Tcl Source Code

            - gcc-mingw-w64
            - gcc-multilib
            - wine
      env:
        - BUILD_DIR=win
        - CFGOPT=--host=i686-w64-mingw32
        - NO_DIRECT_TEST=1
    - os: linux
      dist: xenial
      compiler: i686-w64-mingw32-gcc
      addons:
        apt:
          packages:
            - gcc-mingw-w64-base
            - binutils-mingw-w64-i686
            - gcc-mingw-w64-i686
            - gcc-mingw-w64
            - gcc-multilib
            - wine
      env:
        - BUILD_DIR=win
        - CFGOPT="--host=i686-w64-mingw32 CFLAGS=-DTCL_UTF_MAX=6"
        - NO_DIRECT_TEST=1
# Test with mingw-w64 (64 bit)
    - os: linux
      dist: xenial
      compiler: x86_64-w64-mingw32-gcc
      addons:
        apt:
          packages:
            - gcc-mingw-w64-base
            - binutils-mingw-w64-x86-64
            - gcc-mingw-w64-x86-64
            - gcc-mingw-w64
            - wine
      env:
        - BUILD_DIR=win
        - CFGOPT="--host=x86_64-w64-mingw32 --enable-64bit"
        - NO_DIRECT_TEST=1
    - os: linux
      dist: xenial
      compiler: x86_64-w64-mingw32-gcc
      addons:
        apt:
          packages:
            - gcc-mingw-w64-base
            - binutils-mingw-w64-x86-64
            - gcc-mingw-w64-x86-64
            - gcc-mingw-w64
            - wine
      env:
        - BUILD_DIR=win
        - CFGOPT="--host=x86_64-w64-mingw32 --enable-64bit CFLAGS=-DTCL_UTF_MAX=6"
        - NO_DIRECT_TEST=1

before_install:
  - export ERROR_ON_FAILURES=1
  - cd ${BUILD_DIR}
install:
  - test -n "$NO_DIRECT_CONFIGURE" || ./configure ${CFGOPT}
script:
  - make
  # The styles=develop avoids some weird problems on OSX
  - test -n "$NO_DIRECT_TEST" || make test styles=develop

    const chr *stop;		/* end of string */
    const chr *savenow;		/* saved now and stop for "subroutine call" */
    const chr *savestop;
    int err;			/* error code (0 if none) */
    int cflags;			/* copy of compile flags */
    int lasttype;		/* type of previous token */
    int nexttype;		/* type of next token */
    int nextvalue;		/* value (if any) of next token */
    int lexcon;			/* lexical context type (see lex.c) */
    int nsubexp;		/* subexpression count */
    struct subre **subs;	/* subRE pointer vector */
    int nsubs;			/* length of vector */
    struct subre *sub10[10];	/* initial vector, enough for most */
    struct nfa *nfa;		/* the NFA */
    struct colormap *cm;	/* character color map */
    color nlcolor;		/* color of newline */
    struct state *wordchrs;	/* state in nfa holding word-char outarcs */
    struct subre *tree;		/* subexpression tree */
    struct subre *treechain;	/* all tree nodes allocated */

    regex_t *re,
    const chr *string,
    size_t len,
    int flags)
{
    AllocVars(v);
    struct guts *g;
    int i, j;

    FILE *debug = (flags&REG_PROGRESS) ? stdout : NULL;
#define	CNOERR()	{ if (ISERR()) return freev(v, v->err); }

    /*
     * Sanity checks.
     */

 */
static void
moresubs(
    struct vars *v,
    size_t wanted)			/* want enough room for this one */
{
    struct subre **p;
    int n;

    assert(wanted > 0 && wanted >= v->nsubs);
    n = wanted * 3 / 2 + 1;
    if (v->subs == v->sub10) {
	p = (struct subre **) MALLOC(n * sizeof(struct subre *));
	if (p != NULL) {
	    memcpy(p, v->subs, v->nsubs * sizeof(struct subre *));

    struct state *s2;
#define	ARCV(t, val)	newarc(v->nfa, t, val, lp, rp)
    int m, n;
    struct subre *atom;		/* atom's subtree */
    struct subre *t;
    int cap;			/* capturing parens? */
    int pos;			/* positive lookahead? */
    int subno;			/* capturing-parens or backref number */
    int atomtype;
    int qprefer;		/* quantifier short/long preference */
    int f;
    struct subre **atomp;	/* where the pointer to atom is */

    /*
     * Initial bookkeeping.

    /* the rest is opaque pointers to hidden innards */
    char *re_guts;		/* `char *' is more portable than `void *' */
    char *re_fns;
} regex_t;

/* result reporting (may acquire more fields later) */
typedef struct {
    long rm_so;		/* start of substring */
    long rm_eo;		/* end of substring */
} regmatch_t;

/* supplementary control and reporting */
typedef struct {
    regmatch_t rm_extend;	/* see REG_EXPECT */
} rm_detail_t;

    rm_detail_t *details,
    size_t nmatch,
    regmatch_t pmatch[],
    int flags)
{
    AllocVars(v);
    int st, backref;
    int n;
    int i;
#define	LOCALMAT	20
    regmatch_t mat[LOCALMAT];
#define LOCALDFAS	40
    struct dfa *subdfas[LOCALDFAS];

    /*
     * Sanity checks.

	v->pmatch = pmatch;
    }
    v->details = details;
    v->start = (chr *)string;
    v->stop = (chr *)string + len;
    v->err = 0;
    assert(v->g->ntree >= 0);
    n = v->g->ntree;
    if (n <= LOCALDFAS)
	v->subdfas = subdfas;
    else
	v->subdfas = (struct dfa **) MALLOC(n * sizeof(struct dfa *));
    if (v->subdfas == NULL) {
	if (v->pmatch != pmatch && v->pmatch != mat)
	    FREE(v->pmatch);

    /*
     * Clean up.
     */

    if (v->pmatch != pmatch && v->pmatch != mat) {
	FREE(v->pmatch);
    }
    n = v->g->ntree;
    for (i = 0; i < n; i++) {
	if (v->subdfas[i] != NULL)
	    freeDFA(v->subdfas[i]);
    }
    if (v->subdfas != subdfas)
	FREE(v->subdfas);
    FreeVars(v);

    assert(t->op == 'b');
    assert(n >= 0);
    assert((size_t)n < v->nmatch);

    MDEBUG(("cbackref n%d %d{%d-%d}\n", t->id, n, min, max));

    /* get the backreferenced string */
    if (v->pmatch[n].rm_so == -1) {
	return REG_NOMATCH;
    }
    brstring = v->start + v->pmatch[n].rm_so;
    brlen = v->pmatch[n].rm_eo - v->pmatch[n].rm_so;

    /* special cases for zero-length strings */
    if (brlen == 0) {

    size_t length;
    ByteArray *srcArrayPtr, *copyArrayPtr;
    Tcl_ObjIntRep ir;

    srcArrayPtr = GET_BYTEARRAY(TclFetchIntRep(srcPtr, &tclByteArrayType));
    length = srcArrayPtr->used;

    copyArrayPtr = Tcl_Alloc(BYTEARRAY_SIZE(length));
    copyArrayPtr->used = length;
    copyArrayPtr->allocated = length;
    memcpy(copyArrayPtr->bytes, srcArrayPtr->bytes, length);

    SET_BYTEARRAY(&ir, copyArrayPtr);
    Tcl_StoreIntRep(copyPtr, &tclByteArrayType, &ir);
}

    const char *format;	/* Pointer to current position in format
				 * string. */
    Tcl_Obj *resultPtr = NULL;	/* Object holding result buffer. */
    unsigned char *buffer;	/* Start of result buffer. */
    const char *errorString;
    const char *str;
    int offset, size;
    size_t length = 0;

    int i;
    Tcl_Obj *valuePtr, *elementPtr;
    Tcl_HashTable numberCacheHash;
    Tcl_HashTable *numberCachePtr;

    if (objc < 3) {

{
    Tcl_Obj *resultObj;
    unsigned char *data, *start, *cursor;
    int rawLength, n, i, bits, index;
    int lineLength = 61;
    const unsigned char SingleNewline[] = { (unsigned char) '\n' };
    const unsigned char *wrapchar = SingleNewline;
    size_t j, offset, count = 0, wrapcharlen = sizeof(SingleNewline);
    enum { OPT_MAXLEN, OPT_WRAPCHAR };
    static const char *const optStrings[] = { "-maxlen", "-wrapchar", NULL };

    if (objc < 2 || objc%2 != 0) {
	Tcl_WrongNumArgs(interp, 1, objv,
		"?-maxlen len? ?-wrapchar char? data");
	return TCL_ERROR;

    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_Obj *data;		/* Byte array to convert */
    Tcl_DString ds;		/* Buffer to hold the string */
    Tcl_Encoding encoding;	/* Encoding to use */
    size_t length = 0;			/* Length of the byte array being converted */
    const char *bytesPtr;	/* Pointer to the first byte of the array */

    if (objc == 2) {
	encoding = Tcl_GetEncoding(interp, NULL);
	data = objv[1];
    } else if (objc == 3) {
	if (Tcl_GetEncodingFromObj(interp, objv[1], &encoding) != TCL_OK) {

    if (Tcl_SplitList(NULL, Tcl_DStringValue(&buffer), &numVars,
	    &argv) != TCL_OK) {
	Tcl_DStringFree(&buffer);
	return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr);
    }
    Tcl_DStringFree(&buffer);
    if (numVars != 2) {
	Tcl_Free((void *)argv);
	return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr);
    }

    nameChars = strlen(argv[0]);
    keyVarIndex = LocalScalar(argv[0], nameChars, envPtr);
    nameChars = strlen(argv[1]);
    valueVarIndex = LocalScalar(argv[1], nameChars, envPtr);
    Tcl_Free((void *)argv);

    if ((keyVarIndex < 0) || (valueVarIndex < 0)) {
	return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr);
    }

    /*
     * Allocate a temporary variable to store the iterator reference. The

    Tcl_Interp *interp,
    int objc,
    struct Tcl_Obj *const *objv)
{
    QCCD *cdPtr = clientData;
    Tcl_Obj *pkgName = cdPtr->pkg;
    Tcl_Obj *pDB, *pkgDict, *val, *listPtr;
    size_t n = 0;
    int index, m;
    static const char *const subcmdStrings[] = {
	"get", "list", NULL
    };
    enum subcmds {
	CFG_GET, CFG_LIST
    };

			    int *srcReadPtr, int *dstWrotePtr,
			    int *dstCharsPtr);
static int		TableToUtfProc(ClientData clientData, const char *src,
			    int srcLen, int flags, Tcl_EncodingState *statePtr,
			    char *dst, int dstLen, int *srcReadPtr,
			    int *dstWrotePtr, int *dstCharsPtr);
static size_t		unilen(const char *src);
static int		UniCharToUtfProc(ClientData clientData,
			    const char *src, int srcLen, int flags,
			    Tcl_EncodingState *statePtr, char *dst, int dstLen,
			    int *srcReadPtr, int *dstWrotePtr,
			    int *dstCharsPtr);
static int		UtfToUniCharProc(ClientData clientData,
			    const char *src, int srcLen, int flags,
			    Tcl_EncodingState *statePtr, char *dst, int dstLen,
			    int *srcReadPtr, int *dstWrotePtr,
			    int *dstCharsPtr);
static int		UtfToUtfProc(ClientData clientData,
			    const char *src, int srcLen, int flags,
			    Tcl_EncodingState *statePtr, char *dst, int dstLen,

    type.fromUtfProc	= UtfIntToUtfExtProc;
    type.freeProc	= NULL;
    type.nullSize	= 1;
    type.clientData	= NULL;
    Tcl_CreateEncoding(&type);

    type.encodingName   = "unicode";
    type.toUtfProc	= UniCharToUtfProc;
    type.fromUtfProc    = UtfToUniCharProc;
    type.freeProc	= NULL;
    type.nullSize	= 2;
    type.clientData	= NULL;
    Tcl_CreateEncoding(&type);

    /*
     * Need the iso8859-1 encoding in order to process binary data, so force

		   Tcl_FreeEncoding((Tcl_Encoding) e);
		   e = NULL;
		}
		est.encodingPtr = e;
		Tcl_DStringAppend(&escapeData, (char *) &est, sizeof(est));
	    }
	}
	Tcl_Free((void *)argv);
	Tcl_DStringFree(&lineString);
    }

    size = sizeof(EscapeEncodingData) - sizeof(EscapeSubTable)
	    + Tcl_DStringLength(&escapeData);
    dataPtr = Tcl_Alloc(size);
    dataPtr->initLen = strlen(init);

    *dstCharsPtr = numChars;
    return result;
}

/*
 *-------------------------------------------------------------------------
 *
 * UniCharToUtfProc --
 *
 *	Convert from Unicode to UTF-8.
 *
 * Results:
 *	Returns TCL_OK if conversion was successful.
 *
 * Side effects:
 *	None.
 *
 *-------------------------------------------------------------------------
 */

static int
UniCharToUtfProc(
    ClientData clientData,	/* Not used. */
    const char *src,		/* Source string in Unicode. */
    int srcLen,			/* Source string length in bytes. */
    int flags,			/* Conversion control flags. */
    Tcl_EncodingState *statePtr,/* Place for conversion routine to store state
				 * information used during a piecewise
				 * conversion. Contents of statePtr are

    int *dstCharsPtr)		/* Filled with the number of characters that
				 * correspond to the bytes stored in the
				 * output buffer. */
{
    const char *srcStart, *srcEnd;
    const char *dstEnd, *dstStart;
    int result, numChars, charLimit = INT_MAX;

    unsigned short ch;



    if (flags & TCL_ENCODING_CHAR_LIMIT) {
	charLimit = *dstCharsPtr;
    }
    result = TCL_OK;
    if ((srcLen % sizeof(unsigned short)) != 0) {
	result = TCL_CONVERT_MULTIBYTE;
	srcLen /= sizeof(unsigned short);
	srcLen *= sizeof(unsigned short);
    }

    srcStart = src;
    srcEnd = src + srcLen;

    dstStart = dst;
    dstEnd = dst + dstLen - TCL_UTF_MAX;

    for (numChars = 0; src < srcEnd && numChars <= charLimit; numChars++) {
	if (dst > dstEnd) {
	    result = TCL_CONVERT_NOSPACE;
	    break;
	}

	/*
	 * Special case for 1-byte utf chars for speed. Make sure we work with
	 * unsigned short-size data.
	 */

	ch = *(unsigned short *)src;
	if (ch && ch < 0x80) {
	    *dst++ = (ch & 0xFF);
	} else {
	    dst += Tcl_UniCharToUtf(ch, dst);
	}
	src += sizeof(unsigned short);
    }

    *srcReadPtr = src - srcStart;
    *dstWrotePtr = dst - dstStart;
    *dstCharsPtr = numChars;
    return result;
}

/*
 *-------------------------------------------------------------------------
 *
 * UtfToUniCharProc --
 *
 *	Convert from UTF-8 to Unicode.
 *
 * Results:
 *	Returns TCL_OK if conversion was successful.
 *
 * Side effects:
 *	None.
 *
 *-------------------------------------------------------------------------
 */

static int
UtfToUniCharProc(
    ClientData clientData,	/* TableEncodingData that specifies
				 * encoding. */
    const char *src,		/* Source string in UTF-8. */
    int srcLen,			/* Source string length in bytes. */
    int flags,			/* Conversion control flags. */
    Tcl_EncodingState *statePtr,/* Place for conversion routine to store state
				 * information used during a piecewise

	/*
	 * Need to handle this in a way that won't cause misalignment by
	 * casting dst to a Tcl_UniChar. [Bug 1122671]
	 */

#ifdef WORDS_BIGENDIAN
#if TCL_UTF_MAX > 4
	if (*chPtr <= 0xFFFF) {
	    *dst++ = (*chPtr >> 8);
	    *dst++ = (*chPtr & 0xFF);
	} else {
	    *dst++ = ((*chPtr & 0x3) >> 8) | 0xDC;
	    *dst++ = (*chPtr & 0xFF);
	    *dst++ = (((*chPtr - 0x10000) >> 18) & 0x3) | 0xD8;
	    *dst++ = (((*chPtr - 0x10000) >> 10) & 0xFF);
	}
#else
	*dst++ = (*chPtr >> 8);
	*dst++ = (*chPtr & 0xFF);
#endif
#else
#if TCL_UTF_MAX > 4
	if (*chPtr <= 0xFFFF) {
	    *dst++ = (*chPtr & 0xFF);
	    *dst++ = (*chPtr >> 8);
	} else {
	    *dst++ = (((*chPtr - 0x10000) >> 10) & 0xFF);
	    *dst++ = (((*chPtr - 0x10000) >> 18) & 0x3) | 0xD8;
	    *dst++ = (*chPtr & 0xFF);
	    *dst++ = ((*chPtr & 0x3) >> 8) | 0xDC;
	}
#else
	*dst++ = (*chPtr & 0xFF);
	*dst++ = (*chPtr >> 8);
#endif
#endif
    }
    *srcReadPtr = src - srcStart;

