0.35:
fix pic for x32
SECURITY: putenv removes duplicate entries from malicious environments (Daniel Hodson)
SECURITY: fix regex stack corruption (Thorsten Glaser)
printf("%#.0g", 1.0) -> "1." (Christopher Wellons)
rename WANT_DYNAMIC to WANT_CTOR, add WANT_EXCEPTIONS to dietfeatures.h
libc can't call rand() and change the seed, so introduce rand_i (Christopher Wellons)
add stdatomic.h
add dummy libdl functions for static linking that will just return failure
add stdalign.h
add uchar.h and c16rtomb, c32rtomb, mbrtoc16, mbrtoc32
add static_assert to <assert.h>
x86_64/memcmp.S optimization (Stefan Kanthak)
add consttime_memequal and explicit_memset from NetBSD
0.34:
move stpcpy from libcompat to lib as it is now part of POSIX (Enrico Scholz)
add linux/seccomp.h linux/prctl.h linux/audit.h linux/elf-em.h linux/filter.h
SECURITY: make sure all assembler files mark the stack non-executable so
the kernel can map the stack of the whole program as non-executable
support compiling with clang (no cross compiling yet, and the resulting
binary code is significantly larger than with gcc)
implement experimental C11 threads
fix fgets (Andreas Förster)
add eventfd, inotify_init1, epoll_init1, accept4, recvmmsg, sendmmsg
add dup3, fanotify_init, fanotify_mark, signalfd4, timerfd_settime
add timerfd_gettime, setns, memfd_create, getrandom, syncfs
add preadv, pwritev
add getcontext, setcontext, makecontext, swapcontext (i386 and x86_64 only for now)
add implementation of hsearch and friends
add strverscmp (like GNU version but without special treatment for leading zeros)
fix cuserid
SECURITY: fix integer overflow in scandir/scandir64 if your selector
leaves more than 1 billion filenames
fix memory leaks in out of memory error paths in regcomp and librpc
udp and tcp server code (found by the llvm static analyzer)
fix returning more than one match in regexec (Stefan Wagner)
add getentropy, lazy arc4random clone (OpenBSD)
define uintptr_t using __UINTPTR_TYPE__ (32-bit platforms may need a make clean)
move strnlen from libcompat into libc (it's POSIX now)
fix dn_expand argument signedness
add explicit_bzero, timingsafe_bcmp and timingsafe_memcmp (OpenBSD APIs useful for crypto)
i386 switched from mmap to mmap2. glibc has been doing this for ages,
and we now follow suit (without fallback to mmap), because
seccomp-filter can't inspect mmap arguments, so this helps security.
plumbing to get preliminary PIE support for x86_64
don't cause unaligned memory accesses in stackgap for the random from auxvec (Giorgio)
implement malloc case for realpath
use __builtin_mul_overflow in calloc if gcc is recent enough
cleanup s390 syscalls (Christian Seiler)
various TLS and pthread fixes (Christian Seiler)
add sha256 and sha512 support in crypt(3)
promote stpncpy from libcompat to main libc as the sha512 code uses it
add x86_64 memccpy, mempcpy
import Debian bugfixes (Christian Seiler)
setjmp/longjmp for powerpcspe (Roland Stigge)
add softfpu from glibc for powerpcspe (need to pass SOFTFPU=1 to make)
ppc64 little endian port (Christian Seiler)
mips64 little endian port (Christian Seiler)
aarch64 port (Christian Seiler)
parisc fixes (Gerrit Pape, John David Anglin, Helge Deller, Christian Seiler)
fix longjmp on mobile armv7 (Christian Seiler)
alpha fixes (Christian Seiler, Thorsten Glaser)
powerpc fixes (Gerrit Pape, Christian Seiler)
sparc64 fixes (Christian Seiler)
update setjmp/longjmp on s390x to use 64-bit ABI (Christian Seiler)
SECURITY: x32 fixes: one of them could lead to memory corruption because struct stat was declared too short (Christian Seiler)
add really crappy pthread_rwclock implementation for openssl 1.1
move getrandom and getentropy declarations to <sys/random.h> to match glibc 2.25
add secure_getenv
mempcpy -> memcpy in sha256crypt and sha512crypt
prototype for getpagesize was wrong (return was size_t, should be int)
split off stackgap-g.o, don't compile valgrind stuff into stackgap.o,
diet chooses depending on presence of -g
add mlock2
prefer gcc4+ __CAS implementation to our own on ARM, and fix ours (Philip Zander)
move _POSIX_MAPPED_FILES to unistd.h
accept "x" in fopen mode
0.33:
first stab at getting TLS to work in actual threads
use fs: to find current thread on x86_64
add fallocate, posix_fallocate
work around Ubuntu who added -fstack-protector to their gcc, which
added stack protector code to the function from the dietlibc startup
code that sets up the registers and segments used by the stack
protector mechanism.
fix sys/personality.h (Mathias Krause)
update sys/ptrace.h (Nikola Vladov)
fix fork+pthread closing fd 0 (Tim München)
finally add stdout tty detection and turn off linewise buffering if !tty
enlarge dev_t to 32-bit on i386, arm, sparc, s390 (Pascal Terjan)
update sys/stat.h to include nsec and enlarge dev_t
add WANT_VALGRIND_SUPPORT in dietfeatures.h. When #defined, the
startup code will check if the program is running under valgrind,
and if it is, the SIMD optimized string routines will switch back to
a slower version that does not generate valgrind false positives.
add WANT_LLMNR in dietfeatures.h. Now you can do "ping windowsbox"
and it works if that box runs win7 and trusts the LAN; the down side
is that LLMNR does not like the .local prefix, so DNS does zeroconf
lookup for unqualified names now, too.
add WANT_GNU_STARTUP_BLOAT in dietfeatures.h to support
program_invocation_short_name and program_invocation_name
add INT*_MIN, INT*_MAX, UINT*_MAX, etc to stdint.h
remove const from stdsignal prototype to agree with standard
only count %[] conversions in *scanf if they matched at least one char
(Indan Zupancic)
make sure __sc_nr_cpus does not dump core if /proc/cpuinfo is larger
than 2048 bytes (Bela Lubkin)
use vsyscall for time on x86_64 instead of wrapping gettimeofday (Nikola Vladov)
CPU affinity support (Indan Zupancic)
lots of ARM fixes (Enrico Scholz)
make sure strftime does not write more than max bytes when writing \0
(Tobias S. Josefowitz)
change gettimeofday vsyscall to use the vdso
add WANT_HOSTS_GIVEUP_EARLY in dietfeatures.h
various build fixes, add sys/atomic.h and the __CAS function
redo nice with get/setpriority as glibc does (Thierry Vignaud)
add fdopendir
add openat and friends
srand(0) made rand() return a series of 0 instead of random data
(https://banu.com/blog/42/openbsd-bug-in-the-random-function/)
add SO_RCVBUFFORCE and SO_SNDBUFFORCE
first stab at x32 support
0.32:
add mbsinit, mbrlen, mbtowc, wctomb, mbrtowc, wcrtomb, wcwidth
add btowc, wctype, iswctype
add some wide char routines
add statvfs, fstatvfs
add some amd64 asm string routines
add some constants for inotify
several fixes from Enrico Scholz (printf, string routines on big endian)
add some more syscalls
some minor cleanups
shrink some string functions (Kris Katterjohn)
prepare x86_64 for syscall numbers > 255
fix unaligned memcpy if WANT_SMALL_STRING_ROUTINES is not defined
(Enrico Scholz)
fix utmp, add utmpx support (R.L. Horn)
fix the dynamic library for the ARM architecture (Gernot Tenchio)
get ARM port to work with EABI (Tristan Newby)
fix of scanf with negative floats (Andre Oliveira)
use vsyscall to do time(2) on x86-64
implement back references in basic regexes
make regex faster (coalesce n CHAR matches to one STRING match)
stdio speedup
use randomness passed in ELF auxvec instead of /dev/urandom in startup
(strace looks cleaner now)
use ELF auxvec to implement getpagesize
support thread local storage (w00t!!!!)
don't crash in getaddrinfo if hints is NULL (Gernot Tenchio)
add -D_REENTRANT for -pthread in diet
don't segfault in setlocale if locale is NULL (Nikola Vladov)
implement _SC_PHYS_PAGES in sysconf()
add some gcc attributes and restrict keywords to string.h
0.31:
getopt_long and getopt_long_only now refuse ambiguous abbreviations
fix printf %u/%x on 64-bit platforms
fix fd leak in if_nameindex (Florian Westphal)
fix printf %g (well, get closer)
fix sparc64 longjmp (Rene Rebe)
add dn_skipname
add pthread prototypes that are needed to compile libgcc when
compiling a cross compiler gcc
fix ftw64
fixes for some corner cases from Ilja van Sprundel:
- tempnam
- strsignal
- strftime
- sunrpc code
faster qsort
support %j in printf (Gernot Tenchio)
do omit the frame pointer on x86_64
fix pthread_cond_timedwait (Gernot Tenchio)
fix getcwd, ftw, ftw64, dirname (Ilja van Sprundel)
Some fd leaks in error conditions.
fix stackguard to be .quad instead of .long (cause subtle memory
corruption, which in most cases caused DNS lookups to fail on 64-bit
platforms)
fix dynamic build
do the magic required for -fstack-protector in gcc 4.1.1 to actually
work (which includes setting up thread local storage), so far on
i386 and amd64
add ctime_r (for c-icap, Gernot Tenchio)
fix strptime return value (Gernot Tenchio)
fix R_386_32, R_ARM_ABS32, R_X86_64_64 in libdl (Gernot Tenchio)
Olaf: Added DT_GNU_HASH symbol resolver.
fix security bug in librpc. You know, librpc, that stinking Sun code
full of problems? Just adding that code was a bad mistake, I think.
