X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=WHATSNEW;h=691298968449c82c3c4e9481506d4f002dbfb691;hp=a33476b413ca3aec2c237ef074cb402b8a4eece8;hb=e68a4633e01e1a9ef41fa6dbc39d1d93dca130d3;hpb=00817f07392c15d3614aa996c45767be8baca6e1 diff --git a/WHATSNEW b/WHATSNEW index a33476b4..69129896 100644 --- a/WHATSNEW +++ b/WHATSNEW @@ -154,3 +154,305 @@ signals, as required by POSIX. added many compatibility and system-level interfaces, increasing the proportion of busybox that works with musl. + + + +0.7.8 - more bug fixes and compatibility improvements + +fixed problems with ipv6 dns and address printing code that made ipv6 +support practically unusable, and some other getaddrinfo bugs. + +fixed broken sendmsg/recvmsg functions on x86_64 (caused by incorrect +msghdr structure). + +fixed broken sigsetjmp asm on x86_64. + +worked around a problem with input buffering on terminals reblocking +after getting a blank line, due to a bug in the linux readv syscall. + +various improvements to the "rsyscall" system used to implement +threaded setuid, setgid, etc. + +exiting/cancelling the a timer handler thread no longer kills the +timer. + +fixed incorrect trailing zeros on some %g conversions in printf. + +fixed buggy byte-swapping functions and moved them to inlines in +byteswap.h. + +many small improvements to header/application compatibility, support +for nonstandard macros, etc. + + + +0.7.9 release notes + +new pthread cancellation implementation: +- safe against resource-leak/side-effect-leak race conditions +- safe against interruption by signal handlers +- reduced bloat in all cancellable functions +- reduced bloat for blocking cancellation + +new interfaces implemented: +- realpath (limited functionality) +- wordexp (limited functionality) +- flock (nonstandard) +- forkpty (nonstandard) +- posix_fadvise +- posix_fallocate + +general bug fixes: +- syslog function failure to communicate with syslogd +- bug in siginfo_t definition if wait.h was included before signal.h +- incorrect struct definitions for most of sysv ipc +- pthread_exit/cancel on timer handler wrongly destroying the timer +- linux dup2 ebusy workaround +- obscure issues in non-threaded programs using some pthread functions +- getopt_long allowed mismatch in last char of option name +- incorrect parsing of obscure ip address forms +- initgroups not working reliably (uninitialized var) +- shadow pass treating empty expiry field as pass-expired-in-1970 +- bogus longjmp if pthread_exit was called from cancellation handlers + +x86_64-specific bug fixes: +- fcntl file locking +- thread stack alignment +- broken select timeouts due to incorrect timeval definition + + + +0.7.10 release notes + +new features: +- ipv6 numeric string parsing +- eventfd syscall wrappers + +optimizations: +- new qsort implementation using the smoothsort algorithm +- much smaller/faster sigset_t handling functions +- lowered spin count before futex wait in synchronization functions + +general bug fixes: +- incorrect floating point round-to-even behavior in printf +- major bugs in pthread barrier implementation +- off-by-one error in scanf %n results +- scanf failure to report EOF when scanning for literal text +- minor missing/incorrect prototype issues +- dependency on undefined call order in fclose + +compiler issue workarounds: +- incorrect inlining of variadic functions on recent gcc versions +- pcc preprocessor bug with recursive macro expansion + + + +0.7.11 release notes + +new features: +- integrated dynamic linker +- dynamic loading (dlopen/dlsym) (for dynamic-linked programs only) +- XSI search.h API +- POSIX message queues +- POSIX spawn interfaces +- BSD pseudo-random number generator API (random/srandom/initstate/etc.) +- floating point environment (limited usefulness due to gcc bugs) + +general bug fixes: +- possible crashes with wordexp due to uninitialized variable +- race condition in pthread_kill (also present and unfixed in glibc/nptl) +- pthread exit destructors called too late +- dangerous unbounded vla in glob +- brk/sbrk legacy functions mismatching legacy semantics +- wcsncpy dest buffer overflow +- strncat and wcsncat possible overflows due to double-termination + + + +0.7.12 release notes + +new features: +- support for textrels in shared objects +- rpath support in dynamic linker +- stdio_ext.h functions (for better gnu software compatibility) + +bug fixes: +- some compilers miscompiling dlopen due to misuse of longjmp +- safe handling of invalid long-double bit patterns (affects printf) +- workaround for bugs in linux mprotect syscall +- thread-safety for random() functions +- various minor issues + + + +0.8.0 release notes + +new features: +- chinese and japanese legacy charset support in iconv +- zero-syscall clock_gettime support (dynamic-linked x86_64 only) +- futex-based locking for stdio (previously used spinlocks) +- LD_PRELOAD and RTLD_NEXT support in dynamic linker +- strptime (mostly working but incomplete) +- posix aio (mostly working but not entirely conformant) +- memory streams (fmemopen, open_memstream, ...) +- stub/dummy implementations for various useless legacy functions +- if_nameindex + +security hardening: +- setuid, etc. should not longer be able to "partially fail" with threads +- ensure suid programs start with fd 