	}
	Tcl_SetEnsembleMappingDict(interp, ensemble, mapDict);
    }

    Tcl_DStringFree(&buf);
    Tcl_DStringFree(&hiddenBuf);
    if (nameParts != NULL) {
	Tcl_Free((void *)nameParts);
    }
    return ensemble;
}

/*
 *----------------------------------------------------------------------
 *

	    ustring1 = TclGetUnicodeFromObj(valuePtr, &slength);
	    ustring2 = TclGetUnicodeFromObj(value2Ptr, &length2);
	    match = TclUniCharMatch(ustring1, slength, ustring2, length2,
		    nocase);
	} else if (TclIsPureByteArray(valuePtr) && !nocase) {
	    unsigned char *bytes1, *bytes2;
	    size_t wlen1 = 0, wlen2 = 0;

	    bytes1 = TclGetByteArrayFromObj(valuePtr, &wlen1);
	    bytes2 = TclGetByteArrayFromObj(value2Ptr, &wlen2);
	    match = TclByteArrayMatch(bytes1, wlen1, bytes2, wlen2, 0);
	} else {
	    match = Tcl_StringCaseMatch(TclGetString(valuePtr),
		    TclGetString(value2Ptr), nocase);

    /*
     * Always use the topmost channel of the stack
     */

    Channel *chanPtr;
    ChannelState *statePtr;	/* State info for channel */
    const char *src;
    size_t srcLen = 0;

    statePtr = ((Channel *) chan)->state;
    chanPtr = statePtr->topChanPtr;

    if (CheckChannelErrors(statePtr, TCL_WRITABLE) != 0) {
	return TCL_IO_FAILURE;
    }

	     * When translating from UTF-8 to external encoding, we allowed
	     * the translation to produce a character that crossed the end of
	     * the output buffer, so that we would get a completely full
	     * buffer before flushing it. The extra bytes will be moved to the
	     * beginning of the next buffer.
	     */

	    saved = 1 + ~SpaceLeft(bufPtr);
	    memcpy(safe, dst + dstLen, saved);
	    bufPtr->nextAdded = bufPtr->bufLength;
	}

	if ((srcLen + saved == 0) && (result == TCL_OK)) {
	    endEncoding = 0;
	}

				 * object as UTF-8 characters. */
{
    Channel *chanPtr = (Channel *) chan;
    ChannelState *statePtr = chanPtr->state;
				/* State info for channel */
    ChannelBuffer *bufPtr;
    int inEofChar, skip, copiedTotal, oldFlags, oldRemoved;
    size_t rawLen, byteLen = 0, oldLength;
    int eolChar;
    unsigned char *dst, *dstEnd, *eol, *eof, *byteArray;

    /*
     * This operation should occur at the top of a channel stack.
     */

	argc--;
	for (i = 0; i < argc; i++) {
	    Tcl_AppendPrintfToObj(errObj, "-%s, ", argv[i]);
	}
	Tcl_AppendPrintfToObj(errObj, "or -%s", argv[i]);
        Tcl_SetObjResult(interp, errObj);
	Tcl_DStringFree(&ds);
	Tcl_Free((void *)argv);
    }
    Tcl_SetErrno(EINVAL);
    return TCL_ERROR;
}

/*
 *----------------------------------------------------------------------

	    if (inValue & 0x80 || outValue & 0x80) {
		if (interp) {
		    Tcl_SetObjResult(interp, Tcl_NewStringObj(
                            "bad value for -eofchar: must be non-NUL ASCII"
                            " character", -1));
		}
		Tcl_Free((void *)argv);
		return TCL_ERROR;
	    }
	    if (GotFlag(statePtr, TCL_READABLE)) {
		statePtr->inEofChar = inValue;
	    }
	    if (GotFlag(statePtr, TCL_WRITABLE)) {
		statePtr->outEofChar = outValue;
	    }
	} else {
	    if (interp) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"bad value for -eofchar: should be a list of zero,"
			" one, or two elements", -1));
	    }
	    Tcl_Free((void *)argv);
	    return TCL_ERROR;
	}
	if (argv != NULL) {
	    Tcl_Free((void *)argv);
	}

	/*
	 * [Bug 930851] Reset EOF and BLOCKED flags. Changing the character
	 * which signals eof can transform a current eof condition into a 'go
	 * ahead'. Ditto for blocked.
	 */

	    writeMode = GotFlag(statePtr, TCL_WRITABLE) ? argv[1] : NULL;
	} else {
	    if (interp) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"bad value for -translation: must be a one or two"
			" element list", -1));
	    }
	    Tcl_Free((void *)argv);
	    return TCL_ERROR;
	}

	if (readMode) {
	    TclEolTranslation translation;

	    if (*readMode == '\0') {

		translation = TCL_PLATFORM_TRANSLATION;
	    } else {
		if (interp) {
		    Tcl_SetObjResult(interp, Tcl_NewStringObj(
			    "bad value for -translation: must be one of "
                            "auto, binary, cr, lf, crlf, or platform", -1));
		}
		Tcl_Free((void *)argv);
		return TCL_ERROR;
	    }

	    /*
	     * Reset the EOL flags since we need to look at any buffered data
	     * to see if the new translation mode allows us to complete the
	     * line.

		statePtr->outputTranslation = TCL_PLATFORM_TRANSLATION;
	    } else {
		if (interp) {
		    Tcl_SetObjResult(interp, Tcl_NewStringObj(
			    "bad value for -translation: must be one of "
                            "auto, binary, cr, lf, crlf, or platform", -1));
		}
		Tcl_Free((void *)argv);
		return TCL_ERROR;
	    }
	}
	Tcl_Free((void *)argv);
	return TCL_OK;
    } else if (chanPtr->typePtr->setOptionProc != NULL) {
	return chanPtr->typePtr->setOptionProc(chanPtr->instanceData, interp,
		optionName, newValue);
    } else {
	return Tcl_BadChannelOption(interp, optionName, NULL);
    }

		break;
	    }
	    chan = Tcl_OpenCommandChannel(interp, cmdObjc, cmdArgv, flags);
	    if (binary && chan) {
		Tcl_SetChannelOption(interp, chan, "-translation", "binary");
	    }
	}
	Tcl_Free((void *)cmdArgv);
    }
    if (chan == NULL) {
	return TCL_ERROR;
    }
    Tcl_RegisterChannel(interp, chan);
    Tcl_SetObjResult(interp, Tcl_NewStringObj(Tcl_GetChannelName(chan), -1));
    return TCL_OK;

				 * callback is sent to the underlying channel
				 * or not. */
    int preserve)		/* Flag. If true the procedure will preserve
				 * the result state of all accessed
				 * interpreters. */
{
    Tcl_Obj *resObj;		/* See below, switch (transmit). */
    size_t resLen = 0;
    unsigned char *resBuf;
    Tcl_InterpState state = NULL;
    int res = TCL_OK;
    Tcl_Obj *command = TclListObjCopy(NULL, dataPtr->command);
    Tcl_Interp *eval = dataPtr->interp;

    Tcl_Preserve(eval);

    ClientData clientData,
    char *buf,
    int toRead,
    int *errorCodePtr)
{
    ReflectedChannel *rcPtr = clientData;
    Tcl_Obj *toReadObj;
    size_t bytec = 0;		/* Number of returned bytes */
    unsigned char *bytev;	/* Array of returned bytes */
    Tcl_Obj *resObj;		/* Result data for 'read' */

    /*
     * Are we in the correct thread?
     */

	    }
	    paramPtr->input.toRead = TCL_IO_FAILURE;
	} else {
	    /*
	     * Process a regular result.
	     */

	    size_t bytec = 0;		/* Number of returned bytes */
	    unsigned char *bytev;	/* Array of returned bytes */

	    bytev = TclGetByteArrayFromObj(resObj, &bytec);

	    if (paramPtr->input.toRead < bytec) {
		ForwardSetStaticError(paramPtr, msg_read_toomuch);
		paramPtr->input.toRead = TCL_IO_FAILURE;

	    paramPtr->transform.size = TCL_AUTO_LENGTH;
	} else {
	    /*
	     * Process a regular return. Contains the transformation result.
	     * Sent it back to the request originator.
	     */

	    size_t bytec = 0;	/* Number of returned bytes */
	    unsigned char *bytev;
				/* Array of returned bytes */

	    bytev = TclGetByteArrayFromObj(resObj, &bytec);

	    paramPtr->transform.size = bytec;

	    paramPtr->transform.size = TCL_AUTO_LENGTH;
	} else {
	    /*
	     * Process a regular return. Contains the transformation result.
	     * Sent it back to the request originator.
	     */

	    size_t bytec = 0;	/* Number of returned bytes */
	    unsigned char *bytev;
				/* Array of returned bytes */

	    bytev = TclGetByteArrayFromObj(resObj, &bytec);

	    paramPtr->transform.size = bytec;

	    paramPtr->transform.size = TCL_AUTO_LENGTH;
	} else {
	    /*
	     * Process a regular return. Contains the transformation result.
	     * Sent it back to the request originator.
	     */

	    size_t bytec = 0;	/* Number of returned bytes */
	    unsigned char *bytev; /* Array of returned bytes */

	    bytev = TclGetByteArrayFromObj(resObj, &bytec);

	    paramPtr->transform.size = bytec;

	    if (bytec > 0) {

	    paramPtr->transform.size = TCL_AUTO_LENGTH;
	} else {
	    /*
	     * Process a regular return. Contains the transformation result.
	     * Sent it back to the request originator.
	     */

	    size_t bytec = 0;	/* Number of returned bytes */
	    unsigned char *bytev;
				/* Array of returned bytes */

	    bytev = TclGetByteArrayFromObj(resObj, &bytec);

	    paramPtr->transform.size = bytec;

static int
TransformRead(
    ReflectedTransform *rtPtr,
    int *errorCodePtr,
    Tcl_Obj *bufObj)
{
    Tcl_Obj *resObj;
    size_t bytec = 0;		/* Number of returned bytes */
    unsigned char *bytev;	/* Array of returned bytes */

    /*
     * Are we in the correct thread?
     */

#if TCL_THREADS

    ReflectedTransform *rtPtr,
    int *errorCodePtr,
    unsigned char *buf,
    int toWrite)
{
    Tcl_Obj *bufObj;
    Tcl_Obj *resObj;
    size_t bytec = 0;		/* Number of returned bytes */
    unsigned char *bytev;	/* Array of returned bytes */
    int res;

    /*
     * Are we in the correct thread?
     */


static int
TransformDrain(
    ReflectedTransform *rtPtr,
    int *errorCodePtr)
{
    Tcl_Obj *resObj;
    size_t bytec = 0;		/* Number of returned bytes */
    unsigned char *bytev;	/* Array of returned bytes */

    /*
     * Are we in the correct thread?
     */

#if TCL_THREADS

static int
TransformFlush(
    ReflectedTransform *rtPtr,
    int *errorCodePtr,
    int op)
{
    Tcl_Obj *resObj;
    size_t bytec = 0;		/* Number of returned bytes */
    unsigned char *bytev;	/* Array of returned bytes */
    int res;

    /*
     * Are we in the correct thread?
     */

	    mode |= O_NOCTTY;
#else
	    if (interp != NULL) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"access mode \"%s\" not supported by this system",
			flag));
	    }
	    Tcl_Free((void *)modeArgv);
	    return -1;
#endif

	} else if ((c == 'N') && (strcmp(flag, "NONBLOCK") == 0)) {
#ifdef O_NONBLOCK
	    mode |= O_NONBLOCK;
#else
	    if (interp != NULL) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"access mode \"%s\" not supported by this system",
			flag));
	    }
	    Tcl_Free((void *)modeArgv);
	    return -1;
#endif

	} else if ((c == 'T') && (strcmp(flag, "TRUNC") == 0)) {
	    mode |= O_TRUNC;
	} else if ((c == 'B') && (strcmp(flag, "BINARY") == 0)) {
	    *binaryPtr = 1;
	} else {

	    if (interp != NULL) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"invalid access mode \"%s\": must be RDONLY, WRONLY, "
			"RDWR, APPEND, BINARY, CREAT, EXCL, NOCTTY, NONBLOCK,"
			" or TRUNC", flag));
	    }
	    Tcl_Free((void *)modeArgv);
	    return -1;
	}
    }

    Tcl_Free((void *)modeArgv);

    if (!gotRW) {
	if (interp != NULL) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "access mode must include either RDONLY, WRONLY, or RDWR",
		    -1));
	}


/*
 *---------------------------------------------------------------------------
 *
 * Tcl_FSGetNativePath --
 *
 *	This function is for use by the Win/Unix native filesystems, so that
 *	they can easily retrieve the native (char* or WCHAR*) representation
 *	of a path. Other filesystems will probably want to implement similar
 *	functions. They basically act as a safety net around
 *	Tcl_FSGetInternalRep. Normally your file-system functions will always
 *	be called with path objects already converted to the correct
 *	filesystem, but if for some reason they are called directly (i.e. by
 *	functions not in this file), then one cannot necessarily guarantee
 *	that the path object pointer is from the correct filesystem.

    tablePtr = Tcl_Alloc((objc + 1) * sizeof(char *));
    for (t = 0; t < objc; t++) {
	if (objv[t] == objPtr) {
	    /*
	     * An exact match is always chosen, so we can stop here.
	     */

	    Tcl_Free((void *)tablePtr);
	    *indexPtr = t;
	    return TCL_OK;
	}

	tablePtr[t] = TclGetString(objv[t]);
    }
    tablePtr[objc] = NULL;

    result = Tcl_GetIndexFromObjStruct(interp, objPtr, tablePtr,
	    sizeof(char *), msg, flags | INDEX_TEMP_TABLE, indexPtr);

    Tcl_Free((void *)tablePtr);

    return result;
}

/*
 *----------------------------------------------------------------------
 *

			    const char *trim, size_t numTrim);
MODULE_SCOPE size_t	TclTrimRight(const char *bytes, size_t numBytes,
			    const char *trim, size_t numTrim);
MODULE_SCOPE const char*TclGetCommandTypeName(Tcl_Command command);
MODULE_SCOPE void	TclRegisterCommandTypeName(
			    Tcl_ObjCmdProc *implementationProc,
			    const char *nameStr);
#if (TCL_UTF_MAX > 4) && (defined(__CYGWIN__) || defined(_WIN32))
MODULE_SCOPE int TclUtfToWChar(const char *src, WCHAR *chPtr);
MODULE_SCOPE char *	TclWCharToUtfDString(const WCHAR *uniStr,
			    int uniLength, Tcl_DString *dsPtr);
MODULE_SCOPE WCHAR * TclUtfToWCharDString(const char *src,
			    int length, Tcl_DString *dsPtr);
#else
#   define TclUtfToWChar TclUtfToUniChar
#   define TclWCharToUtfDString Tcl_UniCharToUtfDString
#   define TclUtfToWCharDString Tcl_UtfToUniCharDString
#endif
MODULE_SCOPE int	TclUtfCmp(const char *cs, const char *ct);
MODULE_SCOPE int	TclUtfCasecmp(const char *cs, const char *ct);
MODULE_SCOPE size_t	TclUtfCount(int ch);
MODULE_SCOPE Tcl_Obj *	TclpNativeToNormalized(void *clientData);
MODULE_SCOPE Tcl_Obj *	TclpFilesystemPathType(Tcl_Obj *pathPtr);
MODULE_SCOPE int	TclpDlopen(Tcl_Interp *interp, Tcl_Obj *pathPtr,
			    Tcl_LoadHandle *loadHandle,

   }
#else
#define TclGetStringFromObj(objPtr, lenPtr) \
    (((objPtr)->bytes \
	    ? NULL : Tcl_GetString((objPtr)), \
	    *(lenPtr) = (objPtr)->length, (objPtr)->bytes))
#define TclGetUnicodeFromObj(objPtr, lenPtr) \
    (Tcl_GetUnicodeFromObj((objPtr), NULL), \
	    *(lenPtr) = *((size_t *) (objPtr)->internalRep.twoPtrValue.ptr1), \
	    Tcl_GetUnicodeFromObj((objPtr), NULL))
#define TclGetByteArrayFromObj(objPtr, lenPtr) \
    (Tcl_GetByteArrayFromObj((objPtr), NULL) ? \
	(*(lenPtr) = *((size_t *) (objPtr)->internalRep.twoPtrValue.ptr1), \
	(unsigned char *)(((size_t *) (objPtr)->internalRep.twoPtrValue.ptr1) + 2)) : NULL)
#endif

/*
 *----------------------------------------------------------------
 * Macro used by the Tcl core to clean out an object's internal
 * representation. Does not actually reset the rep's bytes. The ANSI C
 * "prototype" for this macro is:

/*
 * Further on, in UNICODE mode we just use Tcl_NewUnicodeObj, otherwise
 * NewNativeObj is needed (which provides proper conversion from native
 * encoding to UTF-8).
 */

#if defined(UNICODE) && (TCL_UTF_MAX <= 4)
#   define NewNativeObj Tcl_NewUnicodeObj
#else /* !UNICODE || (TCL_UTF_MAX > 4) */
static inline Tcl_Obj *
NewNativeObj(
    TCHAR *string,
    size_t length)
{
    Tcl_DString ds;

