Annotation of dietlibc/CHANGES, revision 1.739

1.697     leitner     1: 0.34:
                      2:   move stpcpy from libcompat to lib as it is now part of POSIX (Enrico Scholz)
1.698     leitner     3:   add linux/seccomp.h linux/prctl.h linux/audit.h linux/elf-em.h linux/filter.h
1.699     leitner     4:   SECURITY: make sure all assembler files mark the stack non-executable so
                      5:     the kernel can map the stack of the whole program as non-executable
1.700     leitner     6:   support compiling with clang (no cross compiling yet, and the resulting
                      7:     binary code is significantly larger than with gcc)
                      8:   implement experimental C11 threads
1.701     leitner     9:   fix fgets (Andreas Förster)
1.702     leitner    10:   add eventfd, inotify_init1, epoll_init1, accept4, recvmmsg, sendmmsg
                     11:   add dup3, fanotify_init, fanotify_mark, signalfd4, timerfd_settime
1.703     leitner    12:   add timerfd_gettime, setns, memfd_create, getrandom, syncfs
1.704     leitner    13:   add preadv, pwritev
1.705     leitner    14:   add getcontext, setcontext, makecontext, swapcontext (i386 and x86_64 only for now)
1.706     leitner    15:   add implementation of hsearch and friends
1.707     leitner    16:   add strverscmp (like GNU version but without special treatment for leading zeros)
1.708     leitner    17:   fix cuserid
1.709     leitner    18:   SECURITY: fix integer overflow in scandir/scandir64 if your selector
                     19:     leaves more than 1 billion filenames
1.710     leitner    20:   fix memory leaks in out of memory error paths in regcomp and librpc
                     21:     udp and tcp server code (found by the llvm static analyzer)
1.711     leitner    22:   fix returning more than one match in regexec (Stefan Wagner)
1.713     leitner    23:   add getentropy, lazy arc4random clone (OpenBSD)
1.714     leitner    24:   define uintptr_t using __UINTPTR_TYPE__ (32-bit platforms may need a make clean)
1.715     leitner    25:   move strnlen from libcompat into libc (it's POSIX now)
                     26:   fix dn_expand argument signedness
1.716     leitner    27:   add explicit_bzero, timingsafe_bcmp and timingsafe_memcmp (OpenBSD APIs useful for crypto)
1.717     leitner    28:   i386 switched from mmap to mmap2. glibc has been doing this for ages,
                     29:     and we now follow suit (without fallback to mmap), because
                     30:     seccomp-filter can't inspect mmap arguments, so this helps security.
1.718     leitner    31:   plumbing to get preliminary PIE support for x86_64
1.719     leitner    32:   don't cause unaligned memory accesses in stackgap for the random from auxvec (Giorgio)
1.720     leitner    33:   implement malloc case for realpath
                     34:   use __builtin_mul_overflow in calloc if gcc is recent enough
1.721     leitner    35:   cleanup s390 syscalls (Christian Seiler)
1.722     leitner    36:   various TLS and pthread fixes (Christian Seiler)
1.723     leitner    37:   add sha256 and sha512 support in crypt(3)
                     38:   promote stpncpy from libcompat to main libc as the sha512 code uses it
1.724     leitner    39:   add x86_64 memccpy, mempcpy
                     40:   import Debian bugfixes (Christian Seiler)
1.725     leitner    41:   setjmp/longjmp for powerpcspe (Roland Stigge)
                     42:   add softfpu from glibc for powerpcspe (need to pass SOFTFPU=1 to make)
1.726     leitner    43:   ppc64 little endian port (Christian Seiler)
1.727     leitner    44:   mips64 little endian port (Christian Seiler)
1.728     leitner    45:   aarch64 port (Christian Seiler)
1.729     leitner    46:   parisc fixes (Gerrit Pape, John David Anglin, Helge Deller, Christian Seiler)
1.730     leitner    47:   fix longjmp on mobile armv7 (Christian Seiler)
1.731     leitner    48:   alpha fixes (Christian Seiler, Thorsten Glaser)
1.732     leitner    49:   powerpc fixes (Gerrit Pape, Christian Seiler)
1.733     leitner    50:   sparc64 fixes (Christian Seiler)
1.734     leitner    51:   update setjmp/longjmp on s390x to use 64-bit ABI (Christian Seiler)
1.735     leitner    52:   SECURITY: x32 fixes: one of them could lead to memory corruption because struct stat was declared too short (Christian Seiler)
1.736     leitner    53:   add really crappy pthread_rwclock implementation for openssl 1.1
1.737     leitner    54:   move getrandom and getentropy declarations to <sys/random.h> to match glibc 2.25
1.738     leitner    55:   add secure_getenv
1.739   ! leitner    56:   mempcpy -> memcpy in sha256crypt and sha512crypt
1.697     leitner    57: 
1.673     leitner    58: 0.33:
1.674     leitner    59:   first stab at getting TLS to work in actual threads
                     60:   use fs: to find current thread on x86_64
1.675     leitner    61:   add fallocate, posix_fallocate
1.676     leitner    62:   work around Ubuntu who added -fstack-protector to their gcc, which
                     63:     added stack protector code to the function from the dietlibc startup
                     64:     code that sets up the registers and segments used by the stack
                     65:     protector mechanism.
1.677     leitner    66:   fix sys/personality.h (Mathias Krause)
1.679     leitner    67:   update sys/ptrace.h (Nikola Vladov)
1.682     leitner    68:   fix fork+pthread closing fd 0 (Tim München)
1.680     leitner    69:   finally add stdout tty detection and turn off linewise buffering if !tty
1.681     leitner    70:   enlarge dev_t to 32-bit on i386, arm, sparc, s390 (Pascal Terjan)
                     71:   update sys/stat.h to include nsec and enlarge dev_t
1.682     leitner    72:   add WANT_VALGRIND_SUPPORT in dietfeatures.h.  When #defined, the
                     73:     startup code will check if the program is running under valgrind,
                     74:     and if it is, the SIMD optimized string routines will switch back to
                     75:     a slower version that does not generate valgrind false positives.
1.683     leitner    76:   add WANT_LLMNR in dietfeatures.h.  Now you can do "ping windowsbox"
                     77:     and it works if that box runs win7 and trusts the LAN; the down side
                     78:     is that LLMNR does not like the .local prefix, so DNS does zeroconf
                     79:     lookup for unqualified names now, too.
