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* Backout the contributed patch memaccounting from Postgres since it changesdgp2016-02-011-14/+70
| | | the protections incompatibly and causes established tests to crash.
* Adaptation of most of the re-mopup.patch from Tom Lane @ postgress.dgp2015-10-201-34/+16
| | | Still should add the new tests.
* Adaptation of re-memaccounting.patch from Tom Lane @postgres.dgp2015-10-201-70/+14
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* Adaptation of re-better-pushpull.patch from Tom Lane @postgresdgp2015-10-201-38/+117
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* Adaptation of re-better-fixempties.patch from Tom Lane @ postgres.dgp2015-10-201-131/+134
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* Adaptation of re-oNsquared.patch from Tom Lane @ postgres.dgp2015-10-191-97/+708
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* Adaptation of the patch re-fixconstraintloops.patch fromdgp2015-10-191-54/+601
| | | http://www.postgresql.org/message-id/19394.1444865029@sss.pgh.pa.us
* [818a1a51e4] Apply fixes from Andreas Seltenreich (reported to us by Tom ↵dkf2015-08-171-0/+1
| | | | Lane) for handling low memory situations. Should not be reachable in Tcl due to ckalloc() panic policy.
* Assert an equality test, not an assignment.dgp2014-07-161-1/+1
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* Cleaner error handling in fixempties().dgp2013-03-061-2/+5
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| * Cleaner error handling in fixempties().dgp2013-03-061-2/+4
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| * Rework into Tcl 8.4 coding style (closer to original Spencer).dgp2013-03-061-174/+177
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| * Indent reduction in fixempties().dgp2013-03-061-19/+19
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| * Use flag argument to combine copy(nonempty)* routines into copy* routines.dgp2013-03-061-54/+20
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| * New routine hasnonemptyout() for minor improvement to new fixempties().dgp2013-03-061-1/+17
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| * Contributed patch from Tom Lane <tgl@users.sf.net>. Merge conflicts due todgp2013-03-051-91/+258
| | | | | | different coding style and lingering obsolete compiler support resolved.
* | Rework into Tcl 8.5+ coding style.dgp2013-03-061-50/+69
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* | Indent reduction in fixempties()dgp2013-03-061-19/+19
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* | Use flag argument to combine copy(nonempty)* routines into copy* routines.dgp2013-03-061-54/+22
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* | New routine hasnonemptyout() for minor improvement to new fixempties().dgp2013-03-061-1/+17
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* | Contributed regexp engine patch from Tom Lane. Backports clean from trunk.dgp2013-03-051-80/+229
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* | 3604074 Fix regexp optimization to stop hanging on the expressiondgp2013-02-151-39/+57
|\ \ | |/ | | ((((((((a)*)*)*)*)*)*)*)* . Thanks to Bjørn Grathwohl for discovery.
| * New branch bug-3604074 with improved patch to correct fixempties() failurebug_3604074dgp2013-02-141-30/+50
| | | | | | to converge.
| * Fixes for problems created when processing regular expressions thatdkf2007-12-181-1/+63
| | | | | | | | | | | | | | generate very large automata. An enormous number of thanks to Will Drewry <wad@google.com>, Tavis Ormandy <taviso@google.com>, and Tom Lane <tgl@sss.pgh.pa.us> from the Postgresql crowd for their help in tracking these problems down. [Bug 1810264]
| * * generic/regc_nfa.c: Fixed infinite loop in the regexp compilerdgp2007-11-151-1/+45
| | | | | | | | | | | | | | * generic/regcomp.c: [Bug 1810038]. Corrected looping logic in * tests/regexp.test: fixempties() to avoid wasting time walking a list of dead states [Bug 1832612]. Convert optst() from expensive no-op to a cheap no-op. Improve newline usage in debug output.
* | Fixes for problems created when processing regular expressions thatdkf2007-12-181-2/+73
| | | | | | | | | | | | | | generate very large automata. An enormous number of thanks to Will Drewry <wad@google.com>, Tavis Ormandy <taviso@google.com>, and Tom Lane <tgl@sss.pgh.pa.us> from the Postgresql crowd for their help in tracking these problems down. [Bug 1810264]
* | * generic/regc_nfa.c: Fixed infinite loop in the regexp compiler.dgp2007-11-151-0/+41
| | | | | | | | [Bug 1810038].
* | * generic/regc_nfa.c: Corrected looping logic in fixempties() todgp2007-11-151-1/+2
| | | | | | | | avoid wasting time walking a list of dead states. [Bug 1832612]
* | Eliminate multi-char collating element code completely. Simplifies the codedkf2007-11-141-1/+1
| | | | | | | | | | quite a bit. If people still want the full code, it will remain on the 8.4 branch. [Bug 1831425]
* | Minor cleanup of RE compiler code, gradually gradually making it more Tcl-ish.dkf2007-09-101-90/+94
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* | * generic/regc_color.c (uncolorchain):Miguel Sofer2006-09-271-2/+2
| | | | | | | | | | | | * generic/regc_nfa.c (freearc): changed tests and asserts to equivalent formulation, designed to avoid an explicit comparison to NULL and satisfy coverity that 6 and 9 are not bugs.
* | ANSIfy the RE compiler.dkf2005-11-091-1135/+1301
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* * generic/regc_nfa.c:stanton1999-08-051-4/+4
| | | | | | | | | * generic/regcomp.c: * generic/rege_dfa.c: * generic/regexec.c: * generic/regguts.h: Applied patches supplied by Henry Spencer to greatly enhance the performance of certain classes of regular expressions. [Bug: 2440, 2447]
* * tests/reg.test:stanton1999-06-021-17/+64
| | | | | | | | | | | | | | | | | | | | | | | | * generic/regc_color.c: * generic/regc_cvec.c: * generic/regc_lex.c: * generic/regc_locale.c: * generic/regc_nfa.c: * generic/regcomp.c: * generic/regcustom.h: * generic/rege_dfa.c: * generic/regerror.c: * generic/regerrs.h: * generic/regex.h: * generic/regexec.c: * generic/regfree.c: * generic/regfronts.c: * generic/regguts.h: * generic/tclCmdMZ.c: * generic/tclRegexp.c: * generic/tclRegexp.h: * generic/tclTest.c: Applied Henry Spencer's latest regexp patches that fix an infinite loop bug and add support for testing whether a string could match with additional input. [Bug: 2117]
* merged tcl 8.1 branch back into the main trunkstanton1999-04-161-0/+1528
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