ChangeLog.txt

Version 5.6.5 (12/28/2020):
	* Fixed the installdocs target... Again.  Thanks to matthewluckie.

Version 5.6.4 (12/24/2020):
	* Fixed shared libary creation.  Thanks to @ffontaine and Alex Suykov.
	* Fixed one more pointer arithmetic issue.  Thanks to aitap.
	* Better configuring of the pointer arithmetic type.
	* Fixed strndup macro detection... Again. Thanks to SkyOnce.

Version 5.6.3 (12/23/2020):
	* Fixed missing dmallocc.o <- dmalloc.h dependency.  Thanks to @ffontaine.
	* Fixed more %p usage and issues around pointer arithmetic.  Thanks to aitap.

Version 5.6.2 (12/17/2020):
	* Fixed bug with loc_snprintf use of va_args.  Thanks much to aitap.
	* Handle strndup being a macro.  Thanks much to aitap.
	* Renmaed the ERROR_ and DEBUG_ defines to DMALLOC_* to reduce OS overlap.
	* Fixed issues with cross-compiling and getpagesize.  Thanks to aitap.
	* Fixed problems with cross-compiling and printing of pointers.  Thanks to aitap.

Version 5.6.1 (11/24/2020):
	* Fixed the installdocs target.  Thanks to matthewluckie.

Version 5.6.0 (11/22/2020):
	* Implemented a snprintf to [hopefully] stop recursion.  Thanks to drok.
	* Added append_string and friends for better string output.
	* Fixed strndup handling when it is a macro.  Thanks to danielgora.
	* Fixed strndup configuration and handling in general.
	* Added better getenv handling.
	* Fixed issues around page-size detection and heap extension.
	* Added circleci to github.
	* Improved the test program output.
	* Added strnlen configuration and handling.
	* Moved to git on April 9, 2018.

Version 5.5.2 (5/14/2007):
	* Removed some left-over references to the dmalloc.info file.
	* Fixed some unsigned/signed issues in one of the dmalloc_t tests.
	* Fixed problems with configure and SL_LINK_OBJS.

Version 5.5.1 (3/25/2007):
	* Fixed some problems with str[n]dup argument checking.
	* Fixed bug where LOG_PNT_SEEN_COUNT=0 caused dmalloc_examine segfault.
	* Fixed bug with the checking of the MAX_FILE_LENGTH. 
	* Revamped the tests for user pointers. Added better support for sizes.
	* Added dmalloc_verify_pnt_strsize to support strnlen size testing.
	* Added missing DMALLOC_FUNC_CHECK routines: atoi, atol, memmove
	* Added a number of special checks for DMALLOC_FUNC_CHECK stuff.
	* Fixed all of the DMALLOC_FUNC_CHECK arguments.

Version 5.5.0 (2/8/2007):
	* Fixed a problem with Cygwin env parsing.
	* Improved regression tests on argument checking functions.
	* Fixed some problems with function argument checking and length args.
	* Added handling of strndup function.
	* Added overlapping memory check for memcpy if memmove exists.
	* Added __FILE__ and __LINE__ arguments to function checks.
	* Added patches to [hopefully] improve the building under Mac OSX.
	* Added dmalloc_get_stats function to report on internal heap stats.
	* Fixed a problem with double free not reporting ERROR_ALREADY_FREE.
	* Added better checking for mmap compatibility during autoconfig.
	* Improved the usage output for dmalloc.
	* Improved some of the error values to better identify internal errors.
	* Fixed when LARGEST_ALLOCATION was 0 it was still being tested.
	* Increased the basic block default to 32k.
	* Improved test program output;
	* Fixed the global Makefile to install libs as 755 not 644.
	* Added some fixes for Compaq's C compiler.
	* Improved testing of small heap areas.

Version 5.4.2 (10/19/2004):
	* Fixed a couple of longer standing stupid alloc/free blank bugs.

Version 5.4.1 (10/12/2004):
	* Found and fixed a stupid little testing bug.

