Tcl Source Code

declare 0 win {
    TCHAR *Tcl_WinUtfToTChar(const char *str, int len, Tcl_DString *dsPtr)
}
declare 1 win {
    char *Tcl_WinTCharToUtf(const TCHAR *str, int len, Tcl_DString *dsPtr)
}
declare 3 win {
    void Tcl_WinConvertError(unsigned errCode)
}

################################
# Mac OS X specific functions

declare 0 macosx {
    int Tcl_MacOSXOpenBundleResources(Tcl_Interp *interp,
	    const char *bundleName, int hasResourceFile,

#undef TCL_STORAGE_CLASS
#define TCL_STORAGE_CLASS DLLIMPORT
#undef TclpLocaltime_unix
#undef TclpGmtime_unix
#undef TclWinConvertWSAError
#define TclWinConvertWSAError TclWinConvertError
#if !defined(TCL_USE_STUBS) && !defined(TCL_NO_DEPRECATED) && TCL_MAJOR_VERSION < 9
#   undef TclWinConvertError
#   define TclWinConvertError Tcl_WinConvertError
#endif

#undef TclpInetNtoa
#define TclpInetNtoa inet_ntoa

#undef TclpCreateTempFile_
#undef TclUnixWaitForFile_
#ifndef MAC_OSX_TCL /* not accessable on Win32/UNIX */
#undef TclMacOSXGetFileAttribute /* 15 */

#if defined(_WIN32) || defined(__CYGWIN__) /* WIN */
/* 0 */
EXTERN TCHAR *		Tcl_WinUtfToTChar(const char *str, int len,
				Tcl_DString *dsPtr);
/* 1 */
EXTERN char *		Tcl_WinTCharToUtf(const TCHAR *str, int len,
				Tcl_DString *dsPtr);
/* Slot 2 is reserved */
/* 3 */
EXTERN void		Tcl_WinConvertError(unsigned errCode);
#endif /* WIN */
#ifdef MAC_OSX_TCL /* MACOSX */
/* 0 */
EXTERN int		Tcl_MacOSXOpenBundleResources(Tcl_Interp *interp,
				const char *bundleName, int hasResourceFile,
				int maxPathLen, char *libraryPath);
/* 1 */

typedef struct TclPlatStubs {
    int magic;
    void *hooks;

#if defined(_WIN32) || defined(__CYGWIN__) /* WIN */
    TCHAR * (*tcl_WinUtfToTChar) (const char *str, int len, Tcl_DString *dsPtr); /* 0 */
    char * (*tcl_WinTCharToUtf) (const TCHAR *str, int len, Tcl_DString *dsPtr); /* 1 */
    void (*reserved2)(void);
    void (*tcl_WinConvertError) (unsigned errCode); /* 3 */
#endif /* WIN */
#ifdef MAC_OSX_TCL /* MACOSX */
    int (*tcl_MacOSXOpenBundleResources) (Tcl_Interp *interp, const char *bundleName, int hasResourceFile, int maxPathLen, char *libraryPath); /* 0 */
    int (*tcl_MacOSXOpenVersionedBundleResources) (Tcl_Interp *interp, const char *bundleName, const char *bundleVersion, int hasResourceFile, int maxPathLen, char *libraryPath); /* 1 */
    void (*tcl_MacOSXNotifierAddRunLoopMode) (const void *runLoopMode); /* 2 */
#endif /* MACOSX */
} TclPlatStubs;

 */

#if defined(_WIN32) || defined(__CYGWIN__) /* WIN */
#define Tcl_WinUtfToTChar \
	(tclPlatStubsPtr->tcl_WinUtfToTChar) /* 0 */
#define Tcl_WinTCharToUtf \
	(tclPlatStubsPtr->tcl_WinTCharToUtf) /* 1 */
/* Slot 2 is reserved */
#define Tcl_WinConvertError \
	(tclPlatStubsPtr->tcl_WinConvertError) /* 3 */
#endif /* WIN */
#ifdef MAC_OSX_TCL /* MACOSX */
#define Tcl_MacOSXOpenBundleResources \
	(tclPlatStubsPtr->tcl_MacOSXOpenBundleResources) /* 0 */
#define Tcl_MacOSXOpenVersionedBundleResources \
	(tclPlatStubsPtr->tcl_MacOSXOpenVersionedBundleResources) /* 1 */
#define Tcl_MacOSXNotifierAddRunLoopMode \

#undef TclGuessPackageName
#undef TclGetLoadedPackages
#define TclStaticPackage Tcl_StaticPackage
#undef Tcl_UniCharToUtfDString
#undef Tcl_UtfToUniCharDString
#undef Tcl_UtfToUniChar
#undef Tcl_MacOSXOpenBundleResources
#undef TclWinConvertWSAError
#undef TclWinConvertError
#if defined(_WIN32) || defined(__CYGWIN__)
#define TclWinConvertWSAError (void (*)(DWORD))(void *)Tcl_WinConvertError
#define TclWinConvertError (void (*)(DWORD))(void *)Tcl_WinConvertError
#endif


#if TCL_UTF_MAX > 3
static void uniCodePanic(void) {
    Tcl_Panic("This extension uses a deprecated function, not available now: Tcl is compiled with -DTCL_UTF_MAX==%d", TCL_UTF_MAX);
}
#   define Tcl_GetUnicode (int *(*)(Tcl_Obj *))(void *)uniCodePanic
#   define Tcl_GetUnicodeFromObj (int *(*)(Tcl_Obj *, Tcl_UniChar *))(void *)uniCodePanic

static const TclPlatStubs tclPlatStubs = {
    TCL_STUB_MAGIC,
    0,
#if defined(_WIN32) || defined(__CYGWIN__) /* WIN */
    Tcl_WinUtfToTChar, /* 0 */
    Tcl_WinTCharToUtf, /* 1 */
    0, /* 2 */
    Tcl_WinConvertError, /* 3 */
#endif /* WIN */
#ifdef MAC_OSX_TCL /* MACOSX */
    Tcl_MacOSXOpenBundleResources, /* 0 */
    Tcl_MacOSXOpenVersionedBundleResources, /* 1 */
    Tcl_MacOSXNotifierAddRunLoopMode, /* 2 */
#endif /* MACOSX */
};

static void
StatError(
    Tcl_Interp *interp,		/* The interp that has the error */
    Tcl_Obj *fileName)		/* The name of the file which caused the
				 * error. */
{
    TclWinConvertError(GetLastError());
    Tcl_WinConvertError(GetLastError());
    Tcl_SetObjResult(interp, Tcl_ObjPrintf("could not read \"%s\": %s",
	    TclGetString(fileName), Tcl_PosixError(interp)));
}

static WCHAR *
winPathFromObj(
    Tcl_Obj *fileName)