1.684     leitner    80:   add WANT_GNU_STARTUP_BLOAT in dietfeatures.h to support
                     81:     program_invocation_short_name and program_invocation_name
                     82:   add INT*_MIN, INT*_MAX, UINT*_MAX, etc to stdint.h
                     83:   remove const from stdsignal prototype to agree with standard
1.685     leitner    84:   only count %[] conversions in *scanf if they matched at least one char
                     85:     (Indan Zupancic)
1.686     leitner    86:   make sure __sc_nr_cpus does not dump core if /proc/cpuinfo is larger
                     87:     than 2048 bytes (Bela Lubkin)
1.687     leitner    88:   use vsyscall for time on x86_64 instead of wrapping gettimeofday (Nikola Vladov)
                     89:   CPU affinity support (Indan Zupancic)
1.688     leitner    90:   lots of ARM fixes (Enrico Scholz)
1.689     leitner    91:   make sure strftime does not write more than max bytes when writing \0
                     92:     (Tobias S. Josefowitz)
1.690     leitner    93:   change gettimeofday vsyscall to use the vdso
                     94:   add WANT_HOSTS_GIVEUP_EARLY in dietfeatures.h
1.691     leitner    95:   various build fixes, add sys/atomic.h and the __CAS function
1.692     leitner    96:   redo nice with get/setpriority as glibc does (Thierry Vignaud)
1.693     leitner    97:   add fdopendir
1.694     leitner    98:   add openat and friends
1.695     leitner    99:   srand(0) made rand() return a series of 0 instead of random data
                    100:     (https://banu.com/blog/42/openbsd-bug-in-the-random-function/)
1.696     leitner   101:   add SO_RCVBUFFORCE and SO_SNDBUFFORCE
                    102:   first stab at x32 support
1.673     leitner   103: 
1.648     leitner   104: 0.32:
1.650     leitner   105:   add mbsinit, mbrlen, mbtowc, wctomb, mbrtowc, wcrtomb, wcwidth
1.651     leitner   106:   add btowc, wctype, iswctype
1.652     leitner   107:   add some wide char routines
1.653     leitner   108:   add statvfs, fstatvfs
1.654     leitner   109:   add some amd64 asm string routines
                    110:   add some constants for inotify
1.655     leitner   111:   several fixes from Enrico Scholz (printf, string routines on big endian)
                    112:   add some more syscalls
                    113:   some minor cleanups
                    114:   shrink some string functions (Kris Katterjohn)
1.656     leitner   115:   prepare x86_64 for syscall numbers > 255
1.657     leitner   116:   fix unaligned memcpy if WANT_SMALL_STRING_ROUTINES is not defined
1.658     leitner   117:     (Enrico Scholz)
1.659     leitner   118:   fix utmp, add utmpx support (R.L. Horn)
1.660     sanjiyan  119:   fix the dynamic library for the ARM architecture (Gernot Tenchio)
1.662     leitner   120:   get ARM port to work with EABI (Tristan Newby)
1.661     sanjiyan  121:   fix of scanf with negative floats (Andre Oliveira)
1.663     leitner   122:   use vsyscall to do time(2) on x86-64
1.664     leitner   123:   implement back references in basic regexes
1.665     leitner   124:   make regex faster (coalesce n CHAR matches to one STRING match)
1.666     leitner   125:   stdio speedup
1.667     leitner   126:   use randomness passed in ELF auxvec instead of /dev/urandom in startup
                    127:     (strace looks cleaner now)
                    128:   use ELF auxvec to implement getpagesize
                    129:   support thread local storage (w00t!!!!)
1.668     leitner   130:   don't crash in getaddrinfo if hints is NULL (Gernot Tenchio)
1.669     leitner   131:   add -D_REENTRANT for -pthread in diet
1.670     leitner   132:   don't segfault in setlocale if locale is NULL (Nikola Vladov)
1.671     leitner   133:   implement _SC_PHYS_PAGES in sysconf()
1.672     leitner   134:   add some gcc attributes and restrict keywords to string.h
1.648     leitner   135: 
1.615     leitner   136: 0.31:
1.617     leitner   137:   getopt_long and getopt_long_only now refuse ambiguous abbreviations
1.618     leitner   138:   fix printf %u/%x on 64-bit platforms
1.619     leitner   139:   fix fd leak in if_nameindex (Florian Westphal)
                    140:   fix printf %g (well, get closer)
1.620     leitner   141:   fix sparc64 longjmp (Rene Rebe)
                    142:   add dn_skipname
1.621     leitner   143:   add pthread prototypes that are needed to compile libgcc when
                    144:     compiling a cross compiler gcc
                    145:   fix ftw64
1.622     leitner   146:   fixes for some corner cases from Ilja van Sprundel:
                    147:     - tempnam
                    148:     - strsignal
                    149:     - strftime
                    150:     - sunrpc code
1.623     leitner   151:   faster qsort
1.624     leitner   152:   support %j in printf (Gernot Tenchio)
1.625     leitner   153:   do omit the frame pointer on x86_64
1.626     leitner   154:   fix pthread_cond_timedwait (Gernot Tenchio)
1.627     leitner   155:   fix getcwd, ftw, ftw64, dirname (Ilja van Sprundel)
                    156:     Some fd leaks in error conditions.
1.628     leitner   157:   fix stackguard to be .quad instead of .long (cause subtle memory
                    158:     corruption, which in most cases caused DNS lookups to fail on 64-bit
                    159:     platforms)
1.629     leitner   160:   fix dynamic build
1.630     leitner   161:   do the magic required for -fstack-protector in gcc 4.1.1 to actually
                    162:     work (which includes setting up thread local storage), so far on
                    163:     i386 and amd64
1.631     leitner   164:   add ctime_r (for c-icap, Gernot Tenchio)
1.632     leitner   165:   fix strptime return value (Gernot Tenchio)
                    166:   fix R_386_32, R_ARM_ABS32, R_X86_64_64 in libdl (Gernot Tenchio)
1.633     sanjiyan  167:   Olaf: Added DT_GNU_HASH symbol resolver.
1.634     leitner   168:   fix security bug in librpc.  You know, librpc, that stinking Sun code
                    169:     full of problems?  Just adding that code was a bad mistake, I think.