#ifdef UNICODE
    if (length > 0) {
	length *= sizeof(WCHAR);
    }
    Tcl_WinTCharToUtf(string, length, &ds);
#else
    Tcl_ExternalToUtfDString(NULL, (char *) string, length, &ds);
#endif
    return TclDStringToObj(&ds);
}
#endif /* !UNICODE || (TCL_UTF_MAX > 4) */

/*
 * Declarations for various library functions and variables (don't want to
 * include tclPort.h here, because people might copy this file out of the Tcl
 * source directory to make their own modified versions).
 */

	}
	Tcl_AppendToObj(errorMsg, methodNames[i], -1);
    }
    if (i) {
	Tcl_AppendToObj(errorMsg, " or ", -1);
    }
    Tcl_AppendToObj(errorMsg, methodNames[i], -1);
    Tcl_Free((void *)methodNames);
    Tcl_SetObjResult(interp, errorMsg);
    Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD",
	    TclGetString(objv[skip]), NULL);
    return TCL_ERROR;
}

/*

    if (i > 0) {
	if (i > 1) {
	    qsort((void *) strings, i, sizeof(char *), CmpStr);
	}
	*stringsPtr = strings;
    } else {
	Tcl_Free((void *)strings);
	*stringsPtr = NULL;
    }
    return i;
}

/* Comparator for SortMethodNames */
static int

		&names);

	for (i=0 ; i<numNames ; i++) {
	    Tcl_ListObjAppendElement(NULL, resultObj,
		    Tcl_NewStringObj(names[i], -1));
	}
	if (numNames > 0) {
	    Tcl_Free((void *)names);
	}
    } else if (oPtr->methodsPtr) {
	FOREACH_HASH(namePtr, mPtr, oPtr->methodsPtr) {
	    if (mPtr->typePtr && (mPtr->flags & SCOPE_FLAGS) == flag) {
		Tcl_ListObjAppendElement(NULL, resultObj, namePtr);
	    }
	}

	int i, numNames = TclOOGetSortedClassMethodList(clsPtr, flag, &names);

	for (i=0 ; i<numNames ; i++) {
	    Tcl_ListObjAppendElement(NULL, resultObj,
		    Tcl_NewStringObj(names[i], -1));
	}
	if (numNames > 0) {
	    Tcl_Free((void *)names);
	}
    } else {
	FOREACH_HASH_DECLS;

	FOREACH_HASH(namePtr, mPtr, &clsPtr->classMethods) {
	    if (mPtr->typePtr && (mPtr->flags & SCOPE_FLAGS) == flag) {
		Tcl_ListObjAppendElement(NULL, resultObj, namePtr);

				 * in (sub-)range here. */
{
    TclRegexp *regexpPtr = (TclRegexp *) re;
    const char *string;

    if (index > regexpPtr->re.re_nsub) {
	*startPtr = *endPtr = NULL;
    } else if (regexpPtr->matches[index].rm_so == -1) {
	*startPtr = *endPtr = NULL;
    } else {
	if (regexpPtr->objPtr) {
	    string = TclGetString(regexpPtr->objPtr);
	} else {
	    string = regexpPtr->string;
	}

	if (lsb == -1-shift) {

	    /*
	     * Round to even
	     */

	    mp_div_2d(a, -shift, &b, NULL);
	    if (mp_get_bit(&b, 0)) {
		if (b.sign == MP_ZPOS) {
		    mp_add_d(&b, 1, &b);
		} else {
		    mp_sub_d(&b, 1, &b);
		}
	    }
	} else {

size_t
Tcl_GetCharLength(
    Tcl_Obj *objPtr)		/* The String object to get the num chars
				 * of. */
{
    String *stringPtr;
    size_t numChars = 0;

    /*
     * Quick, no-shimmer return for short string reps.
     */

    if ((objPtr->bytes) && (objPtr->length < 2)) {
	/* 0 bytes -> 0 chars; 1 byte -> 1 char */

    /*
     * Optimize the case where we're really dealing with a bytearray object
     * we don't need to convert to a string to perform the indexing operation.
     */

    if (TclIsPureByteArray(objPtr)) {
	size_t length = 0;
	unsigned char *bytes = TclGetByteArrayFromObj(objPtr, &length);
	if (index >= length) {
		return -1;
	}

	return bytes[index];
    }

Tcl_GetRange(
    Tcl_Obj *objPtr,		/* The Tcl object to find the range of. */
    size_t first,			/* First index of the range. */
    size_t last)			/* Last index of the range. */
{
    Tcl_Obj *newObjPtr;		/* The Tcl object to find the range of. */
    String *stringPtr;
    size_t length = 0;

    if (first == TCL_INDEX_NONE) {
	first = TCL_INDEX_START;
    }
    if (last + 2 <= first + 1) {
	return Tcl_NewObj();
    }

void
Tcl_AppendObjToObj(
    Tcl_Obj *objPtr,		/* Points to the object to append to. */
    Tcl_Obj *appendObjPtr)	/* Object to append. */
{
    String *stringPtr;
    size_t length = 0, numChars;
    size_t appendNumChars = TCL_AUTO_LENGTH;
    const char *bytes;

    /*
     * Special case: second object is standard-empty is fast case. We know
     * that appending nothing to anything leaves that starting anything...
     */

	 * Write!). For the sake of extensions that go off into that realm,
	 * though, here's a more complex approach that can handle all the
	 * cases.
	 *
	 * First, get the lengths.
	 */

	size_t lengthSrc = 0;

	(void) TclGetByteArrayFromObj(objPtr, &length);
	(void) TclGetByteArrayFromObj(appendObjPtr, &lengthSrc);

	/*
	 * Grow buffer enough for the append.
	 */

		    numChars = precision;
		    Tcl_IncrRefCount(segment);
		    allocSegment = 1;
		}
	    }
	    break;
	case 'c': {
	    char buf[TCL_UTF_MAX] = "";
	    int code, length;

	    if (TclGetIntFromObj(interp, segment, &code) != TCL_OK) {
		goto error;
	    }
	    length = Tcl_UniCharToUtf(code, buf);
	    if ((code >= 0xD800) && (length < 3)) {

    } while (--oc && (binary || allowUniChar));

    if (binary) {
	/*
	 * Result will be pure byte array. Pre-size it
	 */

	size_t numBytes = 0;
	ov = objv;
	oc = objc;
	do {
	    Tcl_Obj *objPtr = *ov++;

	    /*
	     * Every argument is either a bytearray with a ("pure")

	/*
	 * Broken interface! Byte array value routines offer no way to handle
	 * failure to allocate enough space. Following stanza may panic.
	 */

	if (inPlace && !Tcl_IsShared(*objv)) {
	    size_t start = 0;

	    objResultPtr = *objv++; objc--;
	    (void)TclGetByteArrayFromObj(objResultPtr, &start);
	    dst = Tcl_SetByteArrayLength(objResultPtr, length) + start;
	} else {
	    objResultPtr = Tcl_NewByteArrayObj(NULL, length);
	    dst = Tcl_SetByteArrayLength(objResultPtr, length);
	}
	while (objc--) {
	    Tcl_Obj *objPtr = *objv++;

	    /*
	     * Every argument is either a bytearray with a ("pure")
	     * value we know we can safely use, or it is an empty string.
	     * We don't need to copy bytes from the empty strings.
	     */

	    if (TclIsPureByteArray(objPtr)) {
		size_t more = 0;
		unsigned char *src = TclGetByteArrayFromObj(objPtr, &more);
		memcpy(dst, src, more);
		dst += more;
	    }
	}
    } else if (allowUniChar && requestUniChar) {
	/* Efficiently produce a pure Tcl_UniChar array result */

    Tcl_Obj *value2Ptr,
    int checkEq,		/* comparison is only for equality */
    int nocase,			/* comparison is not case sensitive */
    size_t reqlength)		/* requested length */
{
    char *s1, *s2;
    int empty, match;
    size_t length, s1len = 0, s2len = 0;
    memCmpFn_t memCmpFn;

    if ((reqlength == 0) || (value1Ptr == value2Ptr)) {
	/*
	 * Always match at 0 chars of if it is the same obj.
	 */
	match = 0;

size_t
TclStringFirst(
    Tcl_Obj *needle,
    Tcl_Obj *haystack,
    size_t start)
{
    size_t lh = 0, ln = Tcl_GetCharLength(needle);

    if (start == TCL_AUTO_LENGTH) {
	start = 0;
    }
    if (ln == 0) {
	/* We don't find empty substrings.  Bizarre!
	 * Whenever this routine is turned into a proper substring

size_t
TclStringLast(
    Tcl_Obj *needle,
    Tcl_Obj *haystack,
    size_t last)
{
    size_t lh = 0, ln = Tcl_GetCharLength(needle);

    if (ln == 0) {
	/*
	 * 	We don't find empty substrings.  Bizarre!
	 *
	 * 	TODO: When we one day make this a true substring
	 * 	finder, change this to "return last", after limitation.

    int flags)
{
    String *stringPtr;
    Tcl_UniChar ch = 0;
    int inPlace = flags & TCL_STRING_IN_PLACE;

    if (TclIsPureByteArray(objPtr)) {
	size_t numBytes = 0;
	unsigned char *from = TclGetByteArrayFromObj(objPtr, &numBytes);

	if (!inPlace || Tcl_IsShared(objPtr)) {
	    objPtr = Tcl_NewByteArrayObj(NULL, numBytes);
	}
	ReverseBytes(Tcl_GetByteArrayFromObj(objPtr, NULL), from, numBytes);
	return objPtr;

     * The caller very likely had to call Tcl_GetCharLength() or similar
     * to be able to process index values.  This means it is like that
     * objPtr is either a proper "bytearray" or a "string" or else it has
     * a known and short string rep.
     */

    if (TclIsPureByteArray(objPtr)) {
	size_t numBytes = 0;
	unsigned char *bytes = TclGetByteArrayFromObj(objPtr, &numBytes);

	if (insertPtr == NULL) {
	    /* Replace something with nothing. */

	    assert ( first <= numBytes ) ;
	    assert ( count <= numBytes ) ;

	/* Replace everything */
	if ((first == 0) && (count == numBytes)) {
	    return insertPtr;
	}

	if (TclIsPureByteArray(insertPtr)) {
	    size_t newBytes = 0;
	    unsigned char *iBytes
		    = TclGetByteArrayFromObj(insertPtr, &newBytes);

	    if (count == newBytes && inPlace && !Tcl_IsShared(objPtr)) {
		/*
		 * Removal count and replacement count are equal.
		 * Other conditions permit. Do in-place splice.

#undef Tcl_FindExecutable
#undef Tcl_SetExitProc
#undef Tcl_SetPanicProc
#undef TclpGetPid
#undef TclSockMinimumBuffers
#undef Tcl_SetIntObj
#undef TclStaticPackage
#undef Tcl_BackgroundError
#define TclStaticPackage Tcl_StaticPackage

#ifdef TCL_MEM_DEBUG
#   define Tcl_Alloc TclpAlloc
#   define Tcl_Free TclpFree
#   define Tcl_Realloc TclpRealloc
#   undef Tcl_AttemptAlloc

char *
Tcl_WinUtfToTChar(
    const char *string,
    size_t len,
    Tcl_DString *dsPtr)
{







    Tcl_DStringInit(dsPtr);
    if (!string) {
	return NULL;
    }















































    return (char *)TclUtfToWCharDString(string, len, dsPtr);



}

char *
Tcl_WinTCharToUtf(
    const char *string,
    size_t len,
    Tcl_DString *dsPtr)
{






    Tcl_DStringInit(dsPtr);
    if (!string) {
	return NULL;
    }
    if (len == TCL_AUTO_LENGTH) {
	len = wcslen((wchar_t *)string);
    } else {
	len /= 2;
    }




























    return TclWCharToUtfDString((const WCHAR *)string, len, dsPtr);

}

#if defined(TCL_WIDE_INT_IS_LONG)
/* On Cygwin64, long is 64-bit while on Win64 long is 32-bit. Therefore
 * we have to make sure that all stub entries on Cygwin64 follow the Win64
 * signature. Tcl 9 must find a better solution, but that cannot be done
 * without introducing a binary incompatibility.

    TclBN_mp_sub_d, /* 43 */
    TclBN_mp_to_unsigned_bin, /* 44 */
    TclBN_mp_to_unsigned_bin_n, /* 45 */
    TclBN_mp_toradix_n, /* 46 */
    TclBN_mp_unsigned_bin_size, /* 47 */
    TclBN_mp_xor, /* 48 */
    TclBN_mp_zero, /* 49 */
    0, /* 50 */
    0, /* 51 */
    0, /* 52 */
    0, /* 53 */
    0, /* 54 */
    0, /* 55 */
    0, /* 56 */
    0, /* 57 */
    0, /* 58 */
    0, /* 59 */
    0, /* 60 */
    TclBN_mp_init_set_int, /* 61 */
    TclBN_mp_set_int, /* 62 */
    TclBN_mp_cnt_lsb, /* 63 */
    0, /* 64 */
    0, /* 65 */
    0, /* 66 */
    TclBN_mp_expt_d_ex, /* 67 */
    TclBN_mp_set_long_long, /* 68 */
    TclBN_mp_get_long_long, /* 69 */
    TclBN_mp_set_long, /* 70 */
    TclBN_mp_get_long, /* 71 */
    TclBN_mp_get_int, /* 72 */
    TclBN_mp_tc_and, /* 73 */
    TclBN_mp_tc_or, /* 74 */
    TclBN_mp_tc_xor, /* 75 */
    TclBN_mp_tc_div_2d, /* 76 */
    TclBN_mp_get_bit, /* 77 */
};

static const TclStubHooks tclStubHooks = {
    &tclPlatStubs,
    &tclIntStubs,
    &tclIntPlatStubs
};

	    return TCL_ERROR;
	}
	if (Tcl_GetBignumFromObj(interp, varPtr[varIndex],
		&bignumValue) != TCL_OK) {
	    return TCL_ERROR;
	}
	if (!Tcl_IsShared(varPtr[varIndex])) {
	    Tcl_SetIntObj(varPtr[varIndex], !mp_get_bit(&bignumValue, 0));
	} else {
	    SetVarToObj(varPtr, varIndex, Tcl_NewIntObj(!mp_get_bit(&bignumValue, 0)));
	}
	mp_clear(&bignumValue);
	break;

    case BIGNUM_RADIXSIZE:
	if (objc != 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "varIndex");

	argv[i-4] = Tcl_GetString(objv[i]);
    }
    argv[objc-4] = NULL;

    result = Tcl_GetIndexFromObj((setError? interp : NULL), objv[3],
	    argv, "token", INDEX_TEMP_TABLE|(allowAbbrev? 0 : TCL_EXACT),
	    &index);
    Tcl_Free((void *)argv);
    if (result == TCL_OK) {
	Tcl_SetIntObj(Tcl_GetObjResult(interp), index);
    }
    return result;
}

/*

{
    unsigned int i;

    listLockPtr = TclpNewAllocMutex();
    objLockPtr = TclpNewAllocMutex();
    for (i = 0; i < NBUCKETS; ++i) {
	bucketInfo[i].blockSize = MINALLOC << i;
	bucketInfo[i].maxBlocks = ((size_t)1) << (NBUCKETS - 1 - i);
	bucketInfo[i].numMove = i < NBUCKETS - 1 ?
		1 << (NBUCKETS - 2 - i) : 1;
	bucketInfo[i].lockPtr = TclpNewAllocMutex();
    }
    TclpInitAllocCache();
}


}
declare 48 {
    int TclBN_mp_xor(const mp_int *a, const mp_int *b, mp_int *c)
}
declare 49 {
    void TclBN_mp_zero(mp_int *a)
}





































declare 61 {
    int TclBN_mp_init_set_int(mp_int *a, unsigned long i)
}
declare 62 {
    int TclBN_mp_set_int(mp_int *a, unsigned long i)
}
declare 63 {

}
declare 75 {
    int TclBN_mp_tc_xor(const mp_int *a, const mp_int *b, mp_int *c)
}
declare 76 {
    int TclBN_mp_tc_div_2d(const mp_int *a, int b, mp_int *c)
}
declare 77 {
    int TclBN_mp_get_bit(const mp_int *a, int b)
}


# Local Variables:
# mode: tcl
# End:

#define mp_div_2 TclBN_mp_div_2
#define mp_div_2d TclBN_mp_div_2d
#define mp_div_3 TclBN_mp_div_3
#define mp_div_d TclBN_mp_div_d
#define mp_exch TclBN_mp_exch
#define mp_expt_d TclBN_mp_expt_d
#define mp_expt_d_ex TclBN_mp_expt_d_ex
#define mp_get_bit TclBN_mp_get_bit
#define mp_get_int TclBN_mp_get_int
#define mp_get_long TclBN_mp_get_long
#define mp_get_long_long TclBN_mp_get_long_long
#define mp_grow TclBN_mp_grow
#define mp_init TclBN_mp_init
#define mp_init_copy TclBN_mp_init_copy
#define mp_init_multi TclBN_mp_init_multi

