Revision history for Perl extension Devel::Size.

0.77 2011-05-16 nicholas
[no changes]

0.76_50 2011-05-12 nicholas

• Split out HEK size calculation into hek_size(). Add the shared HE overhead.
• Handle shared hash key scalars correctly.
• GvNAME() is shared from 5.10 onwards.
• Count HvNAME(), the HV "aux" struct, the mro_meta struct, and ENAMEs.

0.76 2011-05-11 nicholas

• Just fix the version number in the line below.

0.75_52 2011-05-09 nicholas

• Use a table for SV body sizes. These incorporate the space saving post 5.8.x
• Correctly handle SvOOK scalars. 5.12 and later don't use SvIVX().
• Magic vtables aren't freed when magic is freed, so don't count them. (They are static structures. Anything that assumes otherwise is buggy.)
• Reinstate 5.6.x "support". (i.e. it compiles and passes tests.)
• Reinstate 5.005_xx "support". (i.e. it compiles and passes tests.)

0.75_51 2011-05-05 nicholas

• Only use a static array of vtables on gcc.

0.75_50 2011-05-04 nicholas

• The core's magic vtables are global constants, so aren't part of the size.
• Follow mg_obj and mg_ptr.

0.75 2011-05-04 nicholas
[no changes]

0.74_53 2011-05-01 nicholas

• Fix typo error in bit-vector tracking mechanism. On 64 bit platforms which allocate on 8 byte alignment (rather than 16), a low pointer bit could get lost, resulting in new pointers being considered already "seen". "Found" by BinGOs' smoker, fixed on spectre.mongueurs.net. Thanks.

0.74_52 2011-04-23 nicholas

• Fix potential SEGVs for OP_AELEMFAST on a lexical (eg $foo[3])
• Fix likely SEGVs for PVOPs (missing break)
• Fix potential SEGVs for PVBMs on 5.10 and later
• Move hash and array traversal from total_size() to sv_size()
  • this allows total_size() and size() to be XS ALIASes.

0.74_51 2011-04-22 nicholas

• Don't count PL_sv_{undef,no,yes} in the size returned
• total_size() was double-counting entries in typeglobs
• sv_size() was double-counting the PVGV size if GvEGV() looped back
• fix classic off-by-one error - the answer is strlen() + 1, not just strlen()

0.74_50 2011-04-19 nicholas

• Ensure that size() doesn't add the referent's size for non SVt_RV references

0.74 2011-04-19 nicholas

• Correct the Makefile.PL - LICENSE was added to ExtUtils::MakeMaker in 6.31

0.73_51 2011-04-17 nicholas

• Refactor the C code to accumulate the size inside the tracking structure
  • this means that the C *size() functions now return void
  • The XS functions size() and totalsize() now return UV, not IV

0.73_50 2011-04-17 nicholas

• Avoid using assert() on ithreaded 5.8.8 and earlier, as it needs my_perl
• Fix the test added in 0.73, as it tripped over a combination of bugs

0.73 2011-04-16 nicholas

• Revert a bad assertion introduced in 0.72_50, which was logically wrong.
  • and a test to demonstrate one case that would trigger it

0.72_52 2011-04-15 nicholas

• Add a test for the non-exceptional warnings.

0.72_51 2011-04-15 nicholas

• Add PERL_NO_GET_CONTEXT to improve performance under multiplicity

0.72_50 2011-04-14 nicholas

• Exception handling is totally MSVC specific, so only use it there
  • this means that we don't need to use a C++ compiler anywhere
• Rework bit-vector tracking mechanism to use a 256-way tree. This avoids making assumptions about 64-bit platforms' memory layouts, and eliminates the fatal error introduced in 0.72 when the assumption was violated.
• Convert to XSLoader
• Resolve CPAN #49437 (Devel::Size adds magic in Perl 5.10)
• Resolve CPAN #58484 and #58485 (related to CVs that are XSUBs)

0.72 2008-10-14 BrowserUk 70 tests

• Added bit-vector pointer tracking mechanism.
  • new fatal error (64-bit platforms only)
• Added exception handling
  • 4 new warnings (disabled by default)
• Updated POD to reflect above
• Added basic.t test 13
• replaced Module::Install with hand crafted EU::MM Makefile.pl (With many thanks to Sisyphus) because we couldn't work out how to add C++ options to allow exception handling.