     */

    if (!TclInThreadExit()
	    || ((GetStdHandle(STD_INPUT_HANDLE) != fileInfoPtr->handle)
	    &&  (GetStdHandle(STD_OUTPUT_HANDLE) != fileInfoPtr->handle)
	    &&  (GetStdHandle(STD_ERROR_HANDLE) != fileInfoPtr->handle))) {
	if (CloseHandle(fileInfoPtr->handle) == FALSE) {
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	    errorCode = errno;
	}
    }

    /*
     * See if this FileInfo* is still on the thread local list.
     */

    oldPosHigh = 0;
    oldPos = SetFilePointer(infoPtr->handle, 0, &oldPosHigh, FILE_CURRENT);
    if (oldPos == (LONG) INVALID_SET_FILE_POINTER) {
	DWORD winError = GetLastError();

	if (winError != NO_ERROR) {
	    TclWinConvertError(winError);
	    Tcl_WinConvertError(winError);
	    *errorCodePtr = errno;
	    return -1;
	}
    }

    newPosHigh = (offset < 0 ? -1 : 0);
    newPos = SetFilePointer(infoPtr->handle, offset, &newPosHigh, moveMethod);
    if (newPos == (LONG) INVALID_SET_FILE_POINTER) {
	DWORD winError = GetLastError();

	if (winError != NO_ERROR) {
	    TclWinConvertError(winError);
	    Tcl_WinConvertError(winError);
	    *errorCodePtr = errno;
	    return -1;
	}
    }

    /*
     * Check for expressability in our return type, and roll-back otherwise.

    newPosHigh = (LONG)(offset >> 32);
    newPos = SetFilePointer(infoPtr->handle, (LONG)offset,
	    &newPosHigh, moveMethod);
    if (newPos == (LONG) INVALID_SET_FILE_POINTER) {
	DWORD winError = GetLastError();

	if (winError != NO_ERROR) {
	    TclWinConvertError(winError);
	    Tcl_WinConvertError(winError);
	    *errorCodePtr = errno;
	    return -1;
	}
    }
    return (((long long)((unsigned)newPos))
	    | ((long long)newPosHigh << 32));
}

    oldPosHigh = 0;
    oldPos = SetFilePointer(infoPtr->handle, 0, &oldPosHigh, FILE_CURRENT);
    if (oldPos == (LONG) INVALID_SET_FILE_POINTER) {
	DWORD winError = GetLastError();

	if (winError != NO_ERROR) {
	    TclWinConvertError(winError);
	    Tcl_WinConvertError(winError);
	    return errno;
	}
    }

    /*
     * Move to where we want to truncate
     */

    newPosHigh = (LONG)(length >> 32);
    newPos = SetFilePointer(infoPtr->handle, (LONG)length,
	    &newPosHigh, FILE_BEGIN);
    if (newPos == (LONG) INVALID_SET_FILE_POINTER) {
	DWORD winError = GetLastError();

	if (winError != NO_ERROR) {
	    TclWinConvertError(winError);
	    Tcl_WinConvertError(winError);
	    return errno;
	}
    }

    /*
     * Perform the truncation (unlike POSIX ftruncate(), we needed to move to
     * the location to truncate at first).
     */

    if (!SetEndOfFile(infoPtr->handle)) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	return errno;
    }

    /*
     * Move back. If this last step fails, we don't care; it's just a "best
     * effort" attempt to restore our file pointer to where it was.
     */

     */

    if (ReadFile(infoPtr->handle, (LPVOID) buf, (DWORD) bufSize, &bytesRead,
	    (LPOVERLAPPED) NULL) != FALSE) {
	return bytesRead;
    }

    TclWinConvertError(GetLastError());
    Tcl_WinConvertError(GetLastError());
    *errorCode = errno;
    if (errno == EPIPE) {
	return 0;
    }
    return -1;
}


    if (TEST_FLAG(infoPtr->flags, FILE_APPEND)) {
	SetFilePointer(infoPtr->handle, 0, NULL, FILE_END);
    }

    if (WriteFile(infoPtr->handle, (LPVOID) buf, (DWORD) toWrite,
	    &bytesWritten, (LPOVERLAPPED) NULL) == FALSE) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	*errorCode = errno;
	return -1;
    }
    infoPtr->dirty = 1;
    return bytesWritten;
}


     * handling for Windows serial ports by a "name-hint" to directly open it
     * with the OVERLAPPED flag set.
     */

    if (NativeIsComPort(nativeName)) {
	handle = TclWinSerialOpen(INVALID_HANDLE_VALUE, nativeName, accessMode);
	if (handle == INVALID_HANDLE_VALUE) {
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	    if (interp) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"couldn't open serial \"%s\": %s",
			TclGetString(pathPtr), Tcl_PosixError(interp)));
	    }
	    return NULL;
	}

    if (handle == INVALID_HANDLE_VALUE) {
	DWORD err = GetLastError();

	if ((err & 0xFFFFL) == ERROR_OPEN_FAILED) {
	    err = TEST_FLAG(mode, O_CREAT) ? ERROR_FILE_EXISTS
		    : ERROR_FILE_NOT_FOUND;
	}
	TclWinConvertError(err);
	Tcl_WinConvertError(err);
	if (interp) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "couldn't open \"%s\": %s",
		    TclGetString(pathPtr), Tcl_PosixError(interp)));
	}
	return NULL;
    }

	 *
	 * Reopen channel for OVERLAPPED operation. Normally this shouldn't
	 * fail, because the channel exists.
	 */

	handle = TclWinSerialOpen(handle, nativeName, accessMode);
	if (handle == INVALID_HANDLE_VALUE) {
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	    if (interp) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"couldn't reopen serial \"%s\": %s",
			TclGetString(pathPtr), Tcl_PosixError(interp)));
	    }
	    return NULL;
	}

     */

    if (!TclInThreadExit()
	    || ((GetStdHandle(STD_INPUT_HANDLE) != consolePtr->handle)
		&& (GetStdHandle(STD_OUTPUT_HANDLE) != consolePtr->handle)
		&& (GetStdHandle(STD_ERROR_HANDLE) != consolePtr->handle))) {
	if (CloseHandle(consolePtr->handle) == FALSE) {
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	    errorCode = errno;
	}
    }

    consolePtr->watchMask &= consolePtr->validMask;

    /*

    }

    /*
     * Check for a background error on the last write.
     */

    if (infoPtr->writeError) {
	TclWinConvertError(infoPtr->writeError);
	Tcl_WinConvertError(infoPtr->writeError);
	infoPtr->writeError = 0;
	goto error;
    }

    if (infoPtr->flags & CONSOLE_ASYNC) {
	/*
	 * The console is non-blocking, so copy the data into the output

	/*
	 * In the blocking case, just try to write the buffer directly. This
	 * avoids an unnecessary copy.
	 */

	if (WriteConsoleBytes(infoPtr->handle, buf, (DWORD) toWrite,
		&bytesWritten) == FALSE) {
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	    goto error;
	}
    }
    return bytesWritten;

  error:
    *errorCode = errno;