I tried auditing it, but I nearly got a brain tumor when I opened
those files. Thanks to Ilja van Sprundel for finding this bug (with
Google codesearch, no less! :-) )
accept mDNS packets with set recursion desired bit
add const to cfgetispeed and cfgetospeed arguments
fix off-by-one in getdelim (reported by Ilja van Sprundel)
prevent integer overflows in printf (return -1, like Solaris)
fix putenv (Nikola Vladov)
use time_t in struct stat for the time values
support LLMNR in dnsd (no idea if it works, apparently only Vista
supports it)
fix ftell (Jens Laas)
fix getaddrinfo (return more than just the first IP) (Gernot Tenchio)
make sure to declare __dietlibc__ during compilation of the lib
itself, so we can have more portable code in the libc code behind
#ifndef __dietlibc__ (see ftw64 for an example)
fix off-by-one in iconv
add missing brackets in dn_skipname
strptime also fills in tm_wday and tm_yday (Gernot Tenchio)
x86-64 getpriority has bias 20 (Rene Rebe)
fix typo in fstatfs64 (Gernot Tenchio)
fix infinite loop in getaddrinfo (Nikola Vladov)
don't include sys/stat.h in stdio.h and unistd.h (Gernot Tenchio)
work around gcc optimizing away our int overflow check in printf
some work on printf
fix some compiler warnings
support long device major and minor
add WANT_FREE_OVERWRITE in dietfeatures.h (see comment there)
0.30:
put exception handling frames in read-only section on AMD64 and S/390
make sys/stat.h ILP64 compatible
(both Markus Oberhumer)
whoops, strptime was completely broken, and noone noticed :-)
fix DNS resolver to only use shorter timeout for .local queries
remove throw() statements for functions taking function pointer
arguments (qsort, besearch, ftw)
fix embarassing bug in pclose (Juergen Sawinski, Ren? Rebe)
when asking for an IPv6 address and there is an IPv4 address in
/etc/hosts but not an IPv6 address, return NO_DATA without
querying DNS. This is how glibc does it, and it means you can use
e.g. elinks to browse http://localhost/ without being connected to
the internet / a DNS server.
make libcrypt/crypt.c to work when compiled with gcc 4
provide toascii and ustat (Reynir Stefansson)
change size of struct sigaction.sa_flags from long to int on alpha.
beginnings of wide char string routines
fix regex match bug ("@(a|b)" would also match "x@z")
ARM big-endian support (Paul Clifford)
support %s in strftime, so date in embutils does :-)
fix two strptime bugs (Gernot Tenchio)
add strnlen and clearenv (for udev)
#define IOV_MAX in limits.h behind _XOPEN_SOURCE (for opennntpd)
tzfile fix (Nikola Vladov)
lots of fixes from Markus FX Oberhumer:
* better signal handling error detection
* setjmp.S on i386
* getenv on i386
* sys/stat.h -malign-double fix
* update fcntl.h for MIPS to 2.6.13 version
* jmp_buf is 40*8 instead of 58*8 on ppc64.
* This patch fixes the section of the TOC entries on ppc64
* libstdc++ updates for gcc 4
* remove cstddef and cwchar (no longer needed)
* int -> ssize_t for read and write
* sigjmp.c: __mask_was_saved was not set in all cases!
* another round of ILP64 cleanups
add ngettext, dngettext (for glib)
add strdupa and strndupa (for directfb)
add extended attribute, thread, and misc syscalls
Olaf: fixed my libdl code to run with gcc-4.0.x
support optstring starting with '-' extension in getopt_long (Jens L??s)
make sure ftw returns in the directory it was called from
Olaf: fixing a bug in timegm (an off by ONE array access)...
tzfile fix for recent gcc
make resolv.conf more glibcish so openssh 4.3p1 compiles
add linux/* glue to make openssh compile with tun/tap support
fix putenv (Ren? Rebe, Thomas Ogrisegg)
limit search/domain entries in /etc/resolv.conf (Gernot Tenchio)
fix unlockpt (Gernot Tenchio)
Olaf: fixing putenv for the situation that environ is NULL
(situation after a clearenv)
HP-PA fixes (Micah Anderson, Herbert Poetzl)
syscall() for ppc/64
make __kernel_size_t more like the real thing (Rene Rebe)
fix __exec_shell (execv and execvp) (Gernot Tenchio)
fix mmap and provide mmap64 on S/390 (Bastian Blank)
fix telldir, seekdir (Gernot Tenchio)
also add -lc after -lgcc for gcc 4.1 on arm (Enrico Scholz)
update SSP (ProPolice) support (with help from Eduardo Tongson)
fix buffer underflow in strncpy if n==0 and WANT_FULL_POSIX_COMPAT
is defined (it's normally not) (Ilja van Sprundel)
reading from stdin used to flush stdout. Now it only does that
if stdin is a tty.
sparc64 fixes for ioctls, includes and sigaction (Rene Rebe)
0.29:
oops, fix LD_RUN_PATH unsetting (Enrico Scholz)
Markus Oberhumer sent the following diffs:
dl_iterate_phdr for libgcc_eh
proper endian.h recognition for __s390x__
rem and sdiv for sparc
fix stupid dns decoding bug (Gernot Tenchio)
#ifdef powerpc -> #ifdef __powerpc__ (Enrico Scholz)
struct siginfo was wrong for 64-bit platforms
Lots of fixes and patches from Markus Oberhumer.
libstdc++ compatibility
ilp64 compatibility
make diet libc compile with -Werror on 13 platforms
provide time() using gettimeofday for s390x
remove waitpid warnings on ia64, s390/x
provide C++ exception handling support
ppc64 now compiles again
typo in libcompat/syscall.S for WANT_THREAD_SAFE (Bj?rn D?bel)
syscall.h update for all architectures
remove two ppc64 warnings
fix s/390 syscalls > 255
add "diet -L gcc" option to print the lib path
remove new gcc4 signedness warnings
add link.h (probably only useful to compile an ia64 cross-gcc)
understand -m32 on x86_64 as meaning i386
now that gcc 4 is out, finally switch -malign-functions to
-falign-functions in diet
MADV_* for hppa and ia64 (Enrico Scholz)
add _PATH_TMP to paths.h
support syscall on sparc and x86_64 (Herbert Poetzl)
change alignment code in gethostbyname_r (Herbert Poetzl)
avoid bus errors in DNS code
implement gettimeofday vsyscall for x86_64
replace unfinished plug&play DNS hack with zeroconf,
rename dietfeatures.h option to WANT_PLUGPLAY_DNS.
A small dns daemon can be found in contrib/dnsd.c
hack ugly non-thread-safe kludge to communicate proper scope_id
to getaddrinfo
fix bug regarding regular expressions like "(a|)b"
work around gcc 4 bug
make sure diet always leaves -V in front of the gcc command line
sparc64 fixes (Martin)
fix warnings in socketcall functions
0.28:
add tcgetsid (Yuri Kozlov)
add _udivdi3, _divdi3, _umoddi3, _moddi3 for MIPS
These are in libgcc, but libgcc is compiled PIC and we compile the
diet libc non-pic, and that is not compatible on MIPS so ld
complains.
setlocale now accepts setting the locale to "C".
several fixes from Gwenole Beauchesne, AMD64 and otherwise.
fix memory leak in regfree (thanks, Valgrind!).
add support for gcc ProPolice and stack gap (see README.security).
add ftw64 (yuck!)
#include <endian.h> in syscalls.s/environ.S to make sure environ is
actually large enough (Enrico Scholz)
add waitpid wrapper around wait4 for arm-linux (Avinash Bhatia)
make res_mkquery reject invalid domains (label>64, name>255) (Nikola Vladov)
make res_query return TRY_AGAIN instead of NO_DATA if no answer was
received (Nikola Vladov)
fix PT_READ_U in sys/trace.h (John K. Hohm)
Olaf: added mmap64 wrapper (arm,mips,sparc,...)
work around new kernel rt signal semantics (need to set restorer function)
Olaf:
- libdl + gcc 3.4 resulted in a SIGSEGV because local names were
dynamically resolved....
