{"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\/pl\/blog\/news\/deniel-bernshtejn-obnovil-biblioteku-cdb","title":{"rendered":"Daniel Bernstein zaktualizowa\u0142 bibliotek\u0119 cdb","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Daniel Bernstein, znany ekspert w dziedzinie kryptografii i tworzenia zabezpieczonego oprogramowania, autor projekt\u00f3w takich jak qmail, djbdns, NaCl, Ed25519, Curve25519 i ChaCha20-Poly1305, opublikowa\u0142 wydanie projektu cdb 20250121, kt\u00f3re oferuje format przechowywania danych oraz towarzysz\u0105c\u0105 bibliotek\u0119 do wbudowywania w aplikacje funkcji do pracy z bazami danych w formie klucz\/warto\u015b\u0107. Wydanie to zosta\u0142o opracowane po ponad 25 latach od ostatniej aktualizacji cdb 0.75, stworzonej w lutym 2000 roku.       <\/p>\n<p>W nowej wersji wprowadzono format cdb64, przet\u0142umaczony na struktury z 64-bitowymi typami. Na platformach 64-bitowych nowy format pozwala na tworzenie baz danych o wielko\u015bci do eksabajta (wcze\u015bniej rozmiar bazy danych nie m\u00f3g\u0142 przekracza\u0107 4 GB). Baza danych jest bardzo kompaktowa i wykorzystuje 4096-bajtowy nag\u0142\u00f3wek oraz 48 bajt\u00f3w informacji pomocniczej na ka\u017cdy wpis (dla 32-bitowej wersji nag\u0142\u00f3wek ma 2048 bajt\u00f3w i po 24 bajty na wpis). Przy dost\u0119pie do bazy danych wykonuje si\u0119 jedynie dwie operacje dost\u0119pu do dysku w przypadku posiadania klucza oraz jedn\u0105 \u2014 w przypadku jego braku. Wspierana jest atomowa wymiana bazy danych, odporna na awarie i nie blokuj\u0105ca dost\u0119pu do odczytu.        <\/p>\n<p>Inne zmiany:  <\/p>\n<ul>\n<li class=\"l\"> Wsparcie dla kompilacji z u\u017cyciem skryptu configure i instalacji komend\u0105 \u201emake install\u201d.\n<li class=\"l\">  Usuni\u0119to powi\u0105zanie scenariuszy testowych z csh.\n<li class=\"l\"> Wszystkie wewn\u0119trzne warto\u015bci ca\u0142kowite zosta\u0142y zast\u0105pione typem \u201enum\u201d, okre\u015blonym jako \u201elong long\u201d. Funkcje uint32, fmt i scan zosta\u0142y zast\u0105pione funkcjami, kt\u00f3re dzia\u0142aj\u0105 z typem num.\n<li class=\"l\"> Interfejs programowania do pracy z buforami zosta\u0142 podzielony na inbuf i outbuf. Przeprowadzono czyszczenie interfejsu hier.\n<li class=\"l\"> Usuni\u0119to definicje nieu\u017cywanych funkcji z kodu.\n<li class=\"l\"> Zaprzestano u\u017cywania powi\u0105za\u0144, takich jak str_len, alloc, uint32, exit, error i systype.\n<li class=\"l\"> Kod zosta\u0142 przerobiony, aby zaprzesta\u0107 u\u017cywania przestarza\u0142ych konstrukcji C, takich jak stary styl definiowania funkcji, puste prototypy i stary styl definiowania main().\n<li class=\"l\"> Wykorzystano definicje const i static.\n<li class=\"l\"> Podczas kompilacji aktywowano flag\u0119 \u201e-Wall\u201d, a kod zosta\u0142 oczyszczony z ostrze\u017ce\u0144.\n<li class=\"l\"> Podczas kompilacji w\u0142\u0105czono opcje -fwrapv, -fno-delete-null-pointer-checks, -fno-strict-aliasing i -fno-strict-overflow.  <\/ul>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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\/pl\/blog\/news\/deniel-bernshtejn-obnovil-biblioteku-cdb\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"pl_PL\" \/>\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\/pl\/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 zaktualizowa\u0142 bibliotek\u0119 cdb | ProHoster","description":"Daniel J. 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