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

unsigned char *
TclGetBytesFromObj(
    Tcl_Interp *interp,		/* For error reporting */
    Tcl_Obj *objPtr,		/* Value to extract from */
    size_t *lengthPtr)		/* If non-NULL, filled with length of the
				 * array of bytes in the ByteArray object. */
{
    ByteArray *baPtr;
    const Tcl_ObjIntRep *irPtr = TclFetchIntRep(objPtr, &properByteArrayType);

    if (irPtr == NULL) {
	SetByteArrayFromAny(NULL, objPtr);

unsigned char *
Tcl_GetByteArrayFromObj(
    Tcl_Obj *objPtr,		/* The ByteArray object. */
    int *lengthPtr)		/* If non-NULL, filled with length of the
				 * array of bytes in the ByteArray object. */
{
    size_t numBytes = 0;

    unsigned char *bytes = TclGetBytesFromObj(NULL, objPtr, &numBytes);

    if (bytes == NULL) {


	ByteArray *baPtr;
	const Tcl_ObjIntRep *irPtr = TclFetchIntRep(objPtr, &tclByteArrayType);

	assert(irPtr != NULL);

	baPtr = GET_BYTEARRAY(irPtr);
	bytes = baPtr->bytes;
	numBytes = baPtr->used;
    } 

    /* Macro TclGetByteArrayFromObj passes NULL for lengthPtr as
     * a trick to get around changing size. */
    if (lengthPtr) {
	if (numBytes > INT_MAX) {
	    /* Caller asked for an int length, but true length is outside
	     * the int range. This case will be developed out of existence
	     * in Tcl 9. As interim measure, fail. */

	    *lengthPtr = 0;
	    return NULL;
	} else {
	    *lengthPtr = (int) numBytes;
	}
    }
    return bytes;
}

/*
 *----------------------------------------------------------------------
 *
 * Tcl_SetByteArrayLength --
 *

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

unsigned char *
Tcl_SetByteArrayLength(
    Tcl_Obj *objPtr,		/* The ByteArray object. */
    size_t length)		/* New length for internal byte array. */
{
    ByteArray *byteArrayPtr;
    Tcl_ObjIntRep *irPtr;

    if (Tcl_IsShared(objPtr)) {
	Tcl_Panic("%s called with shared object", "Tcl_SetByteArrayLength");
    }

    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *resultObj;
    unsigned char *data, *limit;
    int maxlen = 0;
    const char *wrapchar = "\n";
    size_t wrapcharlen = 1;
    int i, index, size, outindex = 0, purewrap = 1;
    size_t offset, count = 0;
    enum { OPT_MAXLEN, OPT_WRAPCHAR };
    static const char *const optStrings[] = { "-maxlen", "-wrapchar", NULL };

    if (objc < 2 || objc % 2 != 0) {
	Tcl_WrongNumArgs(interp, 1, objv,

    Tcl_Obj *const objv[])
{
    Tcl_Obj *resultObj = NULL;
    unsigned char *data, *datastart, *dataend, c = '\0';
    unsigned char *begin = NULL;
    unsigned char *cursor = NULL;
    int pure = 1, strict = 0;
    int i, index, cut = 0;
    size_t size, count = 0;
    Tcl_UniChar ch;
    enum { OPT_STRICT };
    static const char *const optStrings[] = { "-strict", NULL };

    if (objc < 2 || objc > 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "?options? data");
	return TCL_ERROR;

    if (objc == 4) {
	size_t end = Tcl_GetCharLength(objv[2]) - 1;

	if (TCL_OK != TclGetIntForIndexM(interp, objv[3], end, &start)) {
	    return TCL_ERROR;
	}
    }
    Tcl_SetObjResult(interp, TclStringFirst(objv[1], objv[2], start));

    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * StringLastCmd --

    if (objc == 4) {
	size_t end = Tcl_GetCharLength(objv[2]) - 1;

	if (TCL_OK != TclGetIntForIndexM(interp, objv[3], end, &last)) {
	    return TCL_ERROR;
	}
    }
    Tcl_SetObjResult(interp, TclStringLast(objv[1], objv[2], last));