                    170:     I tried auditing it, but I nearly got a brain tumor when I opened
                    171:     those files.  Thanks to Ilja van Sprundel for finding this bug (with
                    172:     Google codesearch, no less! :-) )
1.636     leitner   173:   accept mDNS packets with set recursion desired bit
                    174:   add const to cfgetispeed and cfgetospeed arguments
                    175:   fix off-by-one in getdelim (reported by Ilja van Sprundel)
1.637     leitner   176:   prevent integer overflows in printf (return -1, like Solaris)
1.638     leitner   177:   fix putenv (Nikola Vladov)
1.639     leitner   178:   use time_t in struct stat for the time values
                    179:   support LLMNR in dnsd (no idea if it works, apparently only Vista
                    180:     supports it)
1.640     leitner   181:   fix ftell (Jens Laas)
1.641     leitner   182:   fix getaddrinfo (return more than just the first IP) (Gernot Tenchio)
1.642     leitner   183:   make sure to declare __dietlibc__ during compilation of the lib
                    184:     itself, so we can have more portable code in the libc code behind
                    185:     #ifndef __dietlibc__ (see ftw64 for an example)
                    186:   fix off-by-one in iconv
                    187:   add missing brackets in dn_skipname
1.643     leitner   188:   strptime also fills in tm_wday and tm_yday (Gernot Tenchio)
                    189:   x86-64 getpriority has bias 20 (Rene Rebe)
                    190:   fix typo in fstatfs64 (Gernot Tenchio)
                    191:   fix infinite loop in getaddrinfo (Nikola Vladov)
                    192:   don't include sys/stat.h in stdio.h and unistd.h (Gernot Tenchio)
1.644     leitner   193:   work around gcc optimizing away our int overflow check in printf
1.645     leitner   194:   some work on printf
1.646     leitner   195:   fix some compiler warnings
                    196:   support long device major and minor
1.647     leitner   197:   add WANT_FREE_OVERWRITE in dietfeatures.h (see comment there)
1.615     leitner   198: 
1.575     leitner   199: 0.30:
1.576     leitner   200:   put exception handling frames in read-only section on AMD64 and S/390
                    201:   make sys/stat.h ILP64 compatible
                    202:     (both Markus Oberhumer)
1.577     leitner   203:   whoops, strptime was completely broken, and noone noticed :-)
                    204:   fix DNS resolver to only use shorter timeout for .local queries
1.578     leitner   205:   remove throw() statements for functions taking function pointer
                    206:     arguments (qsort, besearch, ftw)
1.668     leitner   207:   fix embarassing bug in pclose (Juergen Sawinski, Ren? Rebe)
1.580     leitner   208:   when asking for an IPv6 address and there is an IPv4 address in
                    209:     /etc/hosts but not an IPv6 address, return NO_DATA without
                    210:     querying DNS.  This is how glibc does it, and it means you can use
                    211:     e.g. elinks to browse http://localhost/ without being connected to
                    212:     the internet / a DNS server.
1.581     leitner   213:   make libcrypt/crypt.c to work when compiled with gcc 4
1.582     leitner   214:   provide toascii and ustat (Reynir Stefansson)
1.583     leitner   215:   change size of struct sigaction.sa_flags from long to int on alpha.
1.584     leitner   216:   beginnings of wide char string routines
1.585     leitner   217:   fix regex match bug ("@(a|b)" would also match "x@z")
1.586     leitner   218:   ARM big-endian support (Paul Clifford)
1.587     leitner   219:   support %s in strftime, so date in embutils does :-)
1.588     leitner   220:   fix two strptime bugs (Gernot Tenchio)
1.590     leitner   221:   add strnlen and clearenv (for udev)
1.591     leitner   222:   #define IOV_MAX in limits.h behind _XOPEN_SOURCE (for opennntpd)
1.592     leitner   223:   tzfile fix (Nikola Vladov)
1.593     leitner   224:   lots of fixes from Markus FX Oberhumer:
                    225:     * better signal handling error detection
                    226:     * setjmp.S on i386
                    227:     * getenv on i386
                    228:     * sys/stat.h -malign-double fix
                    229:     * update fcntl.h for MIPS to 2.6.13 version
                    230:     * jmp_buf is 40*8 instead of 58*8 on ppc64.
                    231:     * This patch fixes the section of the TOC entries on ppc64
                    232:     * libstdc++ updates for gcc 4
                    233:     * remove cstddef and cwchar (no longer needed)
                    234:     * int -> ssize_t for read and write
                    235:     * sigjmp.c: __mask_was_saved was not set in all cases!
                    236:     * another round of ILP64 cleanups
1.594     leitner   237:   add ngettext, dngettext (for glib)
1.595     leitner   238:   add strdupa and strndupa (for directfb)
1.596     leitner   239:   add extended attribute, thread, and misc syscalls
1.597     sanjiyan  240:   Olaf: fixed my libdl code to run with gcc-4.0.x
1.668     leitner   241:   support optstring starting with '-' extension in getopt_long (Jens L??s)
1.599     leitner   242:   make sure ftw returns in the directory it was called from
1.600     sanjiyan  243:   Olaf: fixing a bug in timegm (an off by ONE array access)...
1.601     leitner   244:   tzfile fix for recent gcc
1.602     leitner   245:   make resolv.conf more glibcish so openssh 4.3p1 compiles
1.603     leitner   246:   add linux/* glue to make openssh compile with tun/tap support
1.668     leitner   247:   fix putenv (Ren? Rebe, Thomas Ogrisegg)
1.605     leitner   248:   limit search/domain entries in /etc/resolv.conf (Gernot Tenchio)
1.606     leitner   249:   fix unlockpt (Gernot Tenchio)
1.607     sanjiyan  250:   Olaf: fixing putenv for the situation that environ is NULL
                    251:     (situation after a clearenv)
1.616     leitner   252:   HP-PA fixes (Micah Anderson, Herbert Poetzl)
1.609     leitner   253:   syscall() for ppc/64
                    254:   make __kernel_size_t more like the real thing (Rene Rebe)
                    255:   fix __exec_shell (execv and execvp) (Gernot Tenchio)
                    256:   fix mmap and provide mmap64 on S/390 (Bastian Blank)
1.610     leitner   257:   fix telldir, seekdir (Gernot Tenchio)
                    258:   also add -lc after -lgcc for gcc 4.1 on arm (Enrico Scholz)
1.611     leitner   259:   update SSP (ProPolice) support (with help from Eduardo Tongson)
1.612     leitner   260:   fix buffer underflow in strncpy if n==0 and WANT_FULL_POSIX_COMPAT
                    261:     is defined (it's normally not) (Ilja van Sprundel)
1.613     leitner   262:   reading from stdin used to flush stdout.  Now it only does that
                    263:     if stdin is a tty.
