system.cpp
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system.cpp
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	#ifdef WINDOWS

	#include <sys/types.h>
	#include <sys/stat.h>
	#include <windows.h>
	#include <psapi.h>
	#include <fstream>
	#include "util/system.h"
	#include <dirent.h>

	namespace System{

	bool isDirectory(const std::string & path){
	unsigned int f = GetFileAttributes(path.c_str());
	if (f == INVALID_FILE_ATTRIBUTES){
	return false;
	}
	return f & FILE_ATTRIBUTE_DIRECTORY;
	}

	bool readableFile(const std::string & path){
	return !isDirectory(path) && readable(path);
	}

	bool readable(const std::string & path){
	if (isDirectory(path)){
	return true;
	}

	std::ifstream stream(path.c_str());
	bool ok = stream.good();
	if (stream.is_open()){
	stream.close();
	}
	return ok;
	}

	void makeDirectory(const std::string & path){
	mkdir(path.c_str());
	}

	uint64_t currentMilliseconds(){
	LARGE_INTEGER ticksPerSecond;
	LARGE_INTEGER tick;
	QueryPerformanceFrequency(&ticksPerSecond);
	QueryPerformanceCounter(&tick);
	return (tick.QuadPart)/(ticksPerSecond.QuadPart/1000000)/1000;
	}

	uint64_t getModificationTime(const std::string & path){
	struct _stat info;
	if (_stat(path.c_str(), &info) == 0){
	return info.st_mtime;
	}
	return 0;
	}

	unsigned long memoryUsage(){
	/*
	HANDLE id = GetCurrentProcess(); PROCESS_MEMORY_COUNTERS info; BOOL okay =
	GetProcessMemoryInfo(id, &info, sizeof(info)); if (okay){ return
	info.WorkingSetSize; }
	*/
	return 0; }

	/* call startMemoryUsage once at the very beginning of the program */
	void startMemoryUsage(){
	/* FIXME */
	}


	}

	#endif