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Overview
Comment:tclWinDde.c: Backport version 1.4.1 from Tcl 8.6.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | core-8-5-branch
Files: files | file ages | folders
SHA3-256:714f445acfbb36688461f7130134212b126f51eb8cd74c56c95d4b3ba2da6387
User & Date: jan.nijtmans 2018-10-27 07:53:45
Context
2018-10-27
08:03
Missed some version bumps in previous commit check-in: 5e7a02073b user: jan.nijtmans tags: core-8-5-branch
07:53
tclWinDde.c: Backport version 1.4.1 from Tcl 8.6. check-in: 714f445acf user: jan.nijtmans tags: core-8-5-branch
2018-10-26
18:41
tclWinReg.c: Code cleanup. Eliminate some unnecessary variables. tclWinDde.c: Backport improvements ... check-in: a82347c324 user: jan.nijtmans tags: core-8-6-branch
2018-10-24
21:22
Backport "registry" version 1.3.3, so all active branches now have the same registry version. (this... check-in: e4761eb0a8 user: jan.nijtmans tags: core-8-5-branch
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to library/dde/pkgIndex.tcl.

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if {![package vsatisfies [package provide Tcl] 8]} return
if {[info sharedlibextension] != ".dll"} return
if {[info exists ::tcl_platform(debug)]} {
    package ifneeded dde 1.3.3 [list load [file join $dir tcldde13g.dll] dde]
} else {
    package ifneeded dde 1.3.3 [list load [file join $dir tcldde13.dll] dde]
}



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if {![package vsatisfies [package provide Tcl] 8]} return
if {[info sharedlibextension] != ".dll"} return
if {[info exists ::tcl_platform(debug)]} {
    package ifneeded dde 1.4.1 [list load [file join $dir tcldde14g.dll] dde]
} else {
    package ifneeded dde 1.4.1 [list load [file join $dir tcldde14.dll] dde]
}

Changes to tests/winDde.test.

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# generates output for errors. No output means no errors were found.
#
# Copyright (c) 1999 by Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.

if {[lsearch [namespace children] ::tcltest] == -1} {
    package require tcltest 2
    #tcltest::configure -verbose {pass start}
    namespace import -force ::tcltest::*
}


testConstraint dde 0
if {[testConstraint win]} {
    if {![catch {
	    ::tcltest::loadTestedCommands
	    package require dde
	    set ::ddelib [lindex [package ifneeded dde 1.3.3] 1]}]} {
	testConstraint dde 1
    }
}


# -------------------------------------------------------------------------
# Setup a script for a test server
#

set scriptName [makeFile {} script1.tcl]

proc createChildProcess {ddeServerName {handler {}}} {
    file delete -force $::scriptName

    set f [open $::scriptName w+]
    puts $f [list set ddeServerName $ddeServerName]
    puts $f [list load $::ddelib dde]
    puts $f {
        # DDE child server -
        #
	if {[lsearch [namespace children] ::tcltest] == -1} {
	    package require tcltest
	    namespace import -force ::tcltest::*
	}
        
        # If an error occurs during the tests, this process may end up not
        # being closed down. To deal with this we create a 30s timeout.
        proc ::DoTimeout {} {
            global done ddeServerName
            set done 1
            puts "winDde.test child process $ddeServerName timed out."
            flush stdout
        }
        set timeout [after 30000 ::DoTimeout]
        
        # Define a restricted handler.
        proc Handler1 {cmd} {
            if {$cmd eq "stop"} {set ::done 1}



            puts $cmd ; flush stdout 
            return
        }
        proc Handler2 {cmd} {
            if {$cmd eq "stop"} {set ::done 1}
            puts [uplevel \#0 $cmd] ; flush stdout 
            return
        }
        proc Handler3 {prefix cmd} {
            if {$cmd eq "stop"} {set ::done 1}
            puts [list $prefix $cmd] ; flush stdout
            return
        }
    }
    # set the dde server name to the supplied argument.
    if {$handler == {}} {
        puts $f [list dde servername $ddeServerName]
    } else {
        puts $f [list dde servername -handler $handler -- $ddeServerName]
    }        
    puts $f {
        # run the server and handle final cleanup.
        after 200;# give dde a chance to get going.
	puts ready
        flush stdout
	vwait done
	# allow enough time for the calling process to
	# claim all results, to avoid spurious "server did
	# not respond"
	after 200 { set reallyDone 1 }
	vwait reallyDone
	exit
    }
    close $f
    
    # run the child server script.
    set f [open |[list [interpreter] $::scriptName] r]
    fconfigure $f -buffering line
    gets $f line
    return $f
}

# -------------------------------------------------------------------------




test winDde-1.1 {Settings the server's topic name} {win dde} {
    list [dde servername foobar] [dde servername] [dde servername self]
}  {foobar foobar self}

test winDde-2.1 {Checking for other services} {win dde} {
    expr [llength [dde services {} {}]] >= 0
} 1

test winDde-2.2 {Checking for existence, with service and topic specified} \
	{win dde} {

    llength [dde services TclEval self]
} 1

test winDde-2.3 {Checking for existence, with only the service specified} \
	{win dde} {

    expr [llength [dde services TclEval {}]] >= 1
} 1

test winDde-2.4 {Checking for existence, with only the topic specified} \
	{win dde} {

    expr [llength [dde services {} self]] >= 1
} 1


# -------------------------------------------------------------------------

test winDde-3.1 {DDE execute locally} {win dde} {
    set a ""
    dde execute TclEval self {set a "foo"}
    set a
} foo

test winDde-3.2 {DDE execute -async locally} {win dde} {
    set a ""
    dde execute -async TclEval self {set a "foo"}
    update
    set a
} foo

test winDde-3.3 {DDE request locally} {win dde} {
    set a ""
    dde execute TclEval self {set a "foo"}
    dde request TclEval self a
} foo

test winDde-3.4 {DDE eval locally} {win dde} {
    set a ""
    dde eval self set a "foo"
} foo

test winDde-3.5 {DDE request locally} {win dde} {
    set a ""
    dde execute TclEval self {set a "foo"}
    dde request -binary TclEval self a
} "foo\x00"

























# -------------------------------------------------------------------------

test winDde-4.1 {DDE execute remotely} {stdio win dde} {
    set a ""
    set name child-4.1
    set child [createChildProcess $name]
    dde execute TclEval $name {set a "foo"}
    dde execute TclEval $name {set done 1}
    update
    set a
} ""

test winDde-4.2 {DDE execute async remotely} {stdio win dde} {
    set a ""
    set name child-4.2
    set child [createChildProcess $name]
    dde execute -async TclEval $name {set a "foo"}
    update
    dde execute TclEval $name {set done 1}
    update
    set a
} ""

test winDde-4.3 {DDE request remotely} {stdio win dde} {
    set a ""
    set name chile-4.3
    set child [createChildProcess $name]
    dde execute TclEval $name {set a "foo"}
    set a [dde request TclEval $name a]
    dde execute TclEval $name {set done 1}
    update
    set a
} foo

test winDde-4.4 {DDE eval remotely} {stdio win dde} {
    set a ""
    set name child-4.4
    set child [createChildProcess $name]
    set a [dde eval $name set a "foo"]
    dde execute TclEval $name {set done 1}
    update
    set a
} foo












# -------------------------------------------------------------------------

test winDde-5.1 {check for bad arguments} -constraints {win dde} -body {
    dde execute "" "" "" ""
} -returnCodes error -result {wrong # args: should be "dde execute ?-async? serviceName topicName value"}
test winDde-5.2 {check for bad arguments} -constraints {win dde} -body {
    dde execute "" "" ""
} -returnCodes error -result {cannot execute null data}
test winDde-5.3 {check for bad arguments} -constraints {win dde} -body {
    dde execute -foo "" "" ""
} -returnCodes error -result {wrong # args: should be "dde execute ?-async? serviceName topicName value"}
test winDde-5.4 {DDE eval bad arguments} -constraints {win dde} -body {
    dde eval "" "foo"
} -returnCodes error -result {invalid service name ""}

# -------------------------------------------------------------------------

test winDde-6.1 {DDE servername bad arguments} -constraints {win dde} -body {
    dde servername -z -z -z
} -returnCodes error -result {bad option "-z": must be -force, -handler, or --}
test winDde-6.2 {DDE servername set name} -constraints {win dde} -body {
    dde servername -- winDde-6.2
} -result {winDde-6.2}
test winDde-6.3 {DDE servername set exact name} -constraints {win dde} -body {
    dde servername -force winDde-6.3
} -result {winDde-6.3}
test winDde-6.4 {DDE servername set exact name} -constraints {win dde} -body {
    dde servername -force -- winDde-6.4
} -result {winDde-6.4}
test winDde-6.5 {DDE remote servername collision} -constraints {stdio win dde} -setup {
    set name child-6.5
    set child [createChildProcess $name]
} -body {
    dde servername -- $name
} -cleanup {
    dde execute TclEval $name {set done 1}
    update
} -result "child-6.5 #2"
test winDde-6.6 {DDE remote servername collision force} -constraints {stdio win dde} -setup {
    set name child-6.6
    set child [createChildProcess $name]
} -body {
    dde servername -force -- $name
} -cleanup {
    dde execute TclEval $name {set done 1}
    update
} -result {child-6.6}

# -------------------------------------------------------------------------

test winDde-7.1 {Load DDE in slave interpreter } -constraints {win dde} -setup {
    interp create slave
} -body {
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.1]
} -cleanup {
    interp delete slave
} -result {dde-interp-7.1}
test winDde-7.2 {DDE slave cleanup} -constraints {win dde} -setup {
    interp create slave
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.5]
    interp delete slave
} -body {
    dde services TclEval {}
    set s [dde services TclEval {}]
    set m [list [list TclEval dde-interp-7.5]]
    if {[lsearch -exact $s $m] != -1} {
	set s
    }
} -result {}
test winDde-7.3 {DDE present in slave interp} -constraints {win dde} -setup {
    interp create slave
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.3]
} -body {
    dde services TclEval dde-interp-7.3
} -cleanup {
    interp delete slave
} -result {{TclEval dde-interp-7.3}}
test winDde-7.4 {interp name collision with -force} -constraints {win dde} -setup {
    interp create slave
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.4]
} -body {
    dde servername -force -- dde-interp-7.4
} -cleanup {
    interp delete slave
} -result {dde-interp-7.4}
test winDde-7.5 {interp name collision without -force} -constraints {win dde} -setup {
    interp create slave
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.5]
} -body {
    dde servername -- dde-interp-7.5
} -cleanup {
    interp delete slave
} -result "dde-interp-7.5 #2"

# -------------------------------------------------------------------------

test winDde-8.1 {Safe DDE load} -constraints {win dde} -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
} -body {
    slave eval dde servername slave
} -cleanup {
    interp delete slave
} -returnCodes error -result {invalid command name "dde"}
test winDde-8.2 {Safe DDE set servername} -constraints {win dde} -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
} -body {
    slave invokehidden dde servername slave
} -cleanup {interp delete slave} -result {slave}
test winDde-8.3 {Safe DDE check handler required for eval} -constraints {win dde} -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave invokehidden dde servername slave
} -body {
    catch {dde eval slave set a 1} msg
} -cleanup {interp delete slave} -result {1}
test winDde-8.4 {Safe DDE check that execute is denied} -constraints {win dde} -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave invokehidden dde servername slave
} -body {
    slave eval set a 1
    dde execute TclEval slave {set a 2}
    slave eval set a
} -cleanup {interp delete slave} -result 1
test winDde-8.5 {Safe DDE check that request is denied} -constraints {win dde} -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave invokehidden dde servername slave
} -body {
    slave eval set a 1
    dde request TclEval slave a
} -cleanup {
    interp delete slave
} -returnCodes error -result {remote server cannot handle this command}
test winDde-8.6 {Safe DDE assign handler procedure} -constraints {win dde} -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD $cmd}}
} -body {
    slave invokehidden dde servername -handler DDEACCEPT slave
} -cleanup {interp delete slave} -result slave
test winDde-8.7 {Safe DDE check simple command} -constraints {win dde} -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD $cmd}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    dde eval slave set x 1
} -cleanup {interp delete slave} -result {set x 1}
test winDde-8.8 {Safe DDE check non-list command} -constraints {win dde} -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD $cmd}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    set s "c:\\Program Files\\Microsoft Visual Studio\\"
    dde eval slave $s
    string equal [slave eval set DDECMD] $s
} -cleanup {interp delete slave} -result 1
test winDde-8.9 {Safe DDE check command evaluation} -constraints {win dde} -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD [uplevel \#0 $cmd]}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    dde eval slave set x 1
    slave eval set x
} -cleanup {interp delete slave} -result 1
test winDde-8.10 {Safe DDE check command evaluation (2)} -constraints {win dde} -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD [uplevel \#0 $cmd]}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    dde eval slave [list set x 1]
    slave eval set x
} -cleanup {interp delete slave} -result 1
test winDde-8.11 {Safe DDE check command evaluation (3)} -constraints {win dde} -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD [uplevel \#0 $cmd]}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    dde eval slave [list [list set x 1]]
    slave eval set x
} -cleanup {interp delete slave} -returnCodes error -result {invalid command name "set x 1"}

# -------------------------------------------------------------------------

test winDde-9.1 {External safe DDE check string passing} -constraints {win dde stdio} -setup {
    set name child-9.1
    set child [createChildProcess $name Handler1]
    file copy -force script1.tcl dde-script.tcl
} -body {
    dde eval $name set x 1
    gets $child line
    set line
} -cleanup {
    dde execute TclEval $name stop
    update
    file delete -force -- dde-script.tcl
} -result {set x 1}
test winDde-9.2 {External safe DDE check command evaluation} -constraints {win dde stdio} -setup {
    set name child-9.2
    set child [createChildProcess $name Handler2]
    file copy -force script1.tcl dde-script.tcl
} -body {
    dde eval $name set x 1
    gets $child line
    set line
} -cleanup {
    dde execute TclEval $name stop
    update
    file delete -force -- dde-script.tcl
} -result 1
test winDde-9.3 {External safe DDE check prefixed arguments} -constraints {win dde stdio} -setup {
    set name child-9.3
    set child [createChildProcess $name [list Handler3 ARG]]
    file copy -force script1.tcl dde-script.tcl
} -body {
    dde eval $name set x 1
    gets $child line
    set line
} -cleanup {
    dde execute TclEval $name stop
    update
    file delete -force -- dde-script.tcl
} -result {ARG {set x 1}}














# -------------------------------------------------------------------------

#cleanup
#catch {interp delete $slave};           # ensure we clean up the slave.
file delete -force $::scriptName
::tcltest::cleanupTests
return

# Local Variables:
# mode: tcl
# End:







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# generates output for errors. No output means no errors were found.
#
# Copyright (c) 1999 by Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.

if {"::tcltest" ni [namespace children]} {
    package require tcltest 2
    #tcltest::configure -verbose {pass start}
    namespace import -force ::tcltest::*
}

testConstraint debug [::tcl::pkgconfig get debug]
testConstraint dde 0
if {[testConstraint win]} {
    if {![catch {
	    ::tcltest::loadTestedCommands
	    set ::ddever [package require dde 1.4.1]
	    set ::ddelib [lindex [package ifneeded dde $::ddever] 1]}]} {
	testConstraint dde 1
    }
}


# -------------------------------------------------------------------------
# Setup a script for a test server
#

set scriptName [makeFile {} script1.tcl]

proc createChildProcess {ddeServerName args} {
    file delete -force $::scriptName

    set f [open $::scriptName w+]
    puts $f [list set ddeServerName $ddeServerName]
    puts $f [list load $::ddelib dde]
    puts $f {
        # DDE child server -
        #
	if {"::tcltest" ni [namespace children]} {
	    package require tcltest
	    namespace import -force ::tcltest::*
	}

        # If an error occurs during the tests, this process may end up not
        # being closed down. To deal with this we create a 30s timeout.
        proc ::DoTimeout {} {
            global done ddeServerName
            set done 1
            puts "winDde.test child process $ddeServerName timed out."
            flush stdout
        }
        set timeout [after 30000 ::DoTimeout]

        # Define a restricted handler.
        proc Handler1 {cmd} {
            if {$cmd eq "stop"} {set ::done 1}
            if {$cmd == ""} {
                set cmd "null data"
            }
            puts $cmd ; flush stdout
            return
        }
        proc Handler2 {cmd} {
            if {$cmd eq "stop"} {set ::done 1}
            puts [uplevel \#0 $cmd] ; flush stdout
            return
        }
        proc Handler3 {prefix cmd} {
            if {$cmd eq "stop"} {set ::done 1}
            puts [list $prefix $cmd] ; flush stdout
            return
        }
    }
    # set the dde server name to the supplied argument.

    puts $f [list dde servername {*}$args -- $ddeServerName]



    puts $f {
        # run the server and handle final cleanup.
        after 200;# give dde a chance to get going.
	puts ready
        flush stdout
	vwait done
	# allow enough time for the calling process to
	# claim all results, to avoid spurious "server did
	# not respond"
	after 200 {set reallyDone 1}
	vwait reallyDone
	exit
    }
    close $f

    # run the child server script.
    set f [open |[list [interpreter] $::scriptName] r]
    fconfigure $f -buffering line
    gets $f line
    return $f
}

# -------------------------------------------------------------------------
test winDde-1.0 {check if we are testing the right dll} {win dde} {
    set ::ddever
} {1.4.1}

test winDde-1.1 {Settings the server's topic name} -constraints dde -body {
    list [dde servername foobar] [dde servername] [dde servername self]
} -result {foobar foobar self}

test winDde-2.1 {Checking for other services} -constraints dde -body {
    expr [llength [dde services {} {}]] >= 0

} -result 1
test winDde-2.2 {Checking for existence, with service and topic specified} \

	-constraints dde -body {
    llength [dde services TclEval self]

} -result 1
test winDde-2.3 {Checking for existence, with only the service specified} \

	-constraints dde -body {
    expr [llength [dde services TclEval {}]] >= 1

} -result 1
test winDde-2.4 {Checking for existence, with only the topic specified} \