- Also fixed a bug in the symbol resolver
- fixing the mmap64 stuff & arm/dyn_syscalls had no mmap2 (Gerrit Pape)
tzfile parser fix (John K. Hohm)
ppc64 fixes (Gwenole Beauchesne)
add sigisemptyset, sigandset and sigorset (John K. Hohm)
minor additions to make gdb 6.3 happy (John K. Hohm)
ld.so support for gdb (John K. Hohm)
implement nice(2) via setpriority() if there is no nice syscall
support libm.so (John K. Hohm)
hack rpc/xdr.h to work with gcc 4 (Andreas Jochens via Gerrit Pape)
make dyn didn't work for !WANT_FULL_RESOLV_CONF (Sampo Kellomaki)
#undef __i686 in i386/PIC.h (George Sawinski)
fix timegm bug (found by Nikola Vladov)
add sys/swap.h (George Sawinski)
Olaf: dynamic x86_64 support (libdl relocator and dyn_syscalls)
0.27:
change DNS routines to look for ip6.arpa instead of ip6.int
WANT_FREAD_OPTIMIZATION was broken on sockets (Johannes Stezenbach)
Olaf:
- added fix for getgrouplist (Nikola Vladov)
- fix the fd leak on error path (Denis Vlasenko)
- the regparm attribute in typedefinition generats error with gcc-2.95
on non-x86 arch... (reported: Johannes Stezenbach)
PowerPC build fix (Gerrit Pape)
Olaf: added missing settimeofday
add netinet/ether.h and netinet/if_ether.h
add linux/fd.h
add pivot_root, delete_module and init_module prototypes to unistd.h
(protected by _LINUX_SOURCE)
add some BSD legacy declarations to dirent.h (Bryan Henderson)
add strtoull and strtoll as aliases to strtoull and strtoll
use _FILE_OFFSET_BITS consistently (Indan Zupancic)
add support for $DIETHOME in diet, to override the compiled-in path (George)
0.26:
iconv UTF-8 fix (Kuba Winnicki)
Olaf:
- add 'getgrouplist'
- fix type of 'unsetenv'
- add missing realtime syscalls 'clock_*' 'timer_*' and types
ARGH! gcc 3.4 breaks regparm attributes on i386!
grep portability fixes (Gunnar Ritter)
add empty libcrypt.a to help compile code from others (Gunnar Ritter)
add make uninstall
fix pread64, pwrite64
Olaf: MIPS has a special case for the pread/pwrite syscall ...
Use -isystem instead of -I for our system includes (Paul Jarc)
Add MNT_DETACH to sys/mount.h
add pselect
fix for tzfile (Felix J. Ogris)
add res_close to close the DNS UDP sockets
remove ia64/waitpid.S; it was broken and there is a working C version
(Gerrit Pape)
0.25:
fix sprintf
head -1 -> head -n 1
handle negative precision and -0 (Jens L??s)
susv3 renamed IFNAMSIZ to IF_NAMESIZE
make diet accept "gcc-3.3.2" and "diet -v -Os gcc" (Yuri Kozlov)
make libcompat syscall position independent (Peter S. Mazinger)
fix missing pthread stdio external (Gernot Tenchio)
Port parts of glibc test suite (Florian Westphal)
Now we need more manpower to fix the bugs it uncovers ;-)
add linux/if_ether.h and net/ethernet.h for sniffers
faster string routines and a small fix for alloc (Thomas Ogrisegg)
remove C++ comments from header files
add ftrylockfile
C99 fixes and a new printf test from Enrico Scholz
epoll_event needs to be packed on x86_64 (pointed out by Indan Zupancic)
work around make dependency problem breaking mipsel by creating kludge
mipsel/syscalls.h (Samium Gromoff)
Fix i386 unified syscall -EMEDIUMTYPE handling (Juergen Sawinski via
Clifford Wolf)
vsnprintf: fix output when output does not fit (Enrico Scholz)
new dirname with test suite entry (Yuri Kozlov)
fnmatch: add [:charclass:], fix negation (Michael J. Pomraning)
make calloc a weak symbol (Martin Pohlack)
make NULL C++ friendly (Martin Pohlack)
new realpath (Thomas Ogrisegg)
fix stupid glibcism in sys/epoll.h
add pause for Alpha (Kurt Garloff)
ptrace fix (Dallachiesa Michele)
ptread.h cleanups (Martin Pohlack)
fix execvp and execlp (Youn?s)
fix time() for sparc64
0.24:
work around incompatible Linux select() modifying the timeout in
librpc (Patch was sent from Mike Waychison from Sun)
the overflow checking in strtou?ll? was broken in some cases.
Unfortunately, correct overflow checking enlarged the routine by 20%.
(reported by Manuel Novoa III)
two stdio bug fixes (also reported by Manuel Novoa III)
remove several warnings (Johannes Stezenbach)
Olaf: fixing tmpfile (missing parameter) and __dtostr (gcc 2.95)
Olaf: add the pthread-semaphore support.
implemented experimental plug-and-play IPv6 DNS
(see dietfeatures.h, see http://www.fefe.de/ipv6pnpdns.html)
typo in parisc setjmp.S (Michael Mueller)
Olaf: fixing the pthread_join function
add IPv6 link-local%eth0 support to getaddrinfo
Olaf: added missing syscalls (cap{g,s}et) and addmntent
Add s390x and ppc64 support (Marian Jancar, SuSE)
Marian also contributed %m support to printf, and fixes for many bugs
Olaf:
- fixing strtok_r (rewrite)
- making the %m support NON DEFAULT as it is NOT SUSv3 or SUSv2
- make the HUGE_VAL/HUGE_VALF macros arch (endian) independend
- changeing __dtostr so that it returns "inf" for an inf-value not "nan"
- fixing the strrchr bug (reported by Gernot Tenchio)
- fixing the strtoul/strtoull bug (reported by Gernot Tenchio)
- adding the patch to printf (Gernot Tenchio)
- fixing snprintf (Gernot Tenchio)
- fixing memccpy,memcmp,strncmp (reported by Gernot Tenchio)
- fixing strtoXXX (Gernot Tenchio, patch modified)
- fixing the *scanf return behavior (reported by Enrico Scholz)
add printf test
change sys_siglist to char** (removes linker warning)
fix getnameinfo (Arnaldo Carvalho de Melo)
add ar.h (for GNU make)
replace qsort with new quicksort with three-way partitioning
parisc start.S fix (Gerrit Pape)
check fflush return code (Manuel Novoa III)
add el-cheapo strptime and more BSD legacy crap to get more of
e2fsutils, dump and util-linux compiled
0.23:
update sys/soundcard.h
various x86_64 fixes (Gwenole Beauchesne)
fix assert for 64-bit platforms (Gwenole Beauchesne)
remove many warning from test suite (Gwenole Beauchesne)
hopefully fix resolver (again, Gwenole)
fix floorl typo (Norbert Wolff)
add more BSD brokenness to time.h
forward poll.h to sys/poll.h
make DNS socket close-on-exec (Felix J. Ogris)
add cuserid to libcompat (Andreas Krennmair)
add ctermid and ftok to libcompat (those are _really_ ugly)
copy some RPC bugfix cruft from glibc
warning: I don't use rpc or xdr, I don't actually understand or have
a way to test this. Maybe I should remove this cruft from the
diet libc...?