Version 5.4.0 (10/12/2004):
	* Added return.h support for ARM processors.
	* Made allocation of 0 sized chunks the default.
	* Fixed some missing ; and a int/unsigned-int bug.
	* Added return.h support for AIX 4.3 RS/6000.
	* Added backwards compatibility for %d usage in logfile name.
	* Removed force-linear token because made invalid with mmap addition.
	* Added mmap usage inside of the library.  Should it be the default?
	* Internal random algorithm now seeded with fixed value.
	* Really improved the logging of error information about pointers.
	* Added return.h support for ia64 machine type.
	* Increased the maximum source file length from 10k to 30k.
	* Added compat and arg_checking of atoi, atol, and memmove.
	* Added arg checking to internal strdup functions.

Version 5.3.0 (01/28/2004):
	* Fixed bad bug where arch_check funcs weren't locking point checks.
	* Added dmalloc_verify_pnt function for proper external pointer checks.
	* Added dmalloc_memory_allocated function to help memory size checks.
	* Added --start-size to dmalloc to start checks after alloc X bytes.
	* Added check-shutdown token and support to check pointers on shutdown.
	* Added dmalloc_count_changed function.
	* Added ability to disable the LARGEST_ALLOCATION setting it to 0.

Version 5.2.4 (11/18/2003):
	* Fixed bug with check-fence and check-funcs interaction.  Thanks John.
	* Added support for rc shell.  Thanks Michael.
	* Fixed a logfile NULL pointer printf.  Thanks John.
	* Fleshed out the error code documentation.
	* Fixed Makefile.in to properly refer to docs directory.  Thanks Mike.
	* Improved the docs about alias creation and usage.
	* Added testing for destructors in configure.

Version 5.2.3 (09/29/2003):
	* Added new GetEnvironmentVariableA Cygwin call.  Thanks to Rolf.
	* Added quick checks for the constructor attribute.
	* Changed configure script to define HAVE_... to 0 or 1.  Thanks Brian.
	* Removed usage of environ from dmalloc_argv.c.  Thanks Brian.

Version 5.2.2 (09/08/2003):
	* Added a Cygwin section to the manual.
	* Added GETENV_SAFE testing for Cygwin environments.  Feedback needed.
	* Fixed bug in function args pnt checking.  Thanks TJ and Philippe.
	* Improved pnt checking code to properly check free space above alloc.
	* Fixed possible lock leak in the shutdown code.  Thanks TJ.
	* Changed the installing of libraries to install-data. 

Version 5.2.1 (07/08/2003):
	* Fixed problems with macro arguments not in ().  Thanks Paul.
	* Fixed problem with strdup not returning char *.  Thanks Dan, Juhani.

Version 5.2.0 (06/10/2003):
	* Renamed the "max memory space wasted" to "max unused memory space".
	* Added PDF documentation files to the installation.
	* Fixed a problem with the global Makefile and dmalloc_t.  Thanks Bert.
	* Added new logfile expansion of %u as getuid() output.
	* Added new logfile expansion of %h as gethostname() output.
	* Added new logfile expansion of %t as time() output.
	* Added new logfile expansion of %p as getpid() output.
	* Added new logfile expansion of %i as thread-id output.
	* Removed the old logfile % processing.  %d no longer expands to pid.
	* Added LOG_PID to settings.dist to log pid on each line of logfile.
	* Added LOG_REOPEN to reopen log if pid changes (fork).  Thanks James.
	* Renamed LOG_ITERATION_COUNT to LOG_ITERATION in settings.dist.
	* Renamed STORE_SEEN_COUNT to LOG_PNT_SEEN_COUNT in settings.dist.
	* Renamed STORE_ITERATION_COUNT to LOG_PNT_ITERATION in settings.dist.
	* Renamed STORE_TIME to LOG_PNT_TIME in settings.dist.
	* Renamed STORE_TIMEVAL to LOG_PNT_TIMEVAL in settings.dist.
	* Renamed LOG_THREAD_ID to LOG_PNT_THREAD_ID in settings.dist.
	* Improved the log_stats and log_changed output a bit.