1.614     leitner   264:   sparc64 fixes for ioctls, includes and sigaction (Rene Rebe)
1.575     leitner   265: 
                    266: 0.29:
1.548     leitner   267:   oops, fix LD_RUN_PATH unsetting (Enrico Scholz)
1.549     leitner   268:   Markus Oberhumer sent the following diffs:
                    269:     dl_iterate_phdr for libgcc_eh
                    270:     proper endian.h recognition for __s390x__
                    271:     rem and sdiv for sparc
1.550     leitner   272:   fix stupid dns decoding bug (Gernot Tenchio)
1.551     leitner   273:   #ifdef powerpc -> #ifdef __powerpc__ (Enrico Scholz)
1.552     leitner   274:   struct siginfo was wrong for 64-bit platforms
1.553     leitner   275:   Lots of fixes and patches from Markus Oberhumer.
                    276:     libstdc++ compatibility
                    277:     ilp64 compatibility
                    278:     make diet libc compile with -Werror on 13 platforms
1.571     leitner   279:     provide time() using gettimeofday for s390x
                    280:     remove waitpid warnings on ia64, s390/x
                    281:     provide C++ exception handling support
1.553     leitner   282:   ppc64 now compiles again
1.668     leitner   283:   typo in libcompat/syscall.S for WANT_THREAD_SAFE (Bj?rn D?bel)
1.555     leitner   284:   syscall.h update for all architectures
1.556     leitner   285:   remove two ppc64 warnings
                    286:   fix s/390 syscalls > 255
1.557     leitner   287:   add "diet -L gcc" option to print the lib path
1.558     leitner   288:   remove new gcc4 signedness warnings
1.559     leitner   289:   add link.h (probably only useful to compile an ia64 cross-gcc)
1.560     leitner   290:   understand -m32 on x86_64 as meaning i386
1.561     leitner   291:   now that gcc 4 is out, finally switch -malign-functions to
                    292:     -falign-functions in diet
1.562     leitner   293:   MADV_* for hppa and ia64 (Enrico Scholz)
1.563     leitner   294:   add _PATH_TMP to paths.h
1.564     leitner   295:   support syscall on sparc and x86_64 (Herbert Poetzl)
                    296:   change alignment code in gethostbyname_r (Herbert Poetzl)
1.565     leitner   297:   avoid bus errors in DNS code
1.566     leitner   298:   implement gettimeofday vsyscall for x86_64
                    299:   replace unfinished plug&play DNS hack with zeroconf,
                    300:     rename dietfeatures.h option to WANT_PLUGPLAY_DNS.
                    301:     A small dns daemon can be found in contrib/dnsd.c
1.570     leitner   302:     hack ugly non-thread-safe kludge to communicate proper scope_id
                    303:       to getaddrinfo
1.568     leitner   304:   fix bug regarding regular expressions like "(a|)b"
1.569     leitner   305:   work around gcc 4 bug
1.572     leitner   306:   make sure diet always leaves -V in front of the gcc command line
1.573     leitner   307:   sparc64 fixes (Martin)
1.574     leitner   308:   fix warnings in socketcall functions
1.547     leitner   309: 
1.522     leitner   310: 0.28:
1.523     leitner   311:   add tcgetsid (Yuri Kozlov)
1.524     leitner   312:   add _udivdi3, _divdi3, _umoddi3, _moddi3 for MIPS
                    313:     These are in libgcc, but libgcc is compiled PIC and we compile the
                    314:     diet libc non-pic, and that is not compatible on MIPS so ld
                    315:     complains.
1.525     leitner   316:   setlocale now accepts setting the locale to "C".
1.526     leitner   317:   several fixes from Gwenole Beauchesne, AMD64 and otherwise.
1.527     leitner   318:   fix memory leak in regfree (thanks, Valgrind!).
1.528     leitner   319:   add support for gcc ProPolice and stack gap (see README.security).
1.529     leitner   320:   add ftw64 (yuck!)
1.530     leitner   321:   #include <endian.h> in syscalls.s/environ.S to make sure environ is
                    322:     actually large enough (Enrico Scholz)
1.531     leitner   323:   add waitpid wrapper around wait4 for arm-linux (Avinash Bhatia)
1.532     leitner   324:   make res_mkquery reject invalid domains (label>64, name>255) (Nikola Vladov)
1.533     leitner   325:   make res_query return TRY_AGAIN instead of NO_DATA if no answer was
                    326:     received (Nikola Vladov)
1.534     leitner   327:   fix PT_READ_U in sys/trace.h (John K. Hohm)
1.535     sanjiyan  328:   Olaf: added mmap64 wrapper (arm,mips,sparc,...)
1.536     leitner   329:   work around new kernel rt signal semantics (need to set restorer function)
1.537     sanjiyan  330:   Olaf:
                    331:     - libdl + gcc 3.4 resulted in a SIGSEGV because local names were
                    332:       dynamically resolved....
                    333:     - Also fixed a bug in the symbol resolver
1.538     sanjiyan  334:     - fixing the mmap64 stuff & arm/dyn_syscalls had no mmap2 (Gerrit Pape)
1.539     leitner   335:   tzfile parser fix (John K. Hohm)
                    336:   ppc64 fixes (Gwenole Beauchesne)
1.540     leitner   337:   add sigisemptyset, sigandset and sigorset (John K. Hohm)
                    338:   minor additions to make gdb 6.3 happy (John K. Hohm)
                    339:   ld.so support for gdb (John K. Hohm)
                    340:   implement nice(2) via setpriority() if there is no nice syscall
1.541     leitner   341:   support libm.so (John K. Hohm)
                    342:   hack rpc/xdr.h to work with gcc 4 (Andreas Jochens via Gerrit Pape)
1.542     leitner   343:   make dyn didn't work for !WANT_FULL_RESOLV_CONF (Sampo Kellomaki)
1.543     leitner   344:   #undef __i686 in i386/PIC.h (George Sawinski)
1.544     leitner   345:   fix timegm bug (found by Nikola Vladov)
1.545     leitner   346:   add sys/swap.h (George Sawinski)
1.546     sanjiyan  347:   Olaf: dynamic x86_64 support (libdl relocator and dyn_syscalls)
1.522     leitner   348: 
1.507     leitner   349: 0.27:
                    350:   change DNS routines to look for ip6.arpa instead of ip6.int
1.508     leitner   351:   WANT_FREAD_OPTIMIZATION was broken on sockets (Johannes Stezenbach)
1.509     sanjiyan  352:   Olaf:
                    353:     - added fix for getgrouplist (Nikola Vladov)
                    354:     - fix the fd leak on error path (Denis Vlasenko)
1.510     sanjiyan  355:     - the regparm attribute in typedefinition generats error with gcc-2.95
                    356:       on non-x86 arch... (reported: Johannes Stezenbach)
1.511     leitner   357:   PowerPC build fix (Gerrit Pape)
1.512     sanjiyan  358:   Olaf: added missing settimeofday
1.513     leitner   359:   add netinet/ether.h and netinet/if_ether.h
1.514     leitner   360:   add linux/fd.h
1.516     leitner   361:   add pivot_root, delete_module and init_module prototypes to unistd.h
1.517     leitner   362:     (protected by _LINUX_SOURCE)
1.518     leitner   363:   add some BSD legacy declarations to dirent.h (Bryan Henderson)
1.519     leitner   364:   add strtoull and strtoll as aliases to strtoull and strtoll
1.520     leitner   365:   use _FILE_OFFSET_BITS consistently (Indan Zupancic)
1.521     leitner   366:   add support for $DIETHOME in diet, to override the compiled-in path (George)
1.507     leitner   367: 
1.490     leitner   368: 0.26:
1.491     sanjiyan  369:   iconv UTF-8 fix (Kuba Winnicki)
1.492     sanjiyan  370:   Olaf:
1.495     leitner   371:     - add 'getgrouplist'
                    372:     - fix type of 'unsetenv'
                    373:     - add missing realtime syscalls 'clock_*' 'timer_*' and types
1.493     leitner   374:   ARGH!  gcc 3.4 breaks regparm attributes on i386!
