{"id":165513,"date":"2026-03-21T11:12:02","date_gmt":"2026-03-21T09:12:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-standartnoj-si-biblioteki-musl-1-2-6"},"modified":"2026-03-21T11:12:02","modified_gmt":"2026-03-21T09:12:02","slug":"vypusk-standartnoj-si-biblioteki-musl-1-2-6","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-standartnoj-si-biblioteki-musl-1-2-6","title":{"rendered":"Vydanie \u0161tandardnej C kni\u017enice Musl 1.2.6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po dvoch rokoch v\u00fdvoja bol predstaven\u00fd vydanie \u0161tandardnej C kni\u017enice Musl 1.2.6, ktor\u00e1 pon\u00faka implement\u00e1ciu libc vhodn\u00fa na pou\u017eitie ako na stacion\u00e1rnych PC a serveroch, tak aj na mobiln\u00fdch syst\u00e9moch, pri\u010dom kombinuje pln\u00fa podporu \u0161tandardov (ako v Glibc) s malou ve\u013ekos\u0165ou, n\u00edzkou spotrebou zdrojov a vysok\u00fdm v\u00fdkonom (ako v uClibc, dietlibc a Android Bionic). Podporuje v\u0161etky povinn\u00e9 rozhrania C99 a POSIX 2008, ako aj \u010diasto\u010dne C11 a s\u00fabor roz\u0161\u00edren\u00ed pre viacvl\u00e1knov\u00e9 programovanie (POSIX vl\u00e1kna), spr\u00e1vu pam\u00e4te a pr\u00e1cu s lokaliz\u00e1ciami. K\u00f3d Musl je dod\u00e1van\u00fd pod vo\u013enou licenciou MIT.     <\/p>\n<p>Hlavn\u00e9 zmeny:  <\/p>\n<ul>\n<li class=\"l\"> Implementovan\u00e1 funkcia posix_getdents, ktor\u00e1 sa objavila v \u0161tandarde POSIX-2024. Funkcia \u010d\u00edta obsah adres\u00e1ra, ktor\u00fd je spojen\u00fd s otvoren\u00fdm s\u00faborov\u00fdm deskriptorom a umiest\u0148uje inform\u00e1cie o podadres\u00e1roch a s\u00faboroch do \u0161trukt\u00far posix_dent s mo\u017enos\u0165ou obmedzenia maxim\u00e1lnej ve\u013ekosti.\n<li class=\"l\"> Pridan\u00e1 \u0161pecifick\u00e1 funkcia pre Linux renameat2, ktor\u00e1 poskytuje prostriedky na at\u00f3mov\u00fa v\u00fdmenu mien dvoch s\u00faborov (prv\u00fd s\u00fabor sa premenov\u00e1va na druh\u00fd a druh\u00fd na prv\u00fd). Funkcia renameat sa od renameat2 odli\u0161uje pridan\u00edm volite\u013en\u00e9ho flagu \u2014 bez nastavenia flagu je spr\u00e1vanie renameat2 \u00faplne rovnak\u00e9 ako renameat, a pri zadan\u00ed flagu RENAME_NOREPLACE oper\u00e1cia premenovania nevedie k nahradeniu u\u017e existuj\u00faceho s\u00faboru.\n<li class=\"l\"> Pre syst\u00e9my Loongarch64 bola pridan\u00e1 podpora mechanizmu TLSDESC (Popisova\u010d ulo\u017eenia lok\u00e1lnych vl\u00e1kien) pre efekt\u00edvny pr\u00edstup k premenn\u00fdm v lok\u00e1lnej \u00falo\u017enej \u0161trukt\u00fare vl\u00e1kna.\n<li class=\"l\"> Pomocou vDSO bola optimalizovan\u00e1 pr\u00e1ca funkcie clock_gettime na architekt\u00farach riscv32, riscv64, powerpc, powerpc64 a s390x. vDSO (virtu\u00e1lny dynamick\u00fd zdie\u013ean\u00fd objekt) umo\u017e\u0148uje presun\u00fa\u0165 spracovate\u013e syst\u00e9mu volania z jadra do priestoru pou\u017e\u00edvate\u013ea a vyhn\u00fa\u0165 sa prepnutiam kontextu.\n<li class=\"l\"> Na ur\u010denie schopnost\u00ed CPU v runtime kompil\u00e1torov bol symbol __getauxval preveden\u00fd do verejn\u00e9ho ABI.\n<li class=\"l\"> Opraven\u00e1 zranite\u013enos\u0165 (CVE-2025-26519), sp\u00f4sobuj\u00faca preplnenie vyrovn\u00e1vacej pam\u00e4te pri konverzii \u0161peci\u00e1lne form\u00e1tovan\u00e9ho textu z k\u00f3dovania EUC-KR do UTF-8 pomocou funkcie iconv(). Zranite\u013enos\u0165 bola identifikovan\u00e1 pred viac ako rokom a bola opravovan\u00e1 prostredn\u00edctvom in\u0161tal\u00e1cie z\u00e1platy pred vydan\u00edm.\n<li class=\"l\"> Rie\u0161en\u00e9 probl\u00e9my s kompatibilitou vo funkci\u00e1ch initgroups, getusershell, exit, atexit, strerror, isatty, hasmntopt a vdso, ako aj v hlavi\u010dkov\u00fdch s\u00faboroch sched.h a shadow.h.\n<li class=\"l\"> Zlep\u0161en\u00e1 zhoda \u0161pecifik\u00e1ci\u00e1m vo funkci\u00e1ch pwrite (vybaven\u00fd probl\u00e9m s O_APPEND), mbnrtowcs (zoh\u013eadnen\u00e9 po\u017eiadavky POSIX-2024), strptim (zoh\u013eadnen\u00e9 po\u017eiadavky POSIX-2024e), inet_ntop (zabezpe\u010den\u00e1 zhoda s RFC 5952).    <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65037\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0443\u0445 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0439 \u0421\u0438-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 Musl 1.2.6, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e libc, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0434\u0445\u043e\u0434\u0438\u0442 \u0434\u043b\u044f \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043a\u0430\u043a \u043d\u0430 \u0441\u0442\u0430\u0446\u0438\u043e\u043d\u0430\u0440\u043d\u044b\u0445 \u041f\u041a \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430\u0445, \u0442\u0430\u043a \u0438 \u043d\u0430 \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445, \u0441\u043e\u0447\u0435\u0442\u0430\u044f \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u0443\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043e\u0432 (\u043a\u0430\u043a \u0432 Glibc) \u0441 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0438\u043c \u0440\u0430\u0437\u043c\u0435\u0440\u043e\u043c, \u043d\u0438\u0437\u043a\u0438\u043c \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435\u043c \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432 \u0438 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c\u044e (\u043a\u0430\u043a \u0432 uClibc, dietlibc \u0438 Android Bionic). \u0418\u043c\u0435\u0435\u0442\u0441\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0432\u0441\u0435\u0445 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0445 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-165513","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0443\u0445 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0439 \u0421\u0438-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 Musl 1.2.6, 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