	-constraints dde -body {
    expr [llength [dde services {} self]] >= 1

} -result 1

# -------------------------------------------------------------------------

test winDde-3.1 {DDE execute locally} -constraints dde -body {
    set \xe1 ""
    dde execute TclEval self [list set \xe1 foo]
    set \xe1

} -result foo
test winDde-3.2 {DDE execute -async locally} -constraints dde -body {
    set \xe1 ""
    dde execute -async TclEval self [list set \xe1 foo]
    update
    set \xe1

} -result foo
test winDde-3.3 {DDE request locally} -constraints dde -body {
    set \xe1 ""
    dde execute TclEval self [list set \xe1 foo]
    dde request TclEval self \xe1

} -result foo
test winDde-3.4 {DDE eval locally} -constraints dde -body {
    set \xe1 ""
    dde eval self set \xe1 foo

} -result foo
test winDde-3.5 {DDE request locally} -constraints dde -body {
    set \xe1 ""
    dde execute TclEval self [list set \xe1 foo]
    dde request -binary TclEval self \xe1
} -result "foo\x00"
# Set variable a to A with diaeresis (unicode C4) by relying on the fact
# that utf8 is sent (e.g. "c3 84" on the wire)
test winDde-3.6 {DDE request utf8} -constraints dde -body {
    set \xe1 "not set"
    dde execute TclEval self "set \xe1 \xc4"
    scan [set \xe1] %c
} -result 196
# Set variable a to A with diaeresis (unicode C4) using binary execute
# and compose utf-8 (e.g. "c3 84" ) manualy
test winDde-3.7 {DDE request binary} -constraints dde -body {
    set \xe1 "not set"
    dde execute -binary TclEval self [list set \xc3\xa1 \xc3\x84\x00]
    scan [set \xe1] %c
} -result 196
test winDde-3.8 {DDE poke locally} -constraints {dde debug} -body {
    set \xe1 ""
    dde poke TclEval self \xe1 \xc4
    dde request TclEval self \xe1
} -result \xc4
test winDde-3.9 {DDE poke -binary locally} -constraints {dde debug} -body {
    set \xe1 ""
    dde poke -binary TclEval self \xe1 \xc3\x84\x00
    dde request TclEval self \xe1
} -result \xc4

# -------------------------------------------------------------------------

test winDde-4.1 {DDE execute remotely} -constraints {dde stdio} -body {
    set \xe1 ""
    set name ch\xEDld-4.1
    set child [createChildProcess $name]
    dde execute TclEval $name [list set \xe1 foo]
    dde execute TclEval $name {set done 1}
    update
    set \xe1

} -result ""
test winDde-4.2 {DDE execute async remotely} -constraints {dde stdio} -body {
    set \xe1 ""
    set name ch\xEDld-4.2
    set child [createChildProcess $name]
    dde execute -async TclEval $name [list set \xe1 foo]
    update
    dde execute TclEval $name {set done 1}
    update
    set \xe1

} -result ""
test winDde-4.3 {DDE request remotely} -constraints {dde stdio} -body {
    set \xe1 ""
    set name ch\xEDld-4.3
    set child [createChildProcess $name]
    dde execute TclEval $name [list set \xe1 foo]
    set \xe1 [dde request TclEval $name \xe1]
    dde execute TclEval $name {set done 1}
    update
    set \xe1

} -result foo
test winDde-4.4 {DDE eval remotely} -constraints {dde stdio} -body {
    set \xe1 ""
    set name ch\xEDld-4.4
    set child [createChildProcess $name]
    set \xe1 [dde eval $name set \xe1 foo]
    dde execute TclEval $name {set done 1}
    update
    set \xe1

}  -result foo
test winDde-4.5 {DDE poke remotely} -constraints {dde debug stdio} -body {
    set \xe1 ""
    set name ch\xEDld-4.5
    set child [createChildProcess $name]
    dde poke TclEval $name \xe1 foo
    set \xe1 [dde request TclEval $name \xe1]
    dde execute TclEval $name {set done 1}
    update
    set \xe1
} -result foo

# -------------------------------------------------------------------------

test winDde-5.1 {check for bad arguments} -constraints dde -body {
    dde execute "" "" "" ""
} -returnCodes error -result {wrong # args: should be "dde execute ?-async? ?-binary? serviceName topicName value"}
test winDde-5.2 {check for bad arguments} -constraints dde -body {
    dde execute -binary "" "" ""
} -returnCodes error -result {cannot execute null data}
test winDde-5.3 {check for bad arguments} -constraints dde -body {
    dde execute -foo "" "" ""
} -returnCodes error -result {wrong # args: should be "dde execute ?-async? ?-binary? serviceName topicName value"}
test winDde-5.4 {DDE eval bad arguments} -constraints dde -body {
    dde eval "" "foo"
} -returnCodes error -result {invalid service name ""}

# -------------------------------------------------------------------------

test winDde-6.1 {DDE servername bad arguments} -constraints dde -body {
    dde servername -z -z -z
} -returnCodes error -result {bad option "-z": must be -force, -handler, or --}
test winDde-6.2 {DDE servername set name} -constraints dde -body {
    dde servername -- winDde-6.2
} -result {winDde-6.2}
test winDde-6.3 {DDE servername set exact name} -constraints dde -body {
    dde servername -force winDde-6.3
} -result {winDde-6.3}
test winDde-6.4 {DDE servername set exact name} -constraints dde -body {
    dde servername -force -- winDde-6.4
} -result {winDde-6.4}
test winDde-6.5 {DDE remote servername collision} -constraints {dde stdio} -setup {
    set name ch\xEDld-6.5
    set child [createChildProcess $name]
} -body {
    dde servername -- $name
} -cleanup {
    dde execute TclEval $name {set done 1}
    update
} -result "ch\xEDld-6.5 #2"
test winDde-6.6 {DDE remote servername collision force} -constraints {dde stdio} -setup {
    set name ch\xEDld-6.6
    set child [createChildProcess $name]
} -body {
    dde servername -force -- $name
} -cleanup {
    dde execute TclEval $name {set done 1}
    update
} -result "ch\xEDld-6.6"

# -------------------------------------------------------------------------

test winDde-7.1 {Load DDE in slave interpreter} -constraints dde -setup {
    interp create slave
} -body {
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.1]
} -cleanup {
    interp delete slave
} -result {dde-interp-7.1}
test winDde-7.2 {DDE slave cleanup} -constraints dde -setup {
    interp create slave
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.5]
    interp delete slave
} -body {
    dde services TclEval {}
    set s [dde services TclEval {}]
    set m [list [list TclEval dde-interp-7.5]]
    if {$m in $s} {
	set s
    }
} -result {}
test winDde-7.3 {DDE present in slave interp} -constraints dde -setup {
    interp create slave
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.3]
} -body {
    dde services TclEval dde-interp-7.3
} -cleanup {
    interp delete slave
} -result {{TclEval dde-interp-7.3}}
test winDde-7.4 {interp name collision with -force} -constraints dde -setup {
    interp create slave
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.4]
} -body {
    dde servername -force -- dde-interp-7.4
} -cleanup {
    interp delete slave
} -result {dde-interp-7.4}
test winDde-7.5 {interp name collision without -force} -constraints dde -setup {
    interp create slave
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.5]
} -body {
    dde servername -- dde-interp-7.5
} -cleanup {
    interp delete slave
} -result "dde-interp-7.5 #2"

# -------------------------------------------------------------------------

test winDde-8.1 {Safe DDE load} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
} -body {
    slave eval dde servername slave
} -cleanup {
    interp delete slave
} -returnCodes error -result {invalid command name "dde"}
test winDde-8.2 {Safe DDE set servername} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
} -body {
    slave invokehidden dde servername slave
} -cleanup {interp delete slave} -result {slave}
test winDde-8.3 {Safe DDE check handler required for eval} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave invokehidden dde servername slave
} -body {
    catch {dde eval slave set a 1} msg
} -cleanup {interp delete slave} -result {1}
test winDde-8.4 {Safe DDE check that execute is denied} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave invokehidden dde servername slave
} -body {
    slave eval set a 1
    dde execute TclEval slave {set a 2}
    slave eval set a
} -cleanup {interp delete slave} -result 1
test winDde-8.5 {Safe DDE check that request is denied} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave invokehidden dde servername slave
} -body {
    slave eval set a 1
    dde request TclEval slave a
} -cleanup {
    interp delete slave
} -returnCodes error -result {remote server cannot handle this command}
test winDde-8.6 {Safe DDE assign handler procedure} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD $cmd}}
} -body {
    slave invokehidden dde servername -handler DDEACCEPT slave
} -cleanup {interp delete slave} -result slave
test winDde-8.7 {Safe DDE check simple command} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD $cmd}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    dde eval slave set x 1
} -cleanup {interp delete slave} -result {set x 1}
test winDde-8.8 {Safe DDE check non-list command} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD $cmd}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    set s "c:\\Program Files\\Microsoft Visual Studio\\"
    dde eval slave $s
    string equal [slave eval set DDECMD] $s
} -cleanup {interp delete slave} -result 1
test winDde-8.9 {Safe DDE check command evaluation} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD [uplevel \#0 $cmd]}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    dde eval slave set \xe1 1
    slave eval set \xe1
} -cleanup {interp delete slave} -result 1
test winDde-8.10 {Safe DDE check command evaluation (2)} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD [uplevel \#0 $cmd]}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    dde eval slave [list set x 1]
    slave eval set x
} -cleanup {interp delete slave} -result 1
test winDde-8.11 {Safe DDE check command evaluation (3)} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD [uplevel \#0 $cmd]}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    dde eval slave [list [list set x 1]]
    slave eval set x
} -cleanup {interp delete slave} -returnCodes error -result {invalid command name "set x 1"}

# -------------------------------------------------------------------------

test winDde-9.1 {External safe DDE check string passing} -constraints {dde stdio} -setup {
    set name ch\xEDld-9.1
    set child [createChildProcess $name -handler Handler1]
    file copy -force script1.tcl dde-script.tcl
} -body {
    dde eval $name set x 1
    gets $child line
    set line
} -cleanup {
    dde execute TclEval $name stop
    update
    file delete -force -- dde-script.tcl
} -result {set x 1}
test winDde-9.2 {External safe DDE check command evaluation} -constraints {dde stdio} -setup {
    set name ch\xEDld-9.2
    set child [createChildProcess $name -handler Handler2]
    file copy -force script1.tcl dde-script.tcl
} -body {
    dde eval $name set x 1
    gets $child line
    set line
} -cleanup {
    dde execute TclEval $name stop
    update
    file delete -force -- dde-script.tcl
} -result 1
test winDde-9.3 {External safe DDE check prefixed arguments} -constraints {dde stdio} -setup {
    set name ch\xEDld-9.3
    set child [createChildProcess $name -handler [list Handler3 ARG]]
    file copy -force script1.tcl dde-script.tcl
} -body {
    dde eval $name set x 1
    gets $child line
    set line
} -cleanup {
    dde execute TclEval $name stop
    update
    file delete -force -- dde-script.tcl
} -result {ARG {set x 1}}
test winDde-9.4 {External safe DDE check null data passing} -constraints {dde stdio} -setup {
    set name ch\xEDld-9.4
    set child [createChildProcess $name -handler Handler1]
    file copy -force script1.tcl dde-script.tcl
} -body {
    dde execute TclEval $name ""
    gets $child line
    set line
} -cleanup {
    dde execute TclEval $name stop
    update
    file delete -force -- dde-script.tcl
} -result {null data}

# -------------------------------------------------------------------------

#cleanup
#catch {interp delete $slave};           # ensure we clean up the slave.
file delete -force $::scriptName
::tcltest::cleanupTests
return

# Local Variables:
# mode: tcl
# End:

Changes to win/Makefile.in.

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# The following objects should be built using the stub interfaces

tclWinReg.${OBJEXT} : tclWinReg.c
	$(CC) -c $(CC_SWITCHES) -DUNICODE -D_UNICODE -DUSE_TCL_STUBS @DEPARG@ $(CC_OBJNAME)

tclWinDde.${OBJEXT} : tclWinDde.c
	$(CC) -c $(CC_SWITCHES) -DUSE_TCL_STUBS @DEPARG@ $(CC_OBJNAME)

# TIP #59, embedding of configuration information into the binary library.
#
# Part of Tcl's configuration information are the paths where it was installed
# and where it will look for its libraries (which can be different). We derive
# this information from the variables which can be overridden by the user. As
# every path can be configured separately we do not remember one general
................................................................................
# Specifying TESTFLAGS on the command line is the standard way to pass args to
# tcltest, i.e.:
#	% make test TESTFLAGS="-verbose bps -file fileName.test"

test: binaries $(TCLTEST)
	TCL_LIBRARY="$(LIBRARY_DIR)"; export TCL_LIBRARY; \
	./$(TCLTEST) "$(ROOT_DIR_NATIVE)/tests/all.tcl" $(TESTFLAGS) \
	-load "package ifneeded dde 1.3.3 [list load [file normalize ${DDE_DLL_FILE}] dde]; \
	package ifneeded registry 1.3.3 [list load [file normalize ${REG_DLL_FILE}] registry]" | ./$(CAT32)

# Useful target to launch a built tcltest with the proper path,...
runtest: binaries $(TCLTEST)
	@TCL_LIBRARY="$(LIBRARY_DIR)"; export TCL_LIBRARY; \
	./$(TCLTEST) $(TESTFLAGS) -load "package ifneeded dde 1.3.3 [list load [file normalize ${DDE_DLL_FILE}] dde]; \
	package ifneeded registry 1.3.3 [list load [file normalize ${REG_DLL_FILE}] registry]" $(SCRIPT)

# This target can be used to run tclsh from the build directory via
# `make shell SCRIPT=foo.tcl`
shell: binaries
	@TCL_LIBRARY="$(LIBRARY_DIR)"; export TCL_LIBRARY; \
	./$(TCLSH) $(SCRIPT)







|







 







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# The following objects should be built using the stub interfaces

tclWinReg.${OBJEXT} : tclWinReg.c
	$(CC) -c $(CC_SWITCHES) -DUNICODE -D_UNICODE -DUSE_TCL_STUBS @DEPARG@ $(CC_OBJNAME)

tclWinDde.${OBJEXT} : tclWinDde.c
	$(CC) -c $(CC_SWITCHES)  -DUNICODE -D_UNICODE -DUSE_TCL_STUBS @DEPARG@ $(CC_OBJNAME)

# TIP #59, embedding of configuration information into the binary library.
#
# Part of Tcl's configuration information are the paths where it was installed
# and where it will look for its libraries (which can be different). We derive
# this information from the variables which can be overridden by the user. As
# every path can be configured separately we do not remember one general
................................................................................
# Specifying TESTFLAGS on the command line is the standard way to pass args to
# tcltest, i.e.:
#	% make test TESTFLAGS="-verbose bps -file fileName.test"

test: binaries $(TCLTEST)
	TCL_LIBRARY="$(LIBRARY_DIR)"; export TCL_LIBRARY; \
	./$(TCLTEST) "$(ROOT_DIR_NATIVE)/tests/all.tcl" $(TESTFLAGS) \
	-load "package ifneeded dde 1.4.1 [list load [file normalize ${DDE_DLL_FILE}] dde]; \
	package ifneeded registry 1.3.3 [list load [file normalize ${REG_DLL_FILE}] registry]" | ./$(CAT32)

# Useful target to launch a built tcltest with the proper path,...
runtest: binaries $(TCLTEST)
	@TCL_LIBRARY="$(LIBRARY_DIR)"; export TCL_LIBRARY; \
	./$(TCLTEST) $(TESTFLAGS) -load "package ifneeded dde 1.4.1 [list load [file normalize ${DDE_DLL_FILE}] dde]; \
	package ifneeded registry 1.3.3 [list load [file normalize ${REG_DLL_FILE}] registry]" $(SCRIPT)

# This target can be used to run tclsh from the build directory via
# `make shell SCRIPT=foo.tcl`
shell: binaries
	@TCL_LIBRARY="$(LIBRARY_DIR)"; export TCL_LIBRARY; \
	./$(TCLSH) $(SCRIPT)

Changes to win/configure.

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TCL_VERSION=8.5
TCL_MAJOR_VERSION=8
TCL_MINOR_VERSION=5
TCL_PATCH_LEVEL=".19"
VER=$TCL_MAJOR_VERSION$TCL_MINOR_VERSION

TCL_DDE_VERSION=1.3
TCL_DDE_MAJOR_VERSION=1
TCL_DDE_MINOR_VERSION=3
DDEVER=$TCL_DDE_MAJOR_VERSION$TCL_DDE_MINOR_VERSION

TCL_REG_VERSION=1.2
TCL_REG_MAJOR_VERSION=1
TCL_REG_MINOR_VERSION=2
REGVER=$TCL_REG_MAJOR_VERSION$TCL_REG_MINOR_VERSION

#------------------------------------------------------------------------
# Handle the --prefix=... option
#------------------------------------------------------------------------

if test "${prefix}" = "NONE"; then







|

|


|

|







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TCL_VERSION=8.5
TCL_MAJOR_VERSION=8
TCL_MINOR_VERSION=5
TCL_PATCH_LEVEL=".19"
VER=$TCL_MAJOR_VERSION$TCL_MINOR_VERSION

TCL_DDE_VERSION=1.4
TCL_DDE_MAJOR_VERSION=1
TCL_DDE_MINOR_VERSION=4
DDEVER=$TCL_DDE_MAJOR_VERSION$TCL_DDE_MINOR_VERSION

TCL_REG_VERSION=1.3
TCL_REG_MAJOR_VERSION=1
TCL_REG_MINOR_VERSION=3
REGVER=$TCL_REG_MAJOR_VERSION$TCL_REG_MINOR_VERSION

#------------------------------------------------------------------------
# Handle the --prefix=... option
#------------------------------------------------------------------------

if test "${prefix}" = "NONE"; then

Changes to win/configure.in.