make declaration of writev and readv match susv3
add finite (Andreas Krennmair)
move flock+constants to unistd.h (the Linux man page is wrong on this)
fix assert (Andreas Krennmair)
add modf, libm fixes (Andreas Krennmair)
rename __pure__ to __pure (Laurent Bercot)
utmp x86_64 biarch support (Gwenole Beauchesne)
add fgetpwent (Alvaro Gomes Sobral Barcellos)
add vsyscall support for linux 2.5 on recent CPUs
add a few new 2.5 syscalls, adapt to renamed epoll syscalls
Olaf: fixing the vsyscall support so that the binaries still work on 2.4
remove getline macro, caused problems with GNU sed
make assert equal (void)0 under -DNDEBUG (Enrico Scholz)
make __attribute_malloc__ #define safe (Matthias Andree)
add BSD utimes to libcompat (Andreas Krennmair)
remove gcc 3 #ifdef kludgery from include/string.h; it works with gcc
3.2.2+, don't know if it's gcc or us (Gerrit Pape)
remove _null_auth declaration in librpc/rpc_prot.c (Thayne Harbaugh)
fix regex bug with ^$ not matching "" (Anthony de Boer)
Olaf: removing "<arch>/mmap.*" where no arch-specific impementation is
needed. (added "syscalls.s/mmap.S")
- fixing the vsyscall in the dynamic library... (self made problem)
- removing warning in "res_query.c"
- changing type of stream-mutex to recursive
- sparc/sparc64: shrink of the unified syscall and the special syscalls
(fork/pipe) to use the "unified_syscall_error_handler"
add sendfile64 backwards compatibility glue
add __attribute_dontuse__ to declare a few functions as deprecated
use above to flag a few BSDisms ;-)
include <sys/cdefs.h> in errno.h, fixes __attribute_dontuse__ breakage
endmntent now returns 1 (Florian Westphal)
strtoul return value fixes (Jan Bobrowski)
Olaf: fixing the diet wrapper for sparc and changing the options for mips
a few i386/*.S fixes (Hynek Schlawack)
remove =0 for static variables (Thomas Ogrisegg)
fix strtoul (broke getaddrinfo and ssh)
fix segfault in parser
Olaf: checkin of the new libpthread implementation & added confstr
Make gethostbyname2 case insensitive (Thomas Ogrisegg)
RPC 64-bit cleanliness fixes (Gwenole Beauchesne)
sysctl fix (Thomas Ogrisegg)
make header files C++ compliant (__BEGIN_DECLS and __END_DECLS)
remove more warnings (Yuri Kozlov)
use expect() in a few strategic places
try to add sigcontext and ucontext for x86_64
add ffs, ffsl, ffsll
Olaf: fixing the error string list and sparc bug (Gerrit Pape)
first throw, then attributes (Andreas Jabs)
unbuffered fputc was broken on big endian (big oops, thanks Gerrit Pape)
fix parisc struct stat (Gerrit Pape)
add vasprintf (for elinks)
fnmatch used [^e] instead of [!e] for negation (Heiko Berges)
add sparc and parisc assembly routines (Thomas Ogrisegg)
add swab (Johannes Stezenbach)
make a{4} match exactly and not at least 4 times a (Ingo Oeser)
Olaf: fixed a libdl ref-counter bug (Thomas Walpuski)
All hail to the busybox chiefs! Instead of reporting bugs they find,
they put a #error in their source code. Is Erik seeing the diet
libc as uClibc competition that needs to be squashed even with
unfair methods? People, if you find bugs, tell us!
Fixed fputc and freopen (found in busybox comments)
0.22:
fix i386 libm
fix netinet/ip_icmp.h (Rui Prior)
make strings.h susv3 compliant (Gunnar Ritter)
remove stdio dependence in abort
fix truncate64, ftruncate64 (Luc Van Oostenryck and Yuri Kozlov)
fix and improve erand48() (Luc Van Oostenryck)
fix realpath for non-existant directories (Gergely Nagy and Gerrit Pape)
fix DNS timeout and IPv6 socket reuse
strtoul now accepts "-1" as well (Thomas Ogrisegg)
add i386 strcasecmp and __ltostr (Thomas Ogrisegg)
add killpg prototype (Luc Van Oostenryck)
remove some compiler warnings (Luc Van Oostenryck)
better rand() from Knuth's TAOCP (Luc Van Oostenryck)
fix unified x86_64 unified syscall 64-bit return value issue (Gwenole)
the getdents64 emulation was broken and repairing it opened a can of
worms. So I ripped it out. I also changed the readdir64 emulation
to work if there is no getdents64.
fix ia64 start.S (Thanks to Volker Birk for an account on his ia64 box)
many ia64 fixes (waitpid, nice, fork, vfork, time, utime ...)
More fixes from Gwenole (printf %p only printed the last 32 bits, I
botched the getdents64 #ifdefs, we violated the x86_64 ABI)
change signal() to do as glibc does
remove a few more warnings
add new 2.5 syscall #defines
add epoll_create, epoll_ctl and epoll_wait
the new x86 syscall numbers exceed 255, breaking our %al optimization
I worked around it with conditional assembly in cpp macros. Ugh.
more MIPS fixes (the stoned MIPS ABI for restartable syscalls expects
the instruction before the syscall to be a load immediate)
fix fread() from a pipe (oops, tried to lseek)
#define _POSIX_VDISABLE in termios.h (Laurent Bercot)
two *printf fixes (Gernot Tenchio)
add nan and +-inf handling in __dtostr
add _SC_NGROUPS_MAX support to sysconf (Felix J. Ogris)
make assert() use expect(), slight optimization
add i386 vfork (Thomas Ogrisegg)
fix SA_NODEFER on sparc (Gerrit Pape, Thomas Bader)
fix sin, cos and __dtostr (Gernot Tenchio)
add /dev/epoll ioctl constants to sys/ioctl.h
add linux/eventpoll.h for /dev/epoll
fix lseek64 on 64-bit architectures
Olaf: fix x86_64 start-code (we have reg-args)
fixing some broken macros in sparc32-code (.udiv,.urem)
adding strndup (GNU Extension)
fix glob strncpy (R.L. Horn)
fix regfree (Uwe Ohse)
fix puts in full stdio mode (would omit \n)
fix wrong types on powerpc, broke *stat (Gerrit Pape)
allow more than 64k in i386 memchr (Karsten Scheibler)
make strftime work it WANT_TZFILE_PARSER is not set (Gwenole Beauchesne)
build parisc on parisc64, change libgcc link order on sparc (Gerrit Pape)
0.21:
use gcc's size_t, ptrdiff_t and wchar_t types (Olaf)
use -G 8 on MIPS to reduce code size (Johannes Stezenbach)
add munlock (Jens L??s)
argh, atexit fell victim to bit rot (or maybe Olaf)
add WANT_INET_ADDR_DNS to make gethostbyname not look up IP numbers
but use them to fill in the struct hostent directly.
signal is now a correct signal (Olaf)
read optimizer cflags for diet -Os gcc from ~/.diet/gcc, overriding
the built-in defaults.
add file "SECURITY". I will document design tradeoffs that have
security implications there.
fixed regex LINEEND condition
add .size directive to i386 syscalls
shove a few more bytes off the i386 socket calls
setjmp, longjmp and clone for x86_64 are now implemented but not tested (Olaf)
fix sparc signals
0.20:
calloc was botched
umount and stime for x86_64 (Gwenole Beauchesne)
some malloc fixes for very big numbers (Enrico Scholz, me)
x86_64 unified syscall did not preserve rbx violating ABI (Gwenole)
realpath fix if path did not contain a slash (Gwenole)
add ucontext
add asm/statfs.h to work around people using <linux/fs.h>
0.19:
current gcc cvs makes __thread a keyword (Eric Troan)
be more strict regarding hostile DNS packets (me)
fix ia64 compile problems (Gerrit Pape)
make killpg a function and not a macro (broke bash 2.05b)
fix ia64 start code and unified syscall (me)
add sparc/strlen.S from Thomas Ogrisegg
add more space to ARM __jmp_buf in setjmp.h (Andre)
fix libcompat/syscall.S (did't compile on arm)
add integer overflow fix in xdr_array after bugtraq advisory (me)
fix x86_64 socket calls and mmap (and some more) (Gwenole Beauchesne)
add calloc integer overflow fix after RUS-CERT advisory (me)
add fread and fwrite integer overflow fix (me)
0.18:
add stpcpy (from Thomas Ogrisegg)
check in mktime fix (from Luc Van Oostenryck)
add libm2.s from contrib to i386 (oops, how long has it been sitting
there?)
add truncate64 and ftruncate64 and prototype for truncate (only had ftruncate)
Michal Ludvig (SuSE) ported the diet libc to the x86_64 architecture (the
upcoming AMD Hammer chips!). You can't even buy the chips yet and
the diet libc already supports it! Amazing ;-)
Michal's patch also fixed several of the outstanding warnings. Thanks!
Andre sent a patch to add ARM profiling. He says it does not work
yet, but it's a start.
added getdents64 backwards compatibility and include it in large file
support #defines
perror now checks if the message is NULL like glibc (Thomas Ogrisegg)
ftell did not take ungetc into account (Kevin Ryde through Debian).
Thomas Ogrisegg sent a port to IA64!
sigaddset, sigdelset and setismember segfaulted for signal 0 (Gunnar Ritter)
Enrico Scholz reported several bugs in the header files.
change __malloc__ to __attribute_malloc__
add pa-risc socketcall (but see TODO) (Felix J. Ogris)
fix *rand48 initialization (Kevin Ryde)
fnmatch infinite loop fix (Piotr Esden-Tempski)
make signal() into a sigaction wrapper function
add memrchr (Emil)
remove __attribute__((const)) from getpid() (Yuri Kozlov)
make getserv* also work if proto is NULL (Jens L??s)
now clone on parisc works (Thomas Ogrisegg)
getopt* fix from Thomas Walpuski
add syscall() to libcompat (Thomas Ogrisegg)
fix strncpy and strrchr i386 assembly versions for dynamic linking
(John K. Hohm)
allow short option grouping in getopt* (Ralf Wildenhues)
make the DNS resolver IPv6 transport capable (WANT_IPV6_DNS)
mention -v in diet.1 (Bryan Henderson)
auto-detect gcc 3 on i386 and remove compiler option warnings
putenv tweak (Thomas Ogrisegg)
add missing socket syscalls for PA-RISC and IA64 (Thomas Ogrisegg)
add cpio.h and tar.h (Thomas Ogrisegg)
change opendir/readdir/closedir from malloc to mmap (Thomas Ogrisegg)
cleanups from Florian LaRoche
0.17:
fix several bugs in getservent_r
Gunnar Ritter reported the following:
moved tcgetpgrp and tcsetpgrp to unistd.h
adjusted lstat->lstat64 #define to make it work with function pointers
move __dietlibc__ #define from features.h to diet
Thomas Ogrisegg sent x86 memccpy and strncpy routines and introduced
an dietfeatures.h #define WANT_FULL_POSIX_COMPAT
Thomas also sent me profiling support (so far only on x86, but
profiling/PORTING describes what needs to be done for other
architectures)!
add contrib/dprof.c, also from Thomas.
Andreas Krennmair sent a patch to add the BSD regex interface to
libcompat
Andre noticed that __dtostr never sets first to false. Oops!
Andre has provided a largely untested patch that seems to fix the problem.
Igor Gilitschenski sent a patch for the "%8.7lx" issue.
abort did not flush all stdio streams
fix some nasty regular expression bugs
write a stupid malloc checker (contrib/debug-realloc.c) to help me
debug my regular expressions. Please read contrib/debug-realloc.txt
our i386 memchr,memcmp were broken for the count=0 case
fix DNS domain search
i386 memccpy exchanged esi and edi :-( I should do more checks before
accepting external code...
0.16:
"diet -v" or "diet -Os" segfaulted without further arguments.
Andre found two very embarassing bugs in my four lines of md5 glue.
I need to get more sleep.
Thanks Ogrisegg found that ptrace does not work as documented and
provided a wrapper that emulates the glibc behaviour.
Dirk Engling saved 8 bytes and 4 cycles in the ARM clone()
fix ptrace.h for S/390 and ARM
provide a PORTING document so we don't lose track of which file need
to be touched to port the diet libc to a new platform.
remove a few warnings
provide a prototype for usleep.
make __dtostr work on ARM by using long instead of long long.
Idea by Dirk Engling.
fix an argument counting bug in *scanf (Thomas Ogrisegg)
Forgot an #endif in asm/sigcontext.h (Mike Castle)
Kurt Garloff sent in patches to
fix struct termios on non-x86 architectures
printf("%+05d\n",500) was broken (Raimar Falke told me, Olaf fixed it)
create libcompat.a (and move daemon to it)
add getdelim and getline
*printf now recognize 'z' integer flag (and ignore it)
Dirk Engling provided a strcpy.S for ARM.
Olaf: fixed *scanf familie. It hadn't wored with "long long".
Hans Lermen fixed i386/getenv.S
diet -Os no longer discards -fpic and -fno-pic
fix i386 rand/random to use correct RAND_MAX (thanks, Jaroslav
Macodiseas)
sys/ipc.h now includes sys/types.h
Olaf: started to make the sparc64 port
scandir should not sort if compar() is NULL (reported by Andrea Marrosu)
0.15:
vfork sucks. I reverted to the old behavior where vfork==fork.
fix bsearch (and remove i386 assembly bsearch, needs to be redone).
Thanks Ogrisegg sent a patch to make the PA-RISC unified syscall
thread-safe!
remove vfork and add alarm to dynamic syscalls.
fix diet-dyn to link in dyn_dstop.o and not dyn_stop.o.
The MD5 code generated unaligned accesses when passed an unaligned
pointer on little endian ARM and MIPS.
MIPS unified syscall didn't compile anymore.
Put up new mipsel target to cross compile for little endian mips.
The mips target will again explicitly set endianness to big endian.
Compiling natively on a MIPS box should not touch the endianness.
Duh, when we removed return0, we broke tzset when the time zone parser
was disabled. Uwe Ohse noticed this. Thanks!
Fix gethostbyname to match host names case insensitively in /etc/hosts.
Oops, this was reported 6 weeks ago but I overlooked the email.
Thanks, Denis Rachal!
vsnprintf's zero termination was broken.
Uwe Ohse found a few more bugs:
Remove WANT_BUGGY_GLIBC_STRSEP. The Linux man page is broken, glibc
does it correctly.
Make inet_aton use strtoul instead of strtol
fdopen would close the file descriptor if it could not malloc the
buffer.
strftime updates.
Make _FILE_OFFSET_BITS includes -Wundef clean
Andre found a typo in endian.h for big endian mips
Ryan told me that fmod was not included in libm. Oops.
strstr(whatever,"") returned NULL, not whatever. Found by a new test
suite entry for strstr that I wrote.
Thomas Ogrisegg suggested or sent patches for the following:
add <asm/sigcontext.h> for profiling support.
make strncpy a #define in string.h to save a few bytes.
an i386 assembler getenv implementation (roughly half the size)
add grantpt, ptsname, unlockpt
add a getenv test suite entry.
Andre contributed an ARM assembler md5 implementation and he fixed mmap
on ARM.
add glibc macro names in sys/reboot.h. Mentioned by Laurent G. Bercot
getservent_r did not parse lines without aliases. Thanks, Jaroslav
Macodiseas!
fix MIPS start code (argv[0] was always corrupt)
removed annoying -Wconversion gcc switch
add -v to diet.c and fix MIPS CFLAGS in diet. Thanks, Johannes Stezenbach
Kurt Garloff sent these diffs:
add fdatasync (and make it a pthread cancellation point)
numerous alpha issues, like using .quad instead of .long for
offsets, change strip to -strip in Makefile (so a failing strip does
not abort the make), try to be more friendly to the gcc 2.96 that
SuSE 7.1 AXP ships with.
0.14:
fix brk again (missing __brk, trivial oversight)
a new i386/atol.S that is 4 bytes smaller (and faster, too!). Thanks,
Thomas Ogrisegg!
Thomas also contributed a PA-RISC port including testandset, so
libpthread will work once we implement clone! Great work, Thomas.
made the fake locale more believable.
If you need gettext, use http://www.ca.postgresql.org/~petere/gettext.html
moved _exit into the unified syscall on x86.
Uwe Ohse found many more bugs:
getpass EINTR handling, ttyname, sysconf_cpus with SLASH_PROC_OK,
liblatin1 was more or less completely broken if you gave it chars as
arguments, not ints (signedness). execvp had a buffer overflow in
case a PATH element exceeded PATH_MAX, but it's not a security
problem since setuid programs need to set their path to some known
value anyway.
hasmntopt did not work with foo=bar style options
Uwe also improved ftw's stack usage.
Put movl instead of popl rationale in comment in i386/unified.S since
three people have suggested saving a few bytes with popl now ;)
I discovered __attribute__((malloc)) and started using it. For gcc 3,
it improves the optimizer when functions return malloced pointers.
Steven Rostedt pointed out that my setvbuf was broken with regard to
size==0 and sent a patch to fix it.
Thomas Ogrisegg made setenv smaller.
Olaf: implemented the parisc clone and an atomic testandset, modified the
libpthread to respect the parisc UPgrowing stack. still non functional,
because the unified syscall uses errno :(
tcgetospeed read from the wrong termios field. Thanks, Gunnar Ritter!
Fixed asprintf (relied on vsnprintf(NULL,...) to return length but
don't write anything which was no longer the case. It also
allocated one byte unnecessarily, which Uwe Ohse found.
Fix ttyname (readlink does not \0-terminate, forgot to do that).
0.13:
add readdir64 and automatic mapping if _FILE_OFFSET_BITS == 64
make diet not include the linker safeguard stuff when preprocessing
Olaf: port to S/390!
fix vfork (it was put into dietlibc.a twice)
res_query did not initialize last
diet (not diet-dyn, of course) now adds -static to the gcc command line
fixed fflush on input streams (tic from ncurses exposed this)
duh, there is an alarm system call, too, so we use it and not setitimer
fix comparison in gmtime_r that caused Jan 1 to be converted to Dec 32.
rewrote __dtostr (it also has one more argument now)
Thanks to Erik Troan for bringing these to my attention:
make putenv behave like glibc (putenv("HOME") == unsetenv("HOME"))
fix strncat for the case where n == 0 (security implications?)
fix bsearch (it didn't find the very last element in the array, same
bug in both the C and the i386 assembly version).
fixed FNM_PATHNAME in fnmatch
fix brk (the syscall was documented incorrectly in the Linux man page)
Thanks, Thomas Ogrisegg!
added negated character classes to fnmatch (not required by POSIX)
make the utmp routines open utmp read-only if read-write doesn't work.
remove syscalls.c directory, it is obsolete now with unified syscalls
0.12:
more contributions from Frank Klemm.
iconv can now do UCS-2, too.
Imported several x86 assembly routines from Wouter van Kleunen.
Lots of bug fixes, and several more i386 specific versions of common
routines to make them smaller.
add memmem (a GNU extension that looks useful)
several changes from Michal Ludvig: inttypes.h gets C99 macros,
add pivot_root syscall, %n for *scanf.
add adjtimex (thanks, Laurent BERCOT)
add Frank Klemm's optimized md5
add -Os option to diet (see diet.1).
several IPv6 constants and HZ were missing, thanks Johannes Kloos.
add 32-bit uid/gid syscalls.
add rand48 (thanks, Johannes Kloos)
fixed a lot of bugs in getopt* (thanks, Johannes)
add strxfrm and tweak limits.h. glib-1.3.8 now compiles without changes.
add a few more module syscalls. modutils-2.4.9 now compiles without changes.
fix gethostent alias list termination. Major oops.
add execle and two DNS constants (from Johannes Kloos).
opendir did not close-on-exec (thanks, Laurent Bercot).
DNS will now properly signal errors and set h_errno.
A few more cleanups (thanks, Andreas Jabs and Matthias Andree).
Added an uber-cool linker safeguard feature! Idea by Matthias Andree.
If you enable WANT_SAFEGUARD in dietfeatures.h, diet will include an
external reference to a symbol that is only in the diet libc. So,
when you accidentally link a diet libc compiled object file against
glibc, the linker will barf. This will bloat your object files, but
you can remove all the references with "strip -R .note" from
the binaries in the end (which you should do anyway).
fix ARM unified syscall (select did not work).
add getpwent_r ala glibc and replace getpwent
do the same for getgrent and getspent
remove entlib (new code is smaller)
rewrite getserv* to use parselib (and provide ..._r, too)
add getpwnam_r and getpwuid_r
rewrite getproto* to use parselib (and protive ..._r, too)
Olaf muddled with the dynamic linker. It's a clean-room
implementation in the sense that it once worked for Olaf in a clean
room ;)
add if_nameindex and if_freenameindex.
fixed arm unified syscalls to work with current binutils (; is no
longer a line separator but starts a comment, switched to .macro)
changed all st_[cma]time types to signed long so comparisons against
LONG_MIN will work correctly. (GNU tar does this)
fixed two bugs regarding ungetc.
add getusershell, setusershell, endusershell (for vs_ftpd)
add prctl, dirfd (also for vs_ftpd)
fixed strftime (was completely hosed)
added real make install target
0.11:
fix major oops in DNS routines (only with WANT_FULL_RESOLV_CONF enabled).
fix vsscanf bug (Thanks, David Chappell).
add floor, ceil and memchr prototypes.
add __builtin_expect and expect #defines for gcc versions below 3.0
cleaner errno vs __errno_location handling
add placeholder iconv (iconv_open will always return EINVAL)
try to remove kernel 2.4 header dependency in IPv6 sockaddr_in6
initialization of getaddrinfo.
fix vsnprintf %X (printed lower case)
I wrote a new getopt. It appears to actually work (it is POSIX
compliant, it does not sort argv like the GNU version) and is only
a little over 300 bytes on x86.
Guillaume Cottenceau just wrote me that strncat should be even more
broken than it already is: it should append n bytes AND THEN \0!
I wonder how many programmers have produced off-by-one errors here...
Fix regexec offset return. autoconf now believes that diet libc has
POSIX regular expressions.
Fix fnmatch (a/b/* matched a/b/c/d even if FNM_PATHNAME was set)
Fix regular expression match for x* when there is no x at all.
Fix memory leak in error case in gethostbyname(2|). Thanks, Dietz Pr?pper.
Add %h to vsnprintf.
Add FAQ.
Make %h work for signed numbers and add %hh to vsnprintf.
initgroups ignored the group argument :-(
remove printf references and nested functions from glob.
added an errno in libpthread that will display a prominent linker
warning.
started getting rid of kernel headers. Big task! :-(
add res_mkquery. The diet libc can now compile and link mtr.
Olaf: added a lot of code in libdl (not yet complete), changed the
startup code to make it work with his libdl and ld.so (needs still work
too)
__dns_readstartfiles only took the first domain or search path.
Thanks, Anthony de Boer
Olaf: added clone and a new unified_syscall for PowerPC
also dynlinker is now available (i386 only at this time)
crufted together a stdarg.h implementation from the various gcc headers.
implement getopt_long (ugh, the GNU people need professional help)
fixed word delimiters in regex (they looked for space, i.e. "," did
not work as delimiter)
errno.h now declares sys_errlist and sys_nerr.
added mkdtemp.
Uwe Ohse reported all of the following bugs:
ttyname should return 0 if !isatty.
realpath returns NULL if "." cannot be opened
putenv erroneously accepted (and mishandled) entries without "=".
popen returned 255 instead of 127 if /bin/sh could not be run.
fgetc did not set the internal EOF indicator on EOF.
bsearch contained an assumption about integer arithmetic overflow
behavior.
system did not set SIGCHLD and thus contained a race.
popen did not set close-on-exec and could leak an fd on malloc error.
daemon did not check whether open returns an fd below 3
perror did not save errno.
Olaf: Peter Jones reported some problems with perror; strerror had the
same problem.
Peter also posted a patch to atexit/exit. With some modifications it is
now implemented.
Unbuffered stdio and ungetc can no longer be disabled. I will try to
implement part of it using ELF weak symbols.
Added minimal sysconf (tehe) from David Chappell.
Added overflow handling for strtoul and strtol.
Added WANT_ETC_HOSTS in dietfeatures.h and made gethostbyname/2 use
it before falling back to DNS if enabled.
Added a littie backwards compatibility cruft for gpm (man, do these
sources stink!)
Added openpty.
Squeeze a few bytes off the is* routines, courtesy of Peter Jones.
Fix fseek return value.
Add dirname and basename.
Add a few i386 math routines contributed by Frank Klemm.
Fixed getservent (did not allow _ and - in the aliases).
Thanks, Oden Eriksson
Added a float.h so configure believes we have ANSI header files.
Fix a lot more stdio bugs that Uwe Ohse pointed out.
Olaf: has added a new scanf and printf core that is suitable for all
scanf and printf function implementations
Imported a few more functions and optimizations from Frank Klemm (he
also rewrote dtostr to have more precision)
Olaf: checked in a new sig* function family (based on rt_sig*).
legacy <2.2 signal-handling doesn't work at the moment.
Made rudimentary iconv that can convert back and forth between
iso-8859-1, utf-8 and ucs-4 (for debugging).
Thanks to Markus Kuhn for the excellent utf-8(7)!
0.10:
update getpagesize.
add personality.
add "%*s" and "%*.*s" support to vsnprintf.
add putchar (apparently arm-linux-gcc will substitute printf("\n")
with putchar('\n') behind your back...?!
import include/scsi/ from glibc.
add iopl.
add execl and sigdelset prototypes.
add getopt_long stuff to getopt.h (may compile but won't link).
add RPC headers (no code yet).
add mlockall, munlockall
make "diet gcc foo.c" work.
added Sun RPC code and removed as many warnings as possible in a
heroic act of self-mutilation.
added getproto* and getdtablesize for the RPC cruft :-(
added getpass. mount from util-linux actually compiles now!
fix the sig*set routines. mount actually works now *bg*
fix fwrite dividing by zero when trying to fwrite n records of size 0.
added an initial regex implementation (3500 bytes!!!).
add llseek and lseek64 with optional lseek fall-back.
add res_init.
add asprintf (ugh, what an ugly function).
expanded arpa/nameser.h to include backwards compatibility defines
add ut_name alias to ut_host in struct utmp.
add inet_ntop, inet_pton, gethostbyname2.
add sysinfo, recvmsg, sendmsg.
add endmntent, getmntent, setmntent.
fix fnmatch (thanks, Guillaume Cottenceau!)
add setenv.
remove __restrict from mntent.h, add __restrict__ removal alias for
older gcc versions in sys/cdefs.h.
add rlim_t, sig_atomic_t declarations.
add sigsetjmp #define for __sigsetjmp (oops).
(Thanks to Chris Siebenmann for these three bug reports)
add a gruesome hack to printf floating point to accept %f and kludge
together support for %.2f. Don't look at the code, please!
fixed tcsetpgrp (oops, this is embarassing! Thanks, Chris Siebenmann)
imported fix for entlib by Jeff Garzik.
add glob implementation from Guillaume Cottenceau (Thanks!!)
add libdl fragments from Olaf (Yeah! One step closer to dynamic linking!)
add REG_ICASE and word start/end handling to my regular expressions.
my regular expressions now actually match substrings (i.e. "foobar" to "bar").
wrap getcwd to comply to man page (the syscall returns the number of
bytes, not the buffer)
add realpath.
fix vfprintf.
fix *scanf %s zero termination.
add abs, labs, llabs.
add <sys/io.h>, ioperm syscall.
add flock to <sys/file.h>
fixes to bsearch and the regular expressions.
add fake herror.
add scandir and alphasort.
add killpg
implemented a gross hack to make libpthread compile when
dietfeatures.h does not define WANT_THREAD_SAFE (it's empty then).
add getaddrinfo and freeaddrinfo (man, what a fucked up interface!)
fix sigsuspend (syscall had completely fscked up arguments!)