1.494     leitner   375:   grep portability fixes (Gunnar Ritter)
                    376:   add empty libcrypt.a to help compile code from others (Gunnar Ritter)
                    377:   add make uninstall
1.502     leitner   378:   fix pread64, pwrite64
1.498     sanjiyan  379:   Olaf: MIPS has a special case for the pread/pwrite syscall ...
1.501     leitner   380:   Use -isystem instead of -I for our system includes (Paul Jarc)
1.503     leitner   381:   Add MNT_DETACH to sys/mount.h
1.504     leitner   382:   add pselect
1.505     sanjiyan  383:   fix for tzfile (Felix J. Ogris)
1.506     leitner   384:   add res_close to close the DNS UDP sockets
                    385:   remove ia64/waitpid.S; it was broken and there is a working C version
                    386:     (Gerrit Pape)
1.490     leitner   387: 
1.462     leitner   388: 0.25:
1.464     leitner   389:   fix sprintf
                    390:   head -1  ->  head -n 1
1.668     leitner   391:   handle negative precision and -0 (Jens L??s)
1.466     leitner   392:   susv3 renamed IFNAMSIZ to IF_NAMESIZE
1.467     leitner   393:   make diet accept "gcc-3.3.2" and "diet -v -Os gcc" (Yuri Kozlov)
1.468     leitner   394:   make libcompat syscall position independent (Peter S. Mazinger)
                    395:   fix missing pthread stdio external (Gernot Tenchio)
1.469     leitner   396:   Port parts of glibc test suite (Florian Westphal)
                    397:     Now we need more manpower to fix the bugs it uncovers ;-)
1.470     leitner   398:   add linux/if_ether.h and net/ethernet.h for sniffers
1.471     leitner   399:   faster string routines and a small fix for alloc (Thomas Ogrisegg)
1.472     leitner   400:   remove C++ comments from header files
1.473     leitner   401:   add ftrylockfile
1.474     leitner   402:   C99 fixes and a new printf test from Enrico Scholz
1.475     leitner   403:   epoll_event needs to be packed on x86_64 (pointed out by Indan Zupancic)
1.476     leitner   404:   work around make dependency problem breaking mipsel by creating kludge
                    405:     mipsel/syscalls.h (Samium Gromoff)
1.477     leitner   406:   Fix i386 unified syscall -EMEDIUMTYPE handling (Juergen Sawinski via
                    407:     Clifford Wolf)
1.478     leitner   408:   vsnprintf: fix output when output does not fit (Enrico Scholz)
1.480     leitner   409:   new dirname with test suite entry (Yuri Kozlov)
1.481     leitner   410:   fnmatch: add [:charclass:], fix negation (Michael J. Pomraning)
1.482     leitner   411:   make calloc a weak symbol (Martin Pohlack)
1.483     leitner   412:   make NULL C++ friendly (Martin Pohlack)
1.484     leitner   413:   new realpath (Thomas Ogrisegg)
1.485     leitner   414:   fix stupid glibcism in sys/epoll.h
1.486     leitner   415:   add pause for Alpha (Kurt Garloff)
1.487     leitner   416:   ptrace fix (Dallachiesa Michele)
                    417:   ptread.h cleanups (Martin Pohlack)
1.668     leitner   418:   fix execvp and execlp (Youn?s)
1.489     leitner   419:   fix time() for sparc64
1.462     leitner   420: 
1.439     leitner   421: 0.24:
1.440     leitner   422:   work around incompatible Linux select() modifying the timeout in
                    423:     librpc (Patch was sent from Mike Waychison from Sun)
1.441     leitner   424:   the overflow checking in strtou?ll? was broken in some cases.
                    425:     Unfortunately, correct overflow checking enlarged the routine by 20%.
                    426:     (reported by Manuel Novoa III)
                    427:   two stdio bug fixes (also reported by Manuel Novoa III)
1.442     leitner   428:   remove several warnings (Johannes Stezenbach)
1.443     sanjiyan  429:   Olaf: fixing tmpfile (missing parameter) and __dtostr (gcc 2.95)
1.444     sanjiyan  430:   Olaf: add the pthread-semaphore support.
