rmdir
#define usleep(n) Sleep(n / 1000)
#define vsnprintf _vsnprintf
#endif
//================
//inline expansion
//================
#if defined(__GNUC__)
#define noinline __attribute__((noinline))
#define inline inline
#define alwaysinline inline __attribute__((always_inline))
#elif defined(_MSC_VER)
#define noinline __declspec(noinline)
#define inline inline
#define alwaysinline inline __forceinline
#else
#define noinline
#define inline inline
#define alwaysinline inline
#endif
//=========================
//file system functionality
//=========================
#if defined(_WIN32)
inline char* realpath(const char *filename, char *resolvedname) {
wchar_t fn[_MAX_PATH] = L"";
_wfullpath(fn, nall::utf16_t(filename), _MAX_PATH);
strcpy(resolvedname, nall::utf8_t(fn));
for(unsigned n = 0; resolvedname[n]; n++) if(resolvedname[n] == '\\') resolvedname[n] = '/';
return resolvedname;
}
inline char* userpath(char *path) {
wchar_t fp[_MAX_PATH] = L"";
SHGetFolderPathW(0, CSIDL_APPDATA | CSIDL_FLAG_CREATE, 0, 0, fp);
strcpy(path, nall::utf8_t(fp));
for(unsigned n = 0; path[n]; n++) if(path[n] == '\\') path[n] = '/';
unsigned length = strlen(path);
if(path[length] != '/') strcpy(path + length, "/");
return path;
}
inline char* getcwd(char *path) {
wchar_t fp[_MAX_PATH] = L"";
_wgetcwd(fp, _MAX_PATH);
strcpy(path, nall::utf8_t(fp));
for(unsigned n = 0; path[n]; n++) if(path[n] == '\\') path[n] = '/';
unsigned length = strlen(path);
if(path[length] != '/') strcpy(path + length, "/");
return path;
}
#else
//realpath() already exists
inline char* userpath(char *path) {
*path = 0;
struct passwd *userinfo = getpwuid(getuid());
if(userinfo) strcpy(path, userinfo->pw_dir);
unsigned length = strlen(path);
if(path[length] != '/') strcpy(path + length, "/");
return path;
}
inline char *getcwd(char *path) {
auto unused = getcwd(path, PATH_MAX);
unsigned length = strlen(path);
if(path[length] != '/') strcpy(path + length, "/");
return path;
}
#endif
#endif