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"
+
+
+
+0.8.8 release notes
+
+new feature:
+- major math correctness and performance improvements
+- many math functions implemented in asm for i386
+- some math functions (mostly long double) in asm for x86_64
+- new floating point parser/converter with correct rounding
+- implement wcstod, wcstof, and wcstold
+- new scanf implementation - cleaner, faster, more correct
+- minimal/incomplete strfmon implementation
+
+compatibility:
+- header fixes for c++
+- regex code resync with TRE; support common regex extensions
+- support for compiling apps with gcc's -funsigned-char
+- sysconf now returns dynamic limits for open files, processes
+- give dlerror proper error status stickiness
+- make alloca work even with -fno-builtin
+
+critical security fixes:
+- stack-based buffer overflow in fprintf on unbuffered files
+
+other bug fixes:
+- rare gcc register allocation (miscompilation) bug in syscall wrappers
+- printf was rejecting the valid (but redundant) %lf format specifier
+- fixed big data bloat (missing const) in math functions
+- many math fixes related to floating point exceptions and rounding
+- corrected DECIMAL_DIG definitions
+- tgammal was wrongly setting global signgam
+- crash in wordfree with uninitialized we_offs
+- fix wordexp not null-initializing the we_offs initial slots
+
+
+
+0.8.9 release notes
+
+bug fixes:
+- major breakage in strtol and family: failure to accept leading spaces
+- incorrect name for MATH_ERREXCEPT in math.h
+
+compatibility:
+- prototypes for a few additional nonstandard functions
+
+
+
+0.8.10 release notes
+
+new features:
+- correct over/underflow detection (ERANGE setting) for strtod
+- new musl-gcc wrapper, specfile based, faster and more robust
+- meaningful return strings for dlerror
+- new iswalpha, iswpunct, and wcwidth; sync'd to Unicode 6.1
+- towupper/towlower sync'd with Unicode 6.1
+- new futex-based libc-internal locks instead of spinlocks
+- experimental stack protector support (minimal; no random canary)
+- experimental gdb shared library tracking support
+
+compatibility:
+- getusershell family functions
+- getresuid and getresgid syscall wrappers
+- byte swapping macros in endian.h
+- getdtablesize was wrongly declared in unistd.h for _XOPEN_SOURCE
+
+bug fixes:
+- iconv_open wrongly rejecting most dest charsets (broken in 0.8.0)
+- sysconf failure when correct value is -1 (broken in 0.8.8)
+- scanf and strtod family functions overreading past NAN (4 bytes vs 3)
+- scanf and strtod wrongly treating "0.00000000001", etc. as 0
+- many bugs in towupper/towlower (never seriously tested before)
+- int8_t definition was wrong when gcc -funsigned-char was used
+
+
+
+0.9.0 release notes
+
+license change: MIT
+
+new features:
+- configure script, improved build system
+- full stack protector support
+- PIE support on x86 and x86_64
+- new O(1) space, O(nm) time implementation of fnmatch
+- improved support for sse2 floating point mode on x86
+
+compatibility:
+- added linux unshare syscall
+- exp10 function
+- sqrtl support on arm (previously missing)
+- removed minimal linux/*.h headers that could conflict with real ones
+- support for _LARGEFILE64_SOURCE (mapped to standard fcns with #define)
+- better c89 compatibility in headers
+- stub versions of sched_* functions (previously missing)
+- pthread stacks no longer executable (compat with hardened kernels)
+
+optimization:
+- additional x86_64 math asm
+- better formula for acos use in i386 asm
+
+bug fixes:
+- large (up to a few %) errors in strtod for certain values due to bug
+- mbsnrtowcs and wcsnrtombs were completely broken (bad exit logic)
+- wide printf %.0s could fail due to uninitialized variable
+- missing dlerror strings for dlsym in some cases
projects / musl / blobdiff