    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * StringIndexCmd --

	}
    doneStringMap:
	TRACE_WITH_OBJ(("%.20s %.20s %.20s => ",
		O2S(value2Ptr), O2S(value3Ptr), O2S(valuePtr)), objResultPtr);
	NEXT_INST_V(1, 3, 1);

    case INST_STR_FIND:
	objResultPtr = TclStringFirst(OBJ_UNDER_TOS, OBJ_AT_TOS, 0);

	TRACE(("%.20s %.20s => %d\n",
		O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), O2S(objResultPtr)));

	NEXT_INST_F(1, 2, 1);

    case INST_STR_FIND_LAST:
	objResultPtr = TclStringLast(OBJ_UNDER_TOS, OBJ_AT_TOS, INT_MAX - 1);

	TRACE(("%.20s %.20s => %d\n",
		O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), O2S(objResultPtr)));

	NEXT_INST_F(1, 2, 1);

    case INST_STR_CLASS:
	opnd = TclGetInt1AtPtr(pc+1);
	valuePtr = OBJ_AT_TOS;
	TRACE(("%s \"%.30s\" => ", tclStringClassTable[opnd].name,
		O2S(valuePtr)));

			    Tcl_CmdDeleteProc *deleteProc);
MODULE_SCOPE int	TclNREvalFile(Tcl_Interp *interp, Tcl_Obj *pathPtr,
			    const char *encodingName);
MODULE_SCOPE void	TclFSUnloadTempFile(Tcl_LoadHandle loadHandle);
MODULE_SCOPE int *	TclGetAsyncReadyPtr(void);
MODULE_SCOPE Tcl_Obj *	TclGetBgErrorHandler(Tcl_Interp *interp);
MODULE_SCOPE unsigned char *	TclGetBytesFromObj(Tcl_Interp *interp,
				    Tcl_Obj *objPtr, size_t *lengthPtr);
MODULE_SCOPE int	TclGetChannelFromObj(Tcl_Interp *interp,
			    Tcl_Obj *objPtr, Tcl_Channel *chanPtr,
			    int *modePtr, int flags);
MODULE_SCOPE CmdFrame *	TclGetCmdFrameForProcedure(Proc *procPtr);
MODULE_SCOPE int	TclGetCompletionCodeFromObj(Tcl_Interp *interp,
			    Tcl_Obj *value, int *code);
MODULE_SCOPE Proc *	TclGetLambdaFromObj(Tcl_Interp *interp,

/*
 * Routines that provide the [string] ensemble functionality. Possible
 * candidates for public interface.
 */

MODULE_SCOPE Tcl_Obj *	TclStringCat(Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[], int flags);
MODULE_SCOPE Tcl_Obj *	TclStringFirst(Tcl_Obj *needle, Tcl_Obj *haystack,
			    size_t start);
MODULE_SCOPE Tcl_Obj *	TclStringLast(Tcl_Obj *needle, Tcl_Obj *haystack,
			    size_t last);
MODULE_SCOPE Tcl_Obj *	TclStringRepeat(Tcl_Interp *interp, Tcl_Obj *objPtr,
			    size_t count, int flags);
MODULE_SCOPE Tcl_Obj *	TclStringReplace(Tcl_Interp *interp, Tcl_Obj *objPtr,
			    size_t first, size_t count, Tcl_Obj *insertPtr,
			    int flags);
MODULE_SCOPE Tcl_Obj *	TclStringReverse(Tcl_Obj *objPtr, int flags);

 * MODULE_SCOPE void	TclNewStringObj(Tcl_Obj *objPtr, const char *s, size_t len);
 * MODULE_SCOPE void	TclNewLiteralStringObj(Tcl_Obj*objPtr, const char *sLiteral);
 *
 *----------------------------------------------------------------
 */