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TCL_VERSION=8.5
TCL_MAJOR_VERSION=8
TCL_MINOR_VERSION=5
TCL_PATCH_LEVEL=".19"
VER=$TCL_MAJOR_VERSION$TCL_MINOR_VERSION

TCL_DDE_VERSION=1.3
TCL_DDE_MAJOR_VERSION=1
TCL_DDE_MINOR_VERSION=3
DDEVER=$TCL_DDE_MAJOR_VERSION$TCL_DDE_MINOR_VERSION

TCL_REG_VERSION=1.3
TCL_REG_MAJOR_VERSION=1
TCL_REG_MINOR_VERSION=3
REGVER=$TCL_REG_MAJOR_VERSION$TCL_REG_MINOR_VERSION








|

|







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TCL_VERSION=8.5
TCL_MAJOR_VERSION=8
TCL_MINOR_VERSION=5
TCL_PATCH_LEVEL=".19"
VER=$TCL_MAJOR_VERSION$TCL_MINOR_VERSION

TCL_DDE_VERSION=1.4
TCL_DDE_MAJOR_VERSION=1
TCL_DDE_MINOR_VERSION=4
DDEVER=$TCL_DDE_MAJOR_VERSION$TCL_DDE_MINOR_VERSION

TCL_REG_VERSION=1.3
TCL_REG_MAJOR_VERSION=1
TCL_REG_MINOR_VERSION=3
REGVER=$TCL_REG_MAJOR_VERSION$TCL_REG_MINOR_VERSION

Changes to win/makefile.bc.

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######################################################################

NAMEPREFIX	= tcl
STUBPREFIX	= $(NAMEPREFIX)stub
DOTVERSION	= 8.5
VERSION		= 85

DDEVERSION = 13
DDEDOTVERSION = 1.3

REGVERSION = 13
REGDOTVERSION = 1.3

BINROOT		= ..
!IF "$(NODEBUG)" == "1"
TMPDIRNAME	= Release







|
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######################################################################

NAMEPREFIX	= tcl
STUBPREFIX	= $(NAMEPREFIX)stub
DOTVERSION	= 8.5
VERSION		= 85

DDEVERSION = 14
DDEDOTVERSION = 1.4

REGVERSION = 13
REGDOTVERSION = 1.3

BINROOT		= ..
!IF "$(NODEBUG)" == "1"
TMPDIRNAME	= Release

Changes to win/makefile.vc.

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install:    install-binaries install-libraries install-docs

test: test-core
test-core: setup $(TCLTEST) dlls $(CAT32)
	set TCL_LIBRARY=$(ROOT:\=/)/library
!if "$(OS)" == "Windows_NT"  || "$(MSVCDIR)" == "IDE"
	$(DEBUGGER) $(TCLTEST) "$(ROOT:\=/)/tests/all.tcl" $(TESTFLAGS) -loadfile <<
		package ifneeded dde 1.3.3 [list load "$(TCLDDELIB:\=/)" dde]
		package ifneeded registry 1.3.3 [list load "$(TCLREGLIB:\=/)" registry]
<<
!else
	@echo Please wait while the tests are collected...
	$(TCLTEST) "$(ROOT:\=/)/tests/all.tcl" $(TESTFLAGS) -loadfile << > tests.log
		package ifneeded dde 1.3.3 "$(TCLDDELIB:\=/)" dde]
		package ifneeded registry 1.3.3 "$(TCLREGLIB:\=/)" registry]
<<
	type tests.log | more
!endif

runtest: setup $(TCLTEST) dlls $(CAT32)
	set TCL_LIBRARY=$(ROOT:\=/)/library







|





|







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install:    install-binaries install-libraries install-docs

test: test-core
test-core: setup $(TCLTEST) dlls $(CAT32)
	set TCL_LIBRARY=$(ROOT:\=/)/library
!if "$(OS)" == "Windows_NT"  || "$(MSVCDIR)" == "IDE"
	$(DEBUGGER) $(TCLTEST) "$(ROOT:\=/)/tests/all.tcl" $(TESTFLAGS) -loadfile <<
		package ifneeded dde 1.4.1 [list load "$(TCLDDELIB:\=/)" dde]
		package ifneeded registry 1.3.3 [list load "$(TCLREGLIB:\=/)" registry]
<<
!else
	@echo Please wait while the tests are collected...
	$(TCLTEST) "$(ROOT:\=/)/tests/all.tcl" $(TESTFLAGS) -loadfile << > tests.log
		package ifneeded dde 1.4.1 "$(TCLDDELIB:\=/)" dde]
		package ifneeded registry 1.3.3 "$(TCLREGLIB:\=/)" registry]
<<
	type tests.log | more
!endif

runtest: setup $(TCLTEST) dlls $(CAT32)
	set TCL_LIBRARY=$(ROOT:\=/)/library

Changes to win/tclWinDde.c.

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 *
 * Copyright (c) 1997 by Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */





#include "tclInt.h"
#include "tclPort.h"
#include <dde.h>
#include <ddeml.h>


/*
 * TCL_STORAGE_CLASS is set unconditionally to DLLEXPORT because the Dde_Init
 * declaration is in the source file itself, which is only accessed when we
 * are building a library. DO NOT MOVE BEFORE ANY #include LINES. ONLY USE
 * EXTERN TO INDICATE EXPORTED FUNCTIONS FROM NOW ON.
 */


#undef TCL_STORAGE_CLASS
#define TCL_STORAGE_CLASS DLLEXPORT

/*
 * The following structure is used to keep track of the interpreters
 * registered by this process.
 */

typedef struct RegisteredInterp {
    struct RegisteredInterp *nextPtr;
				/* The next interp this application knows
				 * about. */
    char *name;			/* Interpreter's name (malloc-ed). */
    Tcl_Obj *handlerPtr;	/* The server handler command */
    Tcl_Interp *interp;		/* The interpreter attached to this name. */
} RegisteredInterp;

/*
 * Used to keep track of conversations.
 */
................................................................................
    struct Conversation *nextPtr;
				/* The next conversation in the list. */
    RegisteredInterp *riPtr;	/* The info we know about the conversation. */
    HCONV hConv;		/* The DDE handle for this conversation. */
    Tcl_Obj *returnPackagePtr;	/* The result package for this conversation. */
} Conversation;

typedef struct DdeEnumServices {
    Tcl_Interp *interp;
    int result;
    ATOM service;
    ATOM topic;
    HWND hwnd;
} DdeEnumServices;

typedef struct ThreadSpecificData {
    Conversation *currentConversations;
				/* A list of conversations currently being
				 * processed. */
    RegisteredInterp *interpListPtr;
				/* List of all interpreters registered in the
				 * current process. */
} ThreadSpecificData;
................................................................................
 */

static HSZ ddeServiceGlobal = 0;
static DWORD ddeInstance;	/* The application instance handle given to us
				 * by DdeInitialize. */
static int ddeIsServer = 0;


#define TCL_DDE_PACKAGE_NAME	"dde"
#define TCL_DDE_SERVICE_NAME	"TclEval"
#define TCL_DDE_EXECUTE_RESULT	"$TCLEVAL$EXECUTE$RESULT"

#define DDE_FLAG_ASYNC 1
#define DDE_FLAG_BINARY 2
#define DDE_FLAG_FORCE 4

TCL_DECLARE_MUTEX(ddeMutex)

/*
 * Forward declarations for functions defined later in this file.
 */

static LRESULT CALLBACK	DdeClientWindowProc(HWND hwnd, UINT uMsg,
			    WPARAM wParam, LPARAM lParam);
static int		DdeCreateClient(struct DdeEnumServices *es);
static BOOL CALLBACK	DdeEnumWindowsCallback(HWND hwndTarget,
			    LPARAM lParam);
static void		DdeExitProc(ClientData clientData);
static int		DdeGetServicesList(Tcl_Interp *interp,
			    const char *serviceName, const char *topicName);
static HDDEDATA CALLBACK DdeServerProc(UINT uType, UINT uFmt, HCONV hConv,
			    HSZ ddeTopic, HSZ ddeItem, HDDEDATA hData,
			    DWORD dwData1, DWORD dwData2);
static LRESULT		DdeServicesOnAck(HWND hwnd, WPARAM wParam,
			    LPARAM lParam);
static void		DeleteProc(ClientData clientData);
static Tcl_Obj *	ExecuteRemoteObject(RegisteredInterp *riPtr,
			    Tcl_Obj *ddeObjectPtr);
static int		MakeDdeConnection(Tcl_Interp *interp,
			    const char *name, HCONV *ddeConvPtr);
static void		SetDdeError(Tcl_Interp *interp);
static int		DdeObjCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[]);


EXTERN int		Dde_Init(Tcl_Interp *interp);
EXTERN int		Dde_SafeInit(Tcl_Interp *interp);
 
/*
 *----------------------------------------------------------------------
 *
 * Dde_Init --
 *
 *	This function initializes the dde command.
................................................................................
{
    if (!Tcl_InitStubs(interp, "8.1", 0)) {
	return TCL_ERROR;
    }

    Tcl_CreateObjCommand(interp, "dde", DdeObjCmd, NULL, NULL);
    Tcl_CreateExitHandler(DdeExitProc, NULL);
    return Tcl_PkgProvide(interp, TCL_DDE_PACKAGE_NAME, "1.3.3");
}
 
/*
 *----------------------------------------------------------------------
 *
 * Dde_SafeInit --
 *
................................................................................
    }
    if ((ddeServiceGlobal == 0) && (nameFound != 0)) {
	Tcl_MutexLock(&ddeMutex);
	if ((ddeServiceGlobal == 0) && (nameFound != 0)) {
	    ddeIsServer = 1;
	    Tcl_CreateExitHandler(DdeExitProc, NULL);
	    ddeServiceGlobal = DdeCreateStringHandle(ddeInstance,
		    TCL_DDE_SERVICE_NAME, 0);
	    DdeNameService(ddeInstance, ddeServiceGlobal, 0L, DNS_REGISTER);
	} else {
	    ddeIsServer = 0;
	}
	Tcl_MutexUnlock(&ddeMutex);
    }
}
................................................................................
 *	"send" command is created in the application's interpreter. The
 *	registration will be removed automatically if the interpreter is
 *	deleted or the "send" command is removed.
 *
 *----------------------------------------------------------------------
 */

static const char *
DdeSetServerName(
    Tcl_Interp *interp,
    const char *name, /* The name that will be used to refer to the
				 * interpreter in later "send" commands. Must
				 * be globally unique. */
    int flags,		/* DDE_FLAG_FORCE or 0 */
    Tcl_Obj *handlerPtr)	/* Name of the optional proc/command to handle
				 * incoming Dde eval's */
{
    int suffix, offset;
    RegisteredInterp *riPtr, *prevPtr;
    Tcl_DString dString;
    const char *actualName;
    Tcl_Obj *srvListPtr = NULL, **srvPtrPtr = NULL;
    int n, srvCount = 0, lastSuffix, r = TCL_OK;
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

    /*
     * See if the application is already registered; if so, remove its current
     * name from the registry. The deletion of the command will take care of
................................................................................

    if (name == NULL) {
	/*
	 * The name was NULL, so the caller is asking for the name of the
	 * current interp, but it doesn't have a name.
	 */

	return "";
    }

    /*
     * Get the list of currently registered Tcl interpreters by calling the
     * internal implementation of the 'dde services' command.
     */

................................................................................
	    srvListPtr = Tcl_GetObjResult(interp);
	}
	if (r == TCL_OK) {
	    r = Tcl_ListObjGetElements(interp, srvListPtr, &srvCount,
		    &srvPtrPtr);
	}
	if (r != TCL_OK) {
	    OutputDebugString(Tcl_GetStringResult(interp));


	    return NULL;
	}

	/*
	 * Pick a name to use for the application. Use "name" if it's not
	 * already in use. Otherwise add a suffix such as " #2", trying larger
	 * and larger numbers until we eventually find one that is unique.
................................................................................
	offset = lastSuffix = 0;
	suffix = 1;

	while (suffix != lastSuffix) {
	    lastSuffix = suffix;
	    if (suffix > 1) {
		if (suffix == 2) {
		    Tcl_DStringAppend(&dString, name, -1);
		    Tcl_DStringAppend(&dString, " #", 2);
		    offset = Tcl_DStringLength(&dString);
		    Tcl_DStringSetLength(&dString, offset + TCL_INTEGER_SPACE);
		    actualName = Tcl_DStringValue(&dString);
		}
		sprintf(Tcl_DStringValue(&dString) + offset, "%d", suffix);

	    }

	    /*
	     * See if the name is already in use, if so increment suffix.
	     */

	    for (n = 0; n < srvCount; ++n) {
		Tcl_Obj* namePtr;


		Tcl_ListObjIndex(interp, srvPtrPtr[n], 1, &namePtr);
		if (strcmp(actualName, Tcl_GetString(namePtr)) == 0) {


		    suffix++;

		    break;
		}

	    }
	}
	Tcl_DStringSetLength(&dString,
		offset + (int)strlen(Tcl_DStringValue(&dString)+offset));
    }

    /*
     * We have found a unique name. Now add it to the registry.
     */

    riPtr = (RegisteredInterp *) ckalloc(sizeof(RegisteredInterp));
    riPtr->interp = interp;
    riPtr->name = ckalloc((unsigned int) strlen(actualName) + 1);
    riPtr->nextPtr = tsdPtr->interpListPtr;
    riPtr->handlerPtr = handlerPtr;
    if (riPtr->handlerPtr != NULL) {
	Tcl_IncrRefCount(riPtr->handlerPtr);
    }
    tsdPtr->interpListPtr = riPtr;
    strcpy(riPtr->name, actualName);

    if (Tcl_IsSafe(interp)) {
	Tcl_ExposeCommand(interp, "dde", "dde");
    }

    Tcl_CreateObjCommand(interp, "dde", DdeObjCmd,
	    (ClientData) riPtr, DeleteProc);
    if (Tcl_IsSafe(interp)) {
	Tcl_HideCommand(interp, "dde", "dde");
    }
    Tcl_DStringFree(&dString);

    /*
     * Re-initialize with the new name.
................................................................................
    if (searchPtr != NULL) {
	if (prevPtr == NULL) {
	    tsdPtr->interpListPtr = tsdPtr->interpListPtr->nextPtr;
	} else {
	    prevPtr->nextPtr = searchPtr->nextPtr;
	}
    }
    ckfree(riPtr->name);
    if (riPtr->handlerPtr) {
	Tcl_DecrRefCount(riPtr->handlerPtr);
    }
    Tcl_EventuallyFree(clientData, TCL_DYNAMIC);
}
 
/*
................................................................................
ExecuteRemoteObject(
    RegisteredInterp *riPtr,	    /* Info about this server. */
    Tcl_Obj *ddeObjectPtr)	    /* The object to execute. */
{
    Tcl_Obj *returnPackagePtr;
    int result = TCL_OK;

    if (riPtr->handlerPtr == NULL && Tcl_IsSafe(riPtr->interp)) {
	Tcl_SetObjResult(riPtr->interp, Tcl_NewStringObj("permission denied: "
		"a handler procedure must be defined for use in a safe "
		"interp", -1));

	result = TCL_ERROR;
    }

    if (riPtr->handlerPtr != NULL) {
	/*
	 * Add the dde request data to the handler proc list.
	 */
................................................................................
    HSZ ddeTopic, HSZ ddeItem,	/* String handles. Transaction-type
				 * dependent. */
    HDDEDATA hData,		/* DDE data. Transaction-type dependent. */
    DWORD dwData1, DWORD dwData2)
				/* Transaction-dependent data. */
{
    Tcl_DString dString;
    int len;
    DWORD dlen;
    char *utilString;
    Tcl_Obj *ddeObjectPtr;
    HDDEDATA ddeReturn = NULL;
    RegisteredInterp *riPtr;
    Conversation *convPtr, *prevConvPtr;
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

    switch(uType) {
    case XTYP_CONNECT:
	/*
	 * Dde is trying to initialize a conversation with us. Check and make
	 * sure we have a valid topic.
	 */

	len = DdeQueryString(ddeInstance, ddeTopic, NULL, 0, 0);
	Tcl_DStringInit(&dString);
	Tcl_DStringSetLength(&dString, len);
	utilString = Tcl_DStringValue(&dString);
	DdeQueryString(ddeInstance, ddeTopic, utilString, (DWORD) len + 1,
		CP_WINANSI);

	for (riPtr = tsdPtr->interpListPtr; riPtr != NULL;
		riPtr = riPtr->nextPtr) {
	    if (stricmp(utilString, riPtr->name) == 0) {
		Tcl_DStringFree(&dString);
		return (HDDEDATA) TRUE;
	    }
	}

	Tcl_DStringFree(&dString);
	return (HDDEDATA) FALSE;
................................................................................
    case XTYP_CONNECT_CONFIRM:
	/*
	 * Dde has decided that we can connect, so it gives us a conversation
	 * handle. We need to keep track of it so we know which execution
	 * result to return in an XTYP_REQUEST.
	 */

	len = DdeQueryString(ddeInstance, ddeTopic, NULL, 0, 0);
	Tcl_DStringInit(&dString);
	Tcl_DStringSetLength(&dString, len);
	utilString = Tcl_DStringValue(&dString);
	DdeQueryString(ddeInstance, ddeTopic, utilString, (DWORD) len + 1,
		CP_WINANSI);
	for (riPtr = tsdPtr->interpListPtr; riPtr != NULL;
		riPtr = riPtr->nextPtr) {
	    if (stricmp(riPtr->name, utilString) == 0) {
		convPtr = (Conversation *) ckalloc(sizeof(Conversation));
		convPtr->nextPtr = tsdPtr->currentConversations;
		convPtr->returnPackagePtr = NULL;
		convPtr->hConv = hConv;
		convPtr->riPtr = riPtr;
		tsdPtr->currentConversations = convPtr;
		break;
	    }
................................................................................
		    tsdPtr->currentConversations = convPtr->nextPtr;
		} else {
		    prevConvPtr->nextPtr = convPtr->nextPtr;
		}
		if (convPtr->returnPackagePtr != NULL) {
		    Tcl_DecrRefCount(convPtr->returnPackagePtr);
		}
		ckfree((char *) convPtr);
		break;
	    }
	}
	return (HDDEDATA) TRUE;

    case XTYP_REQUEST:
	/*
................................................................................
		&& (convPtr->hConv != hConv); convPtr = convPtr->nextPtr) {
	    /*
	     * Empty loop body.
	     */
	}

	if (convPtr != NULL) {

	    char *returnString;

	    len = DdeQueryString(ddeInstance, ddeItem, NULL, 0, CP_WINANSI);
	    Tcl_DStringInit(&dString);

