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#include "pch.h"
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#include "pch.h"
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#pragma hdrstop
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#pragma hdrstop
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#include "OsFile.h"
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#include "OsFile.h"
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//===========================================================================
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bool OsFileExists(char *fileName)
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bool OsFileExists (char *fileName) {
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{
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	DWORD dwFileAttributes = GetFileAttributesA(fileName);
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	DWORD dwFileAttributes = GetFileAttributesA(fileName);
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	return (dwFileAttributes != INVALID_FILE_ATTRIBUTES && !(dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY));
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	return (dwFileAttributes != INVALID_FILE_ATTRIBUTES && !(dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY));
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}
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}
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//===========================================================================
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bool OsDirectoryExists(char *directory)
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bool OsDirectoryExists (char *directory) {
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{
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	DWORD dwFileAttributes = GetFileAttributesA(directory);
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	DWORD dwFileAttributes = GetFileAttributesA(directory);
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	return (dwFileAttributes != INVALID_FILE_ATTRIBUTES && (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY));
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	return (dwFileAttributes != INVALID_FILE_ATTRIBUTES && (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY));
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}
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}
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//===========================================================================
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HANDLE OsCreateFile(char	*fileName,
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HANDLE OsCreateFile (char	*fileName,
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					DWORD	desiredAccess,
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                     DWORD	desiredAccess,
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					DWORD	shareMode,
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                     DWORD	shareMode,
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					DWORD	createDisposition,
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                     DWORD	createDisposition,
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					DWORD	flagsAndAttributes,
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                     DWORD	flagsAndAttributes,
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					HANDLE	extendedFileType)
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                     HANDLE	extendedFileType) {
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{
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	HANDLE result;
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	HANDLE result;
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	int length = MultiByteToWideChar(CP_UTF8, 0, fileName, -1, NULL, 0);
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	int length = MultiByteToWideChar(CP_UTF8, 0, fileName, -1, NULL, 0);
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	LPWSTR fileNameW = new wchar_t[length];
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	LPWSTR fileNameW = new wchar_t[length];
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	MultiByteToWideChar(CP_UTF8, 0, fileName, -1, fileNameW, length);
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	MultiByteToWideChar(CP_UTF8, 0, fileName, -1, fileNameW, length);
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	result = CreateFileW(fileNameW, desiredAccess, shareMode, 0, createDisposition, flagsAndAttributes, extendedFileType);
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	result = CreateFileW(fileNameW, desiredAccess, shareMode, 0, createDisposition, flagsAndAttributes, extendedFileType);
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	delete[] fileNameW;
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	delete[] fileNameW;
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	return result;
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	return result;
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}
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}
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//===========================================================================
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BOOL OsReadFile(HANDLE hFile, void *buffer, DWORD bytesToRead, DWORD *bytesRead)
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BOOL OsReadFile (HANDLE hFile, void *buffer, DWORD bytesToRead, DWORD *bytesRead) {
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{
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	return ReadFile(hFile, buffer, bytesToRead, bytesRead, 0);
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	return ReadFile(hFile, buffer, bytesToRead, bytesRead, 0);
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}
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}
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//===========================================================================
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DWORD OsSetFilePointer(HANDLE hFile, DWORD moveMethod, LONG distanceToMove)
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DWORD OsSetFilePointer (HANDLE hFile, DWORD moveMethod, LONG distanceToMove) {
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{
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	DWORD result;
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	DWORD result;
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	LONG distanceToMoveHigh;
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	LONG distanceToMoveHigh;
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	distanceToMoveHigh = HIWORD(distanceToMove);
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	distanceToMoveHigh = HIWORD(distanceToMove);
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	result = SetFilePointer(hFile, distanceToMove, &distanceToMoveHigh, moveMethod);
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	result = SetFilePointer(hFile, distanceToMove, &distanceToMoveHigh, moveMethod);
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		result = -1;
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		result = -1;
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	}
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	}
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	return result;
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	return result;
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}
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}
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//===========================================================================
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BOOL OsWriteFile(HANDLE hFile, const void *buffer, DWORD bytesToWrite, DWORD *bytesWritten)
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BOOL OsWriteFile (HANDLE hFile, const void *buffer, DWORD bytesToWrite, DWORD *bytesWritten) {
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{
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	return WriteFile(hFile, buffer, bytesToWrite, bytesWritten, 0);
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	return WriteFile(hFile, buffer, bytesToWrite, bytesWritten, 0);
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}
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}
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//===========================================================================
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void OsCloseFile(HANDLE hFile)
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void OsCloseFile (HANDLE hFile) {
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{
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	CloseHandle(hFile);
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	CloseHandle(hFile);
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}
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}