	}

	if (PeekConsoleInputW(handle, &input, 1, &count) == FALSE) {
	    /*
	     * Check to see if the peek failed because of EOF.
	     */

	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());

	    if (errno == EOF) {
		infoPtr->readFlags |= CONSOLE_EOF;
		return 1;
	    }

	    /*

     */

    if ((infoPtr->flags & CONSOLE_READ_OPS) && (len > 1) &&
	    (strncmp(optionName, "-inputmode", len) == 0)) {
	DWORD mode;

	if (GetConsoleMode(infoPtr->handle, &mode) == 0) {
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	    if (interp != NULL) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"couldn't read console mode: %s",
			Tcl_PosixError(interp)));
	    }
	    return TCL_ERROR;
	}

			" normal, password, raw, or reset", value));
		Tcl_SetErrorCode(interp, "TCL", "OPERATION", "FCONFIGURE",
			"VALUE", NULL);
	    }
	    return TCL_ERROR;
	}
	if (SetConsoleMode(infoPtr->handle, mode) == 0) {
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	    if (interp != NULL) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"couldn't set console mode: %s",
			Tcl_PosixError(interp)));
	    }
	    return TCL_ERROR;
	}

	    Tcl_DStringAppendElement(dsPtr, "-inputmode");
	}
	if (len==0 || (len>1 && strncmp(optionName, "-inputmode", len)==0)) {
	    DWORD mode;

	    valid = 1;
	    if (GetConsoleMode(infoPtr->handle, &mode) == 0) {
		TclWinConvertError(GetLastError());
		Tcl_WinConvertError(GetLastError());
		if (interp != NULL) {
		    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			    "couldn't read console mode: %s",
			    Tcl_PosixError(interp)));
		}
		return TCL_ERROR;
	    }

     */

    if ((len > 1) && (strncmp(optionName, "-winsize", len) == 0)) {
	CONSOLE_SCREEN_BUFFER_INFO consoleInfo;

	valid = 1;
	if (!GetConsoleScreenBufferInfo(infoPtr->handle, &consoleInfo)) {
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	    if (interp != NULL) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"couldn't read console size: %s",
			Tcl_PosixError(interp)));
	    }
	    return TCL_ERROR;
	}

    ESTALE,		/* WSAESTALE */
    EREMOTE		/* WSAEREMOTE */
};

/*
 *----------------------------------------------------------------------
 *
 * TclWinConvertError --
 * Tcl_WinConvertError --
 *
 *	This routine converts a Win32 error into an errno value.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Sets the errno global variable.
 *
 *----------------------------------------------------------------------
 */

void
TclWinConvertError(
    DWORD errCode)		/* Win32 error code. */
Tcl_WinConvertError(
    unsigned errCode)		/* Win32 error code. */
{
    if (errCode >= sizeof(errorTable)/sizeof(errorTable[0])) {
	errCode -= WSAEWOULDBLOCK;
	if (errCode >= sizeof(wsaErrorTable)/sizeof(wsaErrorTable[0])) {
	    Tcl_SetErrno(errorTable[1]);
	} else {
	    Tcl_SetErrno(wsaErrorTable[errCode]);

#endif
#endif

    if (retval != -1) {
	return retval;
    }

    TclWinConvertError(GetLastError());
    Tcl_WinConvertError(GetLastError());

    srcAttr = GetFileAttributesW(nativeSrc);
    dstAttr = GetFileAttributesW(nativeDst);
    if (srcAttr == 0xFFFFFFFF) {
	if (GetFullPathNameW(nativeSrc, 0, NULL,
		NULL) >= MAX_PATH) {
	    errno = ENAMETOOLONG;

		    }

		    /*
		     * Some new error has occurred. Don't know what it could
		     * be, but report this one.
		     */

		    TclWinConvertError(GetLastError());
		    Tcl_WinConvertError(GetLastError());
		    CreateDirectoryW(nativeDst, NULL);
		    SetFileAttributesW(nativeDst, dstAttr);
		    if (Tcl_GetErrno() == EACCES) {
			/*
			 * Decode the EACCES to a more meaningful error.
			 */

		    }

		    /*
		     * Can't backup dst file or move src file. Return that
		     * error. Could happen if an open file refers to dst.
		     */

		    TclWinConvertError(GetLastError());
		    Tcl_WinConvertError(GetLastError());
		    if (Tcl_GetErrno() == EACCES) {
			/*
			 * Decode the EACCES to a more meaningful error.
			 */

			goto decode;
		    }

#endif
#endif

    if (retval != -1) {
	return retval;
    }

    TclWinConvertError(GetLastError());
    Tcl_WinConvertError(GetLastError());
    if (Tcl_GetErrno() == EBADF) {
	Tcl_SetErrno(EACCES);
	return TCL_ERROR;
    }
    if (Tcl_GetErrno() == EACCES) {
	DWORD srcAttr, dstAttr;

		}

		/*
		 * Still can't copy onto dst. Return that error, and restore
		 * attributes of dst.
		 */

		TclWinConvertError(GetLastError());
		Tcl_WinConvertError(GetLastError());
		SetFileAttributesW(nativeDst, dstAttr);
	    }
	}
    }
    return TCL_ERROR;
}


	Tcl_SetErrno(ENOENT);
	return TCL_ERROR;
    }

    if (DeleteFileW(path) != FALSE) {
	return TCL_OK;
    }
    TclWinConvertError(GetLastError());
    Tcl_WinConvertError(GetLastError());

    if (Tcl_GetErrno() == EACCES) {
	attr = GetFileAttributesW(path);
	if (attr != 0xFFFFFFFF) {
	    if (attr & FILE_ATTRIBUTE_DIRECTORY) {
		if (attr & FILE_ATTRIBUTE_REPARSE_POINT) {
		    /*

		int res = SetFileAttributesW(path,
			attr & ~((DWORD) FILE_ATTRIBUTE_READONLY));

		if ((res != 0) &&
			(DeleteFileW(path) != FALSE)) {
		    return TCL_OK;
		}
		TclWinConvertError(GetLastError());
		Tcl_WinConvertError(GetLastError());
		if (res != 0) {
		    SetFileAttributesW(path, attr);
		}
	    }
	}
    } else if (Tcl_GetErrno() == ENOENT) {
	attr = GetFileAttributesW(path);

static int
DoCreateDirectory(
    const WCHAR *nativePath)	/* Pathname of directory to create (native). */
{
    if (CreateDirectoryW(nativePath, NULL) == 0) {
	DWORD error = GetLastError();

	TclWinConvertError(error);
	Tcl_WinConvertError(error);
	return TCL_ERROR;
    }
    return TCL_OK;
}