RLIM_INFINITY from the kernel is broken. Thanks to Chris Siebenmann
for sending a patch.
add getserv*.
add WANT_FULL_RESOLV_CONF so that the DNS routines use "domain" and
"search" from resolv.conf.
0.9:
fixed initgroups (oops)
Cleanup appending file open for stdio (thanks, James Antill)
imported vfprintf fix from James Antill.
add fnmatch
change index, rindex and bcmp as weak ELF symbols (were #defined before)
Olaf added character classes to *scanf.
Put object and library files into a separate directory (bin-$ARCH).
Add "cross" make target to make all architectures.
Add "diet" program and man page.
Add getgrnam, getgrgid
Add cfmakeraw (Thanks, Antonio Musumeci)
localtime won't call gettimeofday when the tzfile parser is used.
0.8:
vsnprintf(0,...) estimated the length of strings with a padding width
incorrectly.
new reboot() from Olaf.
added prototypes for getsockopt and setsockopt.
added experimental sem* and shm*
define EXIT_SUCCESS and EXIT_FAILURE
added setvbuf (only changes mode, not buffer)
added dietwarning.h (woohoo, linker warnings!) and used it to warn of
insecurity (system, sprintf) or bloat (printf and stdio).
added qsort() and bsearch(). Benchmark on 1000 random ints:
glibc: 679414 cycles qsort and 3352 cycles bsearch
diet libc: 300010 cycles qsort, 553 cycles bsearch
I have no idea why glibc is so slow.
added __isnan (references by libm.a from glibc).
added popen() and pclose(). Now the diet libc can link slsh (from
S-Lang!)
corrected usleep. It was more of an msleep until now.
corrected __dtostr (it looped when trying to format "0.0").
several fixes to stdio (thanks to S-Lang's excellent test suite!)
added ungetc (does it work?)
added inet_aton (yuck!)
added gethostbyname, gethostbyaddr, gethostbyname_r and gethostbyaddr_r
added h_errno and __h_errno_location
added inet_ntoa
added setpgrp and getpgrp, strsignal and execv (thanks, Olaf)
add bcopy, index, rindex macros
add isgraph and isxdigit
add strftime (ugh!!!)
Olaf fixed strftime, gmtime_r leap year bug.
Jeff Garzik contributed a spec file. I put it in contrib and hope
everbody knows what to do with it...
Olaf checked in a ton of libpthread stuff.
added mkstemp using /dev/urandom (harder to guess than getpid()).
add large file backwards compatibility support (so gzip will run on
kernel 2.2 and 2.0)
added shutdown
added nice
added pseudo-locale support for is* (they are now weak aliases,
isupper -> __isupper_ascii etc). So, for example, liblatin1 can
overwrite the default is* functions.
added liblatin1.a
added tzfile implementation (does it work for anyone else?)
added syslog(3) (thanks to Rene M?ller!)
Jeff Garzik contributed getgr*, getpw* and getsp* in one tiny package.
Thanks!
merged duplicate code in execv and execvp into exec_lib.o
0.7.2:
added several prototypes to already implemented functions and
<sys/reboot.h>. Thanks for Abraham for pointing this out.
added prototypes for process group and dup syscalls. Thanks to
Abraham again. He also contributed an implementation for daemon(),
an ugly BSD hack. I decided to diversify the lib/ directory a
little and now created a libugly/ directory for stuff like system()
and daemon() ;-)
added libstdio and moved all that stdio crap from lib/ there. The
idea is to start separating now what we will separate for shared
libraries anyway.
optimized x86 unified-syscall by Olaf.
added limits.h, removed __ARCHBITS from endian.h (use __WORDSIZE from
limits.h instead)
added remove.c and enough cruft to limits.h to make it compile lzo,
lzop and bzip2.
added mktime, asctime_r, asctime and ctime (needed for gzip).
Someone will need to implement a reader for the glibc localtime file
format some day (man tzfile, ugh!) :-(
added unlink prototype to unistd.h.
added gmtime and gmtime_r.
fixed sparc unified syscall error handling (please upgrade!).
removed readdir glibc compatibility cruft.
removed stat glibc compatibility cruft.
oops, my fread was broken for pipes.
Olaf found a bug in pipe() for sparc, too.
0.7.1:
optimized away the static arrays from __ltostr and __lltostr.
optimized away the static arrays (and more!) from strtoul and strtoull.
added system (by Olaf).
added tolower and toupper
added getopt from Olaf (~600 bytes on x86!)
added clone for mips (by Olaf).
fixed longjmp and setjmp on sparc not to require glibc include files.
added pause for all (by Olaf).
added __attribute__ ((__const__)) to ctype.h
added isupper and islower.
added putc and putchar as macros.
added strcasecmp and strncasecmp (thanks to Abraham vd Merwe for
insightful discussions and patches I partially used for the last three)
added getpriority and setpriority (also by Abraham)
oops, I broke strtoul in a recent optimization attempt.
oi, setjmp and longjmp were broken on other platforms, too!
Thanks to S?bastien C?t? for reporting this.
0.7:
clone support for i386,alpha,arm and sparc by Olaf.
Initial dynamic loading glue for i386, also by Olaf.
We don't have a dynamic loader yet, so this is not yet usable.
added readv, sigdelset, sigaltstack, sigfillset, sigismember, usleep,
vsprintf, writev, all by Olaf.
imported readdir fix from Guillaume. Mhh, can the kernel interface
really be this broken?
Found a kludgy way to detect whether the kernel includes define struct
stat64 (they also define STAT64_HAS_BROKEN_ST_INO). If this does
not work for you, please tell me!
Removed bogus __seek_types enum, it's a bunch of #defines now.
Fixed stdio line buffering. The code was already there but I forgot
to mark stdio and stdout as line buffered. This should really be
done dynamically using isatty, though.
Removed superfluous "if (1)" in execvp.c
0.6.14:
*scanf did not append the 0 byte for %s.
added creat and changed creat to call open directly instead of open64.
did for fread what 0.6.10 did for fwrite.
repaired buffered stdio a little (line buffering is still not
supported).
[All of these bugs have been reported by Guillaume. Thanks!]
added __pure__ to strchr and strrchr in <string.h>
0.6.13:
included COPYING to make clear that the diet libc is covered by the
GNU General Public License (and _not_ the LGPL). That means that
you need to obtain a license from me if you want to use the diet
libc in a proprietary program that you want to distribute.
The x86 unified syscall swapped arguments #4 and #5 and noone
noticed until now! Thanks to Guillaume Cottenceau for reporting
this!
The malloc had a subtle bug with small allocations that could cause
segfault. Guillaume reported it, Olaf fixed it.
0.6.12:
added assert, statfs and fstatfs
added include/net/if.h so fget compiles again.
0.6.11:
added putenv.
0.6.10:
fixed fwrite. It returned the number of bytes written, not the number
of records. Thanks to Albert D. Cahalan for pointing this out.
fixed fgets. It returned EOF on empty lines. Thanks, Erik Frey.
added brk and sbrk. harold@nb.com.sg made me do it.
0.6.9:
fixed execvp not to return on ENOENT
did for {open|read|close|seek|tell}dir what I did for stat before.
The glibc compatibility part is currently non-functional.
fixed white space handling in sscanf " (" would not match " (".
fixed printf to accept 'l' flag.
fixed getpwuid (ignored last line)
0.6.8:
Olaf contributed initial thread-safe syscalls for i386, alpha, sparc,
mips and arm. I did the one for ppc. They can be enabled in dietfeatures.h.
added strlcpy and strlcat from OpenBSD.
added stat64, fstat64 and lstat64.
added endian.h and made ending of strlen.c endianness-aware
added string routines size tweak to dietfeatures.h. Most of the
string routines have been unrolled. This is up to three times as
fast but creates up to three times larger code. Now you can disable
the unrolling.
added sendfile.
I also added pread. It works on x86 and sparc but not on ppc and mips.
I have no idea what's going on. strace disagrees with the kernel.
Can anyone help? I asked the Linux kernel mailing list for help, too.
added a few aliases of the type __libc_open for open. nm on
libpthreads.so indicates that we will need them.