Version 5.1.0 (06/08/2003):
	* Fixed the FREED_POINTER_DELAY functionality.
	* Removed PROTECT_BLOCKS from settings.dist because was unused.
	* Added contrib/tsecs perl script which converts epoch secs to ctime.
	* Removed the unused check-lists debug token.
	* Fixed the realloc-copy and never-reuse functionality.
	* Improved the stats output.
	* Added many automatic tests to dmalloc_t.
	* Expanded the arguments to dmalloc_examine to return more information.
	* Found/fixed problem where last-used mark was not set right properly.
	* Found/fixed bad problem where leaked memory was not being reported.

Version 5.0.2 (06/04/2003):
	* Fixed some problems and improved code in the test utility dmalloc_t.
	* Integrated an internal random number generator to stop recursion.
	* Improved some of the configure script internals.
	* Added support for a.exe and other cc output forms for Windoze.

Version 5.0.1 (05/20/2003):
	* Updated configure.ac script.
	* Added dmalloc_page_size() function.
	* Improved the auto-testing in dmalloc_t.
	* Found a [bad] problem with putting pointers back on the free list.
	* Added some checking of pointers on the free list.
	* Added the per-pointer checking for cleared free memory.
	* Compressed the per-pointer admin structure by 8 bytes.

Version 5.0.0 (05/16/2003):
	* Added -M --memory-limit argument to dmalloc to limit allocations.
	* Deprecated log-blocks and heap-check-map debug tokens.
	* Added a currently in use stats to log-stats.
	* Removed a number of old error codes.
	* Fixed some literal ranlib entries in the Makefile.in.
	* Removed the USE_DMALLOC_LEAP functionality to simplify.
	* Added a function to re-open the logfile when processing flags.
	* Added section to docs about debugging daemon and CGI processes.
	* Made some cosmetic improvements to the configure.in script.
	* Due to public pressure, I've made free(0L) not an error by default.
	* Added separate characters for blanking allocs (0xda) vs frees (0xdf).
	* Removed short token support.  Was anyone using this?
	* Did some more work on testing and chunk.c changes.
	* Added better autoconf checking of thread libraries for FreeBSD.
	* Added dmalloc_debug_setup function to set dmalloc flags thru a call.
	* Significantly changed how the library manages fence protected allocs.
	* Renamed _dmalloc_logpath to dmalloc_logpath to match the docs and .h.
	* Solved problem with dmalloc_t and no sbrk.
	* Added INTERNAL_MEMORY_SPACE setting to the settings.dist file.
	* Added the 'How It Works' section to the manual.
	* Removed necessity of strcat.
	* Removed use of strcpy internally.
	* Fixed problem with use of start-count and start-file.

Version 4.8.2 (02/26/2001):
	* Installed new configure script to remove C++ requirement.
	* Added more information to error messages on freed memory overwrite.
	* Added heap checking when we shutdown if check-blank is enabled.
	* Added separate ALLOC_BLANK_CHAR and FREE_BLANK_CHAR to settings.dist.

Version 4.8.1 (11/14/2000):
	* Added --enable-shlib to configure to enable building of shared libs.
	* Added autoconf handling of the shlibdir for installing shared libs.
	* Added improvements to the shared library creation in the Makefile.
	* Fixed the #ident "..."; semi-colon problem.

Version 4.8.0 (11/10/2000):
	* Added OpenBSD port information.  Hopefully Free/Net/... BSD as well.
	* Renamed malloc.h to malloc_funcs.h to avoid system conflicts.
	* Made log-unknown the default and depreciated the token.
	* Added log-known token to _only_ report on known (file/line) memory.
	* malloc_verify, dmalloc_verify now return [D]MALLOC_VERIFY_[NO]ERROR.
	* Just about every dmalloc function now initializes the library.
	* dmalloc_debug now takes unsigned-int flags and returns the old flags.
	* debug_current now returns an unsigned int flag value.
	* Added autoconfig handling of #ident. I hate Unix's lack of standards.
	* Fixed a bug in chunk.c.

Version 4.7.1 (07/25/2000):
	* Fixed problem with check-blank on but not free-blank or alloc-blank.

Version 4.7.0 (07/24/2000):
	* Added support for --disable-cxx and --enable-threads to configure.
	* Added autoconf code to see if the return macros work for an system.
	* Renamed USE_RET_ADDRESS to USE_RETURN_MACROS in settings.dist/h.
	* Added threaded C++ library support to Makefile.
	* Fixed problems with -p and -m not setting the debug flags.
	* Added 'force-linear' and depreciated the 'allow-nonlinear' token.

