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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
Random portability stuff
*/
#ifndef PORTING_HEADER
#define PORTING_HEADER
#ifdef _WIN32
#ifdef _WIN32_WINNT
#undef _WIN32_WINNT
#endif
#define _WIN32_WINNT 0x0501 // We need to do this before any other headers
// because those might include sdkddkver.h which defines _WIN32_WINNT if not already set
#endif
#include <string>
#include <vector>
#include "irrlicht.h"
#include "irrlichttypes.h" // u32
#include "irrlichttypes_extrabloated.h"
#include "debug.h"
#include "constants.h"
#include "gettime.h"
#include "threads.h"
#ifdef _MSC_VER
#define SWPRINTF_CHARSTRING L"%S"
#else
#define SWPRINTF_CHARSTRING L"%s"
#endif
//currently not needed
//template<typename T> struct alignment_trick { char c; T member; };
//#define ALIGNOF(type) offsetof (alignment_trick<type>, member)
#ifdef _WIN32
#include <windows.h>
#define sleep_ms(x) Sleep(x)
#else
#include <unistd.h>
#include <stdint.h> //for uintptr_t
// Use standard Posix macro for Linux
#if (defined(linux) || defined(__linux)) && !defined(__linux__)
#define __linux__
#endif
#if (defined(__linux__) || defined(__GNU__)) && !defined(_GNU_SOURCE)
#define _GNU_SOURCE
#endif
#define sleep_ms(x) usleep(x*1000)
#endif
#ifdef _MSC_VER
#define ALIGNOF(x) __alignof(x)
#define strtok_r(x, y, z) strtok_s(x, y, z)
#define strtof(x, y) (float)strtod(x, y)
#define strtoll(x, y, z) _strtoi64(x, y, z)
#define strtoull(x, y, z) _strtoui64(x, y, z)
#define strcasecmp(x, y) stricmp(x, y)
#define strncasecmp(x, y, n) strnicmp(x, y, n)
#else
#define ALIGNOF(x) __alignof__(x)
#endif
#ifdef __MINGW32__
#define strtok_r(x, y, z) mystrtok_r(x, y, z)
#endif
// strlcpy is missing from glibc. thanks a lot, drepper.
// strlcpy is also missing from AIX and HP-UX because they aim to be weird.
// We can't simply alias strlcpy to MSVC's strcpy_s, since strcpy_s by
// default raises an assertion error and aborts the program if the buffer is
// too small.
#if defined(__FreeBSD__) || defined(__NetBSD__) || \
defined(__OpenBSD__) || defined(__DragonFly__) || \
defined(__APPLE__) || \
defined(__sun) || defined(sun) || \
defined(__QNX__) || defined(__QNXNTO__)
#define HAVE_STRLCPY
#endif
// So we need to define our own.
#ifndef HAVE_STRLCPY
#define strlcpy(d, s, n) mystrlcpy(d, s, n)
#endif
#define PADDING(x, y) ((ALIGNOF(y) - ((uintptr_t)(x) & (ALIGNOF(y) - 1))) & (ALIGNOF(y) - 1))
#if defined(__APPLE__)
#include <mach-o/dyld.h>
#include <CoreFoundation/CoreFoundation.h>
#endif
#ifndef _WIN32 // Posix
#include <sys/time.h>
#include <time.h>
#if defined(__MACH__) && defined(__APPLE__)
#include <mach/clock.h>
#include <mach/mach.h>
#endif
#endif
namespace porting
{
/*
Signal handler (grabs Ctrl-C on POSIX systems)
*/
void signal_handler_init(void);
// Returns a pointer to a bool.
// When the bool is true, program should quit.
bool * signal_handler_killstatus(void);
/*
Path of static data directory.
*/
extern std::string path_share;
/*
Directory for storing user data. Examples:
Windows: "C:\Documents and Settings\user\Application Data\<PROJECT_NAME>"
Linux: "~/.<PROJECT_NAME>"
Mac: "~/Library/Application Support/<PROJECT_NAME>"
*/
extern std::string path_user;
/*
Path to gettext locale files
*/
extern std::string path_locale;
/*
Path to directory for storing caches.
*/
extern std::string path_cache;
/*
Get full path of stuff in data directory.
Example: "stone.png" -> "../data/stone.png"
*/
std::string getDataPath(const char *subpath);
/*
Move cache folder from path_user to the
system cache location if possible.
*/
void migrateCachePath();
/*
Initialize path_*.
*/
void initializePaths();
/*
Return system information
e.g. "Linux/3.12.7 x86_64"
*/
std::string get_sysinfo();
void initIrrlicht(irr::IrrlichtDevice * );
// Monotonic counter getters.
#ifdef _WIN32 // Windows
extern double perf_freq;
inline u64 os_get_time(double mult)
{
LARGE_INTEGER t;
QueryPerformanceCounter(&t);
return static_cast<double>(t.QuadPart) / (perf_freq / mult);
}
// Resolution is <1us.
inline u64 getTimeS() { return os_get_time(1); }
inline u64 getTimeMs() { return os_get_time(1000); }
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