	    Tcl_DStringSetLength(&dString, len);
	    utilString = Tcl_DStringValue(&dString);
	    DdeQueryString(ddeInstance, ddeItem, utilString, (DWORD) len + 1,
		    CP_WINANSI);
	    if (stricmp(utilString, TCL_DDE_EXECUTE_RESULT) == 0) {
		if (uFmt == CF_TEXT) {
		    returnString =
			    Tcl_GetStringFromObj(convPtr->returnPackagePtr, &len);
		} else {
		    returnString = (char *)
			    Tcl_GetUnicodeFromObj(convPtr->returnPackagePtr, &len);

		    len = 2 * len + 1;


		}
		ddeReturn = DdeCreateDataHandle(ddeInstance, (BYTE *)returnString,
			(DWORD) len+1, 0, ddeItem, uFmt, 0);
	    } else {
		if (Tcl_IsSafe(convPtr->riPtr->interp)) {
		    ddeReturn = NULL;
		} else {
		    Tcl_Obj *variableObjPtr = Tcl_GetVar2Ex(
			    convPtr->riPtr->interp, utilString, NULL,
			    TCL_GLOBAL_ONLY);
		    if (variableObjPtr != NULL) {
			if (uFmt == CF_TEXT) {
			    returnString = Tcl_GetStringFromObj(
				    variableObjPtr, &len);
			} else {
			    returnString = (char *) Tcl_GetUnicodeFromObj(
				    variableObjPtr, &len);
			    len = 2 * len + 1;



			}
			ddeReturn = DdeCreateDataHandle(ddeInstance,
				(BYTE *)returnString, (DWORD) len+1, 0, ddeItem,
				uFmt, 0);
		    } else {
			ddeReturn = NULL;
		    }

		}
	    }

	    Tcl_DStringFree(&dString);


















































	}
	return ddeReturn;


    case XTYP_EXECUTE: {
	/*
	 * Execute this script. The results will be saved into a list object
	 * which will be retreived later. See ExecuteRemoteObject.
	 */

	Tcl_Obj *returnPackagePtr;
	Tcl_UniChar *uniStr;

	for (convPtr = tsdPtr->currentConversations; (convPtr != NULL)
		&& (convPtr->hConv != hConv); convPtr = convPtr->nextPtr) {
	    /*
	     * Empty loop body.
	     */
	}

	if (convPtr == NULL) {
	    return (HDDEDATA) DDE_FNOTPROCESSED;
	}

	utilString = (char *) DdeAccessData(hData, &dlen);
	uniStr = (Tcl_UniChar *) utilString;
	if (!dlen) {
	    /* Empty binary array. */
	    ddeObjectPtr = Tcl_NewObj();
	} else if ((dlen & 1) || uniStr[(dlen>>1)-1]) {
	    /* Cannot be unicode, so assume utf-8 */
	    if (!utilString[dlen-1]) {
		dlen--;
	    }
	    ddeObjectPtr = Tcl_NewStringObj(utilString, dlen);
	} else {
	    /* unicode */
	    dlen >>= 1;


	    ddeObjectPtr = Tcl_NewUnicodeObj(uniStr, dlen - 1);


	}
	Tcl_IncrRefCount(ddeObjectPtr);
	DdeUnaccessData(hData);
	if (convPtr->returnPackagePtr != NULL) {
	    Tcl_DecrRefCount(convPtr->returnPackagePtr);
	}
	convPtr->returnPackagePtr = NULL;
................................................................................
	ddeReturn = DdeCreateDataHandle(ddeInstance, NULL,
		(numItems + 1) * sizeof(HSZPAIR), 0, 0, 0, 0);
	returnPtr = (HSZPAIR *) DdeAccessData(ddeReturn, &dlen);
	len = dlen;
	for (i = 0, riPtr = tsdPtr->interpListPtr; i < numItems;
		i++, riPtr = riPtr->nextPtr) {
	    returnPtr[i].hszSvc = DdeCreateStringHandle(ddeInstance,
		    TCL_DDE_SERVICE_NAME, CP_WINANSI);
	    returnPtr[i].hszTopic = DdeCreateStringHandle(ddeInstance,
		    riPtr->name, CP_WINANSI);
	}
	returnPtr[i].hszSvc = NULL;
	returnPtr[i].hszTopic = NULL;
	DdeUnaccessData(ddeReturn);
	return ddeReturn;
    }

................................................................................
 *
 *----------------------------------------------------------------------
 */

static int
MakeDdeConnection(
    Tcl_Interp *interp,		/* Used to report errors. */
    const char *name,		/* The connection to use. */
    HCONV *ddeConvPtr)
{
    HSZ ddeTopic, ddeService;
    HCONV ddeConv;

    ddeService = DdeCreateStringHandle(ddeInstance, TCL_DDE_SERVICE_NAME, 0);
    ddeTopic = DdeCreateStringHandle(ddeInstance, name, 0);

    ddeConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
    DdeFreeStringHandle(ddeInstance, ddeService);
    DdeFreeStringHandle(ddeInstance, ddeTopic);

    if (ddeConv == (HCONV) NULL) {
	if (interp != NULL) {




	    Tcl_AppendResult(interp, "no registered server named \"",
		    name, "\"", NULL);


	}
	return TCL_ERROR;
    }

    *ddeConvPtr = ddeConv;
    return TCL_OK;
}
................................................................................
 *	Sets the services list into the interp result.
 *
 *----------------------------------------------------------------------
 */

static int
DdeCreateClient(
    struct DdeEnumServices *es)
{
    WNDCLASSEX wc;
    static const char *szDdeClientClassName = "TclEval client class";
    static const char *szDdeClientWindowName = "TclEval client window";

    memset(&wc, 0, sizeof(wc));
    wc.cbSize = sizeof(wc);
    wc.lpfnWndProc = DdeClientWindowProc;
    wc.lpszClassName = szDdeClientClassName;
    wc.cbWndExtra = sizeof(struct DdeEnumServices *);

    /*
     * Register and create the callback window.
     */

    RegisterClassEx(&wc);
    es->hwnd = CreateWindowEx(0, szDdeClientClassName, szDdeClientWindowName,
................................................................................
    UINT uMsg,			/* The type of message received */
    WPARAM wParam,
    LPARAM lParam)		/* (Potentially) our local handle */
{
    switch (uMsg) {
    case WM_CREATE: {
	LPCREATESTRUCT lpcs = (LPCREATESTRUCT) lParam;
	struct DdeEnumServices *es =
		(struct DdeEnumServices *) lpcs->lpCreateParams;

#ifdef _WIN64
	SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR) es);
#else
	SetWindowLong(hwnd, GWL_USERDATA, (LONG) es);
#endif
	return (LRESULT) 0L;
................................................................................
    HWND hwnd,
    WPARAM wParam,
    LPARAM lParam)
{
    HWND hwndRemote = (HWND)wParam;
    ATOM service = (ATOM)LOWORD(lParam);
    ATOM topic = (ATOM)HIWORD(lParam);
    struct DdeEnumServices *es;
    char sz[255];


#ifdef _WIN64
    es = (struct DdeEnumServices *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
#else
    es = (struct DdeEnumServices *) GetWindowLong(hwnd, GWL_USERDATA);
#endif

    if ((es->service == (ATOM)0 || es->service == service)
	    && (es->topic == (ATOM)0 || es->topic == topic)) {
	Tcl_Obj *matchPtr = Tcl_NewListObj(0, NULL);
	Tcl_Obj *resultPtr = Tcl_GetObjResult(es->interp);

	GlobalGetAtomName(service, sz, 255);

	Tcl_ListObjAppendElement(NULL, matchPtr, Tcl_NewStringObj(sz, -1));

	GlobalGetAtomName(topic, sz, 255);

	Tcl_ListObjAppendElement(NULL, matchPtr, Tcl_NewStringObj(sz, -1));


	/*
	 * Adding the hwnd as a third list element provides a unique
	 * identifier in the case of multiple servers with the name
	 * application and topic names.
	 */
	/*
................................................................................
 
static BOOL CALLBACK
DdeEnumWindowsCallback(
    HWND hwndTarget,
    LPARAM lParam)
{
    DWORD_PTR dwResult = 0;
    struct DdeEnumServices *es = (struct DdeEnumServices *) lParam;

    SendMessageTimeout(hwndTarget, WM_DDE_INITIATE, (WPARAM)es->hwnd,
	    MAKELONG(es->service, es->topic), SMTO_ABORTIFHUNG, 1000,
	    &dwResult);
    return TRUE;
}
 
static int
DdeGetServicesList(
    Tcl_Interp *interp,
    const char *serviceName,
    const char *topicName)
{
    struct DdeEnumServices es;

    es.interp = interp;
    es.result = TCL_OK;
    es.service = (serviceName == NULL)
	    ? (ATOM)0 : GlobalAddAtom(serviceName);
    es.topic = (topicName == NULL) ? (ATOM)0 : GlobalAddAtom(topicName);

................................................................................
 *----------------------------------------------------------------------
 */

static void
SetDdeError(
    Tcl_Interp *interp)	    /* The interp to put the message in. */
{
    const char *errorMessage;

    switch (DdeGetLastError(ddeInstance)) {
    case DMLERR_DATAACKTIMEOUT:
    case DMLERR_EXECACKTIMEOUT:
    case DMLERR_POKEACKTIMEOUT:
	errorMessage = "remote interpreter did not respond";

	break;
    case DMLERR_BUSY:
	errorMessage = "remote server is busy";

	break;
    case DMLERR_NOTPROCESSED:
	errorMessage = "remote server cannot handle this command";

	break;
    default:
	errorMessage = "dde command failed";

    }

    Tcl_SetObjResult(interp, Tcl_NewStringObj(errorMessage, -1));

}
 
/*
 *----------------------------------------------------------------------
 *
 * DdeObjCmd --
 *
................................................................................
static int
DdeObjCmd(
    ClientData clientData,	/* Used only for deletion */
    Tcl_Interp *interp,		/* The interp we are sending from */
    int objc,			/* Number of arguments */
    Tcl_Obj *const *objv)	/* The arguments */
{
    static const char *ddeCommands[] = {
	"servername", "execute", "poke", "request", "services", "eval",
	(char *) NULL};
    enum DdeSubcommands {
	DDE_SERVERNAME, DDE_EXECUTE, DDE_POKE, DDE_REQUEST, DDE_SERVICES,
	DDE_EVAL
    };
    static const char *ddeSrvOptions[] = {
	"-force", "-handler", "--", NULL
    };
    enum DdeSrvOptions {
	DDE_SERVERNAME_EXACT, DDE_SERVERNAME_HANDLER, DDE_SERVERNAME_LAST,
    };
    static const char *ddeExecOptions[] = {






	"-async", NULL
    };
    static const char *ddeReqOptions[] = {
	"-binary", NULL
    };

    int index, i, length, argIndex;

    int flags = 0, result = TCL_OK, firstArg = 0;
    HSZ ddeService = NULL, ddeTopic = NULL, ddeItem = NULL, ddeCookie = NULL;
    HDDEDATA ddeData = NULL, ddeItemData = NULL, ddeReturn;
    HCONV hConv = NULL;
    const char *serviceName = NULL, *topicName = NULL, *string;

    DWORD ddeResult;
    Tcl_Obj *objPtr, *handlerPtr = NULL;


    /*
     * Initialize DDE server/client
     */

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "command ?arg ...?");
................................................................................
    }

    if (Tcl_GetIndexFromObj(interp, objv[1], ddeCommands, "command", 0,
	    &index) != TCL_OK) {
	return TCL_ERROR;
    }




    switch ((enum DdeSubcommands) index) {
    case DDE_SERVERNAME:
	for (i = 2; i < objc; i++) {
	    if (Tcl_GetIndexFromObj(interp, objv[i], ddeSrvOptions,
		    "option", 0, &argIndex) != TCL_OK) {
		/*
		 * If it is the last argument, it might be a server name
................................................................................

	firstArg = (objc == i) ? 1 : i;
	break;
    case DDE_EXECUTE:
	if (objc == 5) {
	    firstArg = 2;
	    break;
	} else if (objc == 6) {


	    if (Tcl_GetIndexFromObj(NULL, objv[2], ddeExecOptions, "option", 0,
		    &argIndex) == TCL_OK) {



		flags |= DDE_FLAG_ASYNC;
		firstArg = 3;
		break;


	    }
	}


	/* otherwise... */

	Tcl_WrongNumArgs(interp, 2, objv,
		"?-async? serviceName topicName value");
	return TCL_ERROR;
    case DDE_POKE:
	if (objc != 6) {













	    Tcl_WrongNumArgs(interp, 2, objv,
		    "serviceName topicName item value");
	    return TCL_ERROR;
	}
	firstArg = 2;
	break;
    case DDE_REQUEST:
	if (objc == 5) {
	    firstArg = 2;
	    break;
	} else if (objc == 6) {
	    int dummy;
	    if (Tcl_GetIndexFromObj(NULL, objv[2], ddeReqOptions, "option", 0,
		    &dummy) == TCL_OK) {
		flags |= DDE_FLAG_BINARY;
		firstArg = 3;
		break;
	    }
	}

	/*
	 * Otherwise ...
	 */

	Tcl_WrongNumArgs(interp, 2, objv,
................................................................................
    case DDE_EVAL:
	if (objc < 4) {
	wrongDdeEvalArgs:
	    Tcl_WrongNumArgs(interp, 2, objv, "?-async? serviceName args");
	    return TCL_ERROR;
	} else {
	    firstArg = 2;
	    if (Tcl_GetIndexFromObj(NULL, objv[2], ddeExecOptions, "option",
		    0, &argIndex) == TCL_OK) {
		if (objc < 5) {
		    goto wrongDdeEvalArgs;
		}
		flags |= DDE_FLAG_ASYNC;
		firstArg++;
	    }
................................................................................
	    break;
	}
    }

    Initialize();

    if (firstArg != 1) {
	serviceName = Tcl_GetStringFromObj(objv[firstArg], &length);





    } else {
	length = 0;
    }

    if (length == 0) {
	serviceName = NULL;
    } else if ((index != DDE_SERVERNAME) && (index != DDE_EVAL)) {
	ddeService = DdeCreateStringHandle(ddeInstance, (void *) serviceName,
		CP_WINANSI);
    }

    if ((index != DDE_SERVERNAME) && (index != DDE_EVAL)) {


	topicName = Tcl_GetStringFromObj(objv[firstArg + 1], &length);


	if (length == 0) {
	    topicName = NULL;
	} else {
	    ddeTopic = DdeCreateStringHandle(ddeInstance, (void *) topicName,
		    CP_WINANSI);
	}
    }

    switch ((enum DdeSubcommands) index) {
    case DDE_SERVERNAME:
	serviceName = DdeSetServerName(interp, serviceName, flags,
		handlerPtr);
	if (serviceName != NULL) {



	    Tcl_SetObjResult(interp, Tcl_NewStringObj(serviceName, -1));


	} else {
	    Tcl_ResetResult(interp);
	}
	break;

    case DDE_EXECUTE: {
	int dataLength;





	BYTE *dataString = (BYTE *) Tcl_GetStringFromObj(
		objv[firstArg + 2], &dataLength);










	if (dataLength == 0) {
	    Tcl_SetObjResult(interp,
		    Tcl_NewStringObj("cannot execute null data", -1));


	    result = TCL_ERROR;
	    break;
	}
	hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
	DdeFreeStringHandle(ddeInstance, ddeService);
	DdeFreeStringHandle(ddeInstance, ddeTopic);

	if (hConv == NULL) {

	    SetDdeError(interp);
	    result = TCL_ERROR;
	    break;
	}

	ddeData = DdeCreateDataHandle(ddeInstance, dataString,
		(DWORD) dataLength+1, 0, 0, CF_TEXT, 0);
	if (ddeData != NULL) {
	    if (flags & DDE_FLAG_ASYNC) {
		DdeClientTransaction((LPBYTE) ddeData, 0xFFFFFFFF, hConv, 0,
			CF_TEXT, XTYP_EXECUTE, TIMEOUT_ASYNC, &ddeResult);
		DdeAbandonTransaction(ddeInstance, hConv, ddeResult);
	    } else {
		ddeReturn = DdeClientTransaction((LPBYTE) ddeData, 0xFFFFFFFF,
			hConv, 0, CF_TEXT, XTYP_EXECUTE, 30000, NULL);
		if (ddeReturn == 0) {
		    SetDdeError(interp);
		    result = TCL_ERROR;
		}
	    }
	    DdeFreeDataHandle(ddeData);
	} else {
	    SetDdeError(interp);
	    result = TCL_ERROR;
	}

	break;
    }
    case DDE_REQUEST: {



	const char *itemString = Tcl_GetStringFromObj(objv[firstArg + 2],
		&length);




	if (length == 0) {
	    Tcl_SetObjResult(interp,
		    Tcl_NewStringObj("cannot request value of null data", -1));

	    result = TCL_ERROR;
	    goto cleanup;
	}
	hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
	DdeFreeStringHandle(ddeInstance, ddeService);
	DdeFreeStringHandle(ddeInstance, ddeTopic);

	if (hConv == NULL) {
	    SetDdeError(interp);
	    result = TCL_ERROR;
	} else {
	    Tcl_Obj *returnObjPtr;
	    ddeItem = DdeCreateStringHandle(ddeInstance, (void *)itemString,
		    CP_WINANSI);
	    if (ddeItem != NULL) {
		ddeData = DdeClientTransaction(NULL, 0, hConv, ddeItem,
			CF_TEXT, XTYP_REQUEST, 5000, NULL);
		if (ddeData == NULL) {
		    SetDdeError(interp);
		    result = TCL_ERROR;
		} else {
		    DWORD tmp;
		    const char *dataString = (const char *) DdeAccessData(ddeData, &tmp);

		    if (flags & DDE_FLAG_BINARY) {
			returnObjPtr =
				Tcl_NewByteArrayObj((BYTE *) dataString, (int) tmp);
		    } else {



			if (tmp && !dataString[tmp-1]) {
			    --tmp;

			}

			returnObjPtr = Tcl_NewStringObj(dataString,
				(int) tmp);