0.71 2008-08-24 Tels 69 tests

• adapt patch from Reini Urban to fix failing RV under 5.10 and 5.11. AV and HV were pushed directly onto the pending_array, and not the RV, which caused #33530. So he rewrote the logic to deref the RV inside the array traversal. Applied this with one small omission, which caused test faiures.
• Fixed 5.11 RV/IV logic. (Thanx Reini Urban!)
• Removed one duplicate total_size arrayref test. (Thanx Reini Urban!)
• changed //printf to dbg_printf() (Thanx Reini again!)

0.70 2008-08-23 Tels 69 tests

• fix SEGFAULTS under v5.10 (Thanx Reini Urban!)
• fix compilation under blead (Thanx Reini Urban!)
• require Perl 5.006 (to stop CPANTESTERS sending bogus reports about failed compiling on ancient Perls)
• update the bundles Module::Install to v0.77

0.69 2007-08-11 Tels 69 tests

• fix compilation under Perl v5.9.5 and v5.10 (Thanx Steve Peters!)
• clarify the license by specifying Perl v5.8.8's license
• small doc fixes, add a README file

0.68 2007-06-12 Tels 69 tests

• remove a bit of duplicate code in op_size, the second instance was a no-op anyway
• fix the failing tests by rewriting the test logic to be sane
• the count of array slots was off by one

0.67 2007-03-15 Tels 20 tests

• rip out Build.PL since it doesn't actually work
• fix bug #1653: All SVPV subtype may contain an RV instead of a PV (Thanx a lot Jan, and sorry for the truly horrible long delay!)
• fix bug #24846: Does not correctly recurse into references in PVNV (Thanx STEVIEO)
• add t/recurse.t that tests the two bugfixes in combination

0.66 2007-03-02 Tels 15 tests

• fix the failing test (the code was right, but the test wrong)

0.65 2007-02-24 Tels 15 tests

• fix the test failings under 64 bit (bugs #21037, #18596, #21404)
• fix wrong size for strings (bug #17586)
• reverse Changelog (bug #16636)
• Size.xs: remove unused variable "count"
• Size.xs: fix warnings about missing ()
• Size.xs: fix size of array refs when AvALLOC == 0
• Modernize package: + maintained by me, signed with my key + bundle Module::Install and use it + add POD tests + rewrite tests to use Test::More; add more tests

0.64 Mon Dec 19 18:46:00 2005

• Patch to make Devel::Size compile on bleadperl (Courtesy of Nick Clark)
  • Fix up the PVIV string size calcs (Courtesy of Andrew Shirrayev)

0.63 Thu Jun 30 14:29:43 2005

• Turns out that OP_TRANS is a basic op, not a loop op. This is a bug in versions of perl 5.8.x before 5.8.7. Work around it.

0.62 Tue Jun 28 11:59:00 2005

• Took out // comments
  • Added in copyright notice
  • Some small amount of regex parsing
  • Suppress multiple copies of each warning on each call

0.61 Mon Jun 27 16:19:00 2005

• Added more checks for formats
  • Got CVs sizing right

0.59 Sat Nov 27 16:42:42 2004

• Applied documentation and sane warning patch from Nigel Sandever
• Taught Devel::Size how to size up IO and globs properly

0.58 Fri Jul 18 11:42:32 2003

• Fix for problems triggered by perl 5.8.0 and up, more tests, and removal of an "our" for better backwards compatibility. (Courtesy of Marcus Holland-Moritz <mhx-perl@gmx.net>)

0.57 Thu Mar 20 13:21:14 2003

• setting $Devel::Size::warn to 0 disables not complete warnings

0.56 Mon Feb 24 12:10:13 2003

• Chopped out some C++ comments. D'oh! Version incremented for CPAN

0.55 Sat Feb 22 17:21:00 2003

• Fixed a bad size calculation (we were overestimating by one byte)
  • Updated the docs to show some of the places that there might be 'dark' memory that Devel::Size can't see.
  • Added in tests from Ken Williams

0.54 Sat Oct 12 14:11:00 2002

• Applied a patch to get it working on 5.8.0 under Tru64

0.53 Thu Oct 10 12:30:00 2002

• Finally started updating Changes file
  • Applied doc patch from Ann Barcomb
  • Got globs sizing right

0.01 Mon Oct 7 01:05:32 2002

• original version; created by h2xs 1.2 with options -A -n Devel::Size