{"id":103436,"date":"2022-02-25T21:37:00","date_gmt":"2022-02-25T19:37:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-yadre-linux-5-18-planiruyut-razreshit-ispolzovanie-standarta-yazyka-si-c11"},"modified":"2022-02-25T21:37:00","modified_gmt":"2022-02-25T19:37:00","slug":"v-yadre-linux-5-18-planiruyut-razreshit-ispolzovanie-standarta-yazyka-si-c11","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/v-yadre-linux-5-18-planiruyut-razreshit-ispolzovanie-standarta-yazyka-si-c11","title":{"rendered":"Le noyau Linux 5.18 pr\u00e9voit de permettre l'utilisation de la norme du langage C C11.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Lors des discussions sur l'ensemble de correctifs pour r\u00e9soudre les probl\u00e8mes li\u00e9s aux vuln\u00e9rabilit\u00e9s de type Spectre dans le code des listes cha\u00een\u00e9es, il est devenu clair que le probl\u00e8me pourrait \u00eatre r\u00e9solu de mani\u00e8re plus \u00e9l\u00e9gante si le noyau permettait l'utilisation de code en langage C conforme \u00e0 une version plus r\u00e9cente de la norme. Actuellement, le code ajout\u00e9 au noyau doit respecter la sp\u00e9cification ANSI C (C89), \u00e9tablie en 1989.     <\/p>\n<p>Le probl\u00e8me li\u00e9 \u00e0 Spectre dans le code a \u00e9t\u00e9 caus\u00e9 par la continuation de l'utilisation d'un it\u00e9rateur d\u00e9fini s\u00e9par\u00e9ment apr\u00e8s la boucle \u2014 pour parcourir les \u00e9l\u00e9ments d'une liste cha\u00een\u00e9e, un macro est utilis\u00e9 et comme l'it\u00e9rateur de la boucle est pass\u00e9 \u00e0 cette macro, il est d\u00e9fini en dehors de la boucle elle-m\u00eame et reste accessible apr\u00e8s la boucle. L'utilisation de la norme C99 aurait permis de d\u00e9finir des variables pour la boucle dans le bloc for(), ce qui aurait r\u00e9solu le probl\u00e8me sans avoir \u00e0 inventer des solutions de contournement.      <\/p>\n<p>Linus Torvalds a accept\u00e9 l'id\u00e9e de mettre en \u0153uvre le support des sp\u00e9cifications plus r\u00e9centes et a propos\u00e9 de passer dans le noyau 5.18 \u00e0 l'utilisation de la norme C11, publi\u00e9e en 2011. Lors d'une v\u00e9rification pr\u00e9liminaire, la compilation dans GCC et Clang en mode nouveau s'est effectu\u00e9e sans anomalies. Si lors de tests plus approfondis aucun probl\u00e8me inattendu n'appara\u00eet, dans les scripts de construction du noyau 5.18, l'option \u2018\u2014std=gnu89\u2019 sera remplac\u00e9e par \u2018\u2014std=gnu11 -Wno-shift-negative-value\u2019. L'utilisation de la norme C17 a \u00e9galement \u00e9t\u00e9 envisag\u00e9e, mais dans ce cas, il aurait fallu augmenter la version minimale prise en charge de GCC. L'inclusion du support de C11 reste conforme aux exigences actuelles concernant la version de GCC (5.1).<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56760\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u044f \u043d\u0430\u0431\u043e\u0440\u0430 \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u043c\u0438 \u043a\u043b\u0430\u0441\u0441\u0430 Spectre \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0432 \u043a\u043e\u0434\u0435 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441\u043e \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u043c\u0438 \u0441\u043f\u0438\u0441\u043a\u0430\u043c\u0438, \u0441\u0442\u0430\u043b\u043e \u044f\u0441\u043d\u043e, \u0447\u0442\u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u0431\u044b \u0440\u0435\u0448\u0438\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u0438\u0437\u044f\u0449\u043d\u043e, \u0435\u0441\u043b\u0438 \u0431\u044b \u0432 \u044f\u0434\u0440\u043e \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u043b\u0441\u044f \u043a\u043e\u0434 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438, \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0439 \u0431\u043e\u043b\u0435\u0435 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430. \u0412 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0435\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0439 \u044f\u0434\u0440\u043e \u043a\u043e\u0434 \u0434\u043e\u043b\u0436\u0435\u043d \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 ANSI C (\u042189), [&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-103436","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u044f \u043d\u0430\u0431\u043e\u0440\u0430 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permettait.","canonical_url":"https:\/\/prohoster.info\/fr\/blog\/news\/v-yadre-linux-5-18-planiruyut-razreshit-ispolzovanie-standarta-yazyka-si-c11","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"fr_FR","og:site_name":"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","og:type":"article","og:title":"\ud83e\udd47\u0412 \u044f\u0434\u0440\u0435 Linux 5.18 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u044e\u0442 \u0440\u0430\u0437\u0440\u0435\u0448\u0438\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 \u044f\u0437\u044b\u043a\u0430 \u0421\u0438 C11 | 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