Version 4.6.0 (05/17/2000):
	* Reworked internal init values for env vars pointed out by Carlton.
	* Fixed bug found by Mcvey where the 1st dblock alloc in block missed.
	* Moved to 'make cxx' and 'make installcxx' for building C++ library.
	* Removed DMALLOC_VERIFY_[NO]ERROR and replaced with DMALLOC_[NO]ERROR.
	* dmalloc_examine now returns DMALLOC_[NO]ERROR not [NO]ERROR.
	* Added initial mprotect configuration and stub functions.
	* Added autoconf building of cxx library per Dimitri's comments.
	* Revamped rpm.spec and renamed to dmalloc.rpm per Dimitri's comments.

Version 4.5.2 (04/18/2000):
	* Fixed bug in chunk.c pointer checking.  Thanks Ezra.
	* Cleaned up some of the compat.[ch] headers to better match reality.
	* Reorganized dmalloc.texi documentation and moved to using makeinfo.

Version 4.5.1 (03/30/2000):
	* Fixed a compilation problem in dmalloc_lp.c.

Version 4.5.0 (03/29/2000):
	* Added new dmalloc_mark() and dmalloc_log_changed() functions.

Version 4.4.0 (03/20/2000):
	* Removed the stupid old Deansify.pl script.
	* Added rpm.spec file to the distribution.
	* Added code to fix some recursive problems with open and atexit.
	* Basically encorporated Randell's changes [finally].  Thanks dude.
	* Removed the stupid chunk.c unions.  Why did I ever do that?
	* www.dmalloc.com -> dmalloc.com.
	* Added better help messages to dmalloc.
	* Fixed Makefile.dep creation with _th.o special objects.
	* Fixed the outputting of gratuitous colons.
	* Added @uref texinfo tags and new texinfo.tex.

Version 4.3.0 (11/08/1999):
	* Fixed problems on Linux with the strdup macro. 
	* Added copyright and url info for ident and what.
	* Added support for PTHREAD_MUTEX_INITIALIZER.
	* Added USE_DMALLOC_LEAP define in the settings.dist file.
	* Dmalloc now looks in the current directory for .dmallocrc before ~.
	* Rewrote a significant piece of the dmalloc utility.
	* Increased the filename size from 40 to 100 characters.

Version 4.2.0 (03/11/1999):
	* Improved the autoconfig of abort and qsort safety.
	* Added memory tracking function to be called on each mem transaction.
	* Added DUMP_UNFREED_SUMMARY_ONLY variable to settings.dist.
	* Added MEMORY_TABLE_SIZE and MEMORY_TABLE_LOG vars to settings.dist.
	* Fixed problem with valloc exposed by moving to random().
	* Fixed long standing problem with the NEVER-REUSE token.
	* Added memory table code for grouping of allocated and non-freed mem.
	* Removed a number of static variables for string buffers.
	* Removed PERMISSION file and all references to commercial-ness.
	* Moved to internal sprintf code for snprintf, etc..
	* Added dmalloc_message to the exported list of functions.

Version 4.1.2 (12/11/1998):
	* Fixed really bad bug which basically killed pthread support.

Version 4.1.1 (11/16/1998):
	* Fixed signal autoconfiguration.

Version 4.1.0 (11/16/1998):
	* Added HTML versions of the manuals to the releases.
	* Added FREED_POINTER_DELAY in settings.h.  Delays pointer reuse.
	* Renamed allow-zero token to be allow-free-null.
	* Added LOG_TIME_NUMBER and LOG_CTIME_STRING to the settings.h.
	* Disabled the log-thread-id macro.  Use LOG_THREAD_ID in settings.h.
	* Disabled the log-stamp macro.  Use LOG_TIME_NUMBER in settings.h.
	* Added -g (--gdb) flag to dmalloc utility along with gdb script.
	* Added missing delete[] function to the C++ code.
	* Moved some settings from chunk_loc.h into settings.dist.
	* Improved the handling of free(NULL) and malloc(0) settings.
	* Added initial memalign support with a first-time error message.
	* Renamed print-error token to print-messages.
	* Increased the default max memory size from 16mb to 64mb.

