changelog

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	why it needs to be ignored so that someone
	is not tempted to "fix" this problem again
	in the future.

2003-01-16  Vince Darley  <[e-mail]>

	* generic/tclStringObj.c: Tcl_SetObjLength fix for when
	the object has a unicode string rep. Fixes [Bug 635200]
	* tests/stringObj.test: removed 'knownBug' constraint from
	test 14.1 now that this bug is fixed.
	
	* generic/tclInt.h:
	* generic/tclBasic.c:
	* generic/tclCmdMZ.z:
	* tests/trace.test: execution and command tracing bug fixes and
	cleanup.  In particular fixed [Bug 655645], [Bug 615043], 
	[Bug 571385]
	  - fixed some subtle cleanup problems with tracing. This 
	    required replacing Tcl_Preserve/Tcl_Release with a more 
	    robust refCount approach. Solves at least one known crash
	    caused by memory corruption.
	  - fixed some confusion in the code between new style traces
	  (Tcl 8.4) and the very limited 'Tcl_CreateTrace' which existed
	  before.
	  - made behaviour consistent with documentation (several
	    tests even contradicted the documentation before).
	  - fixed some minor error message details
	  - added a number of new tests

2003-01-16  Jeff Hobbs  <[e-mail]>

	* win/tclWinSerial.c (SerialOutputProc): add casts for
	bytesWritten to allow strict compilation (no warnings).

	* tests/winDde.test:
	* win/tclWinDde.c (Tcl_DdeObjCmd): Prevent crash when empty
	service name is passed to 'dde eval' and goto errorNoResult in
	request and poke error cases to free up any allocated data.

2003-01-16  Mo DeJong  <[e-mail]>

	* win/tclWin32Dll.c (squelch_warnings): Squelch
	compiler warnings from SEH ASM code.
	* win/tclWinChan.c (squelch_warnings): Squelch
	compiler warnings from SEH ASM code.
	* win/tclWinDde.c: Add casts to avoid compiler
	warnings. Pass pointer to DWORD instead of int
	to avoid compiler warnings.
	* win/tclWinFCmd.c (squelch_warnings): Add casts
	and fixup decls to avoid compiler warnings.
	Squelch compiler warnings from SEH ASM code.
	* win/tclWinFile.c: Add casts and fixup decls
	to avoid compiler warnings. Remove unused variable.
	* win/tclWinNotify.c: Declare as DWORD instead
	of int to avoid compiler warning.
	* win/tclWinReg.c: Add casts to avoid compiler
	warning. Fix assignment in if expression bug.
	* win/tclWinSerial.c: Add casts to avoid compiler
	warnings. Remove unused variable.
	* win/tclWinSock.c: Add casts and fixup decls
	to avoid compiler warnings.

2003-01-14  Jeff Hobbs  <[e-mail]>

	* generic/tclClock.c (FormatClock): corrected typo that
	incorrectly conditionally defined savedTZEnv and savedTimeZone.

2003-01-13  Mo DeJong  <[e-mail]>

	Fix mingw build problems and compiler warnings.

	* generic/tcl.h: Add if defined(__MINGW32__)
	check to code that sets the TCL_WIDE_INT_TYPE
	and TCL_LL_MODIFIER.
	* generic/tclClock.c (FormatClock): Don't
	define savedTimeZone and savedTZEnv if
	we are not going to use them.
	* generic/tclEnv.c: Add cast to avoid warning.
	* win/tclWinChan.c: Use DWORD instead of int
	to avoid compiler warning.
	* win/tclWinThrd.c: Only define allocLock,
	allocLockPtr, and dataKey when TCL_THREADS
	is defined. This avoid a compiler warning
	about unused variables.

2003-01-12  Mo DeJong  <[e-mail]>

	* win/README: Update msys + mingw URL, the
	new release includes the released 1.0.8
	version of msys which includes a number
	of bug fixes.

2003-01-12  Mo DeJong  <[e-mail]>

	* win/configure: Regen.
	* win/tcl.m4 (SC_CONFIG_CFLAGS): Pull in
	addition of shell32.lib to LIBS_GUI that
	was added to the Tk tcl.m4 but never made
	it back into the Tcl version.

2003-01-12  Mo DeJong  <[e-mail]>

	* generic/tcl.h: Skip Tcl's define of CHAR,
	SHORT, and LONG when HAVE_WINNT_IGNORE_VOID
	is defined. This avoids a bunch of compiler
	warnings when building with Cygwin or Mingw.
	* win/configure: Regen.
	* win/configure.in: Define HAVE_WINNT_IGNORE_VOID
	when we detect a winnt.h that still defines
	CHAR, SHORT, and LONG when VOID has already
	been defined.
	* win/tcl.m4 (SC_LOAD_TCLCONFIG): Subst the
	TCL_DEFS loaded from tclConfig.sh so that
	Tcl defines can make it into the Tk Makefile.