/*
 *---------------------------------------------------------------------------

	 */

	if (RemoveDirectoryW(nativePath) != FALSE) {
	    return TCL_OK;
	}
    }

    TclWinConvertError(GetLastError());
    Tcl_WinConvertError(GetLastError());

    if (Tcl_GetErrno() == EACCES) {
	attr = GetFileAttributesW(nativePath);
	if (attr != 0xFFFFFFFF) {
	    if ((attr & FILE_ATTRIBUTE_DIRECTORY) == 0) {
		/*
		 * Windows 95 reports calling RemoveDirectory on a file as an

		if (SetFileAttributesW(nativePath,
			attr) == FALSE) {
		    goto end;
		}
		if (RemoveDirectoryW(nativePath) != FALSE) {
		    return TCL_OK;
		}
		TclWinConvertError(GetLastError());
		Tcl_WinConvertError(GetLastError());
		SetFileAttributesW(nativePath,
			attr | FILE_ATTRIBUTE_READONLY);
	    }
	}
    }

    if (Tcl_GetErrno() == ENOTEMPTY) {

    nativeSource = (WCHAR *) Tcl_DStringValue(sourcePtr);
    handle = FindFirstFileW(nativeSource, &data);
    if (handle == INVALID_HANDLE_VALUE) {
	/*
	 * Can't read directory.
	 */

	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	nativeErrfile = nativeSource;
	goto end;
    }

    Tcl_DStringSetLength(sourcePtr, oldSourceLen + 1);
    Tcl_DStringSetLength(sourcePtr, oldSourceLen);
    result = traverseProc(nativeSource, nativeTarget, DOTREE_PRED,

	result = traverseProc((const WCHAR *)Tcl_DStringValue(sourcePtr),
		(const WCHAR *)(targetPtr == NULL ? NULL : Tcl_DStringValue(targetPtr)),
		DOTREE_POSTD, errorPtr);
    }

  end:
    if (nativeErrfile != NULL) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	if (errorPtr != NULL) {
	    Tcl_DStringInit(errorPtr);
	    Tcl_WCharToUtfDString(nativeErrfile, -1, errorPtr);
	}
	result = TCL_ERROR;
    }

	if (DoCreateDirectory(nativeDst) == TCL_OK) {
	    DWORD attr = GetFileAttributesW(nativeSrc);

	    if (SetFileAttributesW(nativeDst,
		    attr) != FALSE) {
		return TCL_OK;
	    }
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	}
	break;
    case DOTREE_POSTD:
	return TCL_OK;
    }

    /*

static void
StatError(
    Tcl_Interp *interp,		/* The interp that has the error */
    Tcl_Obj *fileName)		/* The name of the file which caused the
				 * error. */
{
    TclWinConvertError(GetLastError());
    Tcl_WinConvertError(GetLastError());
    Tcl_SetObjResult(interp, Tcl_ObjPrintf("could not read \"%s\": %s",
	    TclGetString(fileName), Tcl_PosixError(interp)));
}

/*
 *----------------------------------------------------------------------
 *

    /*
     * Check for other errors. The big ones are ERROR_PATH_NOT_FOUND and
     * ERROR_ACCESS_DENIED.
     */

    if (error != ERROR_SUCCESS) {
	TclWinConvertError(error);
	Tcl_WinConvertError(error);
	Tcl_DStringFree(&base);
	return NULL;
    }

    /*
     * We actually made the directory, so we're done! Report what we made back
     * as a (clean) Tcl_Obj.

    if (!GetFullPathNameW(linkTargetPath, MAX_PATH, tempFileName,
	    &tempFilePart)) {
	/*
	 * Invalid file.
	 */

	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	return -1;
    }

    /*
     * Make sure source file doesn't exist.
     */

    if (!GetFullPathNameW(linkSourcePath, MAX_PATH, tempFileName,
	    &tempFilePart)) {
	/*
	 * Invalid file.
	 */

	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	return -1;
    }

    /*
     * Check the target.
     */

    attr = GetFileAttributesW(linkTargetPath);
    if (attr == INVALID_FILE_ATTRIBUTES) {
	/*
	 * The target doesn't exist.
	 */

	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
    } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) == 0) {
	/*
	 * It is a file.
	 */

	if (linkAction & TCL_CREATE_HARD_LINK) {
	    if (CreateHardLinkW(linkSourcePath, linkTargetPath, NULL)) {
		/*
		 * Success!
		 */

		return 0;
	    }

	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	} else if (linkAction & TCL_CREATE_SYMBOLIC_LINK) {
	    if (CreateSymbolicLinkW(linkSourcePath, linkTargetPath,
		    0x2 /* SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE */)) {
		/*
		 * Success!
		 */

		return 0;
	    } else {
		TclWinConvertError(GetLastError());
		Tcl_WinConvertError(GetLastError());
	    }
	} else {
	    Tcl_SetErrno(ENODEV);
	}
    } else {
	/*
	 * We've got a directory. Now check whether what we're trying to do is

    if (!GetFullPathNameW(linkSourcePath, MAX_PATH, tempFileName,
	    &tempFilePart)) {
	/*
	 * Invalid file.
	 */

	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	return NULL;
    }

    /*
     * Make sure source file does exist.
     */

    attr = GetFileAttributesW(linkSourcePath);
    if (attr == INVALID_FILE_ATTRIBUTES) {
	/*
	 * The source doesn't exist.
	 */

	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	return NULL;

    } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) == 0) {
	/*
	 * It is a file - this is not yet supported.
	 */

    if (hFile != INVALID_HANDLE_VALUE) {
	if (!DeviceIoControl(hFile, FSCTL_DELETE_REPARSE_POINT, reparseBuffer,
		REPARSE_MOUNTPOINT_HEADER_SIZE,NULL,0,&returnedLength,NULL)) {
	    /*
	     * Error setting junction.
	     */

	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	    CloseHandle(hFile);
	} else {
	    CloseHandle(hFile);
	    if (!linkOnly) {
		RemoveDirectoryW(linkOrigPath);
	    }
	    return 0;

	    FILE_FLAG_OPEN_REPARSE_POINT | FILE_FLAG_BACKUP_SEMANTICS, NULL);

    if (hFile == INVALID_HANDLE_VALUE) {
	/*
	 * Error creating directory.
	 */

	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	return -1;
    }

    /*
     * Get the link.
     */

    if (!DeviceIoControl(hFile, FSCTL_GET_REPARSE_POINT, NULL, 0, buffer,
	    sizeof(DUMMY_REPARSE_BUFFER), &returnedLength, NULL)) {
	/*
	 * Error setting junction.
	 */

	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	CloseHandle(hFile);
	return -1;
    }
    CloseHandle(hFile);

    if (!IsReparseTagValid(buffer->ReparseTag)) {
	Tcl_SetErrno(EINVAL);

