{"id":116100,"date":"2024-05-26T22:54:55","date_gmt":"2024-05-26T20:54:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-kazhdom-pyatom-pakete-na-yazyke-rust-ispolzuetsya-rezhim-unsafe"},"modified":"2024-05-26T22:54:55","modified_gmt":"2024-05-26T20:54:55","slug":"v-kazhdom-pyatom-pakete-na-yazyke-rust-ispolzuetsya-rezhim-unsafe","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/v-kazhdom-pyatom-pakete-na-yazyke-rust-ispolzuetsya-rezhim-unsafe","title":{"rendered":"W co pi\u0105tym pakiecie w j\u0119zyku Rust u\u017cywany jest tryb unsafe","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Organizacja Rust Foundation opublikowa\u0142a statystyki, z kt\u00f3rych wynika, \u017ce z 127 tysi\u0119cy znacz\u0105cych pakiet\u00f3w dost\u0119pnych w katalogu crates.io, ponad 24 tysi\u0105ce (19,11%) u\u017cywa s\u0142owa kluczowego \"unsafe\" do w\u0142\u0105czenia mo\u017cliwo\u015bci umo\u017cliwiaj\u0105cych niebezpieczn\u0105 prac\u0119 z pami\u0119ci\u0105 w poszczeg\u00f3lnych blokach kodu, takich jak dereferencja wska\u017anik\u00f3w, wywo\u0142ania funkcji zewn\u0119trznych lub modyfikacja zmiennych statycznych. 34,35% pakiet\u00f3w dokonuje bezpo\u015brednich wywo\u0142a\u0144 funkcji z innych crate-pakiet\u00f3w, w kt\u00f3rych u\u017cywany jest tryb \"unsafe\". <\/p>\n

Zauwa\u017cono, \u017ce w wi\u0119kszo\u015bci przypadk\u00f3w u\u017cycie trybu \"unsafe\" jest spowodowane wywo\u0142aniem kodu napisanego w innych j\u0119zykach lub odwo\u0142aniami do bibliotek w C\/C++. Pakietem z najwi\u0119ksz\u0105 liczb\u0105 wywo\u0142a\u0144 w trybie \"unsafe\" jest opracowywany przez firm\u0119 Microsoft crate-pakiet windows, stanowi\u0105cy opakowanie dla API platformy Windows. Pakiet ten ma 36 mln pobra\u0144. Unsafe jest r\u00f3wnie\u017c u\u017cywane w najpopularniejszych pakietach syn (470 mln pobra\u0144), proc-macro2 (354 mln pobra\u0144) i libc (345 mln pobra\u0144). <\/p>\n

Aby zidentyfikowa\u0107 problemy w kodzie wykonywanym w trybie \"unsafe\", projekt rozwija interpreter Miri, kt\u00f3ry pozwala okre\u015bli\u0107 odwo\u0142ania poza granicami bufor\u00f3w, u\u017cycie pami\u0119ci po jej zwolnieniu, nieprawid\u0142owe u\u017cycie nieinicjowanych danych, naruszenie inwari\u00f3w typ\u00f3w podstawowych (na przyk\u0142ad rozbie\u017cno\u015b\u0107 bool z warto\u015bciami 0 lub 1), naruszenie zasad posiadania obiekt\u00f3w, pojawienie si\u0119 stan\u00f3w wy\u015bcigu i wycieki pami\u0119ci.
\n
\u0179r\u00f3d\u0142o: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f Rust Foundation \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0441\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u043a\u0443, \u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0438\u0437 127 \u0442\u044b\u0441\u044f\u0447 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0432 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0435 crates.io, \u0431\u043e\u043b\u0435\u0435 24 \u0442\u044b\u0441\u044f\u0447 (19.11%) \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 \u043a\u043b\u044e\u0447\u0435\u0432\u043e\u0435 \u0441\u043b\u043e\u0432\u043e «unsafe» \u0434\u043b\u044f \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439, \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0449\u0438\u0445 \u043d\u0435\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u0443\u044e \u0440\u0430\u0431\u043e\u0442\u0443 \u0441 \u043f\u0430\u043c\u044f\u0442\u044c\u044e \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0431\u043b\u043e\u043a\u0430\u0445 \u043a\u043e\u0434\u0430, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u0440\u0430\u0437\u044b\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u0435\u0439, \u0432\u044b\u0437\u043e\u0432 \u0432\u043d\u0435\u0448\u043d\u0438\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0438\u043b\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0441\u0442\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445. 34.35% \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0441\u043e\u0432\u0435\u0440\u0448\u0430\u044e\u0442 \u043f\u0440\u044f\u043c\u044b\u0435 \u0432\u044b\u0437\u043e\u0432\u044b \u0444\u0443\u043d\u043a\u0446\u0438\u0439 […]<\/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-116100","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\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\udd47W co pi\u0105tym pakiecie w j\u0119zyku Rust u\u017cywany jest tryb unsafe | ProHoster","description":"Organizacja Rust Foundation opublikowa\u0142a statystyki, z kt\u00f3rych wynika, \u017ce z 127 tysi\u0119cy istotnych pakiet\u00f3w dost\u0119pnych w 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