		    }
		    DdeUnaccessData(ddeData);
		    DdeFreeDataHandle(ddeData);
		    Tcl_SetObjResult(interp, returnObjPtr);
		}
	    } else {
		SetDdeError(interp);
		result = TCL_ERROR;
	    }
	}

	break;
    }
    case DDE_POKE: {
	const char *itemString = Tcl_GetStringFromObj(objv[firstArg + 2],
		&length);
	BYTE *dataString;






	if (length == 0) {
	    Tcl_SetObjResult(interp,
		    Tcl_NewStringObj("cannot have a null item", -1));

	    result = TCL_ERROR;
	    goto cleanup;
	}


	dataString = (BYTE *) Tcl_GetStringFromObj(objv[firstArg + 3],
		&length);










	hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
	DdeFreeStringHandle(ddeInstance, ddeService);
	DdeFreeStringHandle(ddeInstance, ddeTopic);

	if (hConv == NULL) {
	    SetDdeError(interp);
	    result = TCL_ERROR;
	} else {
	    ddeItem = DdeCreateStringHandle(ddeInstance, (void *) itemString,
		    CP_WINANSI);
	    if (ddeItem != NULL) {
		ddeData = DdeClientTransaction(dataString, (DWORD) length+1,
			hConv, ddeItem, CF_TEXT, XTYP_POKE, 5000, NULL);
		if (ddeData == NULL) {
		    SetDdeError(interp);
		    result = TCL_ERROR;
		}
	    } else {
		SetDdeError(interp);
		result = TCL_ERROR;
	    }
	}

	break;
    }

    case DDE_SERVICES:
	result = DdeGetServicesList(interp, serviceName, topicName);
	break;

................................................................................
    case DDE_EVAL: {
	RegisteredInterp *riPtr;
	ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

	if (serviceName == NULL) {
	    Tcl_SetObjResult(interp,
		    Tcl_NewStringObj("invalid service name \"\"", -1));

	    result = TCL_ERROR;
	    goto cleanup;
	}

	objc -= firstArg + 1;
	objv += firstArg + 1;

................................................................................
	 * producing a bytecode structure that refers to other objects owned
	 * by the target interp. If the target interp is then deleted, the
	 * bytecode structure would be referring to deallocated objects.
	 */

	for (riPtr = tsdPtr->interpListPtr; riPtr != NULL;
		riPtr = riPtr->nextPtr) {
	    if (stricmp(serviceName, riPtr->name) == 0) {
		break;
	    }
	}

	if (riPtr != NULL) {
	    Tcl_Interp *sendInterp;

	    /*
	     * This command is to a local interp. No need to go through the
	     * server.
	     */

	    Tcl_Preserve((ClientData) riPtr);
	    sendInterp = riPtr->interp;
	    Tcl_Preserve((ClientData) sendInterp);

	    /*
	     * Don't exchange objects between interps. The target interp would
	     * compile an object, producing a bytecode structure that refers
	     * to other objects owned by the target interp. If the target
	     * interp is then deleted, the bytecode structure would be
	     * referring to deallocated objects.
	     */

	    if (Tcl_IsSafe(riPtr->interp) && riPtr->handlerPtr == NULL) {
		Tcl_SetResult(riPtr->interp, "permission denied: "
			"a handler procedure must be defined for use in "
			"a safe interp", TCL_STATIC);


		result = TCL_ERROR;
	    }

	    if (result == TCL_OK) {
		if (objc == 1)
		    objPtr = objv[0];
		else {
................................................................................
		     * the destination interpreter back to our interpreter.
		     */

		    Tcl_ResetResult(interp);
		    objPtr = Tcl_GetVar2Ex(sendInterp, "errorInfo", NULL,
			    TCL_GLOBAL_ONLY);
		    if (objPtr) {
			string = Tcl_GetStringFromObj(objPtr, &length);
			Tcl_AddObjErrorInfo(interp, string, length);
		    }

		    objPtr = Tcl_GetVar2Ex(sendInterp, "errorCode", NULL,
			    TCL_GLOBAL_ONLY);
		    if (objPtr) {
			Tcl_SetObjErrorCode(interp, objPtr);
		    }
		}
		Tcl_SetObjResult(interp, Tcl_GetObjResult(sendInterp));
	    }
	    Tcl_Release((ClientData) riPtr);
	    Tcl_Release((ClientData) sendInterp);
	} else {


	    /*
	     * This is a non-local request. Send the script to the server and
	     * poll it for a result.
	     */

	    if (MakeDdeConnection(interp, serviceName, &hConv) != TCL_OK) {
	    invalidServerResponse:
		Tcl_SetObjResult(interp,
			Tcl_NewStringObj("invalid data returned from server",
			-1));
		result = TCL_ERROR;
		goto cleanup;
	    }

	    objPtr = Tcl_ConcatObj(objc, objv);
	    string = Tcl_GetStringFromObj(objPtr, &length);




	    ddeItemData = DdeCreateDataHandle(ddeInstance,
		    (BYTE *) string, (DWORD) length+1, 0, 0, CF_TEXT, 0);



	    if (flags & DDE_FLAG_ASYNC) {
		ddeData = DdeClientTransaction((LPBYTE) ddeItemData,
			0xFFFFFFFF, hConv, 0,
			CF_TEXT, XTYP_EXECUTE, TIMEOUT_ASYNC, &ddeResult);
		DdeAbandonTransaction(ddeInstance, hConv, ddeResult);
	    } else {
		ddeData = DdeClientTransaction((LPBYTE) ddeItemData,
			0xFFFFFFFF, hConv, 0,
			CF_TEXT, XTYP_EXECUTE, 30000, NULL);
		if (ddeData != 0) {
		    ddeCookie = DdeCreateStringHandle(ddeInstance,
			    TCL_DDE_EXECUTE_RESULT, CP_WINANSI);
		    ddeData = DdeClientTransaction(NULL, 0, hConv, ddeCookie,
			    CF_TEXT, XTYP_REQUEST, 30000, NULL);
		}
	    }

	    Tcl_DecrRefCount(objPtr);

	    if (ddeData == 0) {
		SetDdeError(interp);
		result = TCL_ERROR;

	    }

	    if (!(flags & DDE_FLAG_ASYNC)) {
		Tcl_Obj *resultPtr;


		/*
		 * The return handle has a two or four element list in it. The
		 * first element is the return code (TCL_OK, TCL_ERROR, etc.).
		 * The second is the result of the script. If the return code
		 * is TCL_ERROR, then the third element is the value of the
		 * variable "errorCode", and the fourth is the value of the
		 * variable "errorInfo".
		 */

		resultPtr = Tcl_NewObj();
		length = DdeGetData(ddeData, NULL, 0, 0);
		Tcl_SetObjLength(resultPtr, length);
		string = Tcl_GetString(resultPtr);
		DdeGetData(ddeData, (BYTE *) string, (DWORD) length, 0);
		Tcl_SetObjLength(resultPtr, (int) strlen(string));






		if (Tcl_ListObjIndex(NULL, resultPtr, 0, &objPtr) != TCL_OK) {
		    Tcl_DecrRefCount(resultPtr);
		    goto invalidServerResponse;
		}
		if (Tcl_GetIntFromObj(NULL, objPtr, &result) != TCL_OK) {
		    Tcl_DecrRefCount(resultPtr);
................................................................................
		    Tcl_ResetResult(interp);

		    if (Tcl_ListObjIndex(NULL, resultPtr, 3,
			    &objPtr) != TCL_OK) {
			Tcl_DecrRefCount(resultPtr);
			goto invalidServerResponse;
		    }
		    length = -1;
		    string = Tcl_GetStringFromObj(objPtr, &length);
		    Tcl_AddObjErrorInfo(interp, string, length);

		    Tcl_ListObjIndex(NULL, resultPtr, 2, &objPtr);
		    Tcl_SetObjErrorCode(interp, objPtr);
		}
		if (Tcl_ListObjIndex(NULL, resultPtr, 1, &objPtr) != TCL_OK) {
		    Tcl_DecrRefCount(resultPtr);
		    goto invalidServerResponse;
................................................................................
    }
    if (ddeData != NULL) {
	DdeFreeDataHandle(ddeData);
    }
    if (hConv != NULL) {
	DdeDisconnect(hConv);
    }



    return result;
}
 
/*
 * Local variables:
 * mode: c
 * indent-tabs-mode: t
 * tab-width: 8
 * c-basic-offset: 4
 * fill-column: 78
 * End:
 */







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 *
 * Copyright (c) 1997 by Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#undef STATIC_BUILD
#ifndef USE_TCL_STUBS
#   define USE_TCL_STUBS
#endif
#include "tclInt.h"

#include <dde.h>
#include <ddeml.h>
#include <tchar.h>





#if !defined(NDEBUG)
    /* test POKE server Implemented for debug mode only */

#   undef CBF_FAIL_POKES
#   define CBF_FAIL_POKES 0
#endif

/*
 * The following structure is used to keep track of the interpreters
 * registered by this process.
 */

typedef struct RegisteredInterp {
    struct RegisteredInterp *nextPtr;
				/* The next interp this application knows
				 * about. */
    TCHAR *name;			/* Interpreter's name (malloc-ed). */
    Tcl_Obj *handlerPtr;	/* The server handler command */
    Tcl_Interp *interp;		/* The interpreter attached to this name. */
} RegisteredInterp;

/*
 * Used to keep track of conversations.
 */
................................................................................
    struct Conversation *nextPtr;
				/* The next conversation in the list. */
    RegisteredInterp *riPtr;	/* The info we know about the conversation. */
    HCONV hConv;		/* The DDE handle for this conversation. */
    Tcl_Obj *returnPackagePtr;	/* The result package for this conversation. */
} Conversation;

typedef struct {
    Tcl_Interp *interp;
    int result;
    ATOM service;
    ATOM topic;
    HWND hwnd;
} DdeEnumServices;

typedef struct {
    Conversation *currentConversations;
				/* A list of conversations currently being
				 * processed. */
    RegisteredInterp *interpListPtr;
				/* List of all interpreters registered in the
				 * current process. */
} ThreadSpecificData;
................................................................................
 */

static HSZ ddeServiceGlobal = 0;
static DWORD ddeInstance;	/* The application instance handle given to us
				 * by DdeInitialize. */
static int ddeIsServer = 0;

#define TCL_DDE_VERSION		"1.4.1"
#define TCL_DDE_PACKAGE_NAME	"dde"
#define TCL_DDE_SERVICE_NAME	TEXT("TclEval")
#define TCL_DDE_EXECUTE_RESULT	TEXT("$TCLEVAL$EXECUTE$RESULT")

#define DDE_FLAG_ASYNC 1
#define DDE_FLAG_BINARY 2
#define DDE_FLAG_FORCE 4

TCL_DECLARE_MUTEX(ddeMutex)

/*
 * Forward declarations for functions defined later in this file.
 */

static LRESULT CALLBACK	DdeClientWindowProc(HWND hwnd, UINT uMsg,
			    WPARAM wParam, LPARAM lParam);
static int		DdeCreateClient(DdeEnumServices *es);
static BOOL CALLBACK	DdeEnumWindowsCallback(HWND hwndTarget,
			    LPARAM lParam);
static void		DdeExitProc(ClientData clientData);
static int		DdeGetServicesList(Tcl_Interp *interp,
			    const TCHAR *serviceName, const TCHAR *topicName);
static HDDEDATA CALLBACK DdeServerProc(UINT uType, UINT uFmt, HCONV hConv,
			    HSZ ddeTopic, HSZ ddeItem, HDDEDATA hData,
			    DWORD dwData1, DWORD dwData2);
static LRESULT		DdeServicesOnAck(HWND hwnd, WPARAM wParam,
			    LPARAM lParam);
static void		DeleteProc(ClientData clientData);
static Tcl_Obj *	ExecuteRemoteObject(RegisteredInterp *riPtr,
			    Tcl_Obj *ddeObjectPtr);
static int		MakeDdeConnection(Tcl_Interp *interp,
			    const TCHAR *name, HCONV *ddeConvPtr);
static void		SetDdeError(Tcl_Interp *interp);
static int		DdeObjCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[]);


DLLEXPORT int		Dde_Init(Tcl_Interp *interp);
DLLEXPORT int		Dde_SafeInit(Tcl_Interp *interp);
 
/*
 *----------------------------------------------------------------------
 *
 * Dde_Init --
 *
 *	This function initializes the dde command.
................................................................................
{
    if (!Tcl_InitStubs(interp, "8.1", 0)) {
	return TCL_ERROR;
    }

    Tcl_CreateObjCommand(interp, "dde", DdeObjCmd, NULL, NULL);
    Tcl_CreateExitHandler(DdeExitProc, NULL);
    return Tcl_PkgProvide(interp, TCL_DDE_PACKAGE_NAME, TCL_DDE_VERSION);
}
 
/*
 *----------------------------------------------------------------------
 *
 * Dde_SafeInit --
 *
................................................................................
    }
    if ((ddeServiceGlobal == 0) && (nameFound != 0)) {
	Tcl_MutexLock(&ddeMutex);
	if ((ddeServiceGlobal == 0) && (nameFound != 0)) {
	    ddeIsServer = 1;
	    Tcl_CreateExitHandler(DdeExitProc, NULL);
	    ddeServiceGlobal = DdeCreateStringHandle(ddeInstance,
		    TCL_DDE_SERVICE_NAME, CP_WINUNICODE);
	    DdeNameService(ddeInstance, ddeServiceGlobal, 0L, DNS_REGISTER);
	} else {
	    ddeIsServer = 0;
	}
	Tcl_MutexUnlock(&ddeMutex);
    }
}
................................................................................
 *	"send" command is created in the application's interpreter. The
 *	registration will be removed automatically if the interpreter is
 *	deleted or the "send" command is removed.
 *
 *----------------------------------------------------------------------
 */

static const TCHAR *
DdeSetServerName(
    Tcl_Interp *interp,
    const TCHAR *name, /* The name that will be used to refer to the
				 * interpreter in later "send" commands. Must
				 * be globally unique. */
    int flags,		/* DDE_FLAG_FORCE or 0 */
    Tcl_Obj *handlerPtr)	/* Name of the optional proc/command to handle
				 * incoming Dde eval's */
{
    int suffix, offset;
    RegisteredInterp *riPtr, *prevPtr;
    Tcl_DString dString;
    const TCHAR *actualName;
    Tcl_Obj *srvListPtr = NULL, **srvPtrPtr = NULL;
    int n, srvCount = 0, lastSuffix, r = TCL_OK;
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

    /*
     * See if the application is already registered; if so, remove its current
     * name from the registry. The deletion of the command will take care of
................................................................................

    if (name == NULL) {
	/*
	 * The name was NULL, so the caller is asking for the name of the
	 * current interp, but it doesn't have a name.
	 */

	return TEXT("");
    }

    /*
     * Get the list of currently registered Tcl interpreters by calling the
     * internal implementation of the 'dde services' command.
     */

................................................................................
	    srvListPtr = Tcl_GetObjResult(interp);
	}
	if (r == TCL_OK) {
	    r = Tcl_ListObjGetElements(interp, srvListPtr, &srvCount,
		    &srvPtrPtr);
	}
	if (r != TCL_OK) {
	    Tcl_WinUtfToTChar(Tcl_GetStringResult(interp), -1, &dString);
	    OutputDebugString((TCHAR *) Tcl_DStringValue(&dString));
	    Tcl_DStringFree(&dString);
	    return NULL;
	}

	/*
	 * Pick a name to use for the application. Use "name" if it's not
	 * already in use. Otherwise add a suffix such as " #2", trying larger
	 * and larger numbers until we eventually find one that is unique.
................................................................................
	offset = lastSuffix = 0;
	suffix = 1;

	while (suffix != lastSuffix) {
	    lastSuffix = suffix;
	    if (suffix > 1) {
		if (suffix == 2) {
		    Tcl_DStringAppend(&dString, (char *)name, _tcslen(name) * sizeof(TCHAR));
		    Tcl_DStringAppend(&dString, (char *)TEXT(" #"), 2 * sizeof(TCHAR));
		    offset = Tcl_DStringLength(&dString);
		    Tcl_DStringSetLength(&dString, offset + sizeof(TCHAR) * TCL_INTEGER_SPACE);
		    actualName = (TCHAR *) Tcl_DStringValue(&dString);
		}
		_sntprintf((TCHAR *) (Tcl_DStringValue(&dString) + offset),
			TCL_INTEGER_SPACE, TEXT("%d"), suffix);
	    }

	    /*
	     * See if the name is already in use, if so increment suffix.
	     */

	    for (n = 0; n < srvCount; ++n) {
		Tcl_Obj* namePtr;
		Tcl_DString ds;

		Tcl_ListObjIndex(interp, srvPtrPtr[n], 1, &namePtr);

		Tcl_WinUtfToTChar(Tcl_GetString(namePtr), -1, &ds);
		if (_tcscmp(actualName, (TCHAR *)Tcl_DStringValue(&ds)) == 0) {
		    suffix++;
		    Tcl_DStringFree(&ds);
		    break;
		}
		Tcl_DStringFree(&ds);
	    }
	}


    }

    /*
     * We have found a unique name. Now add it to the registry.
     */

    riPtr = (RegisteredInterp *) Tcl_Alloc(sizeof(RegisteredInterp));
    riPtr->interp = interp;
    riPtr->name = (TCHAR *) Tcl_Alloc((_tcslen(actualName) + 1) * sizeof(TCHAR));
    riPtr->nextPtr = tsdPtr->interpListPtr;
    riPtr->handlerPtr = handlerPtr;
    if (riPtr->handlerPtr != NULL) {
	Tcl_IncrRefCount(riPtr->handlerPtr);
    }
    tsdPtr->interpListPtr = riPtr;
    _tcscpy(riPtr->name, actualName);

    if (Tcl_IsSafe(interp)) {
	Tcl_ExposeCommand(interp, "dde", "dde");
    }

    Tcl_CreateObjCommand(interp, "dde", DdeObjCmd,
	    riPtr, DeleteProc);
    if (Tcl_IsSafe(interp)) {
	Tcl_HideCommand(interp, "dde", "dde");
    }
    Tcl_DStringFree(&dString);