Version 4.0.3 (10/15/1998):
	* Found and fixed a bug when reallocing a previous valloced section.

Version 4.0.2 (10/15/1998):
	* Fixed a problem in return.h and DMALLOC_UNKNOWN_FILE.

Version 4.0.1 (10/08/1998):
	* Added startup messages acknowledging the thread status.
	* Fixed problem with thread compilation and chunk.c.
	* Fixed possible race condition with synchronizing with external sbrks.
	* Migrated in new argv code.

Version 4.0.0 (10/04/1998):
	* Made a small change to the solaris return.h code.
	* Added recalloc support into the library.
	* Cleaned up the calloc special handling and accounting.
	* Added valloc support to the library for OSF thread libraries.
	* Improved the pthread autoconfiguration and the code.
	* Got rid of the _dmalloc_file and _dmalloc_line crap.
	* Added FTX return.h information.
	* Added direct strdup support to the library.

Version 3.3.1 (02/10/1998):
	* Shifted some flags to ints instead of longs.
	* Improved error string handling.
	* Removed allocation macros from the docs and the header.
	* Added realloc(pnt, 0) works like free(pnt).
	* Reworked log_error_info routine's dumping of the upper fence post.

Version 3.3.0 (12/08/1997):
	* Added THREAD_LOCK_INIT_VAL autoconfigure.
	* Performed some long overdue major code cleaning.
	* Renamed argv.[ch] to dmalloc_argv.[ch] to not clash with argv files.
	* Added return address handling for SGI.
	* Added better C++ overload functions.
	* Added test for DMALLOC_SIZE unsigned-ness.
	* Added a FINI_DMALLOC setting to settings.dist for OSF __fini_ stuff.
	* Added pthread lock_on -o environmental settings.

Version 3.2.1 (03/21/1997):
	* Added to dmalloc the ability to recognize its internal tags.
	* Added better documentation of auto-dmalloc_shutdown.
	* Fixed a number of signed/unsigned problems.
	* Removed autoconf rule in Makefile.all.
	* Cleaned up pthreads locking delay code.

Version 3.2.0 (01/17/1997):
	* Added catch-signals debug token.
	* Improved configure script to use cache and new autoconf macros.
	* Updated the GNU support scripts and configure.
	* Fixed the locking for pthread programs.  Dumb errors.
	* Ran new fillproto on h-files.  IMPORT -> extern.

Version 3.1.3 (12/28/1995):
	* Removed silent dumps of test program.
	* Removed some unresolved references in argv.c: strcasecmp, strdup.
	* Fixed some porting problems to Unixware.  Unsigned chars!!

Version 3.1.2 (10/10/1995):
	* Changes to basic-block handling in chunk.  Fixed non-linear code.
	* Added inital thread locking for debugging threaded programs.
	* Added settings.dist file which is copied to settings.h during config.
	* New attempts to auto-configure DMALLOC_SIZE for size_t.
	* Added dmalloc_aborting flag in case kill or abort recurses. 
	* Added new[] C++ function.

Version 3.1.1 (08/18/1995):
	* Added better non-linear processing.
	* Made non-linear now default behaviour with internal dmalloc tags.
	* Fixed up dmalloc_t to propogate errors better.

Version 3.1.0 (07/14/1995):
	* pulled manual settings out of conf.h to settings.h.
	* Added error-dump token for dumping-core and continuing on errors.

Version 3.0.7 (05/31/1995):
	* New release to fix some version problems.

Version 3.0.6 (05/12/1995):
	* Added Web pointers to online documentation.
	* Added abort() auto-configuration for KILL_PROCESS.
	* Fixed problem with NEVER_REUSE and realloc same block-size.
	* Logged starting/ending time in logfile.
	* Added thread-id tracking with conf.h option.
	* Added pointer-count tracking with conf.h option.
	* Added interation-count tracking with conf.h option.
	* Added global/relative time tracking with conf.h option.
	* Better tag output from dmalloc -t.
	* New version of argv files.
	* Fixed problem with dmalloc -c and start-count.
	* Added some messages about upcoming errors in dmalloc_t.
	* Added allow-zero token for not minding malloc(0) and free(0L).
	* Made all chunk.c global counters longs.