1.445     leitner   431:   implemented experimental plug-and-play IPv6 DNS
                    432:     (see dietfeatures.h, see http://www.fefe.de/ipv6pnpdns.html)
1.446     leitner   433:   typo in parisc setjmp.S (Michael Mueller)
1.447     sanjiyan  434:   Olaf: fixing the pthread_join function
1.448     leitner   435:   add IPv6 link-local%eth0 support to getaddrinfo
1.449     sanjiyan  436:   Olaf: added missing syscalls (cap{g,s}et) and addmntent
1.450     leitner   437:   Add s390x and ppc64 support (Marian Jancar, SuSE)
                    438:   Marian also contributed %m support to printf, and fixes for many bugs
1.451     sanjiyan  439:   Olaf:
                    440:    - fixing strtok_r (rewrite)
                    441:    - making the %m support NON DEFAULT as it is NOT SUSv3 or SUSv2
1.452     sanjiyan  442:    - make the HUGE_VAL/HUGE_VALF macros arch (endian) independend
                    443:    - changeing __dtostr so that it returns "inf" for an inf-value not "nan"
                    444:    - fixing the strrchr bug (reported by Gernot Tenchio)
                    445:    - fixing the strtoul/strtoull bug (reported by Gernot Tenchio)
                    446:    - adding the patch to printf (Gernot Tenchio)
1.453     sanjiyan  447:    - fixing snprintf (Gernot Tenchio)
1.454     sanjiyan  448:    - fixing memccpy,memcmp,strncmp (reported by Gernot Tenchio)
                    449:    - fixing strtoXXX (Gernot Tenchio, patch modified)
                    450:    - fixing the *scanf return behavior (reported by Enrico Scholz)
1.455     leitner   451:   add printf test
1.456     leitner   452:   change sys_siglist to char** (removes linker warning)
1.457     leitner   453:   fix getnameinfo (Arnaldo Carvalho de Melo)
1.458     leitner   454:   add ar.h (for GNU make)
                    455:   replace qsort with new quicksort with three-way partitioning
1.459     leitner   456:   parisc start.S fix (Gerrit Pape)
1.460     leitner   457:   check fflush return code (Manuel Novoa III)
1.461     leitner   458:   add el-cheapo strptime and more BSD legacy crap to get more of
                    459:     e2fsutils, dump and util-linux compiled
1.439     leitner   460: 
1.381     fefe      461: 0.23:
                    462:   update sys/soundcard.h
                    463:   various x86_64 fixes (Gwenole Beauchesne)
1.382     fefe      464:   fix assert for 64-bit platforms (Gwenole Beauchesne)
1.383     fefe      465:   remove many warning from test suite (Gwenole Beauchesne)
1.384     fefe      466:   hopefully fix resolver (again, Gwenole)
1.385     fefe      467:   fix floorl typo (Norbert Wolff)
1.386     fefe      468:   add more BSD brokenness to time.h
                    469:   forward poll.h to sys/poll.h
1.387     fefe      470:   make DNS socket close-on-exec (Felix J. Ogris)
1.388     fefe      471:   add cuserid to libcompat (Andreas Krennmair)
1.389     fefe      472:   add ctermid and ftok to libcompat (those are _really_ ugly)
1.390     fefe      473:   copy some RPC bugfix cruft from glibc
                    474:     warning: I don't use rpc or xdr, I don't actually understand or have
                    475:     a way to test this.  Maybe I should remove this cruft from the
                    476:     diet libc...?
1.391     leitner   477:   make declaration of writev and readv match susv3
1.392     leitner   478:   add finite (Andreas Krennmair)
1.393     leitner   479:   move flock+constants to unistd.h (the Linux man page is wrong on this)
1.394     leitner   480:   fix assert (Andreas Krennmair)
1.395     leitner   481:   add modf, libm fixes (Andreas Krennmair)
1.396     leitner   482:   rename __pure__ to __pure (Laurent Bercot)
1.397     leitner   483:   utmp x86_64 biarch support (Gwenole Beauchesne)
1.398     leitner   484:   add fgetpwent (Alvaro Gomes Sobral Barcellos)
1.399     leitner   485:   add vsyscall support for linux 2.5 on recent CPUs
1.400     leitner   486:   add a few new 2.5 syscalls, adapt to renamed epoll syscalls
1.401     sanjiyan  487:   Olaf: fixing the vsyscall support so that the binaries still work on 2.4
1.402     leitner   488:   remove getline macro, caused problems with GNU sed
1.403     leitner   489:   make assert equal (void)0 under -DNDEBUG (Enrico Scholz)
1.404     leitner   490:   make __attribute_malloc__ #define safe (Matthias Andree)
1.405     leitner   491:   add BSD utimes to libcompat (Andreas Krennmair)
1.406     leitner   492:   remove gcc 3 #ifdef kludgery from include/string.h; it works with gcc
                    493:     3.2.2+, don't know if it's gcc or us (Gerrit Pape)
1.407     leitner   494:   remove _null_auth declaration in librpc/rpc_prot.c (Thayne Harbaugh)
                    495:   fix regex bug with ^$ not matching "" (Anthony de Boer)
1.408     sanjiyan  496:   Olaf: removing "<arch>/mmap.*" where no arch-specific impementation is
                    497:       needed. (added "syscalls.s/mmap.S")
                    498:     - fixing the vsyscall in the dynamic library... (self made problem)
                    499:     - removing warning in "res_query.c"
                    500:     - changing type of stream-mutex to recursive
                    501:     - sparc/sparc64: shrink of the unified syscall and the special syscalls
                    502:       (fork/pipe) to use the "unified_syscall_error_handler"
1.409     leitner   503:   add sendfile64 backwards compatibility glue
1.410     leitner   504:   add __attribute_dontuse__ to declare a few functions as deprecated
                    505:   use above to flag a few BSDisms ;-)
1.411     leitner   506:   include <sys/cdefs.h> in errno.h, fixes __attribute_dontuse__ breakage
1.412     leitner   507:   endmntent now returns 1 (Florian Westphal)
1.413     leitner   508:   strtoul return value fixes (Jan Bobrowski)
1.414     sanjiyan  509:   Olaf: fixing the diet wrapper for sparc and changing the options for mips
1.418     leitner   510:   a few i386/*.S fixes (Hynek Schlawack)
1.417     leitner   511:   remove =0 for static variables (Thomas Ogrisegg)
1.419     leitner   512:   fix strtoul (broke getaddrinfo and ssh)
                    513:   fix segfault in parser
1.420     sanjiyan  514:   Olaf: checkin of the new libpthread implementation & added confstr
1.421     leitner   515:   Make gethostbyname2 case insensitive (Thomas Ogrisegg)
                    516:   RPC 64-bit cleanliness fixes (Gwenole Beauchesne)
1.422     leitner   517:   sysctl fix (Thomas Ogrisegg)
1.423     leitner   518:   make header files C++ compliant (__BEGIN_DECLS and __END_DECLS)
1.424     leitner   519:   remove more warnings (Yuri Kozlov)
                    520:   use expect() in a few strategic places
1.425     leitner   521:   try to add sigcontext and ucontext for x86_64
1.426     leitner   522:   add ffs, ffsl, ffsll
1.431     leitner   523:   Olaf: fixing the error string list and sparc bug (Gerrit Pape)
1.429     leitner   524:   first throw, then attributes (Andreas Jabs)
1.430     leitner   525:   unbuffered fputc was broken on big endian (big oops, thanks Gerrit Pape)
1.431     leitner   526:   fix parisc struct stat (Gerrit Pape)
1.432     leitner   527:   add vasprintf (for elinks)
1.433     leitner   528:   fnmatch used [^e] instead of [!e] for negation (Heiko Berges)
1.434     leitner   529:   add sparc and parisc assembly routines (Thomas Ogrisegg)
1.435     leitner   530:   add swab (Johannes Stezenbach)
1.436     leitner   531:   make a{4} match exactly and not at least 4 times a (Ingo Oeser)
1.437     sanjiyan  532:   Olaf: fixed a libdl ref-counter bug (Thomas Walpuski)
1.438     leitner   533:   All hail to the busybox chiefs!  Instead of reporting bugs they find,
                    534:     they put a #error in their source code.  Is Erik seeing the diet
                    535:     libc as uClibc competition that needs to be squashed even with
                    536:     unfair methods?  People, if you find bugs, tell us!