#define mp_unsigned_bin_size TclBN_mp_unsigned_bin_size
#define mp_xor TclBN_mp_xor
#define mp_zero TclBN_mp_zero
#define s_mp_add TclBN_s_mp_add
#define s_mp_mul_digs TclBN_s_mp_mul_digs
#define s_mp_sqr TclBN_s_mp_sqr
#define s_mp_sub TclBN_s_mp_sub

MODULE_SCOPE void TclBN_reverse(unsigned char *s, int len);
MODULE_SCOPE int TclBN_fast_s_mp_mul_digs(const mp_int *a,
				const mp_int *b, mp_int *c, int digs);
MODULE_SCOPE int TclBN_fast_s_mp_sqr(const mp_int *a, mp_int *b);
MODULE_SCOPE int TclBN_mp_karatsuba_mul(const mp_int *a,
				const mp_int *b, mp_int *c);
MODULE_SCOPE int TclBN_mp_karatsuba_sqr(const mp_int *a, mp_int *b);
MODULE_SCOPE int TclBN_mp_toom_mul(const mp_int *a, const mp_int *b,
				mp_int *c);
MODULE_SCOPE int TclBN_mp_toom_sqr(const mp_int *a, mp_int *b);
MODULE_SCOPE int TclBN_s_mp_add(const mp_int *a, const mp_int *b,
				mp_int *c);
MODULE_SCOPE int TclBN_s_mp_mul_digs(const mp_int *a, const mp_int *b,
				mp_int *c, int digs);
MODULE_SCOPE int TclBN_s_mp_sqr(const mp_int *a, mp_int *b);
MODULE_SCOPE int TclBN_s_mp_sub(const mp_int *a, const mp_int *b,
				mp_int *c);

#undef TCL_STORAGE_CLASS
#ifdef BUILD_tcl
#   define TCL_STORAGE_CLASS DLLEXPORT
#else
#   ifdef USE_TCL_STUBS
#      define TCL_STORAGE_CLASS

/* 47 */
EXTERN int		TclBN_mp_unsigned_bin_size(const mp_int *a);
/* 48 */
EXTERN int		TclBN_mp_xor(const mp_int *a, const mp_int *b,
				mp_int *c);
/* 49 */
EXTERN void		TclBN_mp_zero(mp_int *a);
/* Slot 50 is reserved */

/* Slot 51 is reserved */


/* Slot 52 is reserved */

/* Slot 53 is reserved */


/* Slot 54 is reserved */

/* Slot 55 is reserved */


/* Slot 56 is reserved */

/* Slot 57 is reserved */


/* Slot 58 is reserved */


/* Slot 59 is reserved */

/* Slot 60 is reserved */


/* 61 */
EXTERN int		TclBN_mp_init_set_int(mp_int *a, unsigned long i);
/* 62 */
EXTERN int		TclBN_mp_set_int(mp_int *a, unsigned long i);
/* 63 */
EXTERN int		TclBN_mp_cnt_lsb(const mp_int *a);
/* Slot 64 is reserved */

EXTERN int		TclBN_mp_tc_or(const mp_int *a, const mp_int *b,
				mp_int *c);
/* 75 */
EXTERN int		TclBN_mp_tc_xor(const mp_int *a, const mp_int *b,
				mp_int *c);
/* 76 */
EXTERN int		TclBN_mp_tc_div_2d(const mp_int *a, int b, mp_int *c);
/* 77 */
EXTERN int		TclBN_mp_get_bit(const mp_int *a, int b);

typedef struct TclTomMathStubs {
    int magic;
    void *hooks;

    int (*tclBN_epoch) (void); /* 0 */
    int (*tclBN_revision) (void); /* 1 */

    int (*tclBN_mp_sub_d) (const mp_int *a, mp_digit b, mp_int *c); /* 43 */
    int (*tclBN_mp_to_unsigned_bin) (const mp_int *a, unsigned char *b); /* 44 */
    int (*tclBN_mp_to_unsigned_bin_n) (const mp_int *a, unsigned char *b, unsigned long *outlen); /* 45 */
    int (*tclBN_mp_toradix_n) (const mp_int *a, char *str, int radix, int maxlen); /* 46 */
    int (*tclBN_mp_unsigned_bin_size) (const mp_int *a); /* 47 */
    int (*tclBN_mp_xor) (const mp_int *a, const mp_int *b, mp_int *c); /* 48 */
    void (*tclBN_mp_zero) (mp_int *a); /* 49 */
    void (*reserved50)(void);
    void (*reserved51)(void);
    void (*reserved52)(void);
    void (*reserved53)(void);
    void (*reserved54)(void);
    void (*reserved55)(void);
    void (*reserved56)(void);
    void (*reserved57)(void);
    void (*reserved58)(void);
    void (*reserved59)(void);
    void (*reserved60)(void);
    int (*tclBN_mp_init_set_int) (mp_int *a, unsigned long i); /* 61 */
    int (*tclBN_mp_set_int) (mp_int *a, unsigned long i); /* 62 */
    int (*tclBN_mp_cnt_lsb) (const mp_int *a); /* 63 */
    void (*reserved64)(void);
    void (*reserved65)(void);
    void (*reserved66)(void);
    int (*tclBN_mp_expt_d_ex) (const mp_int *a, mp_digit b, mp_int *c, int fast); /* 67 */
    int (*tclBN_mp_set_long_long) (mp_int *a, Tcl_WideUInt i); /* 68 */
    Tcl_WideUInt (*tclBN_mp_get_long_long) (const mp_int *a); /* 69 */
    int (*tclBN_mp_set_long) (mp_int *a, unsigned long i); /* 70 */
    unsigned long (*tclBN_mp_get_long) (const mp_int *a); /* 71 */
    unsigned long (*tclBN_mp_get_int) (const mp_int *a); /* 72 */
    int (*tclBN_mp_tc_and) (const mp_int *a, const mp_int *b, mp_int *c); /* 73 */
    int (*tclBN_mp_tc_or) (const mp_int *a, const mp_int *b, mp_int *c); /* 74 */
    int (*tclBN_mp_tc_xor) (const mp_int *a, const mp_int *b, mp_int *c); /* 75 */
    int (*tclBN_mp_tc_div_2d) (const mp_int *a, int b, mp_int *c); /* 76 */
    int (*tclBN_mp_get_bit) (const mp_int *a, int b); /* 77 */
} TclTomMathStubs;

extern const TclTomMathStubs *tclTomMathStubsPtr;

#ifdef __cplusplus
}
#endif

	(tclTomMathStubsPtr->tclBN_mp_toradix_n) /* 46 */
#define TclBN_mp_unsigned_bin_size \
	(tclTomMathStubsPtr->tclBN_mp_unsigned_bin_size) /* 47 */
#define TclBN_mp_xor \
	(tclTomMathStubsPtr->tclBN_mp_xor) /* 48 */
#define TclBN_mp_zero \
	(tclTomMathStubsPtr->tclBN_mp_zero) /* 49 */
/* Slot 50 is reserved */
/* Slot 51 is reserved */
/* Slot 52 is reserved */
/* Slot 53 is reserved */
/* Slot 54 is reserved */
/* Slot 55 is reserved */
/* Slot 56 is reserved */
/* Slot 57 is reserved */
/* Slot 58 is reserved */
/* Slot 59 is reserved */
/* Slot 60 is reserved */











#define TclBN_mp_init_set_int \
	(tclTomMathStubsPtr->tclBN_mp_init_set_int) /* 61 */
#define TclBN_mp_set_int \
	(tclTomMathStubsPtr->tclBN_mp_set_int) /* 62 */
#define TclBN_mp_cnt_lsb \
	(tclTomMathStubsPtr->tclBN_mp_cnt_lsb) /* 63 */
/* Slot 64 is reserved */

	(tclTomMathStubsPtr->tclBN_mp_tc_and) /* 73 */
#define TclBN_mp_tc_or \
	(tclTomMathStubsPtr->tclBN_mp_tc_or) /* 74 */
#define TclBN_mp_tc_xor \
	(tclTomMathStubsPtr->tclBN_mp_tc_xor) /* 75 */
#define TclBN_mp_tc_div_2d \
	(tclTomMathStubsPtr->tclBN_mp_tc_div_2d) /* 76 */
#define TclBN_mp_get_bit \
	(tclTomMathStubsPtr->tclBN_mp_get_bit) /* 77 */

#endif /* defined(USE_TCL_STUBS) */

/* !END!: Do not edit above this line. */

#undef TCL_STORAGE_CLASS
#define TCL_STORAGE_CLASS DLLIMPORT

#endif /* _TCLINTDECLS */

	p += Tcl_UniCharToUtf(-1, p);
    }
    Tcl_DStringSetLength(dsPtr, oldLength + (p - string));

    return string;
}

#if (TCL_UTF_MAX > 4) && (defined(__CYGWIN__) || defined(_WIN32))
char *
TclWCharToUtfDString(
    const WCHAR *uniStr,	/* WCHAR string to convert to UTF-8. */
    int uniLength,		/* Length of WCHAR string in Tcl_UniChars
				 * (must be >= 0). */
    Tcl_DString *dsPtr)		/* UTF-8 representation of string is appended
				 * to this previously initialized DString. */
{
    const WCHAR *w, *wEnd;
    char *p, *string;
    int oldLength, len = 1;

    /*
     * UTF-8 string length in bytes will be <= Unicode string length * 4.
     */

    oldLength = Tcl_DStringLength(dsPtr);
    Tcl_DStringSetLength(dsPtr, oldLength + (uniLength + 1) * 4);
    string = Tcl_DStringValue(dsPtr) + oldLength;

    p = string;
    wEnd = uniStr + uniLength;
    for (w = uniStr; w < wEnd; ) {
	if (!len && ((*w & 0xFC00) != 0xDC00)) {
	    /* Special case for handling high surrogates. */
	    p += Tcl_UniCharToUtf(-1, p);
	}
	len = Tcl_UniCharToUtf(*w, p);
	p += len;
	if ((*w >= 0xD800) && (len < 3)) {
	    len = 0; /* Indication that high surrogate was found */
	}
	w++;
    }
    if (!len) {
	/* Special case for handling high surrogates. */
	p += Tcl_UniCharToUtf(-1, p);
    }
    Tcl_DStringSetLength(dsPtr, oldLength + (p - string));

    return string;
}
#endif
/*
 *---------------------------------------------------------------------------
 *
 * Tcl_UtfToUniChar --
 *
 *	Extract the Tcl_UniChar represented by the UTF-8 string. Bad UTF-8
 *	sequences are converted to valid Tcl_UniChars and processing

	 * represents itself.
	 */
    }

    *chPtr = byte;
    return 1;
}

#if (TCL_UTF_MAX > 4) && (defined(__CYGWIN__) || defined(_WIN32))
int
TclUtfToWChar(
    const char *src,	/* The UTF-8 string. */
    WCHAR *chPtr)/* Filled with the WCHAR represented by
				 * the UTF-8 string. */
{
    WCHAR byte;

    /*
     * Unroll 1 to 4 byte UTF-8 sequences.
     */

    byte = *((unsigned char *) src);
    if (byte < 0xC0) {
	/*
	 * Handles properly formed UTF-8 characters between 0x01 and 0x7F.
	 * Treats naked trail bytes 0x80 to 0x9F as valid characters from
	 * the cp1252 table. See: <https://en.wikipedia.org/wiki/UTF-8>
	 * Also treats \0 and other naked trail bytes 0xA0 to 0xBF as valid
	 * characters representing themselves.
	 */

	/* If *chPtr contains a high surrogate (produced by a previous
	 * Tcl_UtfToUniChar() call) and the next 3 bytes are UTF-8 continuation
	 * bytes, then we must produce a follow-up low surrogate. We only
	 * do that if the high surrogate matches the bits we encounter.
	 */
	if ((byte >= 0x80)
		&& (((((byte - 0x10) << 2) & 0xFC) | 0xD800) == (*chPtr & 0xFCFC))
		&& ((src[1] & 0xF0) == (((*chPtr << 4) & 0x30) | 0x80))
		&& ((src[2] & 0xC0) == 0x80)) {
	    *chPtr = ((src[1] & 0x0F) << 6) + (src[2] & 0x3F) + 0xDC00;
	    return 3;
	}
	if ((unsigned)(byte-0x80) < (unsigned)0x20) {
	    *chPtr = cp1252[byte-0x80];
	} else {
	    *chPtr = byte;
	}
	return 1;
    } else if (byte < 0xE0) {
	if ((src[1] & 0xC0) == 0x80) {
	    /*
	     * Two-byte-character lead-byte followed by a trail-byte.
	     */

	    *chPtr = (((byte & 0x1F) << 6) | (src[1] & 0x3F));
	    if ((unsigned)(*chPtr - 1) >= (UNICODE_SELF - 1)) {
		return 2;
	    }
	}

	/*
	 * A two-byte-character lead-byte not followed by trail-byte
	 * represents itself.
	 */
    } else if (byte < 0xF0) {
	if (((src[1] & 0xC0) == 0x80) && ((src[2] & 0xC0) == 0x80)) {
	    /*
	     * Three-byte-character lead byte followed by two trail bytes.
	     */

	    *chPtr = (((byte & 0x0F) << 12)
		    | ((src[1] & 0x3F) << 6) | (src[2] & 0x3F));
	    if (*chPtr > 0x7FF) {
		return 3;
	    }
	}

	/*
	 * A three-byte-character lead-byte not followed by two trail-bytes
	 * represents itself.
	 */
    }
    else if (byte < 0xF8) {
	if (((src[1] & 0xC0) == 0x80) && ((src[2] & 0xC0) == 0x80) && ((src[3] & 0xC0) == 0x80)) {
	    /*
	     * Four-byte-character lead byte followed by three trail bytes.
	     */
	    WCHAR high = (((byte & 0x07) << 8) | ((src[1] & 0x3F) << 2)
		    | ((src[2] & 0x3F) >> 4)) - 0x40;
	    if (high >= 0x400) {
		/* out of range, < 0x10000 or > 0x10ffff */
	    } else {
		/* produce high surrogate, advance source pointer */
		*chPtr = 0xD800 + high;
		return 1;
	    }
	}

	/*
	 * A four-byte-character lead-byte not followed by three trail-bytes
	 * represents itself.
	 */
    }

    *chPtr = byte;
    return 1;
}
#endif

/*
 *---------------------------------------------------------------------------
 *
 * Tcl_UtfToUniCharDString --
 *
 *	Convert the UTF-8 string to Unicode.
 *

    }
    *w = '\0';
    Tcl_DStringSetLength(dsPtr,
	    oldLength + ((char *) w - (char *) wString));

    return wString;
}

#if (TCL_UTF_MAX > 4) && (defined(__CYGWIN__) || defined(_WIN32))
WCHAR *
TclUtfToWCharDString(
    const char *src,		/* UTF-8 string to convert to Unicode. */
    int length,			/* Length of UTF-8 string in bytes, or -1 for
				 * strlen(). */
    Tcl_DString *dsPtr)		/* Unicode representation of string is
				 * appended to this previously initialized
				 * DString. */
{
    WCHAR ch = 0, *w, *wString;
    const char *p, *end;
    int oldLength;

    if (length < 0) {
	length = strlen(src);
    }

    /*
     * Unicode string length in Tcl_UniChars will be <= UTF-8 string length in
     * bytes.
     */

    oldLength = Tcl_DStringLength(dsPtr);

    Tcl_DStringSetLength(dsPtr,
	    oldLength + (int) ((length + 1) * sizeof(WCHAR)));
    wString = (WCHAR *) (Tcl_DStringValue(dsPtr) + oldLength);

    w = wString;
    p = src;
    end = src + length - 4;
    while (p < end) {
	p += TclUtfToWChar(p, &ch);
	*w++ = ch;
    }
    end += 4;
    while (p < end) {
	if (Tcl_UtfCharComplete(p, end-p)) {
	    p += TclUtfToWChar(p, &ch);
	} else if (((UCHAR(*p)-0x80)) < 0x20) {
	    ch = cp1252[UCHAR(*p++)-0x80];
	} else {
	    ch = UCHAR(*p++);
	}
	*w++ = ch;
    }
    *w = '\0';
    Tcl_DStringSetLength(dsPtr,
	    oldLength + ((char *) w - (char *) wString));

    return wString;
}
#endif
/*
 *---------------------------------------------------------------------------
 *
 * Tcl_UtfCharComplete --
 *
 *	Determine if the UTF-8 string of the given length is long enough to be
 *	decoded by Tcl_UtfToUniChar(). This does not ensure that the UTF-8

	 * characters separated by "-").
	 */

	if (p == '[') {
	    Tcl_UniChar startChar, endChar;

	    uniPattern++;
	    ch1 = (nocase ? (Tcl_UniChar)Tcl_UniCharToLower(*uniStr) : *uniStr);
	    uniStr++;
	    while (1) {
		if ((*uniPattern == ']') || (*uniPattern == 0)) {
		    return 0;
		}
		startChar = (nocase ? (Tcl_UniChar)Tcl_UniCharToLower(*uniPattern)
			: *uniPattern);
		uniPattern++;
		if (*uniPattern == '-') {
		    uniPattern++;
		    if (*uniPattern == 0) {
			return 0;
		    }
		    endChar = (nocase ? (Tcl_UniChar)Tcl_UniCharToLower(*uniPattern)
			    : *uniPattern);
		    uniPattern++;
		    if (((startChar <= ch1) && (ch1 <= endChar))
			    || ((endChar <= ch1) && (ch1 <= startChar))) {
			/*
			 * Matches ranges of form [a-z] or [z-a].
			 */

	 * characters separated by "-").
	 */

	if (p == '[') {
	    Tcl_UniChar ch1, startChar, endChar;

	    pattern++;
	    ch1 = (nocase ? (Tcl_UniChar)Tcl_UniCharToLower(*string) : *string);
	    string++;
	    while (1) {
		if ((*pattern == ']') || (pattern == patternEnd)) {
		    return 0;
		}
		startChar = (nocase ? (Tcl_UniChar)Tcl_UniCharToLower(*pattern) : *pattern);
		pattern++;
		if (*pattern == '-') {
		    pattern++;
		    if (pattern == patternEnd) {
			return 0;
		    }
		    endChar = (nocase ? (Tcl_UniChar)Tcl_UniCharToLower(*pattern)
			    : *pattern);
		    pattern++;
		    if (((startChar <= ch1) && (ch1 <= endChar))
			    || ((endChar <= ch1) && (ch1 <= startChar))) {
			/*
			 * Matches ranges of form [a-z] or [z-a].
			 */

	const char *prevList = list;
	int literal;

	result = TclFindElement(interp, list, length, &element, &list,
		&elSize, &literal);
	length -= (list - prevList);
	if (result != TCL_OK) {
	    Tcl_Free((void *)argv);
	    return result;
	}
	if (*element == 0) {
	    break;
	}
	if (i >= size) {
	    Tcl_Free((void *)argv);
	    if (interp != NULL) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"internal error in Tcl_SplitList", -1));
		Tcl_SetErrorCode(interp, "TCL", "INTERNAL", "Tcl_SplitList",
			NULL);
	    }
	    return TCL_ERROR;

		 * character
		 */

		if ((p != '[') && (p != '?') && (p != '\\')) {
		    if (nocase) {
			while (*str) {
			    charLen = TclUtfToUniChar(str, &ch1);
			    if (ch2==ch1 || ch2==(Tcl_UniChar)Tcl_UniCharToLower(ch1)) {
				break;
			    }
			    str += charLen;
			}
		    } else {
			/*
			 * There's no point in trying to make this code

TclStringMatchObj(
    Tcl_Obj *strObj,		/* string object. */
    Tcl_Obj *ptnObj,		/* pattern object. */
    int flags)			/* Only TCL_MATCH_NOCASE should be passed, or
				 * 0. */
{
    int match;
    size_t length = 0, plen = 0;

    /*
     * Promote based on the type of incoming object.
     * XXX: Currently doesn't take advantage of exact-ness that
     * XXX: TclReToGlob tells us about
    trivial = nocase ? 0 : TclMatchIsTrivial(TclGetString(ptnObj));
     */

    void *clientData,	/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    const char *mountPoint;	/* Mount point path. */
    unsigned char *data;
    size_t length = 0;

    if (objc > 4) {
	Tcl_WrongNumArgs(interp, 1, objv, "?mountpoint? ?data?");
	return TCL_ERROR;
    }
    if (objc < 2) {
	int ret;

 *-------------------------------------------------------------------------
 */

int
TclZipfs_AppHook(
    int *argcPtr,		/* Pointer to argc */
#ifdef _WIN32
    WCHAR
#else /* !_WIN32 */
    char
#endif /* _WIN32 */
    ***argvPtr)			/* Pointer to argv */
{
    char *archive;

static int
SetInflateDictionary(
    z_streamp strm,
    Tcl_Obj *compDictObj)
{
    if (compDictObj != NULL) {
	size_t length = 0;
	unsigned char *bytes = TclGetByteArrayFromObj(compDictObj, &length);

	return inflateSetDictionary(strm, bytes, length);
    }
    return Z_OK;
}

static int
SetDeflateDictionary(
    z_streamp strm,
    Tcl_Obj *compDictObj)
{
    if (compDictObj != NULL) {
	size_t length = 0;
	unsigned char *bytes = TclGetByteArrayFromObj(compDictObj, &length);

	return deflateSetDictionary(strm, bytes, length);
    }
    return Z_OK;
}

    Tcl_Obj *data,		/* Data to compress/decompress */
    int flush)			/* TCL_ZLIB_NO_FLUSH, TCL_ZLIB_FLUSH,
				 * TCL_ZLIB_FULLFLUSH, or TCL_ZLIB_FINALIZE */
{
    ZlibStreamHandle *zshPtr = (ZlibStreamHandle *) zshandle;
    char *dataTmp = NULL;
    int e;
    size_t size = 0, outSize, toStore;

    if (zshPtr->streamEnd) {
	if (zshPtr->interp) {
	    Tcl_SetObjResult(zshPtr->interp, Tcl_NewStringObj(
		    "already past compressed stream end", -1));
	    Tcl_SetErrorCode(zshPtr->interp, "TCL", "ZIP", "CLOSED", NULL);
	}

    Tcl_ZlibStream zshandle,	/* As obtained from Tcl_ZlibStreamInit */
    Tcl_Obj *data,		/* A place to append the data. */
    size_t count)			/* Number of bytes to grab as a maximum, you
				 * may get less! */
{
    ZlibStreamHandle *zshPtr = (ZlibStreamHandle *) zshandle;
    int e, i, listLen;
    size_t itemLen = 0, dataPos = 0;
    Tcl_Obj *itemObj;
    unsigned char *dataPtr, *itemPtr;
    size_t existing = 0;

    /*
     * Getting beyond the of stream, just return empty string.
     */

    if (zshPtr->streamEnd) {
	return TCL_OK;

ZlibCmd(
    void *notUsed,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    int command, i, option, level = -1;
    size_t dlen = 0, start, buffersize = 0;
    Tcl_WideInt wideLen;
    Byte *data;
    Tcl_Obj *headerDictObj;
    const char *extraInfoStr = NULL;
    static const char *const commands[] = {
	"adler32", "compress", "crc32", "decompress", "deflate", "gunzip",
	"gzip", "inflate", "push", "stream",

    }

    /*
     * Set the compression dictionary if requested.
     */

    if (compDictObj != NULL) {
	size_t len = 0;

	(void) TclGetByteArrayFromObj(compDictObj, &len);
	if (len == 0) {
	    compDictObj = NULL;
	}
	Tcl_ZlibStreamSetCompressionDictionary(zstream, compDictObj);
    }

    }

    /*
     * Set the compression dictionary if requested.
     */

    if (compDictObj != NULL) {
	size_t len = 0;

	(void) TclGetByteArrayFromObj(compDictObj, &len);
	if (len == 0) {
	    compDictObj = NULL;
	}
	Tcl_ZlibStreamSetCompressionDictionary(zstream, compDictObj);
    }

proc runtests {} {
    variable x

# Some tests require the testencoding command
testConstraint testencoding [llength [info commands testencoding]]
testConstraint testbytestring [llength [info commands testbytestring]]
testConstraint teststringbytes [llength [info commands teststringbytes]]

testConstraint exec [llength [info commands exec]]
testConstraint testgetencpath [llength [info commands testgetencpath]]

# TclInitEncodingSubsystem is tested by the rest of this file
# TclFinalizeEncodingSubsystem is not currently tested

test encoding-1.1 {Tcl_GetEncoding: system encoding} -setup {

} 00
test encoding-15.3 {UtfToUtfProc null character input} teststringbytes {
    set y [encoding convertfrom utf-8 [encoding convertto utf-8 \u0000]]
    binary scan [teststringbytes $y] H* z
    set z
} c080

test encoding-16.1 {UnicodeToUtfProc} -body {
    set val [encoding convertfrom unicode NN]
    list $val [format %x [scan $val %c]]
} -result "\u4e4e 4e4e"
test encoding-16.2 {UnicodeToUtfProc} -body {
    set val [encoding convertfrom unicode "\xd8\xd8\xdc\xdc"]
    list $val [format %x [scan $val %c]]
} -result "\U460dc 460dc"

test encoding-17.1 {UtfToUnicodeProc} -body {
    encoding convertto unicode "\U460dc"
} -result "\xd8\xd8\xdc\xdc"

test encoding-18.1 {TableToUtfProc} {
} {}

test encoding-19.1 {TableFromUtfProc} {

TOMMATH_OBJS = bncore.o bn_reverse.o bn_fast_s_mp_mul_digs.o \
	bn_fast_s_mp_sqr.o bn_mp_add.o bn_mp_and.o \
	bn_mp_add_d.o bn_mp_clamp.o bn_mp_clear.o bn_mp_clear_multi.o \
	bn_mp_cmp.o bn_mp_cmp_d.o bn_mp_cmp_mag.o \
	bn_mp_cnt_lsb.o bn_mp_copy.o \
	bn_mp_count_bits.o bn_mp_div.o bn_mp_div_d.o bn_mp_div_2.o \
	bn_mp_div_2d.o bn_mp_div_3.o bn_mp_exch.o \
	bn_mp_expt_d.o bn_mp_expt_d_ex.o bn_mp_get_bit.o bn_mp_get_int.o \
	bn_mp_get_long.o bn_mp_get_long_long.o bn_mp_grow.o bn_mp_init.o \
	bn_mp_init_copy.o bn_mp_init_multi.o bn_mp_init_set.o \
	bn_mp_init_set_int.o bn_mp_init_size.o bn_mp_karatsuba_mul.o \
	bn_mp_karatsuba_sqr.o \
	bn_mp_lshd.o bn_mp_mod.o bn_mp_mod_2d.o bn_mp_mul.o bn_mp_mul_2.o \
	bn_mp_mul_2d.o bn_mp_mul_d.o bn_mp_neg.o bn_mp_or.o \
	bn_mp_radix_size.o bn_mp_radix_smap.o \

	$(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_exch.c

bn_mp_expt_d.o: $(TOMMATH_DIR)/bn_mp_expt_d.c $(MATHHDRS)
	$(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_expt_d.c

bn_mp_expt_d_ex.o: $(TOMMATH_DIR)/bn_mp_expt_d_ex.c $(MATHHDRS)
	$(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_expt_d_ex.c

bn_mp_get_bit.o: $(TOMMATH_DIR)/bn_mp_get_bit.c $(MATHHDRS)
	$(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_get_bit.c

bn_mp_get_int.o: $(TOMMATH_DIR)/bn_mp_get_int.c $(MATHHDRS)
	$(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_get_int.c

bn_mp_get_long.o: $(TOMMATH_DIR)/bn_mp_get_long.c $(MATHHDRS)
	$(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_get_long.c

    }

    /*
     * Option -xchar {\x11 \x13}
     */

    if ((len > 1) && (strncmp(optionName, "-xchar", len) == 0)) {


	if (Tcl_SplitList(interp, value, &argc, &argv) == TCL_ERROR) {
	    return TCL_ERROR;
	} else if (argc != 2) {
	badXchar:
	    if (interp) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"bad value for -xchar: should be a list of"
			" two elements with each a single 8-bit character", -1));
		Tcl_SetErrorCode(interp, "TCL", "VALUE", "XCHAR", NULL);

	    }
	    Tcl_Free(argv);
	    return TCL_ERROR;
	}

	tcgetattr(fsPtr->fd, &iostate);


	iostate.c_cc[VSTART] = argv[0][0];
	iostate.c_cc[VSTOP] = argv[1][0];
	if (argv[0][0] & 0x80 || argv[1][0] & 0x80) {
	    Tcl_UniChar character = 0;
	    int charLen;

	    charLen = Tcl_UtfToUniChar(argv[0], &character);
	    if ((character > 0xFF) || argv[0][charLen]) {
		goto badXchar;
	    }
	    iostate.c_cc[VSTART] = character;
	    charLen = Tcl_UtfToUniChar(argv[1], &character);
	    if ((character > 0xFF) || argv[1][charLen]) {
		goto badXchar;
	    }
	    iostate.c_cc[VSTOP] = character;

	}
	Tcl_Free(argv);

	tcsetattr(fsPtr->fd, TCSADRAIN, &iostate);
	return TCL_OK;
    }

    /*

	bn_mp_div_d.${OBJEXT} \
	bn_mp_div_2.${OBJEXT} \
	bn_mp_div_2d.${OBJEXT} \
	bn_mp_div_3.${OBJEXT} \
	bn_mp_exch.${OBJEXT} \
	bn_mp_expt_d.${OBJEXT} \
	bn_mp_expt_d_ex.${OBJEXT} \
	bn_mp_get_bit.${OBJEXT} \
	bn_mp_get_int.${OBJEXT} \
	bn_mp_get_long.${OBJEXT} \
	bn_mp_get_long_long.${OBJEXT} \
	bn_mp_grow.${OBJEXT} \
	bn_mp_init.${OBJEXT} \
	bn_mp_init_copy.${OBJEXT} \
	bn_mp_init_multi.${OBJEXT} \

	$(TMP_DIR)\bn_mp_div_d.obj \
	$(TMP_DIR)\bn_mp_div_2.obj \
	$(TMP_DIR)\bn_mp_div_2d.obj \
	$(TMP_DIR)\bn_mp_div_3.obj \
	$(TMP_DIR)\bn_mp_exch.obj \
	$(TMP_DIR)\bn_mp_expt_d.obj \
	$(TMP_DIR)\bn_mp_expt_d_ex.obj \
	$(TMP_DIR)\bn_mp_get_bit.obj \
	$(TMP_DIR)\bn_mp_get_int.obj \
	$(TMP_DIR)\bn_mp_get_long.obj \
	$(TMP_DIR)\bn_mp_get_long_long.obj \
	$(TMP_DIR)\bn_mp_grow.obj \
	$(TMP_DIR)\bn_mp_init.obj \
	$(TMP_DIR)\bn_mp_init_copy.obj \
	$(TMP_DIR)\bn_mp_init_multi.obj \

/*
 * The following structure and linked list is to allow us to map between
 * volume mount points and drive letters on the fly (no Win API exists for
 * this).
 */

typedef struct MountPointMap {
    WCHAR *volumeName;		/* Native wide string volume name. */
    WCHAR driveLetter;		/* Drive letter corresponding to the volume
				 * name. */
    struct MountPointMap *nextPtr;
				/* Pointer to next structure in list, or
				 * NULL. */
} MountPointMap;

/*

 *	mount point.
 *
 *--------------------------------------------------------------------
 */

char
TclWinDriveLetterForVolMountPoint(
    const WCHAR *mountPoint)
{
    MountPointMap *dlIter, *dlPtr2;
    WCHAR Target[55];		/* Target of mount at mount point */
    WCHAR drive[4] = TEXT("A:\\");

    /*
     * Detect the volume mounted there. Unfortunately, there is no simple way
     * to map a unique volume name to a DOS drive letter. So, we have to build
     * an associative array.
     */

    Tcl_MutexLock(&mountPointMap);
    dlIter = driveLetterLookup;
    while (dlIter != NULL) {
	if (wcscmp(dlIter->volumeName, mountPoint) == 0) {
	    /*
	     * We need to check whether this information is still valid, since
	     * either the user or various programs could have adjusted the
	     * mount points on the fly.
	     */

	    drive[0] = (WCHAR) dlIter->driveLetter;

	    /*
	     * Try to read the volume mount point and see where it points.
	     */

	    if (GetVolumeNameForVolumeMountPoint(drive,
		    Target, 55) != 0) {
		if (wcscmp(dlIter->volumeName, Target) == 0) {
		    /*
		     * Nothing has changed.
		     */

		    Tcl_MutexUnlock(&mountPointMap);
		    return (char) dlIter->driveLetter;
		}

	if (GetVolumeNameForVolumeMountPoint(drive,
		Target, 55) != 0) {
	    int alreadyStored = 0;

	    for (dlIter = driveLetterLookup; dlIter != NULL;
		    dlIter = dlIter->nextPtr) {
		if (wcscmp(dlIter->volumeName, Target) == 0) {
		    alreadyStored = 1;
		    break;
		}
	    }
	    if (!alreadyStored) {
		dlPtr2 = Tcl_Alloc(sizeof(MountPointMap));
		dlPtr2->volumeName = TclNativeDupInternalRep(Target);
		dlPtr2->driveLetter = (char) drive[0];
		dlPtr2->nextPtr = driveLetterLookup;
		driveLetterLookup = dlPtr2;
	    }
	}
    }

    /*
     * Try again.
     */

    for (dlIter = driveLetterLookup; dlIter != NULL;
	    dlIter = dlIter->nextPtr) {
	if (wcscmp(dlIter->volumeName, mountPoint) == 0) {
	    Tcl_MutexUnlock(&mountPointMap);
	    return (char) dlIter->driveLetter;
	}
    }

    /*
     * The volume doesn't appear to correspond to a drive letter - we remember

 *	This saves you the trouble of writing the
 *	following type of fragment over and over:
 *
 *		encoding <- Tcl_GetEncoding("unicode");
 *		nativeBuffer <- UtfToExternal(encoding, utfBuffer);
 *		Tcl_FreeEncoding(encoding);
 *
 *	By convention, in Windows a WCHAR is a Unicode character. If you plan
 *	on targeting a Unicode interface when running on Windows, these
 *	functions should be used. If you plan on targetting a "char" oriented
 *	function on Windows, use Tcl_UtfToExternal() with an encoding of NULL.
 *
 * Results:
 *	The result is a pointer to the string in the desired target encoding.
 *	Storage for the result string is allocated in dsPtr; the caller must
 *	call Tcl_DStringFree() when the result is no longer needed.
 *
 * Side effects:
 *	None.
 *
 *---------------------------------------------------------------------------
 */

WCHAR *
Tcl_WinUtfToTChar(
    const char *string,		/* Source string in UTF-8. */
    size_t len,			/* Source string length in bytes, or -1
				 * for strlen(). */
    Tcl_DString *dsPtr)		/* Uninitialized or free DString in which the
				 * converted string is stored. */
{







    Tcl_DStringInit(dsPtr);
    if (!string) {
	return NULL;
    }

















































    return TclUtfToWCharDString(string, len, dsPtr);

}

char *
Tcl_WinTCharToUtf(
    const WCHAR *string,	/* Source string in Unicode. */
    size_t len,			/* Source string length in bytes, or -1
				 * for platform-specific string length. */
    Tcl_DString *dsPtr)		/* Uninitialized or free DString in which the
				 * converted string is stored. */
{






    Tcl_DStringInit(dsPtr);
    if (!string) {
	return NULL;
    }
    if (len == TCL_AUTO_LENGTH) {
	len = wcslen((WCHAR *)string);
    } else {
	len /= 2;
    }




    return TclWCharToUtfDString((unsigned short *)string, len, dsPtr);

























}

/*
 *------------------------------------------------------------------------
 *
 * TclWinCPUID --
 *

static void		FileSetupProc(ClientData clientData, int flags);
static void		FileWatchProc(ClientData instanceData, int mask);
static void		FileThreadActionProc(ClientData instanceData,
			    int action);
static int		FileTruncateProc(ClientData instanceData,
			    Tcl_WideInt length);
static DWORD		FileGetType(HANDLE handle);
static int		NativeIsComPort(const WCHAR *nativeName);

/*
 * This structure describes the channel type structure for file based IO.
 */

static const Tcl_ChannelType fileChannelType = {
    "file",			/* Type name. */

    int mode,			/* POSIX mode. */
    int permissions)		/* If the open involves creating a file, with
				 * what modes to create it? */
{
    Tcl_Channel channel = 0;
    int channelPermissions = 0;
    DWORD accessMode = 0, createMode, shareMode, flags;
    const WCHAR *nativeName;
    HANDLE handle;
    char channelName[16 + TCL_INTEGER_SPACE];
    TclFile readFile = NULL, writeFile = NULL;

    nativeName = Tcl_FSGetNativePath(pathPtr);
    if (nativeName == NULL) {
	if (interp) {

 *	1 = serial port, 0 = not.
 *
 *----------------------------------------------------------------------
 */

static int
NativeIsComPort(
    const WCHAR *nativePath)	/* Path of file to access, native encoding. */
{
    const WCHAR *p = (const WCHAR *) nativePath;
    int i, len = wcslen(p);

    /*
     * 1. Look for com[1-9]:?
     */

	{GetWinFileShortName, CannotSetAttribute},
	{GetWinFileAttributes, SetWinFileAttributes}};

/*
 * Prototype for the TraverseWinTree callback function.
 */

typedef int (TraversalProc)(const WCHAR *srcPtr, const WCHAR *dstPtr,
	int type, Tcl_DString *errorPtr);

/*
 * Declarations for local functions defined in this file:
 */

static void		StatError(Tcl_Interp *interp, Tcl_Obj *fileName);
static int		ConvertFileNameFormat(Tcl_Interp *interp,
			    int objIndex, Tcl_Obj *fileName, int longShort,
			    Tcl_Obj **attributePtrPtr);
static int		DoCopyFile(const WCHAR *srcPtr, const WCHAR *dstPtr);
static int		DoCreateDirectory(const WCHAR *pathPtr);
static int		DoRemoveJustDirectory(const WCHAR *nativeSrc,
			    int ignoreError, Tcl_DString *errorPtr);
static int		DoRemoveDirectory(Tcl_DString *pathPtr, int recursive,
			    Tcl_DString *errorPtr);
static int		DoRenameFile(const WCHAR *nativeSrc,
			    const WCHAR *dstPtr);
static int		TraversalCopy(const WCHAR *srcPtr, const WCHAR *dstPtr,
			    int type, Tcl_DString *errorPtr);
static int		TraversalDelete(const WCHAR *srcPtr,
			    const WCHAR *dstPtr, int type,
			    Tcl_DString *errorPtr);
static int		TraverseWinTree(TraversalProc *traverseProc,
			    Tcl_DString *sourcePtr, Tcl_DString *dstPtr,
			    Tcl_DString *errorPtr);

/*
 *---------------------------------------------------------------------------

{
    return DoRenameFile(Tcl_FSGetNativePath(srcPathPtr),
	    Tcl_FSGetNativePath(destPathPtr));
}

static int
DoRenameFile(
    const WCHAR *nativeSrc,	/* Pathname of file or dir to be renamed
				 * (native). */
    const WCHAR *nativeDst)	/* New pathname for file or directory
				 * (native). */
{
#if defined(HAVE_NO_SEH) && !defined(_WIN64)
    TCLEXCEPTION_REGISTRATION registration;
#endif
    DWORD srcAttr, dstAttr;
    int retval = -1;

    if (errno == EBADF) {
	errno = EACCES;
	return TCL_ERROR;
    }
    if (errno == EACCES) {
    decode:
	if (srcAttr & FILE_ATTRIBUTE_DIRECTORY) {
	    WCHAR *nativeSrcRest, *nativeDstRest;
	    const char **srcArgv, **dstArgv;
	    int size, srcArgc, dstArgc;
	    WCHAR nativeSrcPath[MAX_PATH];
	    WCHAR nativeDstPath[MAX_PATH];
	    Tcl_DString srcString, dstString;
	    const char *src, *dst;

	    size = GetFullPathName(nativeSrc, MAX_PATH,
		    nativeSrcPath, &nativeSrcRest);
	    if ((size == 0) || (size > MAX_PATH)) {
		return TCL_ERROR;

		 * The MoveFile system call already handles the case of moving
		 * a file between filesystems.
		 */

		Tcl_SetErrno(EXDEV);
	    }

	    Tcl_Free((void *)srcArgv);
	    Tcl_Free((void *)dstArgv);
	}

	/*
	 * Other types of access failure is that dst is a read-only
	 * filesystem, that an open file referred to src or dest, or that src
	 * or dest specified the current working directory on the current
	 * filesystem. EACCES is returned for those cases.

		 *
		 * 1. Rename existing file to temp name.
		 * 2. Rename old file to new name.
		 * 3. If success, delete temp file. If failure, put temp file
		 *    back to old name.
		 */

		WCHAR *nativeRest, *nativeTmp, *nativePrefix;
		int result, size;
		WCHAR tempBuf[MAX_PATH];

		size = GetFullPathName(nativeDst, MAX_PATH,
			tempBuf, &nativeRest);
		if ((size == 0) || (size > MAX_PATH) || (nativeRest == NULL)) {
		    return TCL_ERROR;
		}
		nativeTmp = (WCHAR *) tempBuf;
		nativeRest[0] = L'\0';

		result = TCL_ERROR;
		nativePrefix = (WCHAR *) L"tclr";
		if (GetTempFileName(nativeTmp, nativePrefix,
			0, tempBuf) != 0) {
		    /*
		     * Strictly speaking, need the following DeleteFile and
		     * MoveFile to be joined as an atomic operation so no
		     * other app comes along in the meantime and creates the
		     * same temp file.

{
    return DoCopyFile(Tcl_FSGetNativePath(srcPathPtr),
	    Tcl_FSGetNativePath(destPathPtr));
}

static int
DoCopyFile(
    const WCHAR *nativeSrc,	/* Pathname of file to be copied (native). */
    const WCHAR *nativeDst)	/* Pathname of file to copy to (native). */
{
#if defined(HAVE_NO_SEH) && !defined(_WIN64)
    TCLEXCEPTION_REGISTRATION registration;
#endif
    int retval = -1;

    /*

}

int
TclpDeleteFile(
    const void *nativePath)	/* Pathname of file to be removed (native). */
{
    DWORD attr;
    const WCHAR *path = nativePath;

    /*
     * The DeleteFile API acts differently under Win95/98 and NT WRT NULL and
     * "". Avoid passing these values.
     */

    if (path == NULL || path[0] == '\0') {

    Tcl_Obj *pathPtr)
{
    return DoCreateDirectory(Tcl_FSGetNativePath(pathPtr));
}

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

	TclWinConvertError(error);
	return TCL_ERROR;
    }

    }

    return ret;
}

static int
DoRemoveJustDirectory(
    const WCHAR *nativePath,	/* Pathname of directory to be removed
				 * (native). */
    int ignoreError,		/* If non-zero, don't initialize the errorPtr
				 * under some circumstances on return. */
    Tcl_DString *errorPtr)	/* If non-NULL, uninitialized or free DString
				 * filled with UTF-8 name of file causing
				 * error. */
{

    int recursive,		/* If non-zero, removes directories that are
				 * nonempty. Otherwise, will only remove empty
				 * directories. */
    Tcl_DString *errorPtr)	/* If non-NULL, uninitialized or free DString
				 * filled with UTF-8 name of file causing
				 * error. */
{
    int res = DoRemoveJustDirectory((const WCHAR *)Tcl_DStringValue(pathPtr), recursive,
	    errorPtr);

    if ((res == TCL_ERROR) && (recursive != 0) && (Tcl_GetErrno() == EEXIST)) {
	/*
	 * The directory is nonempty, but the recursive flag has been
	 * specified, so we recursively remove all the files in the directory.
	 */

				 * parallel with source directory (native),
				 * may be NULL. */
    Tcl_DString *errorPtr)	/* If non-NULL, uninitialized or free DString
				 * filled with UTF-8 name of file causing
				 * error. */
{
    DWORD sourceAttr;
    WCHAR *nativeSource, *nativeTarget, *nativeErrfile;
    int result, found, sourceLen, targetLen = 0, oldSourceLen, oldTargetLen;
    HANDLE handle;
    WIN32_FIND_DATA data;

    nativeErrfile = NULL;
    result = TCL_OK;
    oldTargetLen = 0;		/* lint. */

    nativeSource = (WCHAR *) Tcl_DStringValue(sourcePtr);
    nativeTarget = (WCHAR *)
	    (targetPtr == NULL ? NULL : Tcl_DStringValue(targetPtr));

    oldSourceLen = Tcl_DStringLength(sourcePtr);
    sourceAttr = GetFileAttributes(nativeSource);
    if (sourceAttr == 0xffffffff) {
	nativeErrfile = nativeSource;
	goto end;

	/*
	 * Process the regular file
	 */

	return traverseProc(nativeSource, nativeTarget, DOTREE_F, errorPtr);
    }

    Tcl_DStringAppend(sourcePtr, (char *) L"\\*.*", 4 * sizeof(WCHAR) + 1);
    Tcl_DStringSetLength(sourcePtr, Tcl_DStringLength(sourcePtr) - 1);

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

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

    Tcl_DStringSetLength(sourcePtr, oldSourceLen + 1);
    Tcl_DStringSetLength(sourcePtr, oldSourceLen);
    result = traverseProc(nativeSource, nativeTarget, DOTREE_PRED,
	    errorPtr);
    if (result != TCL_OK) {
	FindClose(handle);
	return result;
    }

    sourceLen = oldSourceLen + sizeof(WCHAR);
    Tcl_DStringAppend(sourcePtr, (char *) L"\\", sizeof(WCHAR) + 1);
    Tcl_DStringSetLength(sourcePtr, sourceLen);
    if (targetPtr != NULL) {
	oldTargetLen = Tcl_DStringLength(targetPtr);

	targetLen = oldTargetLen;
	targetLen += sizeof(WCHAR);
	Tcl_DStringAppend(targetPtr, (char *) L"\\", sizeof(WCHAR) + 1);
	Tcl_DStringSetLength(targetPtr, targetLen);
    }

    found = 1;
    for (; found; found = FindNextFile(handle, &data)) {
	WCHAR *nativeName;
	int len;

	WCHAR *wp = data.cFileName;
	if (*wp == '.') {
	    wp++;
	    if (*wp == '.') {
		wp++;
	    }
	    if (*wp == '\0') {
		continue;
	    }
	}
	nativeName = (WCHAR *) data.cFileName;
	len = wcslen(data.cFileName) * sizeof(WCHAR);

	/*
	 * Append name after slash, and recurse on the file.
	 */

	Tcl_DStringAppend(sourcePtr, (char *) nativeName, len + 1);
	Tcl_DStringSetLength(sourcePtr, Tcl_DStringLength(sourcePtr) - 1);

    }
    if (result == TCL_OK) {
	/*
	 * Call traverseProc() on a directory after visiting all the
	 * files in that directory.
	 */

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

  end:
    if (nativeErrfile != NULL) {
	TclWinConvertError(GetLastError());
	if (errorPtr != NULL) {

 *	Depending on the value of type, src may be copied to dst.
 *
 *----------------------------------------------------------------------
 */

static int
TraversalCopy(
    const WCHAR *nativeSrc,	/* Source pathname to copy. */
    const WCHAR *nativeDst,	/* Destination pathname of copy. */
    int type,			/* Reason for call - see TraverseWinTree() */
    Tcl_DString *errorPtr)	/* If non-NULL, initialized DString filled
				 * with UTF-8 name of file causing error. */
{
    switch (type) {
    case DOTREE_F:
	if (DoCopyFile(nativeSrc, nativeDst) == TCL_OK) {

 *	set accordingly.
 *
 *----------------------------------------------------------------------
 */

static int
TraversalDelete(
    const WCHAR *nativeSrc,	/* Source pathname to delete. */
    const WCHAR *dstPtr,	/* Not used. */
    int type,			/* Reason for call - see TraverseWinTree() */
    Tcl_DString *errorPtr)	/* If non-NULL, initialized DString filled
				 * with UTF-8 name of file causing error. */
{
    switch (type) {
    case DOTREE_F:
	if (TclpDeleteFile(nativeSrc) == TCL_OK) {

GetWinFileAttributes(
    Tcl_Interp *interp,		/* The interp we are using for errors. */
    int objIndex,		/* The index of the attribute. */
    Tcl_Obj *fileName,		/* The name of the file. */
    Tcl_Obj **attributePtrPtr)	/* A pointer to return the object with. */
{
    DWORD result;
    const WCHAR *nativeName;
    int attr;

    nativeName = Tcl_FSGetNativePath(fileName);
    result = GetFileAttributes(nativeName);

    if (result == 0xffffffff) {
	StatError(interp, fileName);

	     */

	    pathv[0] = (char) Tcl_UniCharToUpper(UCHAR(pathv[0]));
	} else {
	    Tcl_Obj *tempPath;
	    Tcl_DString ds;
	    Tcl_DString dsTemp;
	    const WCHAR *nativeName;
	    const char *tempString;
	    WIN32_FIND_DATA data;
	    HANDLE handle;
	    DWORD attr;

	    tempPath = Tcl_FSJoinPath(splitPath, i+1);
	    Tcl_IncrRefCount(tempPath);

	    nativeName = data.cAlternateFileName;
	    if (longShort) {
		if (data.cFileName[0] != '\0') {
		    nativeName = data.cFileName;
		}
	    } else {
		if (data.cAlternateFileName[0] == '\0') {
		    nativeName = (WCHAR *) data.cFileName;
		}
	    }

	    /*
	     * Purify reports a extraneous UMR in Tcl_WinTCharToUtf() trying
	     * to dereference nativeName as a Unicode string. I have proven to
	     * myself that purify is wrong by running the following example

    Tcl_Interp *interp,		/* The interp we are using for errors. */
    int objIndex,		/* The index of the attribute. */
    Tcl_Obj *fileName,		/* The name of the file. */
    Tcl_Obj *attributePtr)	/* The new value of the attribute. */
{
    DWORD fileAttributes, old;
    int yesNo, result;
    const WCHAR *nativeName;

    nativeName = Tcl_FSGetNativePath(fileName);
    fileAttributes = old = GetFileAttributes(nativeName);

    if (fileAttributes == 0xffffffff) {
	StatError(interp, fileName);
	return TCL_ERROR;

static time_t		ToCTime(FILETIME fileTime);
static void		FromCTime(time_t posixTime, FILETIME *fileTime);