Version 3.0.5 (01/02/1995):
	* Fixed some old references to malloc in docs.

Version 3.0.4 (12/15/1994):
	* Definitions for DMALLOC_PNT and DMALLOC_FREE_RET.
	* Removed all STRDUP and BDUP macros.  Was anyone using them?
	* Added a "dying" message when _malloc_die is called.
	* Reworked the manual a ton.  Added Quick-Start+Installation sections.

Version 3.0.3 (11/03/1994):
	* Added dmalloc.cc C++ file to distribution.
	* Default is now to build/install a libdmalloclp.a library.
	* Removed the log-error tag.  If logfile set then errors are logged.
	* Fixed problem with new args clearing all old ones.
	* Added dmalloc.h.2 creation to config.status file.
	* Added a startup message with the debug flags used to logfile.
	* Fixed errors with FUNC_CHECK code.
	* Added default tags: default,low,medium,high,all to dmalloc.
	* Renamed 'check-free' token to 'check-blank'.
	* Made many changes to make it easier to get running with dmalloc.
	* Added long(-L)/short(-S) options to output debug-tokens in env.
	* Changed some dmalloc options:
		* -T (list-tokens) -> -D (debug-tokens)
		* -L (list-tags) -> -t (list-tags)
	* Added better error logging in chunk.
	* Added DG/UX code to return.h and atexit.c to contrib.

Version 3.0.2 (09/26/1994):
	* Fixed strtok error in dmallocrc file processing.
	* Fixed problems with env code when sprintf doesn't returns int.
	* Library now dumps the proper fence-bottom bytes on 1st pointer error.
	* Fixed casting problems on OSF.

Version 3.0.1 (09/20/1994):
	* Combined all env variables into DMALLOC_OPTIONS.
	* Added -n flag to dmalloc program for printing/not-doing actions.
	* Fixed zsh and [t]csh alias messages in documentation.
	# Added mkinstalldirs and install.sh to distribution.
	* Renamed _dmalloc_error to dmalloc_error.
	* Removed time() and getpid() from compat functions.
	* Changed DMALLOC_DEBUG_DISABLE flag to DMALLOC_DISABLE.
	* Fixed some include file auto-include messages.

Version 3.0.0 (09/08/1994):
	* Fixed a problem with some list checking.
	* Fixed possible recursion problem.
	* Tons of name changes going from malloc_dbg -> dmalloc.

Version 2.2.1 (08/27/1994):
	* Small fix to malloc_dbg.3 to remove IMPORT's.

Version 2.2.0 (08/08/1994):
	* Fixed xmalloc,xrealloc,etc. override functions.
	* Added xstrdup to the x override function list.
	* Added ability to combine adjacent free blocks into one.
	* 0 or negative MALLOC_INTERVAL values act as if no interval value.
	* Made a 'malloc_dbg -i 0' undefine MALLOC_INTERVAL.
	* Fixed calloc return-address problem.
	* Added KILL_PROCESS macro to configuration scripts.
	* Marty Leisner compiles library on MS-DOG!
	* Fixed some problems with malloc_errno set after call to error.

Version 2.1.0 (05/11/1994):
	* Fixed problem with never-reuse going on/off and check-lists.
	* Added -r (random-debug) option to malloc_t.
	* Fixed nasty bug in realloc with alloc-blank + no realloc-copy token.
	* Fixed problem with ANSI-C configure on AIX systems.
	* Fixed some race conditions with sbrk failure.
	* Added -p max-pointers argument to malloc_t.
	* Added 'log-nonfree-space' token for logging unfreed memory space.
	* Added iteration count label to all logfile output.  See conf.h.
	* Added xmalloc,xrealloc,etc. override functions.
	* Added better mechanisms for const definition.
	* Lots of install, notes, misc. changes.
	* Renamed token 'log-perror' and 'print-perror' to '...-error'.

Version 2.0.1 (02/27/1994):
	* Cleaned up a number of configure/compat functions.
	* Fixed tons of __STDC__ defines.  Finally I hope.
	* Added more commands to malloc_t to log information, etc.

