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Portable Windows Library Modification History
=============================================

current code
------------
	Complete Mac OS X (using Darwin 1.2) port.

Release 1.1pl19
---------------
	More bullet proofing of PER decoder, could crash if given garbage data
	to decode.

	Fixed problem in ASN parser with BER encoding of ASN with optional 
	fields.

	Fixed missing immediate expiry date on string and file HTTP Service 
	classes HTTP resources.

	Added macro to do server side includes of signed or unsigned chunks of
	HTML in HTTP Service classes.

	Added flag to globally ignore HTML signatures in HTTP Service classes
	(useful for develeopment).

	Improved the HTTP form management classes.

	Added RFC822 aware channel class for doing internet mail via existing
	POP3 and SMTP classes, includes content transfer encoding and automatic 
	base64 translation.

	Fixed crash if used PBase64::ProcessEncoding() with zero length.

	Fixed bug in base64 encoder, overwriting memory buffer.

	Added certificate and private key classes to OpenSSL interface.

	Fixed problem with propagation of the error text through to indirect
	channel.

	Fixed compiler ambiguities in PTimeInterval constructor.

	Added static function to create a new thread class and automatically
	run a function on another class in the context of that thread.

	Added function to change auto delete flag on a thread.

	Added assert when get nested mutex.

	Fixed problem with PSemaphore::WillBlock actually locking semaphore.

	Fixed bug un Linux version where HTML macros didn't work correctly in
	PHTTPService applications.

	Improved PString sprintf functions so no longer limited to 1000 characters.

	Fixed bug in unix version where subsequent config file opening uses first
	opened filename.

	Changed PConfig to allow writing of config files whilst config file is open.

	Changed unix config file code to allow writing of config files whilst
	config file is open.

	Fixed problem in unix thrading where thread that uses PThread::Current()
	in destructor crashes.

	Various fixes for Motif and Qt build.

	Various fixes for BeOS build.

	Various fixes for BSD build.


Release 1.1pl18
------------
	Added ability to change the persistent connection parameters (timeout
	etc) in HTTP server class.

	Fixed bug in HTTP form updating SELECT fields from registry.

	Fixed OpenSSL support so can operate as a server channel.

	SSL channel changes, added error functions, removed need to have
	openssl include directory in app.

	Added mechanism by which a service can get at new HTTP connections, 
	eg to add SSL.

	Fixed resize of multi-line edit box windows, again.

	Fixed problem with no control value update if press "Enter" to close dialog.

	Added ability to have multiple lines with the same key in PConfig.

	Removed assert for empty key name so can set registry default key for 
	a section.

	Removed PAssert with registry access denied error, changed to PTRACE.

	Fixed subtle difference between Unix and Win32 section names (ignore 
	trailing backslash) in PConfig files.

	Fixed silly mistake in runtime_malloc() function, should return a 
	pointer!

	Improved multithreaded reliability of the timers under stress.

	Fixed problem with no new lines in trace output to stderr.

	Added Windows 2000 to operating system reporting.

	Fixed problem with bothnoshared target in makefile


Release 1.1pl17
------------
	AIX port, thanks Wolfgang Platzer (wolfgang.platzer@infonova.at).

	Start of Nucleus++ port.

	Fixed bug in setting current value of options in select form fields.

	Added ability to get at the PTraceStream without timestamps etc, 
	use UINT_MAX trace level.

	Added more guards for NULL PStrings in PConfigArg handling.

	Removed some warnings on compiling colour icons in PWRC.

	Fixed problems in decompile of .ICO file with multiple icons in PWRC.

	Added ability to append resources to existing file in PWRC.

	Fixed bug that causes crash when gettng cursor/selection position in
	a PEditBox.

	Added flags for controlling file sharing.

	Added start of video I/O abstraction classes.
	
	Added runtime_malloc() function for cases where memory check code must
	be bypassed.

	Fixed bug when PWaveFormat is assigned to itself.

	Fixed shutdown issues with buffers in use in PSoundChannel.