     */

    if (CreateDirectoryW(linkDirPath, NULL) == 0) {
	/*
	 * Error creating directory.
	 */

	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	return -1;
    }
    hFile = CreateFileW(linkDirPath, GENERIC_WRITE, 0, NULL,
	    OPEN_EXISTING, FILE_FLAG_OPEN_REPARSE_POINT
	    | FILE_FLAG_BACKUP_SEMANTICS, NULL);
    if (hFile == INVALID_HANDLE_VALUE) {
	/*
	 * Error creating directory.
	 */

	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	return -1;
    }

    /*
     * Set the link.
     */

    if (!DeviceIoControl(hFile, FSCTL_SET_REPARSE_POINT, buffer,
	    (DWORD) buffer->ReparseDataLength + REPARSE_MOUNTPOINT_HEADER_SIZE,
	    NULL, 0, &returnedLength, NULL)) {
	/*
	 * Error setting junction.
	 */

	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	CloseHandle(hFile);
	RemoveDirectoryW(linkDirPath);
	return -1;
    }
    CloseHandle(hFile);

    /*

		 * means we just return TCL_OK, indicating no results found.
		 */

		Tcl_DStringFree(&dsOrig);
		return TCL_OK;
	    }

	    TclWinConvertError(err);
	    Tcl_WinConvertError(err);
	    if (interp != NULL) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"couldn't read directory \"%s\": %s",
			Tcl_DStringValue(&dsOrig), Tcl_PosixError(interp)));
	    }
	    Tcl_DStringFree(&dsOrig);
	    return TCL_ERROR;

    if (attr == INVALID_FILE_ATTRIBUTES) {
	/*
	 * File might not exist.
	 */

	DWORD lasterror = GetLastError();
	if (lasterror != ERROR_SHARING_VIOLATION) {
	    TclWinConvertError(lasterror);
	    Tcl_WinConvertError(lasterror);
	    return -1;
	}
    }

    if (mode == F_OK) {
	/*
	 * File exists, nothing else to check.

	error = GetLastError();
	if (error != ERROR_INSUFFICIENT_BUFFER) {
	    /*
	     * Most likely case is ERROR_ACCESS_DENIED, which we will convert
	     * to EACCES - just what we want!
	     */

	    TclWinConvertError((DWORD) error);
	    Tcl_WinConvertError((DWORD) error);
	    return -1;
	}

	/*
	 * Now size contains the size of buffer needed.
	 */

		&genMap, &privSet, &privSetSize, &grantedAccess,
		&accessYesNo)) {
	    /*
	     * Unable to perform access check.
	     */

	accessError:
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	    if (sdPtr != NULL) {
		HeapFree(GetProcessHeap(), 0, sdPtr);
	    }
	    if (hToken != NULL) {
		CloseHandle(hToken);
	    }
	    return -1;

    if (!nativePath) {
	return -1;
    }
    result = SetCurrentDirectoryW(nativePath);

    if (result == 0) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	return -1;
    }
    return 0;
}

/*
 *----------------------------------------------------------------------

				 * name of current directory. */
{
    WCHAR buffer[MAX_PATH];
    char *p;
    WCHAR *native;

    if (GetCurrentDirectoryW(MAX_PATH, buffer) == 0) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	if (interp != NULL) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "error getting working directory name: %s",
		    Tcl_PosixError(interp)));
	}
	return NULL;
    }

	if (GetFileAttributesExW(nativePath,
		GetFileExInfoStandard, &data) != TRUE) {
	    HANDLE hFind;
	    WIN32_FIND_DATAW ffd;
	    DWORD lasterror = GetLastError();

	    if (lasterror != ERROR_SHARING_VIOLATION) {
		TclWinConvertError(lasterror);
		Tcl_WinConvertError(lasterror);
		return -1;
		}
	    hFind = FindFirstFileW(nativePath, &ffd);
	    if (hFind == INVALID_HANDLE_VALUE) {
		TclWinConvertError(GetLastError());
		Tcl_WinConvertError(GetLastError());
		return -1;
	    }
	    memcpy(&data, &ffd, sizeof(data));
	    FindClose(hFind);
	}

	attr = data.dwFileAttributes;

ClientData
TclpGetNativeCwd(
    ClientData clientData)
{
    WCHAR buffer[MAX_PATH];

    if (GetCurrentDirectoryW(MAX_PATH, buffer) == 0) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	return NULL;
    }

    if (clientData != NULL) {
	if (wcscmp((const WCHAR *) clientData, buffer) == 0) {
	    return clientData;
	}

     */

    fileHandle = CreateFileW(native, FILE_WRITE_ATTRIBUTES, 0, NULL,
	    OPEN_EXISTING, flags, NULL);

    if (fileHandle == INVALID_HANDLE_VALUE ||
	    !SetFileTime(fileHandle, NULL, &lastAccessTime, &lastModTime)) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	res = -1;
    }
    if (fileHandle != INVALID_HANDLE_VALUE) {
	CloseHandle(fileHandle);
    }
    return res;
}

			" routine failed", -1);
		break;
            case ERROR_BAD_EXE_FORMAT:
		Tcl_SetErrorCode(interp, "WIN_LOAD", "BAD_EXE_FORMAT", NULL);
		Tcl_AppendToObj(errMsg, "Bad exe format. Possibly a 32/64-bit mismatch.", -1);
                break;
            default:
		TclWinConvertError(lastError);
		Tcl_WinConvertError(lastError);
		Tcl_AppendToObj(errMsg, Tcl_PosixError(interp), -1);
	    }
	    Tcl_SetObjResult(interp, errMsg);
	}
	return TCL_ERROR;
    }

	lastError = GetLastError();
	if (lastError != ERROR_ALREADY_EXISTS) {
	    break;
	}
	id *= 16777619;
    }

    TclWinConvertError(lastError);
    Tcl_WinConvertError(lastError);
    return TCL_ERROR;

    /*
     * Store our computed value in the global.
     */

  copyToGlobalBuffer:

    case O_WRONLY:
	accessMode = GENERIC_WRITE;
	break;
    case O_RDWR:
	accessMode = (GENERIC_READ | GENERIC_WRITE);
	break;
    default:
	TclWinConvertError(ERROR_INVALID_FUNCTION);
	Tcl_WinConvertError(ERROR_INVALID_FUNCTION);
	return NULL;
    }

    /*
     * Map the creation flags to the NT create mode.
     */

    if (handle == INVALID_HANDLE_VALUE) {
	DWORD err;

	err = GetLastError();
	if ((err & 0xFFFFL) == ERROR_OPEN_FAILED) {
	    err = (mode & O_CREAT) ? ERROR_FILE_EXISTS : ERROR_FILE_NOT_FOUND;
	}
	TclWinConvertError(err);
	Tcl_WinConvertError(err);
	return NULL;
    }

