{"id":115154,"date":"2024-04-18T14:30:01","date_gmt":"2024-04-18T12:30:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/linus-torvalds-vystupil-protiv-parserov-kconfig-ne-podderzhivayushhih-tabulyacziyu"},"modified":"2024-04-18T14:30:01","modified_gmt":"2024-04-18T12:30:01","slug":"linus-torvalds-vystupil-protiv-parserov-kconfig-ne-podderzhivayushhih-tabulyacziyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/linus-torvalds-vystupil-protiv-parserov-kconfig-ne-podderzhivayushhih-tabulyacziyu","title":{"rendered":"Linus Torvalds talte imod Kconfig-parsere, der ikke underst\u00f8tter tabulatorer","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Linus Torvalds n\u00e6gtede at acceptere en \u00e6ndring i kernen, der ville erstatte tabulator-tegnet med et mellemrum i separatoren for parameteren FTRACE_RECORD_RECURSION_SIZE i Kconfig-kernens konfiguration. \u00c6ndringen blev foresl\u00e5et af en udvikler fra Fedora-projektet med bem\u00e6rkningen, at brugen af tabulatorer f\u00f8rer til nedbrud af konfigurationsparseren. I stedet for den foresl\u00e5ede \u00e6ndring inkluderede Linus sin egen patch i kernen, der specifikt tilf\u00f8jer tabulatorer til definitionen af indstillingen PAGE_SHIFT, som angiver offset for forskellige st\u00f8rrelser af hukommelsessider. <\/p>\n

Tilf\u00f8jelsen af tabulatorer i indstillingerne, mere betydningsfulde end FTRACE_RECORD_RECURSION_SIZE, skyldes, at b\u00e5de mellemrum og tabulatorer kan anvendes i konfigurationsfilen til kernen. Hvis parseren ikke kan analysere en linje med en tabulator korrekt \u2014 s\u00e5 er det et problem med parseren, der skal l\u00f8ses der. Kommandoen \u00abmake defconfig\u00bb h\u00e5ndterer tabulatorer korrekt, s\u00e5 ogs\u00e5 eksterne parserne b\u00f8r kunne behandle dem. <\/p>\n

Tilf\u00f8jelsen af b\u00e5de mellemrum og tabulatorer i den medf\u00f8lgende Kconfig vil afsl\u00f8re problematiske parsere og motivere til deres rettelse. Ideen om at tilpasse kernen til fejlbeh\u00e6ftede parsere betragtes som utilstr\u00e6kkelig, da selvom der i den standard Kconfig altid kun vil v\u00e6re mellemrum, har den almindelige bruger ret til at anvende tabulatorer i indstillingerne p\u00e5 sine systemer, hvilket kan medf\u00f8re nedbrud i uoprettede tredjeparts parsere.
\n
Kilde: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\u043f\u0440\u043e\u0435\u043a\u0442\u0430 Fedora \u0441 \u043f\u0440\u0438\u043c\u0435\u0447\u0430\u043d\u0438\u0435\u043c, \u0447\u0442\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0442\u0430\u0431\u0443\u043b\u044f\u0446\u0438\u0439 \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442 \u043a \u0441\u0431\u043e\u044e \u0432 \u0440\u0430\u0431\u043e\u0442\u0435 \u043f\u0430\u0440\u0441\u0435\u0440\u0430 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438. \u0412\u043c\u0435\u0441\u0442\u043e \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u041b\u0438\u043d\u0443\u0441 \u0432\u043a\u043b\u044e\u0447\u0438\u043b \u0432 \u044f\u0434\u0440\u043e \u0441\u0432\u043e\u0439 \u043f\u0430\u0442\u0447, \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u0438\u043c\u0432\u043e\u043b\u044b \u0442\u0430\u0431\u0443\u043b\u044f\u0446\u0438\u0438 \u0432 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 PAGE_SHIFT, […]<\/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-115154","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Linus Torvalds kritiserede Kconfig-parsere, der ikke underst\u00f8tter tabulatorer | ProHoster","description":"Linus Torvalds n\u00e6gtede at acceptere en \u00e6ndring i kernen, der ville 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