	Fixed potential race condition in OSS initialise (Unix sound).

	Fixed BSD compatibility for OSS sound usage.


Release 1.1pl16
------------
	Added PConfigArgs class so can save program arguments to config files.

	Removed static global ojects that require construction as they cause
	phantom memory leaks when using the GNU compiler.

	Added microseconds to string output of PTime.

	Added strcasecmp macro, BSDish version of stricmp.

	Added mutex to PSoundChannel buffer structure to avoid rare but quite
	possible multi-threading crashes.

	Added tcp.h to get TCP_NODELAY for setsockopt call to pmachdep.h.

	Fixed missing default on PTopLevelWindow::Show() function.

	Fixed support for older FreeBSD (location of sysctrl program).

	Added variables for standard programs ar and ranlib, plus making the
	use of ranlib optional according to another variable.

	Fixed bug in restarting free running timers, would not always happen.

	Fixed problem with stream output width in PTimeInterval.

	Fixed uninitialised microseconds on some PTime constructors.

	Added display of thread name in SystemLog.

	Fixed problem where lastReadCount was not zeroed if no read occurred
	in a PChannel.

	Added OSS unix implementation for PlayFile command.

	Fixed race condition causing asserts in ballon help.

	Added directory search path argument for external DEF files in 
	MergeSym. This allows correct building of DLLs that use ptlib.dll.

	Fixed bug for symbols in external DEF file actively removed from 
	merged DEF file in MergeSym.

	Fixed production error for ValueSet in asn parser.


Release 1.1pl15
------------
	Added option to rename imported module names in ASN parser, allows
	generated code #include filename matching to what would be generated
	elsewhere by the applications make system.

	Added ability to remove optional field in ASN sequence.

	Added simple static play functions for sound files.

	Added constructor to do PString conversion to PTimeInterval parsing
	the string as for stream I/O.

	Added microseconds field to PTime class.

	Added parameter so get/setsockopt can have other levels to SOL_SOCKET.

	Fixed error in check for SIOCGHWADDR define. Caused compile errors on
	Solaris 2.6 systems (but not 2.5 or 2.7!)

	Fixed problem with connect() call not timing out according to the
	readTimeout value of the channel.

	Removed ptclib/proto directory. Its purpose was lost in time and causes
	more problems now than it is worth.

	Added named threads to tracing function.

	Fixed handling of NULL pointer on current thread in PTRACE output.

	Fixed infinite recursion on PProcess::Current() = NULL assertion.

	Added function to determine if PProcess instance has been initialised
	yet for use by static objects etc.

	Fixed problem with asserts generating continuous output when input is 
	redirected and especially when EOF is read.

	Added the ability to get a stack dump on assert on unix systems by
	calling gdb on the fly.

	Changes to build system to make GUI selection under Unix systems
	easier.

	Changed DEBUG build to always be static libraries, an opt build will
	use the shared libraries.

	Add support for OpenBSD.

	Some BeOS port changes.

	Some VxWorks port changes, still not complete.

	Add some Mac OS X port changes, still not complete.

	Add support for NetBSD.

Release 1.14
------------
	Added new improved random number generator. Mainly due to discovered
	inadaquacies in the MSVC run time version of rand().

	Added support for producing shared libraries.

	Added optimisation to array comparisons if referencing same array.

	Fixed problem with changing size of referenced objects, reference needed
	to be broken and wasn't invalidating other references causing crashes.

	Updated OpenSSL support.

	Improved FreeBSD support (later versions, OSS sound etc).

	Fixed some minor BeOS issues.

	Added support for power PC Linux variant.

	Fixed ASN PER encoder boundary condition error for constrained integer 
	encoding (values 1, 256 etc).

	Fixed ASN parsing of multiple IMPORTS and OID's in IMPORTS section.



Release 1.13
------------
	Fixed alignment problem in debug memory check code (especially with
	sparc architecture).

	Fixed problem in timers startup condition in short duration (< 10 second)
	timers, timing out immediately.