    /*
     * Seek to the end of file if we are writing.
     */

     * Free the native representation of the contents if necessary.
     */

    if (contents != NULL) {
	Tcl_DStringFree(&dstring);
    }

    TclWinConvertError(GetLastError());
    Tcl_WinConvertError(GetLastError());
    CloseHandle(handle);
    DeleteFileW(name);
    return NULL;
}

/*
 *----------------------------------------------------------------------

    if (CreatePipe(&readHandle, &writeHandle, NULL, 0) != 0) {
	*readPipe = TclWinMakeFile(readHandle);
	*writePipe = TclWinMakeFile(writeHandle);
	return 1;
    }

    TclWinConvertError(GetLastError());
    Tcl_WinConvertError(GetLastError());
    return 0;
}

/*
 *----------------------------------------------------------------------
 *
 * TclpCloseFile --

	if (!TclInThreadExit()
		|| ((GetStdHandle(STD_INPUT_HANDLE) != filePtr->handle)
		    && (GetStdHandle(STD_OUTPUT_HANDLE) != filePtr->handle)
		    && (GetStdHandle(STD_ERROR_HANDLE) != filePtr->handle))) {
	    if (filePtr->handle != NULL &&
		    CloseHandle(filePtr->handle) == FALSE) {
		TclWinConvertError(GetLastError());
		Tcl_WinConvertError(GetLastError());
		ckfree(filePtr);
		return -1;
	    }
	}
	break;

    default:

	    CloseHandle(h);
	}
    } else {
	DuplicateHandle(hProcess, inputHandle, hProcess, &startInfo.hStdInput,
		0, TRUE, DUPLICATE_SAME_ACCESS);
    }
    if (startInfo.hStdInput == INVALID_HANDLE_VALUE) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"couldn't duplicate input handle: %s",
		Tcl_PosixError(interp)));
	goto end;
    }

    if (outputHandle == INVALID_HANDLE_VALUE) {

	startInfo.hStdOutput = CreateFileW(L"NUL:", GENERIC_WRITE, 0,
		&secAtts, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
    } else {
	DuplicateHandle(hProcess, outputHandle, hProcess,
		&startInfo.hStdOutput, 0, TRUE, DUPLICATE_SAME_ACCESS);
    }
    if (startInfo.hStdOutput == INVALID_HANDLE_VALUE) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"couldn't duplicate output handle: %s",
		Tcl_PosixError(interp)));
	goto end;
    }

    if (errorHandle == INVALID_HANDLE_VALUE) {
	/*
	 * If handle was not set, errors should be sent to an infinitely deep
	 * sink.
	 */

	startInfo.hStdError = CreateFileW(L"NUL:", GENERIC_WRITE, 0,
		&secAtts, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
    } else {
	DuplicateHandle(hProcess, errorHandle, hProcess, &startInfo.hStdError,
		0, TRUE, DUPLICATE_SAME_ACCESS);
    }
    if (startInfo.hStdError == INVALID_HANDLE_VALUE) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"couldn't duplicate error handle: %s",
		Tcl_PosixError(interp)));
	goto end;
    }

    /*

     */

    BuildCommandLine(execPath, argc, argv, &cmdLine);

    if (CreateProcessW(NULL, (WCHAR *) Tcl_DStringValue(&cmdLine),
	    NULL, NULL, TRUE, (DWORD) createFlags, NULL, NULL, &startInfo,
	    &procInfo) == 0) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	Tcl_SetObjResult(interp, Tcl_ObjPrintf("couldn't execute \"%s\": %s",
		argv[0], Tcl_PosixError(interp)));
	goto end;
    }

    /*
     * This wait is used to force the OS to give some time to the DOS process.

	    applType = APPL_DOS;
	}
	break;
    }
    Tcl_DStringFree(&nameBuf);

    if (applType == APPL_NONE) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	Tcl_SetObjResult(interp, Tcl_ObjPrintf("couldn't execute \"%s\": %s",
		originalName, Tcl_PosixError(interp)));
	return APPL_NONE;
    }

    if (applType == APPL_WIN3X) {
	/*

    SECURITY_ATTRIBUTES sec;

    sec.nLength = sizeof(SECURITY_ATTRIBUTES);
    sec.lpSecurityDescriptor = NULL;
    sec.bInheritHandle = FALSE;

    if (!CreatePipe(&readHandle, &writeHandle, &sec, 0)) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"pipe creation failed: %s", Tcl_PosixError(interp)));
	return TCL_ERROR;
    }

    *rchan = Tcl_MakeFileChannel((ClientData) readHandle, TCL_READABLE);
    Tcl_RegisterChannel(interp, *rchan);

	/*
	 * Ignore errors if we have data to return.
	 */

	return bytesRead;
    }

    TclWinConvertError(GetLastError());
    Tcl_WinConvertError(GetLastError());
    if (errno == EPIPE) {
	infoPtr->readFlags |= PIPE_EOF;
	return 0;
    }
    *errorCode = errno;
    return -1;
}

    }

    /*
     * Check for a background error on the last write.
     */

    if (infoPtr->writeError) {
	TclWinConvertError(infoPtr->writeError);
	Tcl_WinConvertError(infoPtr->writeError);
	infoPtr->writeError = 0;
	goto error;
    }

    if (infoPtr->flags & PIPE_ASYNC) {
	/*
	 * The pipe is non-blocking, so copy the data into the output buffer

	/*
	 * In the blocking case, just try to write the buffer directly. This
	 * avoids an unnecessary copy.
	 */

	if (WriteFile(filePtr->handle, (LPVOID) buf, (DWORD) toWrite,
		&bytesWritten, (LPOVERLAPPED) NULL) == FALSE) {
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	    goto error;
	}
    }
    return bytesWritten;

  error:
    *errorCode = errno;

	/*
	 * Check to see if there is any data sitting in the pipe.
	 */

	if (PeekNamedPipe(handle, (LPVOID) NULL, (DWORD) 0,
		(LPDWORD) NULL, &count, (LPDWORD) NULL) != TRUE) {
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());

	    /*
	     * Check to see if the peek failed because of EOF.
	     */

	    if (errno == EPIPE) {
		infoPtr->readFlags |= PIPE_EOF;

	TclDecrRefCount(tmpObj);
    }

    return Tcl_MakeFileChannel((ClientData) handle,
	    TCL_READABLE|TCL_WRITABLE);

  gotError:
    TclWinConvertError(GetLastError());
    Tcl_WinConvertError(GetLastError());
    return NULL;
}

/*
 *----------------------------------------------------------------------
 *
 * TclPipeThreadCreateTI --

