{"id":150228,"date":"2025-12-01T17:11:56","date_gmt":"2025-12-01T15:11:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/deniel-bernshtejn-obnovil-biblioteku-cdb"},"modified":"2025-12-01T17:11:56","modified_gmt":"2025-12-01T15:11:56","slug":"deniel-bernshtejn-obnovil-biblioteku-cdb","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/deniel-bernshtejn-obnovil-biblioteku-cdb","title":{"rendered":"Daniel Bernstein aktualizoval kni\u017enicu cdb","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Daniel J. Bernstein, zn\u00e1my expert na kryptografiu a v\u00fdvoj zabezpe\u010den\u00e9ho softv\u00e9ru, ktor\u00fd vytvoril projekty ako qmail, djbdns, NaCl, Ed25519, Curve25519 a ChaCha20-Poly1305, zverejnil vydanie projektu cdb 20250121, pon\u00fakaj\u00face form\u00e1t ukladania d\u00e1t a sprievodn\u00fa kni\u017enicu na za\u010dlenenie funkci\u00ed na pr\u00e1cu s datab\u00e1zami vo forme k\u013e\u00fa\u010d\/hodnota do aplik\u00e1ci\u00ed. Vydanie bolo vyhotoven\u00e9 po viac ne\u017e 25 rokoch od poslednej aktualiz\u00e1cie cdb 0.75, vytvorenej vo febru\u00e1ri 2000.       <\/p>\n<p>V novej verzii bol implementovan\u00fd form\u00e1t cdb64, ktor\u00fd bol preveden\u00fd na \u0161trukt\u00fary s 64-bitov\u00fdmi typmi. Na 64-bitov\u00fdch platform\u00e1ch nov\u00fd form\u00e1t umo\u017e\u0148uje vytv\u00e1ra\u0165 datab\u00e1zy s ve\u013ekos\u0165ou a\u017e do exabajtu (predt\u00fdm nemohla by\u0165 ve\u013ekos\u0165 datab\u00e1zy v\u00e4\u010d\u0161ia ako 4 GB). Datab\u00e1za je ve\u013emi kompaktn\u00e1 a pou\u017e\u00edva 4096-bajtov\u00fd hlavi\u010dku a po 48 bajtov administrat\u00edvnych inform\u00e1ci\u00ed na ka\u017ed\u00fd z\u00e1znam (pre 32-bitov\u00fa variantu hlavi\u010dka 2048 a po 24 bajtov na z\u00e1znam). Pri pr\u00edstupe k datab\u00e1ze sa vykon\u00e1vaj\u00fa len dve oper\u00e1cie pr\u00edstupu na disk v pr\u00edtomnosti k\u013e\u00fa\u010da a jedna - v jeho nepr\u00edtomnosti. Podporuje sa at\u00f3mov\u00e1 v\u00fdmena datab\u00e1zy, odoln\u00e1 vo\u010di hav\u00e1ri\u00e1m a neblokuj\u00faca pr\u00edstup na \u010d\u00edtanie.        <\/p>\n<p>In\u00e9 zmeny:  <\/p>\n<ul>\n<li class=\"l\"> Podpora zostavenia s pou\u017eit\u00edm skriptu configure a in\u0161tal\u00e1cie pr\u00edkazom \u00bbmake install\u00ab.\n<li class=\"l\">  Bola odstr\u00e1nen\u00e1 v\u00e4zba testovac\u00edch scen\u00e1rov na csh.\n<li class=\"l\"> V\u0161etky intern\u00e9 celkov\u00e9 hodnoty boli nahraden\u00e9 typom \u00bbnum\u00ab, definovan\u00fdm ako \u00bblong long\u00ab. Funkcie uint32, fmt a scan boli nahraden\u00e9 funkciami pracuj\u00facimi s typom num.\n<li class=\"l\"> Programov\u00e9 rozhranie pre pr\u00e1cu s bufferami bolo rozdelen\u00e9 na inbuf a outbuf. Rozhranie hier bolo vy\u010disten\u00e9.\n<li class=\"l\"> Z k\u00f3du boli odstr\u00e1nen\u00e9 defin\u00edcie nepou\u017e\u00edvan\u00fdch funkci\u00ed.\n<li class=\"l\"> Bolo zastaven\u00e9 pou\u017e\u00edvanie obalov, ako s\u00fa str_len, alloc, uint32, exit, error a systype.\n<li class=\"l\"> K\u00f3d bol prepracovan\u00fd, aby sa zastavilo pou\u017e\u00edvanie zastaran\u00fdch C kon\u0161trukci\u00ed, ako s\u00fa star\u00fd \u0161t\u00fdl defin\u00edcie funkci\u00ed, pr\u00e1zdne prototypy a star\u00fd \u0161t\u00fdl defin\u00edcie main().\n<li class=\"l\"> Boli zaveden\u00e9 defin\u00edcie const a static.\n<li class=\"l\"> Pri zostavovan\u00ed bol aktivovan\u00fd flag \u00bb-Wall\u00ab, a k\u00f3d bol upraven\u00fd na odstr\u00e1nenie varovan\u00ed.\n<li class=\"l\"> Pri kompil\u00e1cii boli zahrnut\u00e9 mo\u017enosti -fwrapv, -fno-delete-null-pointer-checks, -fno-strict-aliasing a -fno-strict-overflow.  <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64352\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u044d\u043d\u0438\u044d\u043b \u0411\u0435\u0440\u043d\u0448\u0442\u0435\u0439\u043d (Daniel J. Bernstein), \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0439 \u044d\u043a\u0441\u043f\u0435\u0440\u0442 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0438 \u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u043e\u0433\u043e \u041f\u041e, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u0432\u0448\u0438\u0439 \u0442\u0430\u043a\u0438\u0435 \u043f\u0440\u043e\u0435\u043a\u0442\u044b, \u043a\u0430\u043a qmail, djbdns, NaCl, Ed25519, Curve25519 \u0438 ChaCha20-Poly1305, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 cdb 20250121, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u0433\u043e \u0444\u043e\u0440\u043c\u0430\u0442 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0441\u043e\u043f\u0443\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0443\u044e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 \u0434\u043b\u044f \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u043d\u0438\u044f \u0432 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0411\u0414 \u0432 \u0444\u043e\u0440\u043c\u0435 \u043a\u043b\u044e\u0447\/\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435. \u0412\u044b\u043f\u0443\u0441\u043a \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0441\u043f\u0443\u0441\u0442\u044f \u0431\u043e\u043b\u0435\u0435 25 \u043b\u0435\u0442 [&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-150228","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u044d\u043d\u0438\u044d\u043b \u0411\u0435\u0440\u043d\u0448\u0442\u0435\u0439\u043d (Daniel J.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/sk\/blog\/news\/deniel-bernshtejn-obnovil-biblioteku-cdb\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"sk_SK\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0414\u044d\u043d\u0438\u044d\u043b \u0411\u0435\u0440\u043d\u0448\u0442\u0435\u0439\u043d \u043e\u0431\u043d\u043e\u0432\u0438\u043b \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 cdb | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0414\u044d\u043d\u0438\u044d\u043b \u0411\u0435\u0440\u043d\u0448\u0442\u0435\u0439\u043d (Daniel J.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/sk\/blog\/news\/deniel-bernshtejn-obnovil-biblioteku-cdb\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-12-01T15:11:56+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-12-01T15:11:56+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Daniel Bernstein aktualizoval kni\u017enicu cdb | ProHoster","description":"Daniel J. 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