2003-01-12  Mo DeJong  <[e-mail]>

	* win/configure: Regen.
	* win/configure.in: Check for typedefs like LPFN_ACCEPT
	in winsock2.h and define HAVE_NO_LPFN_DECLS if not found.
	* win/tclWinSock.c: Define LPFN_* typedefs if
	HAVE_NO_LPFN_DECLS is defined. This fixes the build
	under Mingw and Cygwin, it was broken by the changes
	made on 2002-11-26.

2003-01-10  Vince Darley  <[e-mail]>

	* generic/tclIOUtil.c: 
	* win/tclWinInt.h:
	* win/tclWinInit.c: fix to new WinTcl crash on exit with vfs,
	introduced on 2002-12-06.  Encodings must be cleaned up after
	the filesystem.
	
	* win/makefile.vc: fix to minor VC++ 5.2 syntax problem
	
2003-01-09  Don Porter  <[e-mail]>

	* generic/tclCompCmds.c (TclCompilerReturnCmd):  Corrected off-by-one
	problem with recent commit.  [Bug 633204]

2003-01-09  Vince Darley  <[e-mail]>

	* generic/tclFileName.c: remove unused variable 'macSpecialCase'
	[Bug 664749]
	
	* generic/tclIOUtil.c:
	* generic/tclInt.h:
	* unix/tclUnixFile.c:
	* mac/tclMacFile.c:
	* win/tclWinFile.c:
	* win/tclWinInt.h:
	* win/tclWin32Dll.c: 
	* tests/cmdAH.test: fix to non-ascii chars in paths when
	setting mtime and atime through 'file (a|m)time $path $time'
	[Bug 634151]

2003-01-08  Don Porter  <[e-mail]>

	* generic/tclExecute.c (TclExprFloatError):  Use the IS_NAN macro
	for greater clarity of code.

2003-01-07  Don Porter  <[e-mail]>

	* generic/tclCompCmds.c (TclCompileReturnCmd): 
	* tests/compile.test:	Corrects failure of bytecompiled 
	[catch {return}] to have result TCL_RETURN (not TCL_OK) [Bug 633204].
	This patch is a workaround for 8.4.X.  A new opcode INST_RETURN is a
	better long term solution for 8.5 and later.

2003-01-04  David Gravereaux  <[e-mail]>

	* win/makefile.vc:
	* win/rules.vc:  Fixed INSTALLDIR macro problem that blanked itself
	by accident causing the install target to put the tree at the root
	of the drive built on.  Whoops..

	Renamed the 'linkexten' option to be 'staticpkg'.  Added 'thrdalloc'
	to allow the switching _on_ of the thread allocator.  Under testing,
	I found it not to be benificial under windows for the purpose of the
	application I was using it for.  It was more important for this app
	that resources for tcl threads be returned to the system rather than
	saved/moved to the global recycler.  Be extra clean or extra fast
	for the default threaded build?  Let's move to clean and allow it to
	be switched on for users who find it benificial for their use of
	threads.

2002-12-18  David Gravereaux  <[e-mail]>

	* win/makefile.vc: some uses of xcopy swapped to the @$(CPY) macro.
	Reported by Joe Mistachkin <[e-mail]>.

2002-12-17  Jeff Hobbs  <[e-mail]>

	* generic/tclNotify.c (TclFinalizeNotifier, Tcl_SetServiceMode): 
	(Tcl_ThreadAlert): Check that the stub functions are non-NULL
	before calling them.  They could be set to NULL by Tcl_SetNotifier.

2002-12-16  David Gravereaux  <[e-mail]>

	* generic/tclPipe.c (TclCleanupChildren):
	* tests/winPipe.test:
	* win/tclWinPipe.c (Tcl_WaitPid):
	* win/tclWinTest.c:  Gave Tcl_WaitPid the ability to return a
	Win32 exception code translated into a posix style SIG*.  This
	allows [close] to report "CHILDKILLED" without the meaning
	getting lost in a truncated exit code.  In TclCleanupChildren(),
	TclpGetPid() had to get moved to before Tcl_WaitPid() as the
	the handle is removed from the list taking away the ability
	to get the process id after the wait is done.  This shouldn't
	effect the unix implimentaion unless waitpid is called with
	a pid of zero, meaning "any".  I don't think it is..

2002-12-13  Don Porter  <[e-mail]>

	* unix/configure.in:	Updated configure of CVS snapshots to reflect
	* win/configure.in:	the 8.4.1.1 patchlevel.

	* unix/configure:	autoconf
	* win/configure		autoconf

2002-12-11  Don Porter  <[e-mail]>

	* generic/tclProc.c (ProcessProcResultCode): Fix failure to
	  propagate negative return codes up the call stack. [Bug 647307]
	* tests/proc.test (proc-6.1): Test for Bug 647307

	* generic/tclParseExpr.c (TclParseInteger):  Return 1 for the
	string "0x" (recognize leading "0" as an integer).  [Bug 648441].
	* tests/parseExpr.test (parseExpr-19.1): Test for Bug 648441.