/*
 * Declarations for local functions defined in this file:
 */

static int		NativeAccess(const WCHAR *path, int mode);
static int		NativeDev(const WCHAR *path);
static int		NativeStat(const WCHAR *path, Tcl_StatBuf *statPtr,
			    int checkLinks);
static unsigned short	NativeStatMode(DWORD attr, int checkLinks,
			    int isExec);
static int		NativeIsExec(const WCHAR *path);
static int		NativeReadReparse(const WCHAR *LinkDirectory,
			    REPARSE_DATA_BUFFER *buffer, DWORD desiredAccess);
static int		NativeWriteReparse(const WCHAR *LinkDirectory,
			    REPARSE_DATA_BUFFER *buffer);
static int		NativeMatchType(int isDrive, DWORD attr,
			    const WCHAR *nativeName, Tcl_GlobTypeData *types);
static int		WinIsDrive(const char *name, size_t nameLen);
static int		WinIsReserved(const char *path);
static Tcl_Obj *	WinReadLink(const WCHAR *LinkSource);
static Tcl_Obj *	WinReadLinkDirectory(const WCHAR *LinkDirectory);
static int		WinLink(const WCHAR *LinkSource,
			    const WCHAR *LinkTarget, int linkAction);
static int		WinSymLinkDirectory(const WCHAR *LinkDirectory,
			    const WCHAR *LinkTarget);
MODULE_SCOPE void	tclWinDebugPanic(const char *format, ...);

/*
 *--------------------------------------------------------------------
 *
 * WinLink --
 *
 *	Make a link from source to target.
 *
 *--------------------------------------------------------------------
 */

static int
WinLink(
    const WCHAR *linkSourcePath,
    const WCHAR *linkTargetPath,
    int linkAction)
{
    WCHAR tempFileName[MAX_PATH];
    WCHAR *tempFilePart;
    DWORD attr;

    /*
     * Get the full path referenced by the target.
     */

    if (!GetFullPathName(linkTargetPath, MAX_PATH, tempFileName,

 *	What does 'LinkSource' point to?
 *
 *--------------------------------------------------------------------
 */

static Tcl_Obj *
WinReadLink(
    const WCHAR *linkSourcePath)
{
    WCHAR tempFileName[MAX_PATH];
    WCHAR *tempFilePart;
    DWORD attr;

    /*
     * Get the full path referenced by the target.
     */

    if (!GetFullPathName(linkSourcePath, MAX_PATH, tempFileName,

 *	Zero on success.
 *
 *--------------------------------------------------------------------
 */

static int
WinSymLinkDirectory(
    const WCHAR *linkDirPath,
    const WCHAR *linkTargetPath)
{
    DUMMY_REPARSE_BUFFER dummy;
    REPARSE_DATA_BUFFER *reparseBuffer = (REPARSE_DATA_BUFFER *) &dummy;
    int len;
    WCHAR nativeTarget[MAX_PATH];
    WCHAR *loop;

 *	Zero on success.
 *
 *--------------------------------------------------------------------
 */

int
TclWinSymLinkCopyDirectory(
    const WCHAR *linkOrigPath,	/* Existing junction - reparse point */
    const WCHAR *linkCopyPath)	/* Will become a duplicate junction */
{
    DUMMY_REPARSE_BUFFER dummy;
    REPARSE_DATA_BUFFER *reparseBuffer = (REPARSE_DATA_BUFFER *) &dummy;

    if (NativeReadReparse(linkOrigPath, reparseBuffer, GENERIC_READ)) {
	return -1;
    }

 *	Zero on success.
 *
 *--------------------------------------------------------------------
 */

int
TclWinSymLinkDelete(
    const WCHAR *linkOrigPath,
    int linkOnly)
{
    /*
     * It is a symbolic link - remove it.
     */

    DUMMY_REPARSE_BUFFER dummy;

#if defined (__clang__) || ((__GNUC__)  && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5))))
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Warray-bounds"
#endif

static Tcl_Obj *
WinReadLinkDirectory(
    const WCHAR *linkDirPath)
{
    int attr, len, offset;
    DUMMY_REPARSE_BUFFER dummy;
    REPARSE_DATA_BUFFER *reparseBuffer = (REPARSE_DATA_BUFFER *) &dummy;
    Tcl_Obj *retVal;
    Tcl_DString ds;
    const char *copy;

		 * Strip off the prefix.
		 */

		offset = 4;
	    }
	}

	Tcl_WinTCharToUtf(
		reparseBuffer->MountPointReparseBuffer.PathBuffer,
		reparseBuffer->MountPointReparseBuffer
		.SubstituteNameLength, &ds);

	copy = Tcl_DStringValue(&ds)+offset;
	len = Tcl_DStringLength(&ds)-offset;
	retVal = Tcl_NewStringObj(copy,len);
	Tcl_IncrRefCount(retVal);
	Tcl_DStringFree(&ds);

 *	Zero on success.
 *
 *--------------------------------------------------------------------
 */

static int
NativeReadReparse(
    const WCHAR *linkDirPath,	/* The junction to read */
    REPARSE_DATA_BUFFER *buffer,/* Pointer to buffer. Cannot be NULL */
    DWORD desiredAccess)
{
    HANDLE hFile;
    DWORD returnedLength;

    hFile = CreateFile(linkDirPath, desiredAccess, FILE_SHARE_READ, NULL, OPEN_EXISTING,

 *	Assumption that LinkDirectory does not exist.
 *
 *--------------------------------------------------------------------
 */

static int
NativeWriteReparse(
    const WCHAR *linkDirPath,
    REPARSE_DATA_BUFFER *buffer)
{
    HANDLE hFile;
    DWORD returnedLength;

    /*
     * Create the directory - it must not already exist.

    Tcl_Obj *resultPtr,		/* List object to lappend results. */
    Tcl_Obj *pathPtr,		/* Contains path to directory to search. */
    const char *pattern,	/* Pattern to match against. */
    Tcl_GlobTypeData *types)	/* Object containing list of acceptable types.
				 * May be NULL. In particular the directory
				 * flag is very important. */
{
    const WCHAR *native;

    if (types != NULL && types->type == TCL_GLOB_TYPE_MOUNT) {
	/*
	 * The native filesystem never adds mounts.
	 */

	return TCL_OK;
    }

    if (pattern == NULL || (*pattern == '\0')) {
	Tcl_Obj *norm = Tcl_FSGetNormalizedPath(NULL, pathPtr);

	if (norm != NULL) {
	    /*
	     * Match a single file directly.
	     */

	    DWORD attr;
	    WIN32_FILE_ATTRIBUTE_DATA data;
	    size_t length = 0;
	    const char *str = TclGetStringFromObj(norm, &length);

	    native = Tcl_FSGetNativePath(pathPtr);

	    if (GetFileAttributesEx(native,
		    GetFileExInfoStandard, &data) != TRUE) {
		return TCL_OK;

 */

static int
NativeMatchType(
    int isDrive,		/* Is this a drive. */
    DWORD attr,			/* We already know the attributes for the
				 * file. */
    const WCHAR *nativeName,	/* Native path to check. */
    Tcl_GlobTypeData *types)	/* Type description to match against. */
{
    /*
     * 'attr' represents the attributes of the file, but we only want to
     * retrieve this info if it is absolutely necessary because it is an
     * expensive call. Unfortunately, to deal with hidden files properly, we
     * must always retrieve it.

		rc = 1;
		result = Tcl_DStringValue(bufferPtr);
	    }
	}
	Tcl_DStringFree(&ds);
    } else {
	Tcl_DStringInit(&ds);
	wName = TclUtfToWCharDString(domain + 1, -1, &ds);
	rc = NetGetDCName(NULL, wName, (LPBYTE *) &wDomain);
	Tcl_DStringFree(&ds);
	nameLen = domain - name;
    }
    if (rc == 0) {
	Tcl_DStringInit(&ds);
	wName = TclUtfToWCharDString(name, nameLen, &ds);
	while (NetUserGetInfo(wDomain, wName, 1, (LPBYTE *) &uiPtr) != 0) {
	    /*
	     * user does not exists - if domain was not specified,
	     * try again using current domain.
	     */
	    rc = 1;
	    if (domain != NULL) break;
	    /* get current domain */
	    rc = NetGetDCName(NULL, NULL, (LPBYTE *) &wDomain);
	    if (rc != 0) break;
	    domain = INT2PTR(-1); /* repeat once */
	}
	if (rc == 0) {
	    DWORD i, size = MAX_PATH;
	    wHomeDir = uiPtr->usri1_home_dir;
	    if ((wHomeDir != NULL) && (wHomeDir[0] != L'\0')) {
		size = lstrlenW(wHomeDir);
		TclWCharToUtfDString(wHomeDir, size, bufferPtr);
	    } else {
		/*
		 * User exists but has no home dir. Return
		 * "{GetProfilesDirectory}/<user>".
		 */
		GetProfilesDirectoryW(buf, &size);
		TclWCharToUtfDString(buf, size-1, bufferPtr);
		Tcl_DStringAppend(bufferPtr, "/", 1);
		Tcl_DStringAppend(bufferPtr, name, nameLen);
	    }
	    result = Tcl_DStringValue(bufferPtr);
	    /* be sure we return normalized path */
	    for (i = 0; i < size; ++i){
		if (result[i] == '\\') result[i] = '/';
	    }
	    NetApiBufferFree((void *) uiPtr);
	}
	Tcl_DStringFree(&ds);
    }

 *	See access documentation.
 *
 *---------------------------------------------------------------------------
 */

static int
NativeAccess(
    const WCHAR *nativePath,	/* Path of file to access, native encoding. */
    int mode)			/* Permission setting. */
{
    DWORD attr;

    attr = GetFileAttributes(nativePath);

    if (attr == INVALID_FILE_ATTRIBUTES) {

 *	1 = executable, 0 = not.
 *
 *----------------------------------------------------------------------
 */

static int
NativeIsExec(
    const WCHAR *path)
{
    int len = wcslen(path);

    if (len < 5) {
	return 0;
    }

    if (path[len-4] != '.') {
	return 0;
    }

    path += len-3;
    if ((wcsicmp(path, L"exe") == 0)
	    || (wcsicmp(path, L"com") == 0)
	    || (wcsicmp(path, L"cmd") == 0)
	    || (wcsicmp(path, L"cmd") == 0)
	    || (wcsicmp(path, L"bat") == 0)) {
	return 1;
    }
    return 0;
}

/*
 *----------------------------------------------------------------------

 */

int
TclpObjChdir(
    Tcl_Obj *pathPtr)	/* Path to new working directory. */
{
    int result;
    const WCHAR *nativePath;

    nativePath = Tcl_FSGetNativePath(pathPtr);

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

const char *
TclpGetCwd(
    Tcl_Interp *interp,		/* If non-NULL, used for error reporting. */
    Tcl_DString *bufferPtr)	/* Uninitialized or free DString filled with
				 * name of current directory. */
{
    WCHAR buffer[MAX_PATH];
    char *p;
    WCHAR *native;

    if (GetCurrentDirectory(MAX_PATH, buffer) == 0) {
	TclWinConvertError(GetLastError());
	if (interp != NULL) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(

     */

    native = (WCHAR *) buffer;
    if ((native[0] != '\0') && (native[1] == ':')
	    && (native[2] == '\\') && (native[3] == '\\')) {
	native += 2;
    }
    Tcl_WinTCharToUtf(native, -1, bufferPtr);

    /*
     * Convert to forward slashes for easier use in scripts.
     */

    for (p = Tcl_DStringValue(bufferPtr); *p != '\0'; p++) {
	if (*p == '\\') {

 *	See stat documentation.
 *
 *----------------------------------------------------------------------
 */

static int
NativeStat(
    const WCHAR *nativePath,	/* Path of file to stat */
    Tcl_StatBuf *statPtr,	/* Filled with results of stat call. */
    int checkLinks)		/* If non-zero, behave like 'lstat' */
{
    DWORD attr;
    int dev, nlink = 1;
    unsigned short mode;
    unsigned int inode = 0;

 *	Calculate just the 'st_dev' field of a 'stat' structure.
 *
 *----------------------------------------------------------------------
 */

static int
NativeDev(
    const WCHAR *nativePath)	/* Full path of file to stat */
{
    int dev;
    Tcl_DString ds;
    WCHAR nativeFullPath[MAX_PATH];
    WCHAR *nativePart;
    const char *fullPath;

    GetFullPathName(nativePath, MAX_PATH, nativeFullPath, &nativePart);
    fullPath = Tcl_WinTCharToUtf(nativeFullPath, -1, &ds);

    if ((fullPath[0] == '\\') && (fullPath[1] == '\\')) {
	const char *p;
	DWORD dw;
	const WCHAR *nativeVol;
	Tcl_DString volString;

	p = strchr(fullPath + 2, '\\');
	p = strchr(p + 1, '\\');
	if (p == NULL) {
	    /*
	     * Add terminating backslash to fullpath or GetVolumeInformation()

 *----------------------------------------------------------------------
 */

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

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

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

    return TclNativeDupInternalRep(buffer);
}


TclpObjLink(
    Tcl_Obj *pathPtr,
    Tcl_Obj *toPtr,
    int linkAction)
{
    if (toPtr != NULL) {
	int res;
	const WCHAR *LinkTarget;
	const WCHAR *LinkSource = Tcl_FSGetNativePath(pathPtr);
	Tcl_Obj *normalizedToPtr = Tcl_FSGetNormalizedPath(NULL, toPtr);

	if (normalizedToPtr == NULL) {
	    return NULL;
	}

	LinkTarget = Tcl_FSGetNativePath(normalizedToPtr);

	if (LinkSource == NULL || LinkTarget == NULL) {
	    return NULL;
	}
	res = WinLink(LinkSource, LinkTarget, linkAction);
	if (res == 0) {
	    return toPtr;
	} else {
	    return NULL;
	}
    } else {
	const WCHAR *LinkSource = Tcl_FSGetNativePath(pathPtr);

	if (LinkSource == NULL) {
	    return NULL;
	}
	return WinReadLink(LinkSource);
    }
}

Tcl_Obj *
TclpFilesystemPathType(
    Tcl_Obj *pathPtr)
{
#define VOL_BUF_SIZE 32
    int found;
    WCHAR volType[VOL_BUF_SIZE];
    char *firstSeparator;
    const char *path;
    Tcl_Obj *normPath = Tcl_FSGetNormalizedPath(NULL, pathPtr);

    if (normPath == NULL) {
	return NULL;
    }

	if ((cur=='/' || cur==0) && (path != currentPathEndPosition)) {
	    /*
	     * Reached directory separator, or end of string.
	     */

	    WIN32_FILE_ATTRIBUTE_DATA data;
	    const WCHAR *nativePath = Tcl_WinUtfToTChar(path,
		    currentPathEndPosition - path, &ds);

	    if (GetFileAttributesEx(nativePath,
		    GetFileExInfoStandard, &data) != TRUE) {
		/*
		 * File doesn't exist.
		 */

		     * path like that. However, to be nice we at least
		     * don't mangle the path - we just add the dots as a
		     * path segment and continue.
		     */

		    Tcl_DStringAppend(&dsNorm, ((const char *)nativePath)
			    + Tcl_DStringLength(&ds)
			    - (dotLen * sizeof(WCHAR)),
			    dotLen * sizeof(WCHAR));
		} else {
		    /*
		     * Normal path.
		     */

		    WIN32_FIND_DATAW fData;
		    HANDLE handle;

#ifdef TclNORM_LONG_PATH
	/*
	 * Convert the entire known path to long form.
	 */

	if (1) {
	    WCHAR wpath[MAX_PATH];
	    const WCHAR *nativePath =
		    Tcl_WinUtfToTChar(path, lastValidPathEnd - path, &ds);
	    DWORD wpathlen = GetLongPathNameProc(nativePath,
		    (WCHAR *) wpath, MAX_PATH);

	    /*
	     * We have to make the drive letter uppercase.
	     */

	    if (wpath[0] >= L'a') {
		wpath[0] -= (L'a' - L'A');

    if (lastValidPathEnd != NULL) {
	/*
	 * Concatenate the normalized string in dsNorm with the tail of the
	 * path which we didn't recognise. The string in dsNorm is in the
	 * native encoding, so we have to convert it to Utf.
	 */

	Tcl_WinTCharToUtf((const WCHAR *) Tcl_DStringValue(&dsNorm),
		Tcl_DStringLength(&dsNorm), &ds);
	nextCheckpoint = Tcl_DStringLength(&ds);
	if (*lastValidPathEnd != 0) {
	    /*
	     * Not the end of the string.
	     */

Tcl_Obj *
TclpNativeToNormalized(
    ClientData clientData)
{
    Tcl_DString ds;
    Tcl_Obj *objPtr;
    size_t len;
    char *copy, *p;

    Tcl_WinTCharToUtf((const WCHAR *) clientData, -1, &ds);
    copy = Tcl_DStringValue(&ds);
    len = Tcl_DStringLength(&ds);

    /*
     * Certain native path representations on Windows have this special prefix
     * to indicate that they are to be treated specially. For example
     * extremely long paths, or symlinks.

    char *copy;
    size_t len;

    if (clientData == NULL) {
	return NULL;
    }

    len = sizeof(WCHAR) * (wcslen((const WCHAR *) clientData) + 1);

    copy = Tcl_Alloc(len);
    memcpy(copy, clientData, len);
    return copy;
}

/*

int
TclpUtime(
    Tcl_Obj *pathPtr,		/* File to modify */
    struct utimbuf *tval)	/* New modification date structure */
{
    int res = 0;
    HANDLE fileHandle;
    const WCHAR *native;
    DWORD attr = 0;
    DWORD flags = FILE_ATTRIBUTE_NORMAL;
    FILETIME lastAccessTime, lastModTime;

    FromCTime(tval->actime, &lastAccessTime);
    FromCTime(tval->modtime, &lastModTime);

 *---------------------------------------------------------------------------
 */

int
TclWinFileOwned(
    Tcl_Obj *pathPtr)		/* File whose ownership is to be checked */
{
    const WCHAR *native;
    PSID ownerSid = NULL;
    PSECURITY_DESCRIPTOR secd = NULL;
    HANDLE token;
    LPBYTE buf = NULL;
    DWORD bufsz;
    int owned = 0;

    TclWinInit(GetModuleHandle(NULL));
#endif

    /*
     * Fill available functions depending on windows version
     */
    handle = GetModuleHandle(L"KERNEL32");
    tclWinProcs.cancelSynchronousIo =
	    (BOOL (WINAPI *)(HANDLE)) GetProcAddress(handle,
	    "CancelSynchronousIo");
}

/*
 *-------------------------------------------------------------------------

    size_t *lengthPtr,
    Tcl_Encoding *encodingPtr)
{
#define LIBRARY_SIZE	    64
    Tcl_Obj *pathPtr;
    char installLib[LIBRARY_SIZE];
    const char *bytes;
    size_t length;

    pathPtr = Tcl_NewObj();

    /*
     * Initialize the substring used when locating the script library. The
     * installLib variable computes the script library path relative to the
     * installed DLL.

