{"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\/nl\/blog\/news\/deniel-bernshtejn-obnovil-biblioteku-cdb","title":{"rendered":"Daniel Bernstein heeft de cdb-bibliotheek ge\u00fcpdatet","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Daniel J. Bernstein, een bekende expert op het gebied van cryptografie en het maken van beveiligde software, die projecten heeft ontwikkeld zoals qmail, djbdns, NaCl, Ed25519, Curve25519 en ChaCha20-Poly1305, heeft de uitgave van het cdb-project 20250121 gepubliceerd, dat een gegevensopslagsysteem en een bijbehorende bibliotheek biedt voor het integreren van database-functionaliteit in de vorm van sleutel\/waarde in applicaties. Deze uitgave is meer dan 25 jaar na de laatste update van cdb 0.75, die in februari 2000 is gemaakt, gerealiseerd.       <\/p>\n<p>In de nieuwe versie is het cdb64-formaat ge\u00efmplementeerd, omgezet naar structuren met 64-bits typen. Op 64-bits platforms stelt het nieuwe formaat in staat om databases van maximaal een exabyte te cre\u00ebren (voorheen was de maximale databasegrootte 4 GB). De database is zeer compact en gebruikt een 4096-bits kop en 48 bytes aan metadata voor elke record (voor de 32-bits variant is dat een kop van 2048 bits en 24 bytes per record). Bij toegang tot de database worden er slechts twee schijftoegangoperaties uitgevoerd als de sleutel aanwezig is, en \u00e9\u00e9n als deze niet aanwezig is. Atomair vervangen van de database wordt ondersteunt, bestand tegen onverwachte afsluitingen en blokkeert de toegang voor lezen niet.        <\/p>\n<p>Andere wijzigingen:  <\/p>\n<ul>\n<li class=\"l\"> Ondersteuning voor het bouwen met behulp van het configure-script en installatie met de opdracht \u2018make install\u2019.\n<li class=\"l\">  De koppeling van testscenario's aan csh is verwijderd.\n<li class=\"l\"> Alle interne gehele waarden zijn vervangen door het type \u2018num\u2019, dat is gedefinieerd als \u2018long long\u2019. De functies uint32, fmt en scan zijn vervangen door functies die met het type num werken.\n<li class=\"l\"> De programmeerinterface voor het werken met buffers is verdeeld in inbuf en outbuf. De interface hier is opgeschoond.\n<li class=\"l\"> Definities van ongebruikte functies zijn uit de code verwijderd.\n<li class=\"l\"> Het gebruik van wrappers zoals str_len, alloc, uint32, exit, error en systype is stopgezet.\n<li class=\"l\"> De code is herschreven om het gebruik van verouderde C-constructies te stoppen, zoals de oude stijl van functie-definities, lege prototypes en de oude stijl van het defini\u00ebren van main().\n<li class=\"l\"> Definities van const en static zijn ingeschakeld.\n<li class=\"l\"> Bij het bouwen is de vlag \u2018-Wall\u2019 ingeschakeld en is de code opgeschoond om waarschuwingen te verhelpen.\n<li class=\"l\"> Bij het compileren zijn de opties -fwrapv, -fno-delete-null-pointer-checks, -fno-strict-aliasing en -fno-strict-overflow ingeschakeld.  <\/ul>\n<p>Bron: <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 5.0.3 - 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\/nl\/blog\/news\/deniel-bernshtejn-obnovil-biblioteku-cdb\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"nl_NL\" \/>\n\t\t<meta 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