{"id":100329,"date":"2021-05-31T04:22:37","date_gmt":"2021-05-31T02:22:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-biblioteki-pcre2-10-37"},"modified":"2021-05-31T04:22:37","modified_gmt":"2021-05-31T02:22:37","slug":"vypusk-biblioteki-pcre2-10-37","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-biblioteki-pcre2-10-37","title":{"rendered":"Vyd\u00e1n\u00ed knihovny PCRE2 10.37","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bylo vyd\u00e1no vyd\u00e1n\u00ed knihovny PCRE2 10.37, poskytuj\u00edc\u00ed sadu funkc\u00ed v jazyce C s implementac\u00ed regul\u00e1rn\u00edch v\u00fdraz\u016f a prost\u0159edk\u016f pro porovn\u00e1v\u00e1n\u00ed vzor\u016f (pattern matching), kter\u00e9 jsou syntakticky a s\u00e9manticky bl\u00edzk\u00e9 regul\u00e1rn\u00edm v\u00fdraz\u016fm jazyka Perl 5. PCRE2 p\u0159edstavuje p\u0159epracovanou implementaci p\u016fvodn\u00ed knihovny PCRE s nekompatibiln\u00edm API a roz\u0161\u00ed\u0159en\u00fdmi mo\u017enostmi. Knihovna byla zalo\u017eena v\u00fdvoj\u00e1\u0159i po\u0161tovn\u00edho serveru Exim a \u0161\u00ed\u0159\u00ed se pod licenc\u00ed BSD.    <\/p>\n<p>Hlavn\u00ed zm\u011bny:  <\/p>\n<ul>\n<li class=\"l\"> Z knihovny libpcre2-posix byly odstran\u011bny symboly POSIX funkc\u00ed, jako je regcomp, proto\u017ee zp\u016fsobovaly probl\u00e9my v n\u011bkter\u00fdch aplikac\u00edch. Patch pcre2-symbol-clash.patch byl p\u0159ijat do upstreamu. Tak\u00e9 byla aktualizov\u00e1na verze ABI t\u00e9to knihovny.\n<li class=\"l\"> Byl opraven probl\u00e9m, kter\u00fd hypoteticky vedl k dereferencov\u00e1n\u00ed null ukazatele.\n<li class=\"l\"> Opraveny byly dv\u011b chyby p\u0159i zpracov\u00e1n\u00ed velmi velk\u00fdch \u010d\u00edsel, kter\u00e9 vedly k chov\u00e1n\u00ed nesouladn\u00e9mu s motorem regul\u00e1rn\u00edch v\u00fdraz\u016f Perl. Nap\u0159\u00edklad v\u00fdraz \"\/\\214748364\/\" vedl k p\u0159ete\u010den\u00ed m\u00edsto zpracov\u00e1n\u00ed jako osmi\u010dkov\u00e9 \u010d\u00edslo \"\\214\" s n\u00e1sleduj\u00edc\u00edmi znaky \"748364\".\n<li class=\"l\"> Opraveno nespr\u00e1vn\u00e9 chov\u00e1n\u00ed p\u0159i pou\u017eit\u00ed operace \"\\K\" v \u0161ablon\u00e1ch.\n<li class=\"l\"> Do JIT byla vr\u00e1cena optimalizace operac\u00ed opakov\u00e1n\u00ed znaku.   <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55234\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u044b\u0448\u0435\u043b \u0440\u0435\u043b\u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 PCRE2 10.37, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u043d\u0430\u0431\u043e\u0440 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u044b\u0445 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0439 \u0438 \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u0441\u043e\u043f\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441 \u043e\u0431\u0440\u0430\u0437\u0446\u043e\u043c (pattern matching), \u0431\u043b\u0438\u0437\u043a\u0438\u0445 \u043f\u043e \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441\u0443 \u0438 \u0441\u0435\u043c\u0430\u043d\u0442\u0438\u043a\u0435 \u043a \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u044b\u043c \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044f\u043c \u044f\u0437\u044b\u043a\u0430 Perl 5. PCRE2 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b\u044c\u043d\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 PCRE \u0441 \u043d\u0435\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u044b\u043c API \u0438 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u043d\u044b\u043c\u0438 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044f\u043c\u0438. \u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c\u0438 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Exim \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-100329","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412\u044b\u0448\u0435\u043b \u0440\u0435\u043b\u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 PCRE2 10.37, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u043d\u0430\u0431\u043e\u0440 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0441 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