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2024-07-25Fix memory leak in Regexp capture group when timeoutPeter Zhu
[Bug #20650] The capture group allocates memory that is leaked when it times out. For example: re = Regexp.new("^#{"(a*)" * 10_000}x$", timeout: 0.000001) str = "a" * 1000000 + "x" 10.times do 100.times do re =~ str rescue Regexp::TimeoutError end puts `ps -o rss= -p #{$$}` end Before: 34688 56416 78288 100368 120784 140704 161904 183568 204320 224800 After: 16288 16288 16880 16896 16912 16928 16944 17184 17184 17200 Notes: Merged: https://github.com/ruby/ruby/pull/11238
2023-06-09Optimize `Regexp#dup` and `Regexp.new(/RE/)`Nobuyoshi Nakada
When copying from another regexp, copy already built `regex_t` instead of re-compiling its source. Notes: Merged: https://github.com/ruby/ruby/pull/7922
2023-04-19Refactor `Regexp#match` cache implementation (#7724)TSUYUSATO Kitsune
* Refactor Regexp#match cache implementation Improved variable and function names Fixed [Bug 19537] (Maybe fixed in https://github.com/ruby/ruby/pull/7694) * Add a comment of the glossary for "match cache" * Skip to reset match cache when no cache point on null check Notes: Merged-By: makenowjust <make.just.on@gmail.com>
2022-12-14Add `Regexp.linear_time?` (#6901)TSUYUSATO Kitsune
Notes: Merged-By: makenowjust <make.just.on@gmail.com>
2022-11-09Reduce warningsTSUYUSATO Kitsune
2022-11-09Revert "Refactor field names"TSUYUSATO Kitsune
This reverts commit 1e6673d6bbd2adbf555d82c7c0906ceb148ed6ee.
2022-11-09Refactor field namesTSUYUSATO Kitsune
2022-11-09Support OP_REPEAT and OP_REPEAT_INCTSUYUSATO Kitsune
2022-10-25Prevent potential buffer overrun in onigmoYusuke Endoh
A code pattern `p + enclen(enc, p, pend)` may lead to a buffer overrun if incomplete bytes of a UTF-8 character is placed at the end of a string. Because this pattern is used in several places in onigmo, this change fixes the issue in the side of `enclen`: the function should not return a number that is larger than `pend - p`. Co-Authored-By: Nobuyoshi Nakada <nobu@ruby-lang.org> Notes: Merged: https://github.com/ruby/ruby/pull/6628
2022-03-30re.c: Add Regexp.timeout= and Regexp.timeoutYusuke Endoh
[Feature #17837] Notes: Merged: https://github.com/ruby/ruby/pull/5703
2019-05-07Reduce ONIG_NREGION from 10 to 4: power of 2 and testing revealed most ↵Lourens Naudé
pattern matches are less than or equal to 4 results Closes: https://github.com/ruby/ruby/pull/2135
2019-04-24Only define history_root member of the Oniguruma re_registers struct if ↵Lourens Naudé
USE_CAPTURE_HISTORY is enabled
2017-12-01Update to Onigmo 6.1.3-669ac9997619954c298da971fcfacccf36909d05.naruse
[Bug #13892] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60966 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-05-17Merge Onigmo 6.1.2naruse
https://github.com/k-takata/Onigmo/commit/1364ae3488cac0acbf2d61ef3ce2b62fe0c0f528 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58768 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-02-11Merge Onigmo 6.1.1naruse
* Support absent operator https://github.com/k-takata/Onigmo/issues/82 * https://github.com/k-takata/Onigmo/blob/Onigmo-6.1.1/HISTORY git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57603 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-12-10Merge Onigmo 6.0.0naruse
* https://github.com/k-takata/Onigmo/blob/Onigmo-6.0.0/HISTORY * fix for ruby 2.4: https://github.com/k-takata/Onigmo/pull/78 * suppress warning: https://github.com/k-takata/Onigmo/pull/79 * include/ruby/oniguruma.h: include onigmo.h. * template/encdb.h.tmpl: ignore duplicated definition of EUC-CN in enc/euc_kr.c. It is defined in enc/gb2313.c with CRuby macro. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57045 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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