#ifndef TCL_MEM_DEBUG
#define TclNewIntObj(objPtr, w) \
    do {						\
	TclIncrObjsAllocated();				\
	TclAllocObjStorage(objPtr);			\
	(objPtr)->refCount = 0;				\
	(objPtr)->bytes = NULL;				\
	(objPtr)->internalRep.wideValue = (Tcl_WideInt)(w);	\
	(objPtr)->typePtr = &tclIntType;		\
	TCL_DTRACE_OBJ_CREATE(objPtr);			\
    } while (0)

#define TclNewDoubleObj(objPtr, d) \
    do {							\
	TclIncrObjsAllocated();					\

 * TclStringFirst --
 *
 *	Implements the [string first] operation.
 *
 * Results:
 *	If needle is found as a substring of haystack, the index of the
 *	first instance of such a find is returned.  If needle is not present
 *	as a substring of haystack, -1 is returned.
 *
 * Side effects:
 *	needle and haystack may have their Tcl_ObjType changed.
 *
 *---------------------------------------------------------------------------
 */

Tcl_Obj *
TclStringFirst(
    Tcl_Obj *needle,
    Tcl_Obj *haystack,
    size_t start)
{
    size_t lh = 0, ln = Tcl_GetCharLength(needle);
    Tcl_Obj *result;
    size_t value = TCL_IO_FAILURE;
	Tcl_UniChar *check, *end, *uh, *un;

    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
	 * finder, change to `return start` after limits imposed. */
	goto firstEnd;
    }

    if (TclIsPureByteArray(needle) && TclIsPureByteArray(haystack)) {
	unsigned char *end, *check, *bh;
	unsigned char *bn = TclGetByteArrayFromObj(needle, &ln);

	/* Find bytes in bytes */
	bh = TclGetByteArrayFromObj(haystack, &lh);
	if ((lh < ln) || (start > lh - ln)) {
	    /* Don't start the loop if there cannot be a valid answer */
	    goto firstEnd;
	}
	end = bh + lh;

	check = bh + start;
	while (check + ln <= end) {
	    /*
	     * Look for the leading byte of the needle in the haystack
	     * starting at check and stopping when there's not enough room
	     * for the needle left.
	     */
	    check = (unsigned char *)memchr(check, bn[0], (end + 1 - ln) - check);
	    if (check == NULL) {
		/* Leading byte not found -> needle cannot be found. */
		goto firstEnd;
	    }
	    /* Leading byte found, check rest of needle. */
	    if (0 == memcmp(check+1, bn+1, ln-1)) {
		/* Checks! Return the successful index. */
		value = (check - bh);
		goto firstEnd;
	    }
	    /* Rest of needle match failed; Iterate to continue search. */
	    check++;
	}
	goto firstEnd;
    }

    /*
     * TODO: It might be nice to support some cases where it is not
     * necessary to shimmer to &tclStringType to compute the result,
     * and instead operate just on the objPtr->bytes values directly.
     * However, we also do not want the answer to change based on the
     * code pathway, or if it does we want that to be for some values
     * we explicitly decline to support.  Getting there will involve
     * locking down in practice more firmly just what encodings produce
     * what supported results for the objPtr->bytes values.  For now,
     * do only the well-defined Tcl_UniChar array search.
     */



    un = TclGetUnicodeFromObj(needle, &ln);

    uh = TclGetUnicodeFromObj(haystack, &lh);
    if ((lh < ln) || (start > lh - ln)) {
	/* Don't start the loop if there cannot be a valid answer */

	goto firstEnd;
    }
    end = uh + lh;

    for (check = uh + start; check + ln <= end; check++) {
	if ((*check == *un) && (0 ==
		memcmp(check + 1, un + 1, (ln-1) * sizeof(Tcl_UniChar)))) {
	    value =  (check - uh);
	    goto firstEnd;
	}
    }
  firstEnd:
    TclNewIntObj(result, TclWideIntFromSize(value));
    return result;