    /*
     * Re-initialize with the new name.
................................................................................
    if (searchPtr != NULL) {
	if (prevPtr == NULL) {
	    tsdPtr->interpListPtr = tsdPtr->interpListPtr->nextPtr;
	} else {
	    prevPtr->nextPtr = searchPtr->nextPtr;
	}
    }
    Tcl_Free((char *) riPtr->name);
    if (riPtr->handlerPtr) {
	Tcl_DecrRefCount(riPtr->handlerPtr);
    }
    Tcl_EventuallyFree(clientData, TCL_DYNAMIC);
}
 
/*
................................................................................
ExecuteRemoteObject(
    RegisteredInterp *riPtr,	    /* Info about this server. */
    Tcl_Obj *ddeObjectPtr)	    /* The object to execute. */
{
    Tcl_Obj *returnPackagePtr;
    int result = TCL_OK;

    if ((riPtr->handlerPtr == NULL) && Tcl_IsSafe(riPtr->interp)) {
	Tcl_SetObjResult(riPtr->interp, Tcl_NewStringObj("permission denied: "
		"a handler procedure must be defined for use in a safe "
		"interp", -1));
	Tcl_SetErrorCode(riPtr->interp, "TCL", "DDE", "SECURITY_CHECK", NULL);
	result = TCL_ERROR;
    }

    if (riPtr->handlerPtr != NULL) {
	/*
	 * Add the dde request data to the handler proc list.
	 */
................................................................................
    HSZ ddeTopic, HSZ ddeItem,	/* String handles. Transaction-type
				 * dependent. */
    HDDEDATA hData,		/* DDE data. Transaction-type dependent. */
    DWORD dwData1, DWORD dwData2)
				/* Transaction-dependent data. */
{
    Tcl_DString dString;
    size_t len;
    DWORD dlen;
    TCHAR *utilString;
    Tcl_Obj *ddeObjectPtr;
    HDDEDATA ddeReturn = NULL;
    RegisteredInterp *riPtr;
    Conversation *convPtr, *prevConvPtr;
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

    switch(uType) {
    case XTYP_CONNECT:
	/*
	 * Dde is trying to initialize a conversation with us. Check and make
	 * sure we have a valid topic.
	 */

	len = DdeQueryString(ddeInstance, ddeTopic, NULL, 0, CP_WINUNICODE);
	Tcl_DStringInit(&dString);
	Tcl_DStringSetLength(&dString, (len + 1) * sizeof(TCHAR) - 1);
	utilString = (TCHAR *) Tcl_DStringValue(&dString);
	DdeQueryString(ddeInstance, ddeTopic, utilString, (DWORD) len + 1,
		CP_WINUNICODE);

	for (riPtr = tsdPtr->interpListPtr; riPtr != NULL;
		riPtr = riPtr->nextPtr) {
	    if (_tcsicmp(utilString, riPtr->name) == 0) {
		Tcl_DStringFree(&dString);
		return (HDDEDATA) TRUE;
	    }
	}

	Tcl_DStringFree(&dString);
	return (HDDEDATA) FALSE;
................................................................................
    case XTYP_CONNECT_CONFIRM:
	/*
	 * Dde has decided that we can connect, so it gives us a conversation
	 * handle. We need to keep track of it so we know which execution
	 * result to return in an XTYP_REQUEST.
	 */

	len = DdeQueryString(ddeInstance, ddeTopic, NULL, 0, CP_WINUNICODE);
	Tcl_DStringInit(&dString);
	Tcl_DStringSetLength(&dString,  (len + 1) * sizeof(TCHAR) - 1);
	utilString = (TCHAR *) Tcl_DStringValue(&dString);
	DdeQueryString(ddeInstance, ddeTopic, utilString, (DWORD) len + 1,
		CP_WINUNICODE);
	for (riPtr = tsdPtr->interpListPtr; riPtr != NULL;
		riPtr = riPtr->nextPtr) {
	    if (_tcsicmp(riPtr->name, utilString) == 0) {
		convPtr = (Conversation *) Tcl_Alloc(sizeof(Conversation));
		convPtr->nextPtr = tsdPtr->currentConversations;
		convPtr->returnPackagePtr = NULL;
		convPtr->hConv = hConv;
		convPtr->riPtr = riPtr;
		tsdPtr->currentConversations = convPtr;
		break;
	    }
................................................................................
		    tsdPtr->currentConversations = convPtr->nextPtr;
		} else {
		    prevConvPtr->nextPtr = convPtr->nextPtr;
		}
		if (convPtr->returnPackagePtr != NULL) {
		    Tcl_DecrRefCount(convPtr->returnPackagePtr);
		}
		Tcl_Free((char *) convPtr);
		break;
	    }
	}
	return (HDDEDATA) TRUE;

    case XTYP_REQUEST:
	/*
................................................................................
		&& (convPtr->hConv != hConv); convPtr = convPtr->nextPtr) {
	    /*
	     * Empty loop body.
	     */
	}

	if (convPtr != NULL) {
	    Tcl_DString dsBuf;
	    char *returnString;

	    len = DdeQueryString(ddeInstance, ddeItem, NULL, 0, CP_WINUNICODE);
	    Tcl_DStringInit(&dString);
	    Tcl_DStringInit(&dsBuf);
	    Tcl_DStringSetLength(&dString, (len + 1) * sizeof(TCHAR) - 1);
	    utilString = (TCHAR *) Tcl_DStringValue(&dString);
	    DdeQueryString(ddeInstance, ddeItem, utilString, (DWORD) len + 1,
		    CP_WINUNICODE);
	    if (_tcsicmp(utilString, TCL_DDE_EXECUTE_RESULT) == 0) {

		returnString =
			Tcl_GetString(convPtr->returnPackagePtr);


		len = convPtr->returnPackagePtr->length;
		if (uFmt != CF_TEXT) {
		    Tcl_WinUtfToTChar(returnString, len, &dsBuf);
		    returnString = Tcl_DStringValue(&dsBuf);
		    len = Tcl_DStringLength(&dsBuf) + sizeof(TCHAR) - 1;
		}
		ddeReturn = DdeCreateDataHandle(ddeInstance, (BYTE *)returnString,
			(DWORD) len+1, 0, ddeItem, uFmt, 0);
	    } else {
		if (Tcl_IsSafe(convPtr->riPtr->interp)) {
		    ddeReturn = NULL;
		} else {
		    Tcl_DString ds;
		    Tcl_Obj *variableObjPtr;

		    Tcl_WinTCharToUtf(utilString, -1, &ds);
		    variableObjPtr = Tcl_GetVar2Ex(
			    convPtr->riPtr->interp, Tcl_DStringValue(&ds), NULL,
			    TCL_GLOBAL_ONLY);
		    if (variableObjPtr != NULL) {
			returnString = Tcl_GetString(variableObjPtr);
			len = variableObjPtr->length;
			if (uFmt != CF_TEXT) {
			    Tcl_WinUtfToTChar(returnString, len, &dsBuf);
			    returnString = Tcl_DStringValue(&dsBuf);
			    len = Tcl_DStringLength(&dsBuf) + sizeof(TCHAR) - 1;
			}
			ddeReturn = DdeCreateDataHandle(ddeInstance,
				(BYTE *)returnString, (DWORD) len+1, 0, ddeItem,
				uFmt, 0);
		    } else {
			ddeReturn = NULL;
		    }
		    Tcl_DStringFree(&ds);
		}
	    }
	    Tcl_DStringFree(&dsBuf);
	    Tcl_DStringFree(&dString);
	}
	return ddeReturn;

#if !CBF_FAIL_POKES
    case XTYP_POKE:
	/*
	 * This is a poke for a Tcl variable, only implemented in
	 * debug/UNICODE mode.
	 */
	ddeReturn = DDE_FNOTPROCESSED;

	if ((uFmt != CF_TEXT) && (uFmt != CF_UNICODETEXT)) {
	    return ddeReturn;
	}

	for (convPtr = tsdPtr->currentConversations; (convPtr != NULL)
		&& (convPtr->hConv != hConv); convPtr = convPtr->nextPtr) {
	    /*
	     * Empty loop body.
	     */
	}

	if (convPtr && !Tcl_IsSafe(convPtr->riPtr->interp)) {
	    Tcl_DString ds, ds2;
	    Tcl_Obj *variableObjPtr;
	    DWORD len2;

	    Tcl_DStringInit(&dString);
	    Tcl_DStringInit(&ds2);
	    len = DdeQueryString(ddeInstance, ddeItem, NULL, 0, CP_WINUNICODE);
	    Tcl_DStringSetLength(&dString, (len + 1) * sizeof(TCHAR) - 1);
	    utilString = (TCHAR *) Tcl_DStringValue(&dString);
	    DdeQueryString(ddeInstance, ddeItem, utilString, (DWORD) len + 1,
		    CP_WINUNICODE);
	    Tcl_WinTCharToUtf(utilString, -1, &ds);
	    utilString = (TCHAR *) DdeAccessData(hData, &len2);
	    len = len2;
	    if (uFmt != CF_TEXT) {
		Tcl_WinTCharToUtf(utilString, -1, &ds2);
		utilString = (TCHAR *) Tcl_DStringValue(&ds2);
	    }
	    variableObjPtr = Tcl_NewStringObj((char *)utilString, -1);

	    Tcl_SetVar2Ex(convPtr->riPtr->interp, Tcl_DStringValue(&ds), NULL,
		    variableObjPtr, TCL_GLOBAL_ONLY);

	    Tcl_DStringFree(&ds2);
	    Tcl_DStringFree(&ds);
	    Tcl_DStringFree(&dString);
		ddeReturn = (HDDEDATA) DDE_FACK;
	}
	return ddeReturn;

#endif
    case XTYP_EXECUTE: {
	/*
	 * Execute this script. The results will be saved into a list object
	 * which will be retreived later. See ExecuteRemoteObject.
	 */

	Tcl_Obj *returnPackagePtr;
	char *string;

	for (convPtr = tsdPtr->currentConversations; (convPtr != NULL)
		&& (convPtr->hConv != hConv); convPtr = convPtr->nextPtr) {
	    /*
	     * Empty loop body.
	     */
	}

	if (convPtr == NULL) {
	    return (HDDEDATA) DDE_FNOTPROCESSED;
	}

	utilString = (TCHAR *) DdeAccessData(hData, &dlen);
	string = (char *) utilString;
	if (!dlen) {
	    /* Empty binary array. */
	    ddeObjectPtr = Tcl_NewObj();
	} else if ((dlen & 1) || utilString[(dlen>>1)-1]) {
	    /* Cannot be unicode, so assume utf-8 */
	    if (!string[dlen-1]) {
		dlen--;
	    }
	    ddeObjectPtr = Tcl_NewStringObj(string, dlen);
	} else {
	    /* unicode */
	    Tcl_DString dsBuf;

	    Tcl_WinTCharToUtf(utilString, dlen - sizeof(TCHAR), &dsBuf);
	    ddeObjectPtr = Tcl_NewStringObj(Tcl_DStringValue(&dsBuf),
		    Tcl_DStringLength(&dsBuf));
	    Tcl_DStringFree(&dsBuf);
	}
	Tcl_IncrRefCount(ddeObjectPtr);
	DdeUnaccessData(hData);
	if (convPtr->returnPackagePtr != NULL) {
	    Tcl_DecrRefCount(convPtr->returnPackagePtr);
	}
	convPtr->returnPackagePtr = NULL;
................................................................................
	ddeReturn = DdeCreateDataHandle(ddeInstance, NULL,
		(numItems + 1) * sizeof(HSZPAIR), 0, 0, 0, 0);
	returnPtr = (HSZPAIR *) DdeAccessData(ddeReturn, &dlen);
	len = dlen;
	for (i = 0, riPtr = tsdPtr->interpListPtr; i < numItems;
		i++, riPtr = riPtr->nextPtr) {
	    returnPtr[i].hszSvc = DdeCreateStringHandle(ddeInstance,
		    TCL_DDE_SERVICE_NAME, CP_WINUNICODE);
	    returnPtr[i].hszTopic = DdeCreateStringHandle(ddeInstance,
		    riPtr->name, CP_WINUNICODE);
	}
	returnPtr[i].hszSvc = NULL;
	returnPtr[i].hszTopic = NULL;
	DdeUnaccessData(ddeReturn);
	return ddeReturn;
    }

................................................................................
 *
 *----------------------------------------------------------------------
 */

static int
MakeDdeConnection(
    Tcl_Interp *interp,		/* Used to report errors. */
    const TCHAR *name,		/* The connection to use. */
    HCONV *ddeConvPtr)
{
    HSZ ddeTopic, ddeService;
    HCONV ddeConv;

    ddeService = DdeCreateStringHandle(ddeInstance, TCL_DDE_SERVICE_NAME, CP_WINUNICODE);
    ddeTopic = DdeCreateStringHandle(ddeInstance, name, CP_WINUNICODE);

    ddeConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
    DdeFreeStringHandle(ddeInstance, ddeService);
    DdeFreeStringHandle(ddeInstance, ddeTopic);

    if (ddeConv == (HCONV) NULL) {
	if (interp != NULL) {
	    Tcl_DString dString;

	    Tcl_WinTCharToUtf(name, -1, &dString);
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "no registered server named \"%s\"", Tcl_DStringValue(&dString)));

	    Tcl_DStringFree(&dString);
	    Tcl_SetErrorCode(interp, "TCL", "DDE", "NO_SERVER", NULL);
	}
	return TCL_ERROR;
    }

    *ddeConvPtr = ddeConv;
    return TCL_OK;
}
................................................................................
 *	Sets the services list into the interp result.
 *
 *----------------------------------------------------------------------
 */

static int
DdeCreateClient(
    DdeEnumServices *es)
{
    WNDCLASSEX wc;
    static const TCHAR *szDdeClientClassName = TEXT("TclEval client class");
    static const TCHAR *szDdeClientWindowName = TEXT("TclEval client window");

    memset(&wc, 0, sizeof(wc));
    wc.cbSize = sizeof(wc);
    wc.lpfnWndProc = DdeClientWindowProc;
    wc.lpszClassName = szDdeClientClassName;
    wc.cbWndExtra = sizeof(DdeEnumServices *);

    /*
     * Register and create the callback window.
     */

    RegisterClassEx(&wc);
    es->hwnd = CreateWindowEx(0, szDdeClientClassName, szDdeClientWindowName,
................................................................................
    UINT uMsg,			/* The type of message received */
    WPARAM wParam,
    LPARAM lParam)		/* (Potentially) our local handle */
{
    switch (uMsg) {
    case WM_CREATE: {
	LPCREATESTRUCT lpcs = (LPCREATESTRUCT) lParam;
	DdeEnumServices *es =
		(DdeEnumServices *) lpcs->lpCreateParams;

#ifdef _WIN64
	SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR) es);
#else
	SetWindowLong(hwnd, GWL_USERDATA, (LONG) es);
#endif
	return (LRESULT) 0L;
................................................................................
    HWND hwnd,
    WPARAM wParam,
    LPARAM lParam)
{
    HWND hwndRemote = (HWND)wParam;
    ATOM service = (ATOM)LOWORD(lParam);
    ATOM topic = (ATOM)HIWORD(lParam);
    DdeEnumServices *es;
    TCHAR sz[255];
    Tcl_DString dString;

#ifdef _WIN64
    es = (DdeEnumServices *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
#else
    es = (DdeEnumServices *) GetWindowLong(hwnd, GWL_USERDATA);
#endif

    if (((es->service == (ATOM)0) || (es->service == service))
	    && ((es->topic == (ATOM)0) || (es->topic == topic))) {
	Tcl_Obj *matchPtr = Tcl_NewListObj(0, NULL);
	Tcl_Obj *resultPtr = Tcl_GetObjResult(es->interp);

	GlobalGetAtomName(service, sz, 255);
	Tcl_WinTCharToUtf(sz, -1, &dString);
	Tcl_ListObjAppendElement(NULL, matchPtr, Tcl_NewStringObj(Tcl_DStringValue(&dString), -1));
	Tcl_DStringFree(&dString);
	GlobalGetAtomName(topic, sz, 255);
	Tcl_WinTCharToUtf(sz, -1, &dString);
	Tcl_ListObjAppendElement(NULL, matchPtr, Tcl_NewStringObj(Tcl_DStringValue(&dString), -1));
	Tcl_DStringFree(&dString);

	/*
	 * Adding the hwnd as a third list element provides a unique
	 * identifier in the case of multiple servers with the name
	 * application and topic names.
	 */
	/*
................................................................................
 
static BOOL CALLBACK
DdeEnumWindowsCallback(
    HWND hwndTarget,
    LPARAM lParam)
{
    DWORD_PTR dwResult = 0;
    DdeEnumServices *es = (DdeEnumServices *) lParam;

    SendMessageTimeout(hwndTarget, WM_DDE_INITIATE, (WPARAM)es->hwnd,
	    MAKELONG(es->service, es->topic), SMTO_ABORTIFHUNG, 1000,
	    &dwResult);
    return TRUE;
}
 
static int
DdeGetServicesList(
    Tcl_Interp *interp,
    const TCHAR *serviceName,
    const TCHAR *topicName)
{
    DdeEnumServices es;

    es.interp = interp;
    es.result = TCL_OK;
    es.service = (serviceName == NULL)
	    ? (ATOM)0 : GlobalAddAtom(serviceName);
    es.topic = (topicName == NULL) ? (ATOM)0 : GlobalAddAtom(topicName);

................................................................................
 *----------------------------------------------------------------------
 */

static void
SetDdeError(
    Tcl_Interp *interp)	    /* The interp to put the message in. */
{
    const char *errorMessage, *errorCode;

    switch (DdeGetLastError(ddeInstance)) {
    case DMLERR_DATAACKTIMEOUT:
    case DMLERR_EXECACKTIMEOUT:
    case DMLERR_POKEACKTIMEOUT:
	errorMessage = "remote interpreter did not respond";
	errorCode = "TIMEOUT";
	break;
    case DMLERR_BUSY:
	errorMessage = "remote server is busy";
	errorCode = "BUSY";
	break;
    case DMLERR_NOTPROCESSED:
	errorMessage = "remote server cannot handle this command";
	errorCode = "NOCANDO";
	break;
    default:
	errorMessage = "dde command failed";
	errorCode = "FAILED";
    }