	Improved some of the documentation especially the root web page.


Release 1.12
------------
	Made static form of ConvertOSError public scope.

	Added override of new functions for MSVC memory check code.

	Added functions to get current trace options and level.

	Fixed display of decimals in milliseconds when precision other than 3.

	Fixed problem, assuring millisecond accuracy in timestamp of trace
	output.

	Improved portability of copy from host_info struct to IP address.

	Created PCustomListBox to allow native Motif code PStringListBox
	implementation.

	Fixed problem with PSemaphore::Wait consuming 100% CPU under unix.

	Changed semaphore.h inclusion to be dependent upon P_HAS_SEMAPHORE
	under unix.

	Added pipe to thread to allow asynchronous abort of socket operations
	under unix.

	Added define to only include semaphore libraries on Linux platform

	Changed semantics of OnClose() to be the same as PTitledWindow in Win32.

	Fixed problems with creating/deleting dialogs from background threads in
	Win32.

	Fixed possible crash accessing IP addresses from SNMP tables in Win32.

	Fixed bug in GetErrorText() occasionally returning incorrect empty
	string in Win32.

	Fixed bug in SetDimensions() to allow for a window with a menu in Win32.

	Added missing GetLength function for PComboBoxes in Win32.


Release 1.11
------------
	Fixed error display for sound channels.

	Added Windows version of PIPSocket::GetInterfaceTable() function.

	Changed PTRACE so will output to system log in PServiceProcess 
	applications.

	Fixed name space problem with PSYSTEMLOG() macro.

	Allowed some Win32 only access to custom wave format in sound channel.

	Changed PSemaphore to use Posix semaphores.

	ASN Parser: Optimised CreateObject() switch statements, collapsing 
	common cases.

	ASN Parser: Fixed failure to put "using namespace" in every 
	generated .cxx file.


Release 1.10
------------
	Fixed usage of inlines in optimised version. Was not inlined.

	Added ASN compiler #defines for backward support of pre GCC 2.9
	compilers.

	Added ASN compiler #defines to reduce its memory footprint.

	Added comparison operation to base ASN classes and compiled ASN
	code.

	Added support for ANY type in ASN parser.

	Fixed anomaly to always include non-optional extensions in
	PER encodings of the ASN parser generated code.

	Fixed ASN PER encoding problems for large integer values.

	Fixed incorrect encoding of unknown extensions in ASN PER.

	Fixed incorrect size of ASN PER OID if zero length encoded.

	Added ability to get the host/port of the the last packet
	read/written to UDP socket.

	Added ability to listen to specific interfaces for IP sockets.

	Added operator>> for PIPSocket::Address class.

	Fixed problem with creating windows in background threads, not
	happening until have a message sent.

	Fixed problem with calling modal dialog from a background thread.

	Fixed problem with GUI menu item stopping working on calling
	SetString().

	Changes to aid in breaking I/O locks on thread termination. Still
	needs more work especially in BSD!

	Fixed problem with destroying PMutex that is already locked.

	Fixed termination hang up problem with memory check code under unix
	pthreads.

	Added mutex in memory check detection code.

	Added missing operator on smart pointer to return the pointer!
	Cleaned up the smart pointer code (macros).

	Added concatenation function to "base type" arrays.

	Added "NoWin" option to prevent display of window in command
	line commands of "Service Process" applications.

	Added audio loopback psuedo-device (thanks Philip Edelbrock)

	Fixed bug in display of PTimeIntervals larger than 24 hours.

	Added missing unix paths include (esp. for VARRUN in svcproc)

	Added support for libc5 and libc6 compiles under Linux (libc6
	uses pthreads).

	Fixed problem with EINTR causing sound channel reads and write
	to fail, thanks to phil@netroedge.com!


Release 1.09
------------

	Fixed bug when assigning negative number to a cosntrained
	PASN_Integer.

	Fixed bug in encoding/decoding OID greater than 2.39 in PER and
	BER ASN.