     */

    if (!TclInThreadExit()
	    || ((GetStdHandle(STD_INPUT_HANDLE) != serialPtr->handle)
	    && (GetStdHandle(STD_OUTPUT_HANDLE) != serialPtr->handle)
	    && (GetStdHandle(STD_ERROR_HANDLE) != serialPtr->handle))) {
	if (CloseHandle(serialPtr->handle) == FALSE) {
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	    errorCode = errno;
	}
    }

    serialPtr->watchMask &= serialPtr->validMask;

    /*

    /*
     * Perform blocking read. Doesn't block in non-blocking mode, because we
     * checked the number of available bytes.
     */

    if (SerialBlockingRead(infoPtr, (LPVOID) buf, (DWORD) bufSize, &bytesRead,
	    &infoPtr->osRead) == FALSE) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	*errorCode = errno;
	return -1;
    }
    return bytesRead;

  commError:
    infoPtr->lastError = infoPtr->error;

    }

    /*
     * Check for a background error on the last write.
     */

    if (infoPtr->writeError) {
	TclWinConvertError(infoPtr->writeError);
	Tcl_WinConvertError(infoPtr->writeError);
	infoPtr->writeError = 0;
	goto error1;
    }

    /*
     * Remember the number of bytes in output queue
     */

	    goto error;
	}
    }

    return (int) bytesWritten;

  writeError:
    TclWinConvertError(GetLastError());
    Tcl_WinConvertError(GetLastError());

  error:
    /*
     * Reset the output queue counter on error during blocking output
     */

    /*

		Tcl_SetErrorCode(interp, "TCL", "VALUE", "SYS_BUFFER", NULL);
	    }
	    return TCL_ERROR;
	}

	if (!SetupComm(infoPtr->handle, inSize, outSize)) {
	    if (interp != NULL) {
		TclWinConvertError(GetLastError());
		Tcl_WinConvertError(GetLastError());
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"can't setup comm buffers: %s",
			Tcl_PosixError(interp)));
	    }
	    return TCL_ERROR;
	}
	infoPtr->sysBufRead  = inSize;

	if (Tcl_GetInt(interp, value, &msec) != TCL_OK) {
	    return TCL_ERROR;
	}
	tout.ReadTotalTimeoutConstant = msec;
	if (!SetCommTimeouts(infoPtr->handle, &tout)) {
	    if (interp != NULL) {
		TclWinConvertError(GetLastError());
		Tcl_WinConvertError(GetLastError());
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"can't set comm timeouts: %s",
			Tcl_PosixError(interp)));
	    }
	    return TCL_ERROR;
	}

	return TCL_OK;
    }

    return Tcl_BadChannelOption(interp, optionName,
	    "closemode mode handshake pollinterval sysbuffer timeout "
	    "ttycontrol xchar");

  getStateFailed:
    if (interp != NULL) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"can't get comm state: %s", Tcl_PosixError(interp)));
    }
    return TCL_ERROR;

  setStateFailed:
    if (interp != NULL) {
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"can't set comm state: %s", Tcl_PosixError(interp)));
    }
    return TCL_ERROR;
}

/*

    if (len==0 || (len>2 && (strncmp(optionName, "-mode", len) == 0))) {
	char parity;
	const char *stop;
	char buf[2 * TCL_INTEGER_SPACE + 16];

	if (!GetCommState(infoPtr->handle, &dcb)) {
	    if (interp != NULL) {
		TclWinConvertError(GetLastError());
		Tcl_WinConvertError(GetLastError());
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"can't get comm state: %s", Tcl_PosixError(interp)));
	    }
	    return TCL_ERROR;
	}

	valid = 1;

    }
    if (len==0 || (len>1 && strncmp(optionName, "-xchar", len) == 0)) {
	char buf[4];
	valid = 1;

	if (!GetCommState(infoPtr->handle, &dcb)) {
	    if (interp != NULL) {
		TclWinConvertError(GetLastError());
		Tcl_WinConvertError(GetLastError());
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"can't get comm state: %s", Tcl_PosixError(interp)));
	    }
	    return TCL_ERROR;
	}
	buf[Tcl_UniCharToUtf(UCHAR(dcb.XonChar), buf)] = '\0';
	Tcl_DStringAppendElement(dsPtr, buf);

     */

    if (len>4 && strncmp(optionName, "-ttystatus", len)==0) {
	DWORD status;

	if (!GetCommModemStatus(infoPtr->handle, &status)) {
	    if (interp != NULL) {
		TclWinConvertError(GetLastError());
		Tcl_WinConvertError(GetLastError());
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"can't get tty status: %s", Tcl_PosixError(interp)));
	    }
	    return TCL_ERROR;
	}
	valid = 1;
	SerialModemStatusStr(status, dsPtr);

	/*
	 * Check for error condition or underflow in non-blocking case.
	 */

	if (GOT_BITS(statePtr->flags, TCP_NONBLOCKING)
                || (error != WSAEWOULDBLOCK)) {
	    TclWinConvertError(error);
	    Tcl_WinConvertError(error);
	    *errorCodePtr = Tcl_GetErrno();
	    bytesRead = -1;
	    break;
	}

	/*
	 * In the blocking case, wait until the file becomes readable or

	    CLEAR_BITS(statePtr->readyEvents, FD_WRITE);
	    if (GOT_BITS(statePtr->flags, TCP_NONBLOCKING)) {
		*errorCodePtr = EWOULDBLOCK;
		written = -1;
		break;
	    }
	} else {
	    TclWinConvertError(error);
	    Tcl_WinConvertError(error);
	    *errorCodePtr = Tcl_GetErrno();
	    written = -1;
	    break;
	}

	/*
	 * In the blocking case, wait until the file becomes writable or

	 */

	while (statePtr->sockets != NULL) {
	    TcpFdList *thisfd = statePtr->sockets;

	    statePtr->sockets = thisfd->next;
	    if (closesocket(thisfd->fd) == SOCKET_ERROR) {
		TclWinConvertError((DWORD) WSAGetLastError());
		Tcl_WinConvertError((DWORD) WSAGetLastError());
		errorCode = Tcl_GetErrno();
	    }
	    ckfree(thisfd);
	}
    }

    if (statePtr->addrlist != NULL) {

    /*
     * Single fd operation: Tcl_OpenTcpServer() does not set TCL_READABLE or
     * TCL_WRITABLE so this should never be called for a server socket.
     */

    if ((flags & TCL_CLOSE_READ) && (shutdown(statePtr->sockets->fd, SD_RECEIVE) == SOCKET_ERROR)) {
	TclWinConvertError((DWORD) WSAGetLastError());
	Tcl_WinConvertError((DWORD) WSAGetLastError());
	readError = Tcl_GetErrno();
    }
    if ((flags & TCL_CLOSE_WRITE) && (shutdown(statePtr->sockets->fd, SD_SEND) == SOCKET_ERROR)) {
	TclWinConvertError((DWORD) WSAGetLastError());
	Tcl_WinConvertError((DWORD) WSAGetLastError());
	writeError = Tcl_GetErrno();
    }
    return (readError != 0) ? readError : writeError;
}