}

/*
 *---------------------------------------------------------------------------
 *
 * TclStringLast --
 *
 *	Implements the [string last] operation.
 *
 * Results:
 *	If needle is found as a substring of haystack, the index of the
 *	last instance of such a find is returned.  If needle is not present
 *	as a substring of haystack, -1 is returned.
 *
 * Side effects:
 *	needle and haystack may have their Tcl_ObjType changed.
 *
 *---------------------------------------------------------------------------
 */

Tcl_Obj *
TclStringLast(
    Tcl_Obj *needle,
    Tcl_Obj *haystack,
    size_t last)
{
    size_t lh = 0, ln = Tcl_GetCharLength(needle);
    Tcl_Obj *result;
    size_t value = TCL_IO_FAILURE;
	Tcl_UniChar *check, *uh, *un;

    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.
	 */
	goto lastEnd;
    }

    if (TclIsPureByteArray(needle) && TclIsPureByteArray(haystack)) {
	unsigned char *check, *bh = TclGetByteArrayFromObj(haystack, &lh);
	unsigned char *bn = TclGetByteArrayFromObj(needle, &ln);

	if (last + 1 >= lh + 1) {
	    last = lh - 1;
	}
	if (last + 1 < ln) {
	    /* Don't start the loop if there cannot be a valid answer */
	    goto lastEnd;
	}
	check = bh + last + 1 - ln;

	while (check >= bh) {
	    if ((*check == bn[0])
		    && (0 == memcmp(check+1, bn+1, ln-1))) {
		value = (check - bh);
		goto lastEnd;
	    }
	    check--;
	}

	goto lastEnd;
    }


    uh = TclGetUnicodeFromObj(haystack, &lh);
    un = TclGetUnicodeFromObj(needle, &ln);

    if (last + 1 >= lh + 1) {
	last = lh - 1;
    }
    if (last + 1 < ln) {
	/* Don't start the loop if there cannot be a valid answer */
	goto lastEnd;
    }
    check = uh + last + 1 - ln;
    while (check >= uh) {
	if ((*check == un[0])
		&& (0 == memcmp(check+1, un+1, (ln-1)*sizeof(Tcl_UniChar)))) {
	    value = (check - uh);
	    goto lastEnd;
	}
	check--;
    }
  lastEnd:
    TclNewIntObj(result, TclWideIntFromSize(value));
    return result;

}

/*
 *---------------------------------------------------------------------------
 *
 * TclStringReverse --
 *

    0 http            2.9.1 {http http.tcl}
    1 msgcat          1.7.0  {msgcat msgcat.tcl}
    1 opt             0.4.7  {opt optparse.tcl}
    0 cookiejar       0.2.0  {cookiejar cookiejar.tcl}
    0 tcl::idna       1.0.1  {cookiejar idna.tcl}
    0 platform        1.0.14 {platform platform.tcl}
    0 platform::shell 1.1.4  {platform shell.tcl}
    1 tcltest         2.5.3  {tcltest tcltest.tcl}
  } {
    if {$isafe && !$safe} continue
    package ifneeded $package $version  [list source [file join $dir {*}$file]]
  }
}} $dir

# Tcl package index file, version 1.1
# This file is generated by the "pkg_mkIndex -direct" command
# and sourced either when an application starts up or
# by a "package unknown" script.  It invokes the
# "package ifneeded" command to set up package-related
# information so that packages will be loaded automatically
# in response to "package require" commands.  When this
# script is sourced, the variable $dir must contain the
# full path name of this file's directory.

if {![package vsatisfies [package provide Tcl] 8.5-]} {return}
package ifneeded tcltest 2.5.3 [list source [file join $dir tcltest.tcl]]

package require Tcl 8.5-		;# -verbose line uses [info frame]
namespace eval tcltest {

    # When the version number changes, be sure to update the pkgIndex.tcl file,
    # and the install directory in the Makefiles.  When the minor version
    # changes (new feature) be sure to update the man page as well.
    variable Version 2.5.3