     * Look for the library in its source checkout location.
     */

    Tcl_ListObjAppendElement(NULL, pathPtr,
	    TclGetProcessGlobalValue(&sourceLibraryDir));

    *encodingPtr = NULL;
    bytes = TclGetStringFromObj(pathPtr, &length);
    *lengthPtr = length++;
    *valuePtr = Tcl_Alloc(length);
    memcpy(*valuePtr, bytes, length);
    Tcl_DecrRefCount(pathPtr);
}

/*
 *---------------------------------------------------------------------------
 *
 * AppendEnvironment --

	    Tcl_DStringInit(&ds);
	    (void) Tcl_JoinPath(pathc, pathv, &ds);
	    objPtr = TclDStringToObj(&ds);
	} else {
	    objPtr = Tcl_NewStringObj(buf, -1);
	}
	Tcl_ListObjAppendElement(NULL, pathPtr, objPtr);
	Tcl_Free((void *)pathv);
    }
}

/*
 *---------------------------------------------------------------------------
 *
 * InitializeDefaultLibraryDir --

TclpGetUserName(
    Tcl_DString *bufferPtr)	/* Uninitialized or free DString filled with
				 * the name of user. */
{
    Tcl_DStringInit(bufferPtr);

    if (TclGetEnv("USERNAME", bufferPtr) == NULL) {
	WCHAR szUserName[UNLEN+1];
	DWORD cchUserNameLen = UNLEN;

	if (!GetUserName(szUserName, &cchUserNameLen)) {
	    return NULL;
	}
	cchUserNameLen--;
	cchUserNameLen *= sizeof(WCHAR);
	Tcl_WinTCharToUtf(szUserName, cchUserNameLen, bufferPtr);
    }
    return Tcl_DStringValue(bufferPtr);
}

/*
 *---------------------------------------------------------------------------

    static int osInfoInitialized = 0;
    Tcl_DString ds;

    Tcl_SetVar2Ex(interp, "tclDefaultLibrary", NULL,
	    TclGetProcessGlobalValue(&defaultLibraryDir), TCL_GLOBAL_ONLY);

    if (!osInfoInitialized) {
	HMODULE handle = GetModuleHandle(L"NTDLL");
	int(__stdcall *getversion)(void *) =
		(int(__stdcall *)(void *)) GetProcAddress(handle, "RtlGetVersion");
	osInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
	if (!getversion || getversion(&osInfo)) {
	    GetVersionExW(&osInfo);
	}
	osInfoInitialized = 1;

/*
 * Declarations of functions that are not accessible by way of the
 * stubs table.
 */

MODULE_SCOPE char	TclWinDriveLetterForVolMountPoint(
			    const WCHAR *mountPoint);
MODULE_SCOPE void	TclWinEncodingsCleanup();
MODULE_SCOPE void	TclWinInit(HINSTANCE hInst);
MODULE_SCOPE TclFile	TclWinMakeFile(HANDLE handle);
MODULE_SCOPE Tcl_Channel TclWinOpenConsoleChannel(HANDLE handle,
			    char *channelName, int permissions);
MODULE_SCOPE Tcl_Channel TclWinOpenFileChannel(HANDLE handle, char *channelName,
			    int permissions, int appendMode);
MODULE_SCOPE Tcl_Channel TclWinOpenSerialChannel(HANDLE handle,
			    char *channelName, int permissions);
MODULE_SCOPE HANDLE	TclWinSerialOpen(HANDLE handle, const WCHAR *name,
			    DWORD access);
MODULE_SCOPE int	TclWinSymLinkCopyDirectory(const TCHAR *LinkOriginal,
			    const TCHAR *LinkCopy);
MODULE_SCOPE int	TclWinSymLinkDelete(const TCHAR *LinkOriginal,
			    int linkOnly);
MODULE_SCOPE int        TclWinFileOwned(Tcl_Obj *);

			    int toRead, int *errorCode);
static int		PipeOutputProc(ClientData instanceData,
			    const char *buf, int toWrite, int *errorCode);
static DWORD WINAPI	PipeReaderThread(LPVOID arg);
static void		PipeSetupProc(ClientData clientData, int flags);
static void		PipeWatchProc(ClientData instanceData, int mask);
static DWORD WINAPI	PipeWriterThread(LPVOID arg);
static int		TempFileName(WCHAR name[MAX_PATH]);
static int		WaitForRead(PipeInfo *infoPtr, int blocking);
static void		PipeThreadActionProc(ClientData instanceData,
			    int action);

/*
 * This structure describes the channel type structure for command pipe based
 * I/O.

 *	None.
 *
 *----------------------------------------------------------------------
 */

static int
TempFileName(
    WCHAR name[MAX_PATH])	/* Buffer in which name for temporary file
				 * gets stored. */
{
    const WCHAR *prefix = L"TCL";
    if (GetTempPath(MAX_PATH, name) != 0) {
	if (GetTempFileName(name, prefix, 0, name) != 0) {
	    return 1;
	}
    }
    name[0] = '.';
    name[1] = '\0';

TclpOpenFile(
    const char *path,		/* The name of the file to open. */
    int mode)			/* In what mode to open the file? */
{
    HANDLE handle;
    DWORD accessMode, createMode, shareMode, flags;
    Tcl_DString ds;
    const WCHAR *nativePath;

    /*
     * Map the access bits to the NT access mode.
     */

    switch (mode & (O_RDONLY | O_WRONLY | O_RDWR)) {
    case O_RDONLY:

 *----------------------------------------------------------------------
 */

TclFile
TclpCreateTempFile(
    const char *contents)	/* String to write into temp file, or NULL. */
{
    WCHAR name[MAX_PATH];
    const char *native;
    Tcl_DString dstring;
    HANDLE handle;

    if (TempFileName(name) == 0) {
	return NULL;
    }

 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
TclpTempFileName(void)
{
    WCHAR fileName[MAX_PATH];

    if (TempFileName(fileName) == 0) {
	return NULL;
    }

    return TclpNativeToNormalized(fileName);
}

				 * from the child will be discarded. errorFile
				 * may be the same as outputFile. */
    Tcl_Pid *pidPtr)		/* If this function is successful, pidPtr is
				 * filled with the process id of the child
				 * process. */
{
    int result, applType, createFlags;
    Tcl_DString cmdLine;	/* Complete command line (WCHAR). */
    STARTUPINFO startInfo;
    PROCESS_INFORMATION procInfo;
    SECURITY_ATTRIBUTES secAtts;
    HANDLE hProcess, h, inputHandle, outputHandle, errorHandle;
    char execPath[MAX_PATH * 3];
    WinFile *filePtr;

	 * the child process would hang forever waiting for input from the
	 * unmapped console window used by the helper application.
	 *
	 * Fortunately, the helper application will detect a closed pipe as a
	 * sink.
	 */

	startInfo.hStdOutput = CreateFile(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_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 = CreateFile(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());

     * Additionally, when calling a 16-bit dos or windows application, all
     * path names must use the short, cryptic, path format (e.g., using
     * ab~1.def instead of "a b.default").
     */

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

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

    Tcl_Interp *interp,		/* Interp, for error message. */
    const char *originalName,	/* Name of the application to find. */
    char fullName[])		/* Filled with complete path to
				 * application. */
{
    int applType, i, nameLen, found;
    HANDLE hFile;
    WCHAR *rest;
    char *ext;
    char buf[2];
    DWORD attr, read;
    IMAGE_DOS_HEADER header;
    Tcl_DString nameBuf, ds;
    const WCHAR *nativeName;
    WCHAR nativeFullPath[MAX_PATH];
    static const char extensions[][5] = {"", ".com", ".exe", ".bat", ".cmd"};

    /*
     * Look for the program as an external program. First try the name as it
     * is, then try adding .com, .exe, .bat and .cmd, in that order, to the name,
     * looking for an executable.
     *

static void
BuildCommandLine(
    const char *executable,	/* Full path of executable (including
				 * extension). Replacement for argv[0]. */
    int argc,			/* Number of arguments. */
    const char **argv,		/* Argument strings in UTF. */
    Tcl_DString *linePtr)	/* Initialized Tcl_DString that receives the
				 * command line (WCHAR). */
{
    const char *arg, *start, *special, *bspos;
    int quote = 0, i;
    Tcl_DString ds;

    /* characters to enclose in quotes if unpaired quote flag set */
    static const char specMetaChars[] = "&|^<>!()%";

Tcl_Channel
TclpOpenTemporaryFile(
    Tcl_Obj *dirObj,
    Tcl_Obj *basenameObj,
    Tcl_Obj *extensionObj,
    Tcl_Obj *resultingNameObj)
{
    WCHAR name[MAX_PATH];
    char *namePtr;
    HANDLE handle;
    DWORD flags = FILE_ATTRIBUTE_TEMPORARY;
    size_t length;
    int counter, counter2;
    Tcl_DString buf;

    if (!resultingNameObj) {
	flags |= FILE_FLAG_DELETE_ON_CLOSE;
    }

    namePtr = (char *) name;
    length = GetTempPath(MAX_PATH, name);
    if (length == 0) {
	goto gotError;
    }
    namePtr += length * sizeof(WCHAR);
    if (basenameObj) {

	const char *string = TclGetStringFromObj(basenameObj, &length);

	Tcl_WinUtfToTChar(string, length, &buf);
	memcpy(namePtr, Tcl_DStringValue(&buf), Tcl_DStringLength(&buf));
	namePtr += Tcl_DStringLength(&buf);
	Tcl_DStringFree(&buf);
    } else {
	const WCHAR *baseStr = L"TCL";
	length = 3 * sizeof(WCHAR);

	memcpy(namePtr, baseStr, length);
	namePtr += length;
    }
    counter = TclpGetClicks() % 65533;
    counter2 = 1024;			/* Only try this many times! Prevents
					 * an infinite loop. */

#define INCL_WINSOCK_API_TYPEDEFS   1
#include <winsock2.h>
#include <ws2tcpip.h>
#ifdef HAVE_WSPIAPI_H
#   include <wspiapi.h>
#endif










/*
 *  Pull in the typedef of TCHAR for windows.
 */
#include <tchar.h>
#ifndef _TCHAR_DEFINED
    /* Borland seems to forget to set this. */
    typedef _TCHAR TCHAR;

 *
 *----------------------------------------------------------------------
 */

HANDLE
TclWinSerialOpen(
    HANDLE handle,
    const WCHAR *name,
    DWORD access)
{
    SerialInit();

    /*
     * If an open channel is specified, close it
     */

    const char *value)		/* New value for option. */
{
    SerialInfo *infoPtr;
    DCB dcb;
    BOOL result, flag;
    size_t len, vlen;
    Tcl_DString ds;
    const WCHAR *native;
    int argc;
    const char **argv;

    infoPtr = (SerialInfo *) instanceData;

    /*
     * Parse options. This would be far easier if we had Tcl_Objs to work with

	    return TCL_ERROR;
	}
	if (argc != 2) {
	badXchar:
	    if (interp != NULL) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"bad value for -xchar: should be a list of"
			" two elements with each a single 8-bit character", -1));
		Tcl_SetErrorCode(interp, "TCL", "VALUE", "XCHAR", NULL);
	    }
	    Tcl_Free((void *)argv);
	    return TCL_ERROR;
	}

	/*
	 * These dereferences are safe, even in the zero-length string cases,
	 * because that just makes the xon/xoff character into NUL. When the
	 * character looks like it is UTF-8 encoded, decode it before casting
	 * into the format required for the Win guts. Note that this does not
	 * convert character sets; it is expected that when people set the
	 * control characters to something large and custom, they'll know the
	 * hex/octal value rather than the printable form.
	 */

	dcb.XonChar = argv[0][0];
	dcb.XoffChar = argv[1][0];
	if (argv[0][0] & 0x80 || argv[1][0] & 0x80) {
	    Tcl_UniChar character = 0;
	    int charLen;

	    charLen = Tcl_UtfToUniChar(argv[0], &character);
	    if ((character > 0xFF) || argv[0][charLen]) {
		goto badXchar;
	    }
	    dcb.XonChar = (char) character;
	    charLen = Tcl_UtfToUniChar(argv[1], &character);
	    if ((character > 0xFF) || argv[1][charLen]) {
		goto badXchar;
	    }
	    dcb.XoffChar = (char) character;
	}
	Tcl_Free((void *)argv);

	if (!SetCommState(infoPtr->handle, &dcb)) {
	    goto setStateFailed;
	}
	return TCL_OK;
    }

	if ((argc % 2) == 1) {
	    if (interp != NULL) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"bad value \"%s\" for -ttycontrol: should be "
			"a list of signal,value pairs", value));
		Tcl_SetErrorCode(interp, "TCL", "VALUE", "TTYCONTROL", NULL);
	    }
	    Tcl_Free((void *)argv);
	    return TCL_ERROR;
	}

	for (i = 0; i < argc - 1; i += 2) {
	    if (Tcl_GetBoolean(interp, argv[i+1], &flag) == TCL_ERROR) {
		result = TCL_ERROR;
		break;

			    NULL);
		}
		result = TCL_ERROR;
		break;
	    }
	}

	Tcl_Free((void *)argv);
	return result;
    }

    /*
     * Option -sysbuffer {read_size write_size}
     * Option -sysbuffer read_size
     */

	if (argc == 1) {
	    inSize = atoi(argv[0]);
	    outSize = infoPtr->sysBufWrite;
	} else if (argc == 2) {
	    inSize  = atoi(argv[0]);
	    outSize = atoi(argv[1]);
	}
	Tcl_Free((void *)argv);

	if ((argc < 1) || (argc > 2) || (inSize <= 0) || (outSize <= 0)) {
	    if (interp != NULL) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"bad value \"%s\" for -sysbuffer: should be "
			"a list of one or two integers > 0", value));
		Tcl_SetErrorCode(interp, "TCL", "VALUE", "SYS_BUFFER", NULL);

     */

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

	if (!GetCommState(infoPtr->handle, &dcb)) {
	    if (interp != NULL) {
		TclWinConvertError(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);
	buf[Tcl_UniCharToUtf(UCHAR(dcb.XoffChar), buf)] = '\0';
	Tcl_DStringAppendElement(dsPtr, buf);
    }
    if (len == 0) {
	Tcl_DStringEndSublist(dsPtr);
    }

    /*

/*
 * The following variable is used to tell whether this module has been
 * initialized.  If 1, initialization of sockets was successful, if -1 then
 * socket initialization failed (WSAStartup failed).
 */

static int initialized = 0;
static const WCHAR className[] = L"TclSocket";
TCL_DECLARE_MUTEX(socketMutex)

/*
 * The following defines declare the messages used on socket windows.
 */

#define SOCKET_MESSAGE		WM_USER+1

void
InitializeHostName(
    char **valuePtr,
    size_t *lengthPtr,
    Tcl_Encoding *encodingPtr)
{
    WCHAR tbuf[MAX_COMPUTERNAME_LENGTH + 1];
    DWORD length = MAX_COMPUTERNAME_LENGTH + 1;
    Tcl_DString ds;

    if (GetComputerName(tbuf, &length) != 0) {
	/*
	 * Convert string from native to UTF then change to lowercase.
	 */