0.6.7:
the sources now compile without warnings with -Wall.
printf now prints "(null)" when %s is passed NULL. This can be
removed with WANT_NULL_PRINTF in dietfeatures.h
added vfprintf, execl, ttyname.
stat, lstat and fstat are now #defined to __dietstat, __dietlstat and
__dietfstat so they can use the normal kernel struct stat.
stat, lstat and fstat are now C wrappers that convert to the glibc
struct stat. So we can avoid that overhead for programs that use
dietlibc headers.
0.6.6:
changed the Makefiles so you can now set CFLAGS on the command line
added memccmp (analogous to memccpy) and strncmp.
Olaf fixed another bug in the sparc unified syscall.
Paul Clifford contributed a C version of his strlen.S that is much
more efficient than the previous strlen on all platforms! It also
looks like technology from Roswell. ;-}
added a "real" stdio. Well, almost. Please contribute!
added dietfeatures.h so you can remove features you don't need.
removed debug code from vsnprintf that changed \0 to ' ' (argh!).
stdio now works with simple programs and minigzip from libz.
stdio uses some major trickery to avoid linking the stdio, stderr and
stdout (and reserving space for them) when they are not used.
0.6.5:
Red Plait <redplait@ixcelerator.com> found several bugs in diet libc,
most of them bugs in the new header files, but also missing sigset
functions.
Paul Clifford contributed an assembly strlen.S for ARM and fixed
several bugs.
Fixed ppc/setjmp and mips/pipe.
Olaf contributed a new sparc unified syscall.
0.6.4:
declared is* static inline in getservent.
added assert_fail, strtoul, isalpha, isdigit, isalnum, isascii.
changed strlen to return 0 when passed NULL.
new, much smaller unified syscall for MIPS. Thanks to Olaf the Mad
Scientist who actually implemented this without access to a MIPS
box, just from reading the architecture manual. And it worked out
of the box.
started a set of system includes, mainly so that I can use lcc and
my alpha-linux cross compiler (which is unable to cross-compile
glibc). diet libc can now be compiled without any include files
from a normal libc. The includes do declare more than diet libc
currently delivers and they are still far from complete for real
applications.
I will only add assembly versions that are smaller _and_ faster than
the C version. Larger routines are only accepted if they are called
very often and are substantially faster.
added i386 assembly strchr, which is smaller and faster than the old
version. It is, however, larger than the version contributed by
proton (thanks, anyway).
added i386 strlen (31% faster, 14% smaller)
"make t" will now create a map file called "mapfile".
0.6.3:
added sys_errlist, strerror and perror
added isblank
added atol
0.6.2:
mmap for ARM didn't compile. Thanks, Paul!
0.6.1:
split mmap into the architecture specific subdirectories.
getenv now copes with environ==NULL, thanks Paul Clifford.
Paul also contributed a smaller ARM startup code.
0.6:
strcat returned the wrong result. Thanks, Dietz Pr?pper.
strtod now understands a negative exponent (oops, thanks Bertram Barth)
Port to arm-linux-gnu, but on the Netwinder I use for testing the
__dtostr does not work (I have no idea why!)
The MIPS port now uses (much smaller) non-PIC code. That means that
the applications you link against diet libc also have to be compiled
non-PIC. I suggest copying the CFLAGS from the diet libc Makefile.
Thanks to Ralf B?chle for helping me with this!
I made subdirectories for the architectures and use VPATH to override
VPATH so that make finds the source file automatically. That should
simplify the sources greatly.
Olaf Dreesen contributed Alpha support including setjmp and longjmp!
ARM and MIPS now also have setjmp and longjmp
"compile" and "load" are now make targets. Use them for djb programs.
added contrib/elftrunc.c which will remove unnecessary ELF headers.
Again, contributed from Olaf. Great work!
0.5.12:
printf also does signed numbers.
If you don't use atexit, dietlibc now does not link exit, only _exit.
*printf now correctly returns the number of bytes written.
Olaf contributed experimental sscanf and vsscanf implementations.
If passed NULL as buffer, snprintf will not write anything but still
return the number of bytes it would have written.
Initial MIPS port! (Oh, the agony!)
No setjmp and longjmp support yet! Please contribute!
I even implemented unified syscalls for MIPS. Still, MIPS code is
almost twice the size of SPARC code. If anyone knows why: please
tell me!
0.5.11:
I implemented new unified syscalls for x86, sparc and ppc, this time based
on .s files and not .c files, and I moved the syscalls into
subdirectores to clean the dietlibc sources up a little.
A binary consisting of printf("%s is %d\n","olaf",23) is now
2864 bytes on sparc
2488 bytes on intel
I kludgily implemented fprintf(stdout,... and fprintf(stderr,...
to make a few more applications work.
Olaf Dreesen also implemented some unified syscall stuff for x86.
He discovered that with our unified syscall interface it actually
costs <10 bytes total to make all system calls thread safe!
I implemented atexit() (can register up to 4 callbacks).
I implemented strtod and __dtostr (the opposite). Now we can add
floating point support to vsnprintf and sscanf!
0.5.10:
I actually saw that I can not only merge the errno handling code of
the system calls on x86, I can also merge the rest (including the
arguments) except for setting the system call number. All those
system calls are now just a jump to a unified system call handler.
I got rid of x86openclose again. The savings are substantial:
chown from embutils went from 7664 to 7184 bytes!
If I'd move the system call wrappers to assembly language, I could
even reduce the alignment (does not matter since it's just a jump
anyway) and get rid of the "ret" behind each jump (one byte per
system call!)
0.5.9:
added memchr, strpbrk, strstr, strtol, isspace (hehe)
fixed strdup
fixed return values for strcpy and strcat (thanks to Norbert Berzen)
Olaf Dreesen contributed a strtol and initial {sn|vsn|}printf implementation
(no signed integers, only strings and unsigned integers (but
supporting octal, hex and decimal). Thanks, Olaf! (by the way:
that code must be wonderful, I don't understand it at all *bg*)
Olaf's printf does understand padding like in "%08d" and "%8d" and
automatically pads pointers with '0'.
Rewrote the x86 start code, old: 22 instructions, new: 12 instructions.
Thanks to proton for inspiration on this.
The new x86 start code also does not reference exit any more, thus saving
64 bytes for executables that don't call exit explicitly.
[insert maniacal laughter] EVERY BYTE COUNTS!1!! ;-)
Moved errno and environ to start.S, saving no byte binary size but
speeding up compilation and slightly shortening dietlibc.a ;-)
For x86: joined open and close into one assembler file, sharing the
errno handling. This is a feasibility test and it actually saves a
few bytes. I think I will reimplement the _syscall[1-6] macros on
all platforms now to share the errno handling code for them.
0.5.8:
fixed strchr to be able to look for 0.
added _llseek, ftruncate, getpgid, getresgid, getresuid, getsid,
memccpy, memmove, mprotect, setregid, setresgid, setresuid, setreuid,
strncpy, swapon, truncate, strtok, strtok_r, strspn, strcspn (all
contributed by Olaf Dreesen)
added execvp, getcwd
fixed __xmknod
Note: can it be that the ftw interface really is so broken that I
cannot implement it without having to implement some searching data
structure? I included an experimental ftw implementation that will
not follow symlinks.
0.5.7:
oops, if_nametoindex was broken!
0.5.6:
ported to ppc-linux.
fixed i386 sigsetjmp (I mistyped the function name)
included sigjmp.c
0.5.5:
added wait, sys_siglist, longjmp/setjmp/sigsetjmp for i386 and sparc
actually, it wasn't fork that wasn't working for sparc, it was pipe.
I fixed it now.
dietlibc/SPARC assumes -msupersparc (does not provide div, mul, etc)
fixed readdir to use getdents and not the intel inline asm
0.5.4:
ported to sparclinux (sparc32 only). Beware: does not work yet.
added raise, abort, readlink, strcat, geteuid, geteuid, wait3, access
0.5.3:
added tcsetattr and getenv to compile e3
0.5.2:
added vhangup, tcgetattr, isatty and memcmp for fgetty
(http://www.fefe.de/fgetty/)
added localtime from uC-libc.
0.5.1:
stat and friends actually work now. Yuck! Another case of
translation between kernel and userland. Why can't the kernel
people and the libc people simply agree on a standard?
removed many unnecessary includes to speed up compilation.
added -fomit-frame-pointer and i386 compilation target to reduce code size.
inlined socketcall to reduce code size.
"load" and "compile" are examples for djb code.
0.5:
Olaf Dreesen contributed a much smaller implementation of malloc and friends.
each object file is now treated with "strip -x -R .note -R .comment"
split each system call into a separate object file
added ntohs, htons, alarm, if_indextoname and if_nametoindex
0.4.1:
oops, the strchr implementation was wrong. Thanks Jens Laas!
0.4:
copied opendir and friends from uC-libc.
added getservent and getservby* in gerservent.c
0.3:
remove readdir system call
added getdents system call
added getpwnam/getpwuid implementation in getpwnam.c
added a few string functions (in str*.c)
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