    # Compatibility support for dumb variables defined in tcltest 1
    # Do not use these.  Call [package provide Tcl] and [info patchlevel]
    # yourself.  You don't need tcltest to wrap it for you.
    variable version [package provide Tcl]
    variable patchLevel [info patchlevel]

    FillFilesExisted
    if {[llength [info level 0]] == 2} {
	set directory [temporaryDirectory]
    }
    set fullName [file join $directory $name]
    DebugPuts 3 "[lindex [info level 0] 0]: removing $fullName"
    set idx [lsearch -exact $filesMade $fullName]

    if {$idx == -1} {
	DebugDo 1 {
	    Warn "removeFile removing \"$fullName\":\n  not created by makeFile"
	}
    } else {
	set filesMade [lreplace $filesMade $idx $idx]
    }
    if {![file isfile $fullName]} {
	DebugDo 1 {
	    Warn "removeFile removing \"$fullName\":\n  not a file"
	}
    }
    if {[catch {file delete -- $fullName} msg ]} {

	@echo "Installing package opt 0.4.7"
	@for i in $(TOP_DIR)/library/opt/*.tcl; do \
	    $(INSTALL_DATA) $$i "$(SCRIPT_INSTALL_DIR)"/opt0.4; \
	done
	@echo "Installing package msgcat 1.7.0 as a Tcl Module"
	@$(INSTALL_DATA) $(TOP_DIR)/library/msgcat/msgcat.tcl \
		"$(MODULE_INSTALL_DIR)"/tcl9/9.0/msgcat-1.7.0.tm
	@echo "Installing package tcltest 2.5.3 as a Tcl Module"
	@$(INSTALL_DATA) $(TOP_DIR)/library/tcltest/tcltest.tcl \
		"$(MODULE_INSTALL_DIR)"/tcl9/9.0/tcltest-2.5.3.tm
	@echo "Installing package platform 1.0.14 as a Tcl Module"
	@$(INSTALL_DATA) $(TOP_DIR)/library/platform/platform.tcl \
		"$(MODULE_INSTALL_DIR)"/tcl9/9.0/platform-1.0.14.tm
	@echo "Installing package platform::shell 1.1.4 as a Tcl Module"
	@$(INSTALL_DATA) $(TOP_DIR)/library/platform/shell.tcl \
		"$(MODULE_INSTALL_DIR)"/tcl9/9.0/platform/shell-1.1.4.tm
	@echo "Installing encoding files to $(SCRIPT_INSTALL_DIR)/encoding/"

	@echo "Installing package opt 0.4.7";
	@for j in $(ROOT_DIR)/library/opt/*.tcl; \
	    do \
	    $(COPY) "$$j" "$(SCRIPT_INSTALL_DIR)/opt0.4"; \
	    done;
	@echo "Installing package msgcat 1.7.0 as a Tcl Module";
	@$(COPY) $(ROOT_DIR)/library/msgcat/msgcat.tcl $(SCRIPT_INSTALL_DIR)/../tcl9/9.0/msgcat-1.7.0.tm;
	@echo "Installing package tcltest 2.5.3 as a Tcl Module";
	@$(COPY) $(ROOT_DIR)/library/tcltest/tcltest.tcl $(SCRIPT_INSTALL_DIR)/../tcl9/9.0/tcltest-2.5.3.tm;
	@echo "Installing package platform 1.0.14 as a Tcl Module";
	@$(COPY) $(ROOT_DIR)/library/platform/platform.tcl $(SCRIPT_INSTALL_DIR)/../tcl9/9.0/platform-1.0.14.tm;
	@echo "Installing package platform::shell 1.1.4 as a Tcl Module";
	@$(COPY) $(ROOT_DIR)/library/platform/shell.tcl $(SCRIPT_INSTALL_DIR)/../tcl9/9.0/platform/shell-1.1.4.tm;
	@echo "Installing encodings";
	@for i in $(ROOT_DIR)/library/encoding/*.enc; do \
		$(COPY) "$$i" "$(SCRIPT_INSTALL_DIR)/encoding"; \