0,1,2 open +- improved openpty/forkpty failure checks + +threads/synchronization bug fixes: +- dangerous spurious wakeup in pthread_join lead to early return +- race condition enabling async cancellation (delayed/lost cancellation) +- destruction/unmapping race conditions in semaphores, mutexes, rwlocks +- recursive rwlock_rdlock deadlock when a writer is waiting +- race condition in sigqueue with fork +- timer expiration thread exit wasn't running dtors +- timer threads weren't blocking signals +- close was wrongly cancellable after succeeding on some devices +- robust mutex list was not reset on fork + +general bug fixes: +- incorrect logic in fread (spurious blocking; crash on write-only files) +- many corner cases and overflow cases for strtol-family functions +- various printf integer formatting issues with flags/width/precision +- incorrect iconv return value on failure +- broken FD_* macros on 64-bit targets +- clock function returning wrong value (real time not cpu time) +- siglongjmp signal mask clobbering (off-by-one pointer error) +- dynamic linker weak symbol resolution issues +- fdopendir failure to set errno +- various minor header fixes + + + +0.8.1 release notes + +bug fixes: +- mismatching prototypes caused build failure on 64-bit +- other minor prototype errors in the headers have been fixed +- various other small omissions fixed + + + +0.8.2 release notes + +new features: +- ptrace syscall support + +bug fixes: +- const error (only a warning with many compilers) in lio_listio +- minor portability fixes aimed at supporting new arch targets + + + +0.8.3 release notes + +new features: +- arm port (experimental) +- better musl-gcc wrapper script for building against musl +- added clone system call + +bug fixes: +- numerous header file typos, copy/paste errors, omissions +- statfs and statvfs ABI are now LSB-conformant (and actually work) + + + +0.8.4 release notes + +new features: +- arm dynamic linker support +- process-shared pthread barriers now work +- efficient futex-requeue-based cond var broadcast +- more optional cancellation points are now cancellable +- printf accepts null pointers with %s, prints as "(null)" +- recursive mutexes are now fully reentrant +- __cxa_atexit support +- real vfork +- dynamic linker now gold-compatible +- prlimit syscall +- support for large limits with setrlimit/getrlimit (even on 32-bit) +- glob now supports GLOB_PERIOD option (GNU extension) + +bug fixes: +- many serious issues in condition variables +- rwlock failure-to-wake deadlock issues +- various small header files bugs/omissions +- wrong failure return for pthread_create +- path handling issues on execvp +- lock count corruption with robust recursive mutexes on owner death +- integer overflows in atoi, etc. reading most-negative value +- spurious mremaps on every realloc of large memory chunks +- pthread cancellation failure in single-threaded programs + +security: +- avoid fd_set overflow in dns lookups + + + +0.8.5 release notes + +new features: +- stdio operations are now cancellable (only when low-level io happens) +- global ctor/dtor support in main program start code and shared libs +- dynamic linker support for PIE executables (but missing startup code) +- vfork support on x86_64 +- complete set of locale_t functions (all ignore the locale argument) +- provide define float_t and double_t in math.h +- lighter/faster cancellation cleanup handler register/unregister + +bug fixes: +- gcc wrapper now supports -shared, -nostdlib, -nostartfiles +- removed one wrongly-classified character from iswspace set (zwsp) +- fixed crashes in dns lookup on some errors, e.g. resolv.conf missing +- "make install" no longer tries to build shared libc if disabled +- ptrace argument handling bugs fixed +- work around visibility-hidden bugs in gcc 3.x +- fix thread-pointer-loss issue when it's initialized in signal handlers +- various minor typo/misc fixes in headers + +compatibility: +- glob behaves more like traditional implementations w.r.t. GLOB_MARK +- added legacy futimes, lutimes functions +- more compatibility macros in sys/param.h (nonstandard header) +- setfs[ug]id syscall wrappers (linux specific) +- fgetpwent function (nonstandard) +- utmp.h matches traditional version more closely +- caddr_t now matches glibc type (void * instead of long) +- dummy (always-fail) dlopen and dlsym functions for static linked programs +- [efg]cvt functions (previously posix, removed from standard) +- get_current_dir_name function (nonstandard) + + + +0.8.6 release notes + +bug fixes: +- fix crash in dns lookups for all static-linked, non-threaded programs + + + +0.8.7 release notes + +new features: +- c++ support with g++'s libstdc++ +- c99 math library (float, long double, complex, etc.) +- numerous wchar_t functions +- a64l, l64a functions +- getdate function + +compatibility: +- c89 compatibility in math.h +- syscall.h alias for sys/syscall.h +- memory.h alias for string.h +- getcwd supports null buffer argument (auto-allocation) + +bug fixes: +- major fenv (floating point environment) fixes and optimizations +- strptime mishandling of day/month names +- strtoull wrongly rejecting the highest 16 possible values as overflow +- math.h constant expression fixes for INFINITY/NAN/etc. +- scanf mishandling of "0" with "%x"