{"id":119844,"date":"2024-09-17T15:43:07","date_gmt":"2024-09-17T13:43:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/c-alliance-prodvigaet-v-c-mehanizmy-bezopasnoj-raboty-s-pamyatyu-oprobovannye-v-rust"},"modified":"2024-09-17T15:43:07","modified_gmt":"2024-09-17T13:43:07","slug":"c-alliance-prodvigaet-v-c-mehanizmy-bezopasnoj-raboty-s-pamyatyu-oprobovannye-v-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/c-alliance-prodvigaet-v-c-mehanizmy-bezopasnoj-raboty-s-pamyatyu-oprobovannye-v-rust","title":{"rendered":"C++ Alliance propaguje v C++ mechanismy bezpe\u010dn\u00e9 pr\u00e1ce s pam\u011bt\u00ed, vyzkou\u0161en\u00e9 v Rustu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"
Prezident organizace C++ Alliance ozn\u00e1mil pr\u00e1ci na specifikaci, kter\u00e1 do jazyka C++ p\u0159id\u00e1v\u00e1 roz\u0161\u00ed\u0159en\u00ed pro bezpe\u010dn\u00e9 zach\u00e1zen\u00ed s pam\u011bt\u00ed, p\u0159ipom\u00ednaj\u00edc\u00ed funkce implementovan\u00e9 v jazyce Rust. Na realizaci projektu byl p\u0159izv\u00e1n Sean Baxter, autor experiment\u00e1ln\u00edho C++ kompil\u00e1toru Circle, kter\u00fd rozv\u00edj\u00ed my\u0161lenky na zv\u00fd\u0161en\u00ed bezpe\u010dnosti k\u00f3du C++, realizovan\u00e9 na stran\u011b kompil\u00e1toru bez pou\u017eit\u00ed garbage collection. V r\u00e1mci projektu Sean zve\u0159ejnil dokument s anal\u00fdzou pou\u017eitelnosti r\u016fzn\u00fdch ochrann\u00fdch opat\u0159en\u00ed navr\u017een\u00fdch v jazyce Rust a hodnocen\u00edm mo\u017enosti jejich implementace pro C++, spolu s n\u00e1vrhy na p\u0159id\u00e1n\u00ed roz\u0161\u00ed\u0159en\u00ed do jazyka C++, kter\u00e9 zv\u00fd\u0161\u00ed bezpe\u010dnost k\u00f3du. <\/p>\n
Je uvedeno, \u017ee iniciativa byla zah\u00e1jena v reakci na rostouc\u00ed pot\u0159ebu bezpe\u010dn\u00fdch metod programov\u00e1n\u00ed mezi v\u00fdvoj\u00e1\u0159i a je zam\u011b\u0159ena na integraci nov\u00fdch funkc\u00ed do jazyka C++, kter\u00e9 umo\u017en\u00ed ochranu p\u0159ed b\u011b\u017en\u00fdmi chybami p\u0159i pr\u00e1ci s pam\u011bt\u00ed, jako je p\u0159\u00edstup k ji\u017e uvoln\u011bn\u00e9 pam\u011bti a p\u0159ete\u010den\u00ed vyhrazen\u00fdch buffer\u016f. Dopl\u0148ky jsou vyv\u00edjeny jako mo\u017enosti, kter\u00e9 umo\u017en\u00ed postupn\u011b p\u0159ev\u00e1d\u011bt projekty na bezpe\u010dn\u00e9 metody, p\u0159i\u010dem\u017e zachov\u00e1vaj\u00ed kompatibilitu s ji\u017e existuj\u00edc\u00edm \"nebezpe\u010dn\u00fdm\" k\u00f3dem. <\/p>\n
Bezpe\u010dnost pr\u00e1ce s pam\u011bt\u00ed by m\u011bla b\u00fdt zaji\u0161t\u011bna mechanismy, kter\u00e9 jsou realizov\u00e1ny na \u00farovni kompilace a nezp\u016fsobuj\u00ed dodate\u010dn\u00e9 n\u00e1klady typick\u00e9 pro jazyky vyu\u017e\u00edvaj\u00edc\u00ed garbage collectory. Mezi hlavn\u00ed navrhovan\u00e9 metody pro zaji\u0161t\u011bn\u00ed bezpe\u010dnosti pat\u0159\u00ed sledov\u00e1n\u00ed vlastnictv\u00ed objekt\u016f, kontrola p\u0159eb\u00edr\u00e1n\u00ed prom\u011bnn\u00fdch (borrow checker), pou\u017eit\u00ed bezpe\u010dn\u00e9ho kontextu (safe), a vytv\u00e1\u0159en\u00ed rozhran\u00ed std2::send a std2::sync. Pr\u00e1ce tak\u00e9 zahrnuje vytvo\u0159en\u00ed chr\u00e1n\u011bn\u00e9 verze standardn\u00ed knihovny, kter\u00e1 nab\u00edz\u00ed implementace algoritm\u016f a datov\u00fdch struktur umo\u017e\u0148uj\u00edc\u00edch bezpe\u010dn\u00e9 zach\u00e1zen\u00ed s pam\u011bt\u00ed. \n Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"