    Tcl_SetObjResult(interp, Tcl_NewStringObj(errorMessage, -1));
    Tcl_SetErrorCode(interp, "TCL", "DDE", errorCode, NULL);
}
 
/*
 *----------------------------------------------------------------------
 *
 * DdeObjCmd --
 *
................................................................................
static int
DdeObjCmd(
    ClientData clientData,	/* Used only for deletion */
    Tcl_Interp *interp,		/* The interp we are sending from */
    int objc,			/* Number of arguments */
    Tcl_Obj *const *objv)	/* The arguments */
{
    static const char *const ddeCommands[] = {
	"servername", "execute", "poke", "request", "services", "eval",
	(char *) NULL};
    enum DdeSubcommands {
	DDE_SERVERNAME, DDE_EXECUTE, DDE_POKE, DDE_REQUEST, DDE_SERVICES,
	DDE_EVAL
    };
    static const char *const ddeSrvOptions[] = {
	"-force", "-handler", "--", NULL
    };
    enum DdeSrvOptions {
	DDE_SERVERNAME_EXACT, DDE_SERVERNAME_HANDLER, DDE_SERVERNAME_LAST,
    };
    static const char *const ddeExecOptions[] = {
	"-async", "-binary", NULL
    };
    enum DdeExecOptions {
        DDE_EXEC_ASYNC, DDE_EXEC_BINARY
    };
    static const char *const ddeEvalOptions[] = {
	"-async", NULL
    };
    static const char *const ddeReqOptions[] = {
	"-binary", NULL
    };

    int index, i, argIndex;
    int length;
    int flags = 0, result = TCL_OK, firstArg = 0;
    HSZ ddeService = NULL, ddeTopic = NULL, ddeItem = NULL, ddeCookie = NULL;
    HDDEDATA ddeData = NULL, ddeItemData = NULL, ddeReturn;
    HCONV hConv = NULL;
    const TCHAR *serviceName = NULL, *topicName = NULL;
    const char *string;
    DWORD ddeResult;
    Tcl_Obj *objPtr, *handlerPtr = NULL;
    Tcl_DString serviceBuf, topicBuf, itemBuf;

    /*
     * Initialize DDE server/client
     */

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "command ?arg ...?");
................................................................................
    }

    if (Tcl_GetIndexFromObj(interp, objv[1], ddeCommands, "command", 0,
	    &index) != TCL_OK) {
	return TCL_ERROR;
    }

    Tcl_DStringInit(&serviceBuf);
    Tcl_DStringInit(&topicBuf);
    Tcl_DStringInit(&itemBuf);
    switch ((enum DdeSubcommands) index) {
    case DDE_SERVERNAME:
	for (i = 2; i < objc; i++) {
	    if (Tcl_GetIndexFromObj(interp, objv[i], ddeSrvOptions,
		    "option", 0, &argIndex) != TCL_OK) {
		/*
		 * If it is the last argument, it might be a server name
................................................................................

	firstArg = (objc == i) ? 1 : i;
	break;
    case DDE_EXECUTE:
	if (objc == 5) {
	    firstArg = 2;
	    break;
	} else if ((objc >= 6) && (objc <= 7)) {
	    firstArg = objc - 3;
	    for (i = 2; i < firstArg; i++) {
		if (Tcl_GetIndexFromObj(interp, objv[i], ddeExecOptions,
			"option", 0, &argIndex) != TCL_OK) {
		    goto wrongDdeExecuteArgs;
		}
		if (argIndex == DDE_EXEC_ASYNC) {
		    flags |= DDE_FLAG_ASYNC;


		} else {
		    flags |= DDE_FLAG_BINARY;
		}
	    }
	    break;
	}
	/* otherwise... */
    wrongDdeExecuteArgs:
	Tcl_WrongNumArgs(interp, 2, objv,
		"?-async? ?-binary? serviceName topicName value");
	return TCL_ERROR;
    case DDE_POKE:
	if (objc == 6) {
	    firstArg = 2;
	    break;
	} else if ((objc == 7) && (Tcl_GetIndexFromObj(NULL, objv[2],
		ddeReqOptions, "option", 0, &argIndex) == TCL_OK)) {
	    flags |= DDE_FLAG_BINARY;
	    firstArg = 3;
	    break;
	}

	/*
	 * Otherwise...
	 */

	Tcl_WrongNumArgs(interp, 2, objv,
		"?-binary? serviceName topicName item value");
	return TCL_ERROR;



    case DDE_REQUEST:
	if (objc == 5) {
	    firstArg = 2;
	    break;
	} else if ((objc == 6) && (Tcl_GetIndexFromObj(NULL, objv[2],

		ddeReqOptions, "option", 0, &argIndex) == TCL_OK)) {

	    flags |= DDE_FLAG_BINARY;
	    firstArg = 3;
	    break;

	}

	/*
	 * Otherwise ...
	 */

	Tcl_WrongNumArgs(interp, 2, objv,
................................................................................
    case DDE_EVAL:
	if (objc < 4) {
	wrongDdeEvalArgs:
	    Tcl_WrongNumArgs(interp, 2, objv, "?-async? serviceName args");
	    return TCL_ERROR;
	} else {
	    firstArg = 2;
	    if (Tcl_GetIndexFromObj(NULL, objv[2], ddeEvalOptions, "option",
		    0, &argIndex) == TCL_OK) {
		if (objc < 5) {
		    goto wrongDdeEvalArgs;
		}
		flags |= DDE_FLAG_ASYNC;
		firstArg++;
	    }
................................................................................
	    break;
	}
    }

    Initialize();

    if (firstArg != 1) {
	const char *src = Tcl_GetString(objv[firstArg]);

	length = objv[firstArg]->length;
	Tcl_WinUtfToTChar(src, length, &serviceBuf);
	serviceName = (TCHAR *) Tcl_DStringValue(&serviceBuf);
	length = Tcl_DStringLength(&serviceBuf) / sizeof(TCHAR);
    } else {
	length = 0;
    }

    if (length == 0) {
	serviceName = NULL;
    } else if ((index != DDE_SERVERNAME) && (index != DDE_EVAL)) {
	ddeService = DdeCreateStringHandle(ddeInstance, (void *) serviceName,
		CP_WINUNICODE);
    }

    if ((index != DDE_SERVERNAME) && (index != DDE_EVAL)) {
	const char *src = Tcl_GetString(objv[firstArg + 1]);

	length = objv[firstArg + 1]->length;
	topicName = Tcl_WinUtfToTChar(src, length, &topicBuf);
	length = Tcl_DStringLength(&topicBuf) / sizeof(TCHAR);
	if (length == 0) {
	    topicName = NULL;
	} else {
	    ddeTopic = DdeCreateStringHandle(ddeInstance, (void *) topicName,
		    CP_WINUNICODE);
	}
    }

    switch ((enum DdeSubcommands) index) {
    case DDE_SERVERNAME:
	serviceName = DdeSetServerName(interp, serviceName, flags,
		handlerPtr);
	if (serviceName != NULL) {
	    Tcl_DString dsBuf;

	    Tcl_WinTCharToUtf(serviceName, -1, &dsBuf);
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(Tcl_DStringValue(&dsBuf),
		    Tcl_DStringLength(&dsBuf)));
	    Tcl_DStringFree(&dsBuf);
	} else {
	    Tcl_ResetResult(interp);
	}
	break;

    case DDE_EXECUTE: {
	int dataLength;
	const void *dataString;
	Tcl_DString dsBuf;

	Tcl_DStringInit(&dsBuf);
	if (flags & DDE_FLAG_BINARY) {
	    dataString =
		    Tcl_GetByteArrayFromObj(objv[firstArg + 2], &dataLength);
	} else {
	    const char *src;

	    src = Tcl_GetString(objv[firstArg + 2]);
	    dataLength = objv[firstArg + 2]->length;
	    dataString = (const TCHAR *)
		    Tcl_WinUtfToTChar(src, dataLength, &dsBuf);
	    dataLength = Tcl_DStringLength(&dsBuf) + sizeof(TCHAR);
	}

	if (dataLength + 1 < 2) {
	    Tcl_SetObjResult(interp,
		    Tcl_NewStringObj("cannot execute null data", -1));
	    Tcl_DStringFree(&dsBuf);
	    Tcl_SetErrorCode(interp, "TCL", "DDE", "NULL", NULL);
	    result = TCL_ERROR;
	    break;
	}
	hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
	DdeFreeStringHandle(ddeInstance, ddeService);
	DdeFreeStringHandle(ddeInstance, ddeTopic);

	if (hConv == NULL) {
	    Tcl_DStringFree(&dsBuf);
	    SetDdeError(interp);
	    result = TCL_ERROR;
	    break;
	}

	ddeData = DdeCreateDataHandle(ddeInstance, (BYTE *) dataString,
		(DWORD) dataLength, 0, 0, (flags & DDE_FLAG_BINARY) ? CF_TEXT : CF_UNICODETEXT, 0);
	if (ddeData != NULL) {
	    if (flags & DDE_FLAG_ASYNC) {
		DdeClientTransaction((LPBYTE) ddeData, 0xFFFFFFFF, hConv, 0,
			(flags & DDE_FLAG_BINARY) ? CF_TEXT : CF_UNICODETEXT, XTYP_EXECUTE, TIMEOUT_ASYNC, &ddeResult);
		DdeAbandonTransaction(ddeInstance, hConv, ddeResult);
	    } else {
		ddeReturn = DdeClientTransaction((LPBYTE) ddeData, 0xFFFFFFFF,
			hConv, 0, (flags & DDE_FLAG_BINARY) ? CF_TEXT : CF_UNICODETEXT, XTYP_EXECUTE, 30000, NULL);
		if (ddeReturn == 0) {
		    SetDdeError(interp);
		    result = TCL_ERROR;
		}
	    }
	    DdeFreeDataHandle(ddeData);
	} else {
	    SetDdeError(interp);
	    result = TCL_ERROR;
	}
	Tcl_DStringFree(&dsBuf);
	break;
    }
    case DDE_REQUEST: {
	const TCHAR *itemString;
	const char *src;

	src = Tcl_GetString(objv[firstArg + 2]);

	length = objv[firstArg + 2]->length;
	itemString = Tcl_WinUtfToTChar(src, length, &itemBuf);
	length = Tcl_DStringLength(&itemBuf) / sizeof(TCHAR);

	if (length == 0) {
	    Tcl_SetObjResult(interp,
		    Tcl_NewStringObj("cannot request value of null data", -1));
	    Tcl_SetErrorCode(interp, "TCL", "DDE", "NULL", NULL);
	    result = TCL_ERROR;
	    goto cleanup;
	}
	hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
	DdeFreeStringHandle(ddeInstance, ddeService);
	DdeFreeStringHandle(ddeInstance, ddeTopic);

	if (hConv == NULL) {
	    SetDdeError(interp);
	    result = TCL_ERROR;
	} else {
	    Tcl_Obj *returnObjPtr;
	    ddeItem = DdeCreateStringHandle(ddeInstance, (void *) itemString,
		    CP_WINUNICODE);
	    if (ddeItem != NULL) {
		ddeData = DdeClientTransaction(NULL, 0, hConv, ddeItem,
			(flags & DDE_FLAG_BINARY) ? CF_TEXT : CF_UNICODETEXT, XTYP_REQUEST, 5000, NULL);
		if (ddeData == NULL) {
		    SetDdeError(interp);
		    result = TCL_ERROR;
		} else {
		    DWORD tmp;
		    TCHAR *dataString = (TCHAR *) DdeAccessData(ddeData, &tmp);

		    if (flags & DDE_FLAG_BINARY) {
			returnObjPtr =
				Tcl_NewByteArrayObj((BYTE *) dataString, tmp);
		    } else {
			Tcl_DString dsBuf;

			if ((tmp >= sizeof(TCHAR))
				&& !dataString[tmp / sizeof(TCHAR) - 1]) {

			    tmp -= sizeof(TCHAR);
			}
			Tcl_WinTCharToUtf(dataString, tmp, &dsBuf);
			returnObjPtr =

			    Tcl_NewStringObj(Tcl_DStringValue(&dsBuf),
				    Tcl_DStringLength(&dsBuf));
			Tcl_DStringFree(&dsBuf);
		    }
		    DdeUnaccessData(ddeData);
		    DdeFreeDataHandle(ddeData);
		    Tcl_SetObjResult(interp, returnObjPtr);
		}
	    } else {
		SetDdeError(interp);
		result = TCL_ERROR;
	    }
	}

	break;
    }
    case DDE_POKE: {
	Tcl_DString dsBuf;
	const TCHAR *itemString;
	BYTE *dataString;
	const char *src;

	src = Tcl_GetString(objv[firstArg + 2]);
	length = objv[firstArg + 2]->length;
	itemString = Tcl_WinUtfToTChar(src, length, &itemBuf);
	length = Tcl_DStringLength(&itemBuf) / sizeof(TCHAR);
	if (length == 0) {
	    Tcl_SetObjResult(interp,
		    Tcl_NewStringObj("cannot have a null item", -1));
	    Tcl_SetErrorCode(interp, "TCL", "DDE", "NULL", NULL);
	    result = TCL_ERROR;
	    goto cleanup;
	}
	Tcl_DStringInit(&dsBuf);
	if (flags & DDE_FLAG_BINARY) {
	    dataString = (BYTE *)

		    Tcl_GetByteArrayFromObj(objv[firstArg + 3], &length);
	} else {
	    const char *data =
		    Tcl_GetString(objv[firstArg + 3]);
	    length = objv[firstArg + 3]->length;
	    dataString = (BYTE *)
		    Tcl_WinUtfToTChar(data, length, &dsBuf);
	    length = Tcl_DStringLength(&dsBuf) + sizeof(TCHAR);
	}

	hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
	DdeFreeStringHandle(ddeInstance, ddeService);
	DdeFreeStringHandle(ddeInstance, ddeTopic);

	if (hConv == NULL) {
	    SetDdeError(interp);
	    result = TCL_ERROR;
	} else {
	    ddeItem = DdeCreateStringHandle(ddeInstance, (void *) itemString,
		    CP_WINUNICODE);
	    if (ddeItem != NULL) {
		ddeData = DdeClientTransaction(dataString, (DWORD) length,
			hConv, ddeItem, (flags & DDE_FLAG_BINARY) ? CF_TEXT : CF_UNICODETEXT, XTYP_POKE, 5000, NULL);
		if (ddeData == NULL) {
		    SetDdeError(interp);
		    result = TCL_ERROR;
		}
	    } else {
		SetDdeError(interp);
		result = TCL_ERROR;
	    }
	}
	Tcl_DStringFree(&dsBuf);
	break;
    }

    case DDE_SERVICES:
	result = DdeGetServicesList(interp, serviceName, topicName);
	break;

................................................................................
    case DDE_EVAL: {
	RegisteredInterp *riPtr;
	ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

	if (serviceName == NULL) {
	    Tcl_SetObjResult(interp,
		    Tcl_NewStringObj("invalid service name \"\"", -1));
	    Tcl_SetErrorCode(interp, "TCL", "DDE", "NO_SERVER", NULL);
	    result = TCL_ERROR;
	    goto cleanup;
	}

	objc -= firstArg + 1;
	objv += firstArg + 1;

................................................................................
	 * producing a bytecode structure that refers to other objects owned
	 * by the target interp. If the target interp is then deleted, the
	 * bytecode structure would be referring to deallocated objects.
	 */

	for (riPtr = tsdPtr->interpListPtr; riPtr != NULL;
		riPtr = riPtr->nextPtr) {
	    if (_tcsicmp(serviceName, riPtr->name) == 0) {
		break;
	    }
	}

	if (riPtr != NULL) {
	    Tcl_Interp *sendInterp;

	    /*
	     * This command is to a local interp. No need to go through the
	     * server.
	     */

	    Tcl_Preserve(riPtr);
	    sendInterp = riPtr->interp;
	    Tcl_Preserve(sendInterp);

	    /*
	     * Don't exchange objects between interps. The target interp would
	     * compile an object, producing a bytecode structure that refers
	     * to other objects owned by the target interp. If the target
	     * interp is then deleted, the bytecode structure would be
	     * referring to deallocated objects.
	     */

	    if (Tcl_IsSafe(riPtr->interp) && (riPtr->handlerPtr == NULL)) {
		Tcl_SetObjResult(riPtr->interp, Tcl_NewStringObj(
			"permission denied: a handler procedure must be"
			" defined for use in a safe interp", -1));
		Tcl_SetErrorCode(interp, "TCL", "DDE", "SECURITY_CHECK",
			NULL);
		result = TCL_ERROR;
	    }

	    if (result == TCL_OK) {
		if (objc == 1)
		    objPtr = objv[0];
		else {
................................................................................
		     * the destination interpreter back to our interpreter.
		     */

		    Tcl_ResetResult(interp);
		    objPtr = Tcl_GetVar2Ex(sendInterp, "errorInfo", NULL,
			    TCL_GLOBAL_ONLY);
		    if (objPtr) {

			Tcl_AppendObjToErrorInfo(interp, objPtr);
		    }

		    objPtr = Tcl_GetVar2Ex(sendInterp, "errorCode", NULL,
			    TCL_GLOBAL_ONLY);
		    if (objPtr) {
			Tcl_SetObjErrorCode(interp, objPtr);
		    }
		}
		Tcl_SetObjResult(interp, Tcl_GetObjResult(sendInterp));
	    }
	    Tcl_Release(riPtr);
	    Tcl_Release(sendInterp);
	} else {
	    Tcl_DString dsBuf;

	    /*
	     * This is a non-local request. Send the script to the server and
	     * poll it for a result.
	     */

	    if (MakeDdeConnection(interp, serviceName, &hConv) != TCL_OK) {
	    invalidServerResponse:
		Tcl_SetObjResult(interp,
			Tcl_NewStringObj("invalid data returned from server", -1));
		Tcl_SetErrorCode(interp, "TCL", "DDE", "BAD_RESPONSE", NULL);
		result = TCL_ERROR;
		goto cleanup;
	    }

	    objPtr = Tcl_ConcatObj(objc, objv);
	    string = Tcl_GetString(objPtr);
	    length = objPtr->length;
	    Tcl_WinUtfToTChar(string, length, &dsBuf);
	    string = Tcl_DStringValue(&dsBuf);
	    length = Tcl_DStringLength(&dsBuf) + sizeof(TCHAR);
	    ddeItemData = DdeCreateDataHandle(ddeInstance, (BYTE *) string,