                    537:   Fixed fputc and freopen (found in busybox comments)
1.381     fefe      538: 
1.341     fefe      539: 0.22:
1.342     fefe      540:   fix i386 libm
1.343     fefe      541:   fix netinet/ip_icmp.h (Rui Prior)
1.344     fefe      542:   make strings.h susv3 compliant (Gunnar Ritter)
1.345     fefe      543:   remove stdio dependence in abort
1.346     fefe      544:   fix truncate64, ftruncate64 (Luc Van Oostenryck and Yuri Kozlov)
1.347     fefe      545:   fix and improve erand48() (Luc Van Oostenryck)
1.348     fefe      546:   fix realpath for non-existant directories (Gergely Nagy and Gerrit Pape)
1.349     fefe      547:   fix DNS timeout and IPv6 socket reuse
1.350     fefe      548:   strtoul now accepts "-1" as well (Thomas Ogrisegg)
                    549:   add i386 strcasecmp and __ltostr (Thomas Ogrisegg)
1.351     fefe      550:   add killpg prototype (Luc Van Oostenryck)
                    551:   remove some compiler warnings (Luc Van Oostenryck)
                    552:   better rand() from Knuth's TAOCP (Luc Van Oostenryck)
1.352     fefe      553:   fix unified x86_64 unified syscall 64-bit return value issue (Gwenole)
1.353     fefe      554:   the getdents64 emulation was broken and repairing it opened a can of
                    555:     worms.  So I ripped it out.  I also changed the readdir64 emulation
                    556:     to work if there is no getdents64.
1.354     fefe      557:   fix ia64 start.S (Thanks to Volker Birk for an account on his ia64 box)
1.355     fefe      558:   many ia64 fixes (waitpid, nice, fork, vfork, time, utime ...)
1.356     fefe      559:   More fixes from Gwenole (printf %p only printed the last 32 bits, I
                    560:     botched the getdents64 #ifdefs, we violated the x86_64 ABI)
1.357     fefe      561:   change signal() to do as glibc does
1.358     fefe      562:   remove a few more warnings
1.359     fefe      563:   add new 2.5 syscall #defines
                    564:   add epoll_create, epoll_ctl and epoll_wait
1.360     fefe      565:   the new x86 syscall numbers exceed 255, breaking our %al optimization
                    566:     I worked around it with conditional assembly in cpp macros.  Ugh.
1.361     fefe      567:   more MIPS fixes (the stoned MIPS ABI for restartable syscalls expects
                    568:     the instruction before the syscall to be a load immediate)
                    569:   fix fread() from a pipe (oops, tried to lseek)
1.362     fefe      570:   #define _POSIX_VDISABLE in termios.h (Laurent Bercot)
1.363     fefe      571:   two *printf fixes (Gernot Tenchio)
1.364     fefe      572:   add nan and +-inf handling in __dtostr
1.365     fefe      573:   add _SC_NGROUPS_MAX support to sysconf (Felix J. Ogris)
1.366     fefe      574:   make assert() use expect(), slight optimization
1.367     fefe      575:   add i386 vfork (Thomas Ogrisegg)
1.368     fefe      576:   fix SA_NODEFER on sparc (Gerrit Pape, Thomas Bader)
1.369     fefe      577:   fix sin, cos and __dtostr (Gernot Tenchio)
1.370     fefe      578:   add /dev/epoll ioctl constants to sys/ioctl.h
1.371     fefe      579:   add linux/eventpoll.h for /dev/epoll
1.372     fefe      580:   fix lseek64 on 64-bit architectures
1.373     olaf      581:   Olaf: fix x86_64 start-code (we have reg-args)
                    582:     fixing some broken macros in sparc32-code (.udiv,.urem)
                    583:     adding strndup (GNU Extension)
1.374     fefe      584:   fix glob strncpy (R.L. Horn)
1.375     fefe      585:   fix regfree (Uwe Ohse)
1.376     fefe      586:   fix puts in full stdio mode (would omit \n)
1.377     fefe      587:   fix wrong types on powerpc, broke *stat (Gerrit Pape)
1.378     fefe      588:   allow more than 64k in i386 memchr (Karsten Scheibler)
1.379     fefe      589:   make strftime work it WANT_TZFILE_PARSER is not set (Gwenole Beauchesne)
1.380     fefe      590:   build parisc on parisc64, change libgcc link order on sparc (Gerrit Pape)
1.341     fefe      591: 
1.326     fefe      592: 0.21:
1.327     fefe      593:   use gcc's size_t, ptrdiff_t and wchar_t types (Olaf)
                    594:   use -G 8 on MIPS to reduce code size (Johannes Stezenbach)
1.668     leitner   595:   add munlock (Jens L??s)
1.330     fefe      596:   argh, atexit fell victim to bit rot (or maybe Olaf)
1.331     fefe      597:   add WANT_INET_ADDR_DNS to make gethostbyname not look up IP numbers
                    598:     but use them to fill in the struct hostent directly.
1.332     olaf      599:   signal is now a correct signal (Olaf)
1.333     fefe      600:   read optimizer cflags for diet -Os gcc from ~/.diet/gcc, overriding
                    601:     the built-in defaults.
1.334     fefe      602:   add file "SECURITY".  I will document design tradeoffs that have
                    603:     security implications there.