	Changed PASN_Choice cast operators in ASN generated code so no
	longer "break" const-ness of object.

	Fixed bug in encoding sequence of constrained primitive type in
	ASN generated code, constraint not set.

	Fixed bug in not emitting namespace use clause in ASN generated code.

	Added "normalisation" of separate sequence of <base type> to be
	single class in ASN generated code.

	Fixed some 64 bit compatibility issues.

	Fixed being able to cast an unsigned to a PTimeInterval.

	Improved resolution of PTimer::Tick() to be millisecond accurate.

	Rewite to compensate for linux OSS sensitivity to ioctl order.
	Added code to allow full duplex audio.

	Fixed build problems with not including oss.cxx in library if
	OSTYPE not "linux"

	Fixed bug in PFile::Copy, does not write last chunk of data to
	new file.

	Fixed bug when breaking block by closing the PSoundChannel in
	other thread.

	Fixed bug in PThread::IsSuspended(), returned exactly the
	opposite state!

	Fixed bug in PFilePath::SetType finding dots outside of file
	name in path.

	Portability issues, especially n BeOS (thanks Yuri!)


Release 1.08
------------

	Fixed bug causing crashes on pass through of unknown extensions in
	PER encoding.

	Fixed race condition on indirect channel close, mutex needed in
	PIndirectChannel.

	Fixed core dump problem with SIGINT/SIGTERM terminating process.

	Fixed bug in not returning correct default recorder (waveIn) device
	under MS Windows.

Release 1.07
------------

	Improved tracing yet again. Now has options for adding timestamps,
	thread ID etc to the trace output as well as the file/line number.

	Fixed bug in the output code in ASN compiler for string constraints
	under PER. They were not being set on the correct object causing
	decode failures (usually via assert).

	Added PConsoleChannel class to allow access to stdin/stdout/stderr
	as a PWLib channel. Primarily this is for allow read from stdin to
	not block the cooperative multithreading.

	Fixed bug in printing PTimeInterval objects, would leave fll char
	set to '0'. Also ignored stream width parameter.


Release 1.06
------------

	Added better User Interface to make files.

	Major ASN Parser enhancements for parameterised types etc.

	Fixed problems with decoding of extensions (signed/unsigned bug) 
	in ASN PER.

	Fixed date parsing to be forgiving of rubbish at end of date string.
	Fixed problem with not stopping date parse at end of line.
	Fixed PTime::GetHour() etc to not crash on time=-1.

	Fixed ugly little bug in the cooperative multithreading that meant 
	that threads blocked on timers didn't always get rescheduled.

	Changed channel output flush to remove double Write() call. This caused
	problems on TCP/IP stuff getting a packet for the first byte and then
	another pacet for the rest of the buffer.

	Added retries to DNS lookup if get temporary error.

	Fixed race condition in doing Select() on closed sockets. Could go 
	into infinite wait.

	Added ability to open file as standard input, output and error streams.

	Added function to get default audio device.

	Added initialisers to string containers (list, sorted list and set).


Release 1.05
------------

	Changed build to allow for 64 bit processors (Alpha port).

	Minor changes to support egcs compiler.

	Added SIGHUP and SIGWINCH handlers to increase and decrease the log
	level respectively in a service (daemon) application.

Release 1.04
------------

	Large numbers of changes to support automated documentation system
	doc++.

	Utilised full grammar parsing for dates.

	Simultaneous MSVC 6 and MSVC 5 compatibility.

	Improved trace facility adding trace levels and #define to remove all
	trace code.

	Various BeOS port modifications.

	Fixed bug in IP access control lists compatibility with unix
	hosts.allow and hosts.deny files.

	Added support for UDP in SOCKS 5 classes.

	Added [] operator PIPSocket::Address to get the bytes out of an IP
	address.

	Fixed ability to have PMEMORY_CHECK on/off on both debug/release
	versions.

	Sound driver interface implementation to Linux OSS specification.


Release 1.03
------------

Very slack in not producing histories for earlier versions.

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