Version 2.0.0 (02/18/1994):
	* Lots of changes to add argv files in place of argv subdir.
	* Added initial support for external block locating.
	* Added 'allow-nonlinear' token to remove special checks.
	* Renamed dbg_tokens.h -> debug_tok.h and dbg_values.h -> debug_val.h
	* Added -V option to malloc_dbg and desc field for debug-token list.
	* Added a debugging section to the manual.
	* Added light and heavy makefile targets for automatic testing.
	* Much improved heap code with per-block allocations (not base 2).
	* Better free list management with block splitting.

Version 1.3.6 (11/22/1993):
	* Fixed some compilation errors with non-STDC systems.

Version 1.3.5 (11/22/1993):
	* More automatic and comprehensive malloc_t testing facilities.
	* Added -T (list-tokens) to malloc_dbg: for listing of debug tokens.
	* Added 'never-reuse' token to never reuse free'd memory.
	* Added on_exit and atexit support to auto-call malloc_shutdown.
	* Added hooks to all malloc utility functions to malloc_lp.o.
	* Removed debug token log-ra since log-unknown should be enough.
	* malloc_heap_map() -> malloc_log_heap_map() for consistency.
	* Added malloc_log_unfreed() to dump non-free memory to logfile.
	* Added -m (minus) option to malloc_dbg to allow removing of tokens.
	* Added -p flag to malloc_dbg to allow adding of tokens to debug value.
	* Added DEBUG_LOG_STAMP to add timestamps to log entries.
	* Added malloc_log_stats() to dump stats to a file.
	* Re-added cfree() call.  No reason not to have it.

Version 1.3.4 (09/26/1993):
	* Fixed compat function problems, added checks for -std1 cc flags.
	* Fixed debug messages to reflect reality.
	* Added malloc_debug_current and changed #if __STDC__ -> #ifdef
	* Removed log-bad-pnt.  What an unnecessary token!

Version 1.3.3 (09/20/1993):
	* Fixed configuration problems with memcpy/bcopy and memcmp/bcmp.
	* Added free's file/line to log_bad_pnt messages.
	* Renamed all error codes to ERROR_*.

Version 1.3.2 (08/26/1993):
	* Removed MALLOC_TRACE and -t, replaced with MALLOC_ADDRESS:0.
	* Fixed some const problems.
	* Added ability of MALLOC_LOGFILE.%d for getpid

Version 1.3.1 (08/24/1993):
	* Added 'log-ra' token to log return-address info (NOTE: later removed)
	* Added the beginnings of return-address handling
	* Added -L or --list to malloc_dbg to list all the rc-file tags.

Version 1.3.0 (08/17/1993):
	* Added MALLOC_TRACE variable and malloc_dbg -t (NOTE: later removed)
	* Added some C++ from Peter Miller to the manual.
	* Removed LGPL and replaced it with fully free software notices.
	* _malloc_perror renamed to _malloc_error
	* Made malloc_address exported so it can be setable by debugger.
	* Added auto-sensing of shell by malloc_dbg and -C option.
	* Removed dblock checking tokens 'check-dblock-fence' + 'check-dblock'.

Version 1.2.6 (07/13/1993):
	* Added 'catch-null' token for quitting as soon as we get sbrk failure.

Version 1.2.5 (06/15/1993):
	* Added -r and -k options for auto-unsetting or keeping of variables.
	* Added 'log-bad-space' token and added expand_buf into chunk.c.
	* Create log_bad_pnt in chunk.

Version 1.2.4 (05/13/1993):
	* Added -v option to malloc_dbg to provide verbose output.

Version 1.2.3 (04/19/1993):
	* Renamed malloc.h to malloc_dbg.h and libmalloc.a to libmalloc_dbg.a.

Version 1.2.2 (04/14/1993):
	* Added some more point checking tests to malloc_str.

Version 1.2.1 (04/09/1993):
	* Changed to void * internally, put STDC defines in malloc.h for ANSI.
	* Made a number of changes per suggestions from the net.

Version 1.2.0 (04/06/1993):
	* Uploaded to comp.sources.unix