		    (DWORD) length, 0, 0, CF_UNICODETEXT, 0);
	    Tcl_DStringFree(&dsBuf);

	    if (flags & DDE_FLAG_ASYNC) {
		ddeData = DdeClientTransaction((LPBYTE) ddeItemData,
			0xFFFFFFFF, hConv, 0,
			CF_UNICODETEXT, XTYP_EXECUTE, TIMEOUT_ASYNC, &ddeResult);
		DdeAbandonTransaction(ddeInstance, hConv, ddeResult);
	    } else {
		ddeData = DdeClientTransaction((LPBYTE) ddeItemData,
			0xFFFFFFFF, hConv, 0,
			CF_UNICODETEXT, XTYP_EXECUTE, 30000, NULL);
		if (ddeData != 0) {
		    ddeCookie = DdeCreateStringHandle(ddeInstance,
			    TCL_DDE_EXECUTE_RESULT, CP_WINUNICODE);
		    ddeData = DdeClientTransaction(NULL, 0, hConv, ddeCookie,
			    CF_UNICODETEXT, XTYP_REQUEST, 30000, NULL);
		}
	    }

	    Tcl_DecrRefCount(objPtr);

	    if (ddeData == 0) {
		SetDdeError(interp);
		result = TCL_ERROR;
		goto cleanup;
	    }

	    if (!(flags & DDE_FLAG_ASYNC)) {
		Tcl_Obj *resultPtr;
		TCHAR *ddeDataString;

		/*
		 * The return handle has a two or four element list in it. The
		 * first element is the return code (TCL_OK, TCL_ERROR, etc.).
		 * The second is the result of the script. If the return code
		 * is TCL_ERROR, then the third element is the value of the
		 * variable "errorCode", and the fourth is the value of the
		 * variable "errorInfo".
		 */

		length = DdeGetData(ddeData, NULL, 0, 0);
		ddeDataString = (TCHAR *) Tcl_Alloc(length);
		DdeGetData(ddeData, (BYTE *) ddeDataString, (DWORD) length, 0);
		if (length > sizeof(TCHAR)) {
		    length -= sizeof(TCHAR);
		}
		Tcl_WinTCharToUtf(ddeDataString, length, &dsBuf);
		resultPtr = Tcl_NewStringObj(Tcl_DStringValue(&dsBuf),
			Tcl_DStringLength(&dsBuf));
		Tcl_DStringFree(&dsBuf);
		Tcl_Free((char *) ddeDataString);

		if (Tcl_ListObjIndex(NULL, resultPtr, 0, &objPtr) != TCL_OK) {
		    Tcl_DecrRefCount(resultPtr);
		    goto invalidServerResponse;
		}
		if (Tcl_GetIntFromObj(NULL, objPtr, &result) != TCL_OK) {
		    Tcl_DecrRefCount(resultPtr);
................................................................................
		    Tcl_ResetResult(interp);

		    if (Tcl_ListObjIndex(NULL, resultPtr, 3,
			    &objPtr) != TCL_OK) {
			Tcl_DecrRefCount(resultPtr);
			goto invalidServerResponse;
		    }


		    Tcl_AppendObjToErrorInfo(interp, objPtr);

		    Tcl_ListObjIndex(NULL, resultPtr, 2, &objPtr);
		    Tcl_SetObjErrorCode(interp, objPtr);
		}
		if (Tcl_ListObjIndex(NULL, resultPtr, 1, &objPtr) != TCL_OK) {
		    Tcl_DecrRefCount(resultPtr);
		    goto invalidServerResponse;
................................................................................
    }
    if (ddeData != NULL) {
	DdeFreeDataHandle(ddeData);
    }
    if (hConv != NULL) {
	DdeDisconnect(hConv);
    }
    Tcl_DStringFree(&itemBuf);
    Tcl_DStringFree(&topicBuf);
    Tcl_DStringFree(&serviceBuf);
    return result;
}
 
/*
 * Local variables:
 * mode: c
 * indent-tabs-mode: t
 * tab-width: 8
 * c-basic-offset: 4
 * fill-column: 78
 * End:
 */

Changes to win/tclWinReg.c.

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    Tcl_Interp *interp,		/* Current interpreter. */
    Tcl_Obj *keyNameObj,	/* Name of key. */
    Tcl_Obj *valueNameObj,	/* Name of value to delete. */
    REGSAM mode)		/* Mode flags to pass. */
{
    HKEY key;
    char *valueName;
    size_t length;
    DWORD result;
    Tcl_DString ds;

    /*
     * Attempt to open the key for deletion.
     */

    mode |= KEY_SET_VALUE;
    if (OpenKey(interp, keyNameObj, mode, 0, &key) != TCL_OK) {
	return TCL_ERROR;
    }

    valueName = Tcl_GetString(valueNameObj);
    length = valueNameObj->length;
    Tcl_WinUtfToTChar(valueName, length, &ds);
    result = RegDeleteValue(key, (const TCHAR *)Tcl_DStringValue(&ds));
    Tcl_DStringFree(&ds);
    if (result != ERROR_SUCCESS) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"unable to delete value \"%s\" from key \"%s\": ",
		Tcl_GetString(valueNameObj), Tcl_GetString(keyNameObj)));
	AppendSystemError(interp, result);
................................................................................
    REGSAM mode)		/* Mode flags to pass. */
{
    HKEY key;
    DWORD result, type;
    Tcl_DString ds;
    const char *valueName;
    const TCHAR *nativeValue;
    size_t length;

    /*
     * Attempt to open the key for reading.
     */

    mode |= KEY_QUERY_VALUE;
    if (OpenKey(interp, keyNameObj, mode, 0, &key) != TCL_OK) {
................................................................................
    }

    /*
     * Get the type of the value.
     */

    valueName = Tcl_GetString(valueNameObj);
    length = valueNameObj->length;
    nativeValue = Tcl_WinUtfToTChar(valueName, length, &ds);
    result = RegQueryValueEx(key, nativeValue, NULL, &type,
	    NULL, NULL);
    Tcl_DStringFree(&ds);
    RegCloseKey(key);

    if (result != ERROR_SUCCESS) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
................................................................................
    REGSAM mode)		/* Mode flags to pass. */
{
    HKEY key;
    const char *valueName;
    const TCHAR *nativeValue;
    DWORD result, length, type;
    Tcl_DString data, buf;
    size_t nameLen;

    /*
     * Attempt to open the key for reading.
     */

    mode |= KEY_QUERY_VALUE;
    if (OpenKey(interp, keyNameObj, mode, 0, &key) != TCL_OK) {
................................................................................
     */

    Tcl_DStringInit(&data);
    Tcl_DStringSetLength(&data, TCL_DSTRING_STATIC_SIZE - 1);
    length = TCL_DSTRING_STATIC_SIZE/sizeof(TCHAR) - 1;

    valueName = Tcl_GetString(valueNameObj);
    nameLen = valueNameObj->length;
    nativeValue = Tcl_WinUtfToTChar(valueName, nameLen, &buf);

    result = RegQueryValueEx(key, nativeValue, NULL, &type,
	    (BYTE *) Tcl_DStringValue(&data), &length);
    while (result == ERROR_MORE_DATA) {
	/*
	 * The Windows docs say that in this error case, we just need to
	 * expand our buffer and request more data. Required for
................................................................................
    Tcl_Interp *interp,		/* Current interpreter. */
    Tcl_Obj *keyNameObj,	/* Key to open. */
    REGSAM mode,		/* Access mode. */
    int flags,			/* 0 or REG_CREATE. */
    HKEY *keyPtr)		/* Returned HKEY. */
{
    char *keyName, *buffer, *hostName;
    size_t length;
    HKEY rootKey;
    DWORD result;

    keyName = Tcl_GetString(keyNameObj);
    length = keyNameObj->length;
    buffer = Tcl_Alloc(length + 1);
    strcpy(buffer, keyName);

    result = ParseKeyName(interp, buffer, &hostName, &rootKey, &keyName);
    if (result == TCL_OK) {
	result = OpenSubKey(hostName, rootKey, keyName, mode, flags, keyPtr);
	if (result != ERROR_SUCCESS) {
	    Tcl_SetObjResult(interp,
................................................................................
    Tcl_Obj *keyNameObj,	/* Name of key. */
    Tcl_Obj *valueNameObj,	/* Name of value to set. */
    Tcl_Obj *dataObj,		/* Data to be written. */
    Tcl_Obj *typeObj,		/* Type of data to be written. */
    REGSAM mode)		/* Mode flags to pass. */
{
    int type;
    size_t length;
    DWORD result;
    HKEY key;
    const char *valueName;
    Tcl_DString nameBuf;

    if (typeObj == NULL) {
	type = REG_SZ;
................................................................................
    }
    mode |= KEY_ALL_ACCESS;
    if (OpenKey(interp, keyNameObj, mode, 1, &key) != TCL_OK) {
	return TCL_ERROR;
    }

    valueName = Tcl_GetString(valueNameObj);
    length = valueNameObj->length;
    valueName = (char *) Tcl_WinUtfToTChar(valueName, length, &nameBuf);

    if (type == REG_DWORD || type == REG_DWORD_BIG_ENDIAN) {
	int value;

	if (Tcl_GetIntFromObj(interp, dataObj, &value) != TCL_OK) {
	    RegCloseKey(key);
	    Tcl_DStringFree(&nameBuf);
................................................................................
	 * nulls, which aren't allowed in REG_MULTI_SZ values.
	 */

	Tcl_DStringInit(&data);
	for (i = 0; i < objc; i++) {
	    const char *bytes = Tcl_GetString(objv[i]);

	    length = objv[i]->length;
	    Tcl_DStringAppend(&data, bytes, length);

	    /*
	     * Add a null character to separate this value from the next.
	     */

	    Tcl_DStringAppend(&data, "", 1);	/* NUL-terminated string */
	}
................................................................................
		(DWORD) Tcl_DStringLength(&buf));
	Tcl_DStringFree(&data);
	Tcl_DStringFree(&buf);
    } else if (type == REG_SZ || type == REG_EXPAND_SZ) {
	Tcl_DString buf;
	const char *data = Tcl_GetString(dataObj);

	length = dataObj->length;
	data = (char *) Tcl_WinUtfToTChar(data, length, &buf);

	/*
	 * Include the null in the length, padding if needed for WCHAR.
	 */

	Tcl_DStringSetLength(&buf, Tcl_DStringLength(&buf)+1);
	length = Tcl_DStringLength(&buf) + 1;

	result = RegSetValueEx(key, (TCHAR *) valueName, 0,
		(DWORD) type, (BYTE *) data, (DWORD) length);
	Tcl_DStringFree(&buf);
    } else {
	BYTE *data;
	int bytelength;

	/*
	 * Store binary data in the registry.
................................................................................
	}
	if (Tcl_GetIntFromObj(interp, objv[2], &timeout) != TCL_OK) {
	    return TCL_ERROR;
	}
    }

    str = Tcl_GetString(objv[0]);
    len = objv[0]->length;
    wstr = (WCHAR *) Tcl_WinUtfToTChar(str, len, &ds);
    if (Tcl_DStringLength(&ds) == 0) {
	wstr = NULL;
    }

    /*
     * Use the ignore the result.
     */







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    Tcl_Interp *interp,		/* Current interpreter. */
    Tcl_Obj *keyNameObj,	/* Name of key. */
    Tcl_Obj *valueNameObj,	/* Name of value to delete. */
    REGSAM mode)		/* Mode flags to pass. */
{
    HKEY key;
    char *valueName;

    DWORD result;
    Tcl_DString ds;

    /*
     * Attempt to open the key for deletion.
     */

    mode |= KEY_SET_VALUE;
    if (OpenKey(interp, keyNameObj, mode, 0, &key) != TCL_OK) {
	return TCL_ERROR;
    }

    valueName = Tcl_GetString(valueNameObj);

    Tcl_WinUtfToTChar(valueName, valueNameObj->length, &ds);
    result = RegDeleteValue(key, (const TCHAR *)Tcl_DStringValue(&ds));
    Tcl_DStringFree(&ds);
    if (result != ERROR_SUCCESS) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"unable to delete value \"%s\" from key \"%s\": ",
		Tcl_GetString(valueNameObj), Tcl_GetString(keyNameObj)));
	AppendSystemError(interp, result);
................................................................................
    REGSAM mode)		/* Mode flags to pass. */
{
    HKEY key;
    DWORD result, type;
    Tcl_DString ds;
    const char *valueName;
    const TCHAR *nativeValue;


    /*
     * Attempt to open the key for reading.
     */

    mode |= KEY_QUERY_VALUE;
    if (OpenKey(interp, keyNameObj, mode, 0, &key) != TCL_OK) {
................................................................................
    }

    /*
     * Get the type of the value.
     */

    valueName = Tcl_GetString(valueNameObj);

    nativeValue = Tcl_WinUtfToTChar(valueName, valueNameObj->length, &ds);
    result = RegQueryValueEx(key, nativeValue, NULL, &type,
	    NULL, NULL);
    Tcl_DStringFree(&ds);
    RegCloseKey(key);

    if (result != ERROR_SUCCESS) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
................................................................................
    REGSAM mode)		/* Mode flags to pass. */
{
    HKEY key;
    const char *valueName;
    const TCHAR *nativeValue;
    DWORD result, length, type;
    Tcl_DString data, buf;


    /*
     * Attempt to open the key for reading.
     */

    mode |= KEY_QUERY_VALUE;
    if (OpenKey(interp, keyNameObj, mode, 0, &key) != TCL_OK) {
................................................................................
     */

    Tcl_DStringInit(&data);
    Tcl_DStringSetLength(&data, TCL_DSTRING_STATIC_SIZE - 1);
    length = TCL_DSTRING_STATIC_SIZE/sizeof(TCHAR) - 1;

    valueName = Tcl_GetString(valueNameObj);

    nativeValue = Tcl_WinUtfToTChar(valueName, valueNameObj->length, &buf);

    result = RegQueryValueEx(key, nativeValue, NULL, &type,
	    (BYTE *) Tcl_DStringValue(&data), &length);
    while (result == ERROR_MORE_DATA) {
	/*
	 * The Windows docs say that in this error case, we just need to
	 * expand our buffer and request more data. Required for
................................................................................
    Tcl_Interp *interp,		/* Current interpreter. */
    Tcl_Obj *keyNameObj,	/* Key to open. */
    REGSAM mode,		/* Access mode. */
    int flags,			/* 0 or REG_CREATE. */
    HKEY *keyPtr)		/* Returned HKEY. */
{
    char *keyName, *buffer, *hostName;

    HKEY rootKey;
    DWORD result;

    keyName = Tcl_GetString(keyNameObj);
    buffer = Tcl_Alloc(keyNameObj->length + 1);

    strcpy(buffer, keyName);

    result = ParseKeyName(interp, buffer, &hostName, &rootKey, &keyName);
    if (result == TCL_OK) {
	result = OpenSubKey(hostName, rootKey, keyName, mode, flags, keyPtr);
	if (result != ERROR_SUCCESS) {
	    Tcl_SetObjResult(interp,
................................................................................
    Tcl_Obj *keyNameObj,	/* Name of key. */
    Tcl_Obj *valueNameObj,	/* Name of value to set. */
    Tcl_Obj *dataObj,		/* Data to be written. */
    Tcl_Obj *typeObj,		/* Type of data to be written. */
    REGSAM mode)		/* Mode flags to pass. */
{
    int type;

    DWORD result;
    HKEY key;
    const char *valueName;
    Tcl_DString nameBuf;

    if (typeObj == NULL) {
	type = REG_SZ;
................................................................................
    }
    mode |= KEY_ALL_ACCESS;
    if (OpenKey(interp, keyNameObj, mode, 1, &key) != TCL_OK) {
	return TCL_ERROR;
    }

    valueName = Tcl_GetString(valueNameObj);

    valueName = (char *) Tcl_WinUtfToTChar(valueName, valueNameObj->length, &nameBuf);

    if (type == REG_DWORD || type == REG_DWORD_BIG_ENDIAN) {
	int value;

	if (Tcl_GetIntFromObj(interp, dataObj, &value) != TCL_OK) {
	    RegCloseKey(key);
	    Tcl_DStringFree(&nameBuf);
................................................................................
	 * nulls, which aren't allowed in REG_MULTI_SZ values.
	 */

	Tcl_DStringInit(&data);
	for (i = 0; i < objc; i++) {
	    const char *bytes = Tcl_GetString(objv[i]);


	    Tcl_DStringAppend(&data, bytes, objv[i]->length);

	    /*
	     * Add a null character to separate this value from the next.
	     */

	    Tcl_DStringAppend(&data, "", 1);	/* NUL-terminated string */
	}
................................................................................
		(DWORD) Tcl_DStringLength(&buf));
	Tcl_DStringFree(&data);
	Tcl_DStringFree(&buf);
    } else if (type == REG_SZ || type == REG_EXPAND_SZ) {
	Tcl_DString buf;
	const char *data = Tcl_GetString(dataObj);


	data = (char *) Tcl_WinUtfToTChar(data, dataObj->length, &buf);

	/*
	 * Include the null in the length, padding if needed for WCHAR.
	 */

	Tcl_DStringSetLength(&buf, Tcl_DStringLength(&buf)+1);


	result = RegSetValueEx(key, (TCHAR *) valueName, 0,
		(DWORD) type, (BYTE *) data, (DWORD) Tcl_DStringLength(&buf) + 1);
	Tcl_DStringFree(&buf);
    } else {
	BYTE *data;
	int bytelength;

	/*
	 * Store binary data in the registry.
................................................................................
	}
	if (Tcl_GetIntFromObj(interp, objv[2], &timeout) != TCL_OK) {
	    return TCL_ERROR;
	}
    }

    str = Tcl_GetString(objv[0]);

    wstr = (WCHAR *) Tcl_WinUtfToTChar(str, objv[0]->length, &ds);
    if (Tcl_DStringLength(&ds) == 0) {
	wstr = NULL;
    }

    /*
     * Use the ignore the result.
     */