2002-12-09  Jeff Hobbs  <[e-mail]>

	* win/tclWinThrd.c (TclpMasterUnlock):
	* generic/tclThread.c (TclFinalizeThreadData): TclpMasterUnlock
	must exist and be called unconditional of TCL_THREADS. [Bug #651139]

2002-12-08  David Gravereaux  <[e-mail]>

	* win/tclWinSock.c (SocketThreadExitHandler, InitSockets):  Check
	that the tsdPtr is valid before dereferencing as we call it from
	the exit handler, too [Bug 650353].  Another WSAStartup() loaded
	version comparison byte swap issue fixed.  Although 0x0101 byte
	swapped is still 0x0101, properly claiming which is major/minor
	is more correct.

2002-12-06  Jeff Hobbs  <[e-mail]>

	* generic/tclStubInit.c: regen
	* generic/tclIntPlatDecls.h: regen
	* generic/tclInt.decls: added TclWinResetInterface

	* win/tclWin32Dll.c (TclWinResetInterfaces):
	* win/tclWinInit.c (TclpSetInitialEncodings, WinEncodingsCleanup):
	add exit handler that resets the encoding information to a state
	where we can reuse Tcl.  Following these changes, it is possible
	to reuse Tcl (following Tcl_FindExecutable or Tcl_CreateInterp)
	following a Tcl_Finalize.

	* generic/tclIOUtil.c (TclFinalizeFilesystem): reset statics to
	their original values on finalize to allow reuse of the library.

2002-12-04  David Gravereaux  <[e-mail]>

	* win/tclWinPipe.c: reverted back to -r1.27 due to numerous test
	failures that need to be resolved first.  The idea was good,
	but the details aren't.
	
2002-12-04  David Gravereaux  <[e-mail]>

	* win/tclWinPipe.c (Tcl_WaitPid):  When a process exits with an
	exception, pass this notice on to the caller with a SIG* code
	rather than truncating the exit code and missing the meaning.
	This allows TclCleanupChildren() to report "CHILDKILLED".

	This has a different behavior than unix in that closing the
	read pipe to a process sends the SIGPIPE signal which is
	returned as a SIGPIPE exit status.  On windows, we send the
	process a CTRL_BREAK_EVENT and get back a CONTROL_C_EXIT which
	is documented to mean a SIGINT which seems wrong as a system,
	but is the correct exit status.

2002-12-04  Vince Darley  <[e-mail]>

	* generic/tclIOUtil.c: fix to redirected 'load' in virtual
	filesystem for some Unix systems.

	* generic/tclEvent.c: the filesystem must be cleaned up before
	the encoding subsystem because it needs access to encodings.
	Fixes crash on exit observed in embedded applications.

	* generic/tclTestObj.c: patch omitted from previous change
	of 2002-11-13
	
2002-12-03  Jeff Hobbs  <[e-mail]>

	* generic/tclStubLib.c (Tcl_InitStubs): prevent the cached check of
	tclStubsPtr to allow for repeated load/unload of the Tcl dll by
	hosting apps. [Bug 615304]

2002-12-03  David Gravereaux  <[e-mail]>

	* win/tclAppInit.c (sigHandler):  Protect from trying to close a
	NULL handle.

	* win/tclWinPipe.c (PipeClose2Proc, TclpCreateProcess):  Send a
	real Win32 signal (CTRL_C_EVENT) when the read channel is brought
	down to alert the child to close on its side.  Start the process
	with CREATE_NEW_PROCESS_GROUP to allow the ability to send these
	signals.  The following test case now brings down the child
	without the use of an external [kill] command.

	% set p [open "|[info name]" w+]
	file8d5380
	% pid $p
	2876
	% close $p     <- now doesn't block in Tcl_WaitPid()
	%

	* win/tclWinPipe.c (PipeClose2Proc):  Changed CTRL_C_EVENT
	to CTRL_BREAK_EVENT as it can't be ignored by the child and
	proved to work on [open "|netstat 1" w+] where CTRL_C_EVENT
	didn't.

2002-11-27  David Gravereaux  <[e-mail]>

	* win/tclWinPort.h:  Don't turn off winsock prototypes!
	TclX didn't like it.  Even though the core doesn't use the
	prototypes, do offer them.

	* win/tclWinSock.c:  Removed shutdown() from the function
	table as it wasn't referenced anywhere and cleaned-up some
	casting that that wasn't needed.

	* win/tclWinSock.c:  WSAStartup() loaded version comparison
	error which resulted in 2.0 looking less than 1.1.

	* win/tclWinChan.c (Tcl_MakeFileChannel):  return of
	DuplicateHandle() incorrectly used [Bug 618852].

2002-11-26  Jeff Hobbs  <[e-mail]>

	* generic/tclEncoding.c (TclFinalizeEncodingSubsystem): properly
	cleanup all encodings by using Tcl_FirstHashEntry in the while loop.

	* unix/Makefile.in (valgrind): add simple valgrind target

	* tests/exec.test: unset path var to allow singleproc testing

	* generic/tclInterp.c (AliasCreate): preserve/release interps to
	prevent possible FMR error in bad alias cases.

2002-11-26  David Gravereaux  <[e-mail]>

	* win/tclWinPort.h:
	* win/tclWinSock.c:  This patch does two things: