{"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\/cs\/blog\/news\/vypusk-standartnoj-si-biblioteki-musl-1-2-6","title":{"rendered":"Vyd\u00e1n\u00ed standardn\u00ed C-knihovny Musl 1.2.6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po dvou letech v\u00fdvoje byl uveden do provozu standardn\u00ed C knihovna Musl 1.2.6, kter\u00e1 poskytuje implementaci libc vhodnou pro pou\u017eit\u00ed na stacion\u00e1rn\u00edch PC i serverech, stejn\u011b jako na mobiln\u00edch syst\u00e9mech, a to s plnou podporou standard\u016f (jako v Glibc) a z\u00e1rove\u0148 s malou velikost\u00ed, n\u00edzkou spot\u0159ebou zdroj\u016f a vysok\u00fdm v\u00fdkonem (jak v uClibc, dietlibc a Android Bionic). Existuje podpora v\u0161ech povinn\u00fdch rozhran\u00ed C99 a POSIX 2008, \u010d\u00e1ste\u010dn\u011b C11 a sada roz\u0161\u00ed\u0159en\u00ed pro v\u00edcethreadov\u00e9 programov\u00e1n\u00ed (POSIX threads), spr\u00e1vu pam\u011bti a pr\u00e1ci s lokalizacemi. K\u00f3d Musl je poskytov\u00e1n pod svobodnou licenc\u00ed MIT.     <\/p>\n<p>Hlavn\u00ed zm\u011bny:  <\/p>\n<ul>\n<li class=\"l\"> Byla implementov\u00e1na funkce posix_getdents, kter\u00e1 se objevila ve standardu POSIX-2024. Tato funkce \u010dte obsah adres\u00e1\u0159e spojen\u00e9ho s otev\u0159en\u00fdm deskriptorem souboru a ukl\u00e1d\u00e1 informace o podadres\u00e1\u0159\u00edch a souborech do struktur posix_dent s mo\u017enost\u00ed omezen\u00ed maxim\u00e1ln\u00ed velikosti.\n<li class=\"l\"> Byla p\u0159id\u00e1na funkce renameat2 specifick\u00e1 pro Linux, je\u017e poskytuje prost\u0159edky pro atomickou v\u00fdm\u011bnu jmen dvou soubor\u016f (prvn\u00ed soubor je p\u0159ejmenov\u00e1n na druh\u00fd a druh\u00fd na prvn\u00ed). Nov\u00e1 funkce se od renameat li\u0161\u00ed p\u0159\u00edtomnost\u00ed dal\u0161\u00edho p\u0159\u00edznakov\u00e9ho pole \u2014 bez nastaven\u00ed p\u0159\u00edznaku se chov\u00e1 renameat2 zcela analogicky k renameat, a p\u0159i zad\u00e1n\u00ed p\u0159\u00edznaku RENAME_NOREPLACE operace p\u0159ejmenov\u00e1n\u00ed nevede k nahrazen\u00ed ji\u017e existuj\u00edc\u00edho souboru.\n<li class=\"l\"> Pro syst\u00e9my Loongarch64 byla p\u0159id\u00e1na podpora mechanismu TLSDESC (Thread-Local Storage Descriptor) pro efektivn\u00ed p\u0159\u00edstup k prom\u011bnn\u00fdm v m\u00edstn\u00edm \u00falo\u017ei\u0161ti vl\u00e1kna.\n<li class=\"l\"> Pomoc\u00ed vDSO byla optimalizov\u00e1na funkce clock_gettime na architektur\u00e1ch riscv32, riscv64, powerpc, powerpc64 a s390x. vDSO (virtu\u00e1ln\u00ed dynamick\u00fd sd\u00edlen\u00fd objekt) umo\u017e\u0148uje p\u0159esunout zpracovatele syst\u00e9mov\u00e9ho vol\u00e1n\u00ed z j\u00e1dra do u\u017eivatelsk\u00e9ho prostoru, \u010d\u00edm\u017e se vyh\u00fdb\u00e1 p\u0159ep\u00edn\u00e1n\u00ed kontextu.\n<li class=\"l\"> Pro ur\u010den\u00ed mo\u017enost\u00ed CPU b\u011bhem runtime kompil\u00e1tor\u016f byl symbol __getauxval p\u0159eveden do ve\u0159ejn\u00e9ho ABI.\n<li class=\"l\"> Byla odstran\u011bna zranitelnost (CVE-2025-26519), kter\u00e1 zp\u016fsobovala p\u0159ete\u010den\u00ed bufferu p\u0159i konverzi specificky form\u00e1tovan\u00e9ho textu z k\u00f3dov\u00e1n\u00ed EUC-KR do UTF-8 pomoc\u00ed funkce iconv(). Tato zranitelnost byla identifikov\u00e1na ji\u017e p\u0159ed v\u00edce ne\u017e rokem a byla odstran\u011bna instalac\u00ed opravy p\u0159ed vyd\u00e1n\u00edm.\n<li class=\"l\"> Byly vy\u0159e\u0161eny probl\u00e9my s kompatibilitou ve funkc\u00edch initgroups, getusershell, exit, atexit, strerror, isatty, hasmntopt a vdso, stejn\u011b jako v hlavi\u010dkov\u00fdch souborech sched.h a shadow.h.\n<li class=\"l\"> Zlep\u0161ena shoda se specifikacemi ve funkc\u00edch pwrite (vy\u0159e\u0161en probl\u00e9m s O_APPEND), mbnrtowcs (zohledn\u011bny po\u017eadavky POSIX-2024), strptim (zohledn\u011bny po\u017eadavky POSIX-2024e), inet_ntop  (zaji\u0161t\u011bna shoda 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 5.0.3 - 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, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 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serverech, tak na mobiln\u00edch syst\u00e9mech.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-standartnoj-si-biblioteki-musl-1-2-6","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","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\u044b\u043f\u0443\u0441\u043a \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 | ProHoster","og:description":"\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.","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-standartnoj-si-biblioteki-musl-1-2-6","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2026-03-21T09:12:02+00:00","article:modified_time":"2026-03-21T09:12:02+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/165513","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=165513"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/165513\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=165513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=165513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=165513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}