/*
 *----------------------------------------------------------------------

	}
	if (boolVar) {
	    val = TRUE;
	}
	rtn = setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
		(const char *) &val, sizeof(BOOL));
	if (rtn != 0) {
	    TclWinConvertError(WSAGetLastError());
	    Tcl_WinConvertError(WSAGetLastError());
	    if (interp) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"couldn't set socket option: %s",
			Tcl_PosixError(interp)));
	    }
	    return TCL_ERROR;
	}

	}
	if (!boolVar) {
	    val = TRUE;
	}
	rtn = setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
		(const char *) &val, sizeof(BOOL));
	if (rtn != 0) {
	    TclWinConvertError(WSAGetLastError());
	    Tcl_WinConvertError(WSAGetLastError());
	    if (interp) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"couldn't set socket option: %s",
			Tcl_PosixError(interp)));
	    }
	    return TCL_ERROR;
	}

		}

		/*
		 * Return error message.
		 */

		if (err) {
		    TclWinConvertError(err);
		    Tcl_WinConvertError(err);
		    Tcl_DStringAppend(dsPtr, Tcl_ErrnoMsg(Tcl_GetErrno()),
                            -1);
		}
	    }
	}
	return TCL_OK;
    }

	     * getpeername failed - but if we were asked for all the options
	     * (len==0), don't flag an error at that point because it could be
	     * an fconfigure request on a server socket (such sockets have no
	     * peer). {Copied from unix/tclUnixChan.c}
	     */

	    if (len) {
		TclWinConvertError((DWORD) WSAGetLastError());
		Tcl_WinConvertError((DWORD) WSAGetLastError());
		if (interp) {
		    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			    "can't get peername: %s",
			    Tcl_PosixError(interp)));
		}
		return TCL_ERROR;
	    }

	if (found) {
	    if (len) {
		return TCL_OK;
	    }
	    Tcl_DStringEndSublist(dsPtr);
	} else {
	    if (interp) {
		TclWinConvertError((DWORD) WSAGetLastError());
		Tcl_WinConvertError((DWORD) WSAGetLastError());
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"can't get sockname: %s", Tcl_PosixError(interp)));
	    }
	    return TCL_ERROR;
	}
    }

	    SetEvent(tsdPtr->socketListLock);

	    /*
             * Continue on socket creation error.
             */

	    if (statePtr->sockets->fd == INVALID_SOCKET) {
		TclWinConvertError((DWORD) WSAGetLastError());
		Tcl_WinConvertError((DWORD) WSAGetLastError());
		continue;
	    }

	    /*
	     * Win-NT has a misfeature that sockets are inherited in child
	     * processes by default. Turn off the inherit bit.
	     */

	    /*
	     * Try to bind to a local port.
	     */

	    if (bind(statePtr->sockets->fd, statePtr->myaddr->ai_addr,
		    statePtr->myaddr->ai_addrlen) == SOCKET_ERROR) {
		TclWinConvertError((DWORD) WSAGetLastError());
		Tcl_WinConvertError((DWORD) WSAGetLastError());
		continue;
	    }

	    /*
	     * For asynchroneous connect set the socket in nonblocking mode
	     * and activate connect notification
	     */

	     * Attempt to connect to the remote socket.
	     */

	    connect(statePtr->sockets->fd, statePtr->addr->ai_addr,
		    statePtr->addr->ai_addrlen);

	    error = WSAGetLastError();
	    TclWinConvertError(error);
	    Tcl_WinConvertError(error);

	    if (async_connect && error == WSAEWOULDBLOCK) {
		/*
		 * Asynchroneous connect
		 *
		 * Remember that we jump back behind this next round
		 */

		WaitForSingleObject(tsdPtr->socketListLock, INFINITE);

		/*
                 * Get signaled connect error.
                 */

		TclWinConvertError((DWORD) statePtr->notifierConnectError);
		Tcl_WinConvertError((DWORD) statePtr->notifierConnectError);

		/*
                 * Clear eventual connect flag.
                 */

		CLEAR_BITS(statePtr->selectEvents, FD_CONNECT);

	goto error;
    }

    for (addrPtr = addrlist; addrPtr != NULL; addrPtr = addrPtr->ai_next) {
	sock = socket(addrPtr->ai_family, addrPtr->ai_socktype,
                addrPtr->ai_protocol);
	if (sock == INVALID_SOCKET) {
	    TclWinConvertError((DWORD) WSAGetLastError());
	    Tcl_WinConvertError((DWORD) WSAGetLastError());
	    continue;
	}

	/*
	 * Win-NT has a misfeature that sockets are inherited in child
	 * processes by default. Turn off the inherit bit.
	 */

	 * Bind should not be affected by the socket having already been
	 * set into nonblocking mode. If there is trouble, this is one
	 * place to look for bugs.
	 */

	if (bind(sock, addrPtr->ai_addr,
                addrPtr->ai_addrlen) == SOCKET_ERROR) {
	    TclWinConvertError((DWORD) WSAGetLastError());
	    Tcl_WinConvertError((DWORD) WSAGetLastError());
	    closesocket(sock);
	    continue;
	}
	if (port == 0 && chosenport == 0) {
	    address sockname;
	    socklen_t namelen = sizeof(sockname);

	/*
	 * Set the maximum number of pending connect requests to the max
	 * value allowed on each platform (Win32 and Win32s may be
	 * different, and there may be differences between TCP/IP stacks).
	 */

	if (listen(sock, SOMAXCONN) == SOCKET_ERROR) {
	    TclWinConvertError((DWORD) WSAGetLastError());
	    Tcl_WinConvertError((DWORD) WSAGetLastError());
	    closesocket(sock);
	    continue;
	}

	if (statePtr == NULL) {
	    /*
	     * Add this socket to the global list of sockets.

	windowClass.lpszMenuName = NULL;
	windowClass.lpszClassName = className;
	windowClass.lpfnWndProc = SocketProc;
	windowClass.hIcon = NULL;
	windowClass.hCursor = NULL;

	if (!RegisterClassW(&windowClass)) {
	    TclWinConvertError(GetLastError());
	    Tcl_WinConvertError(GetLastError());
	    goto initFailure;
	}
    }

    /*
     * Check for per-thread initialization.
     */

    }
    found = GetVolumeInformationA(path, NULL, 0, NULL, NULL, NULL, volType,
	    VOL_BUF_SIZE);

    if (found == 0) {
	Tcl_AppendResult(interp, "could not get volume type for \"",
		(path?path:""), "\"", NULL);
	TclWinConvertError(GetLastError());
	Tcl_WinConvertError(GetLastError());
	return TCL_ERROR;
    }
    Tcl_AppendResult(interp, volType, NULL);
    return TCL_OK;
#undef VOL_BUF_SIZE
}