1.335     fefe      604:   fixed regex LINEEND condition
1.336     fefe      605:   add .size directive to i386 syscalls
1.337     fefe      606:   shove a few more bytes off the i386 socket calls
1.339     fefe      607:   setjmp, longjmp and clone for x86_64 are now implemented but not tested (Olaf)
1.340     fefe      608:   fix sparc signals
1.326     fefe      609: 
1.319     fefe      610: 0.20:
1.325     fefe      611:   calloc was botched
1.320     fefe      612:   umount and stime for x86_64 (Gwenole Beauchesne)
1.321     fefe      613:   some malloc fixes for very big numbers (Enrico Scholz, me)
1.322     fefe      614:   x86_64 unified syscall did not preserve rbx violating ABI (Gwenole)
1.323     fefe      615:   realpath fix if path did not contain a slash (Gwenole)
1.324     fefe      616:   add ucontext
1.329     fefe      617:   add asm/statfs.h to work around people using <linux/fs.h>
1.319     fefe      618: 
1.308     fefe      619: 0.19:
                    620:   current gcc cvs makes __thread a keyword (Eric Troan)
1.316     fefe      621:   be more strict regarding hostile DNS packets (me)
1.312     fefe      622:   fix ia64 compile problems (Gerrit Pape)
1.311     fefe      623:   make killpg a function and not a macro (broke bash 2.05b)
1.313     fefe      624:   fix ia64 start code and unified syscall (me)
1.314     fefe      625:   add sparc/strlen.S from Thomas Ogrisegg
                    626:   add more space to ARM __jmp_buf in setjmp.h (Andre)
1.315     fefe      627:   fix libcompat/syscall.S (did't compile on arm)
1.316     fefe      628:   add integer overflow fix in xdr_array after bugtraq advisory (me)
1.317     fefe      629:   fix x86_64 socket calls and mmap (and some more) (Gwenole Beauchesne)
                    630:   add calloc integer overflow fix after RUS-CERT advisory (me)
1.318     fefe      631:   add fread and fwrite integer overflow fix (me)
1.308     fefe      632: 
1.281     fefe      633: 0.18:
1.282     fefe      634:   add stpcpy (from Thomas Ogrisegg)
                    635:   check in mktime fix (from Luc Van Oostenryck)
1.283     fefe      636:   add libm2.s from contrib to i386 (oops, how long has it been sitting
                    637:     there?)
1.284     fefe      638:   add truncate64 and ftruncate64 and prototype for truncate (only had ftruncate)
1.450     leitner   639:   Michal Ludvig (SuSE) ported the diet libc to the x86_64 architecture (the
1.285     fefe      640:     upcoming AMD Hammer chips!).  You can't even buy the chips yet and
                    641:     the diet libc already supports it!  Amazing ;-)
                    642:   Michal's patch also fixed several of the outstanding warnings.  Thanks!
1.286     fefe      643:   Andre sent a patch to add ARM profiling.  He says it does not work
                    644:     yet, but it's a start.
1.287     fefe      645:   added getdents64 backwards compatibility and include it in large file
                    646:     support #defines
1.288     fefe      647:   perror now checks if the message is NULL like glibc (Thomas Ogrisegg)
1.289     fefe      648:   ftell did not take ungetc into account (Kevin Ryde through Debian).
1.290     fefe      649:   Thomas Ogrisegg sent a port to IA64!
1.291     fefe      650:   sigaddset, sigdelset and setismember segfaulted for signal 0 (Gunnar Ritter)
1.292     fefe      651:   Enrico Scholz reported several bugs in the header files.
                    652:   change __malloc__ to __attribute_malloc__
1.293     fefe      653:   add pa-risc socketcall (but see TODO) (Felix J. Ogris)
1.294     fefe      654:   fix *rand48 initialization (Kevin Ryde)
                    655:   fnmatch infinite loop fix (Piotr Esden-Tempski)
1.295     fefe      656:   make signal() into a sigaction wrapper function
1.296     fefe      657:   add memrchr (Emil)
1.297     fefe      658:   remove __attribute__((const)) from getpid() (Yuri Kozlov)
1.668     leitner   659:   make getserv* also work if proto is NULL (Jens L??s)
1.299     olaf      660:   now clone on parisc works (Thomas Ogrisegg)
1.300     fefe      661:   getopt* fix from Thomas Walpuski
1.301     fefe      662:   add syscall() to libcompat (Thomas Ogrisegg)
1.302     fefe      663:   fix strncpy and strrchr i386 assembly versions for dynamic linking
1.310     fefe      664:     (John K. Hohm)
1.302     fefe      665:   allow short option grouping in getopt* (Ralf Wildenhues)
1.303     fefe      666:   make the DNS resolver IPv6 transport capable (WANT_IPV6_DNS)
1.304     fefe      667:   mention -v in diet.1 (Bryan Henderson)
1.305     fefe      668:   auto-detect gcc 3 on i386 and remove compiler option warnings
1.306     fefe      669:   putenv tweak (Thomas Ogrisegg)
                    670:   add missing socket syscalls for PA-RISC and IA64 (Thomas Ogrisegg)
                    671:   add cpio.h and tar.h (Thomas Ogrisegg)
                    672:   change opendir/readdir/closedir from malloc to mmap (Thomas Ogrisegg)
1.307     fefe      673:   cleanups from Florian LaRoche
1.281     fefe      674: 
1.264     fefe      675: 0.17:
1.265     fefe      676:   fix several bugs in getservent_r
1.266     fefe      677:   Gunnar Ritter reported the following:
                    678:     moved tcgetpgrp and tcsetpgrp to unistd.h
                    679:     adjusted lstat->lstat64 #define to make it work with function pointers
                    680:     move __dietlibc__ #define from features.h to diet
1.267     fefe      681:   Thomas Ogrisegg sent x86 memccpy and strncpy routines and introduced
                    682:     an dietfeatures.h #define WANT_FULL_POSIX_COMPAT
1.268     fefe      683:   Thomas also sent me profiling support (so far only on x86, but
                    684:     profiling/PORTING describes what needs to be done for other
                    685:     architectures)!
1.272     fefe      686:   add contrib/dprof.c, also from Thomas.
1.269     fefe      687:   Andreas Krennmair sent a patch to add the BSD regex interface to
                    688:     libcompat
1.271     fefe      689:   Andre noticed that __dtostr never sets first to false.  Oops!
1.274     fefe      690:   Andre has provided a largely untested patch that seems to fix the problem.
1.275     fefe      691:   Igor Gilitschenski sent a patch for the "%8.7lx" issue.
1.276     fefe      692:   abort did not flush all stdio streams
1.277     fefe      693:   fix some nasty regular expression bugs
                    694:   write a stupid malloc checker (contrib/debug-realloc.c) to help me
                    695:     debug my regular expressions.  Please read contrib/debug-realloc.txt
1.278     fefe      696:   our i386 memchr,memcmp were broken for the count=0 case
1.279     fefe      697:   fix DNS domain search
1.280     fefe      698:   i386 memccpy exchanged esi and edi :-(  I should do more checks before
                    699:     accepting external code...
1.264     fefe      700: 
1.244     fefe      701: 0.16:
                    702:   "diet -v" or "diet -Os" segfaulted without further arguments.
1.246     fefe      703:   Andre found two very embarassing bugs in my four lines of md5 glue.
                    704:     I need to get more sleep.
1.247     fefe      705:   Thanks Ogrisegg found that ptrace does not work as documented and
                    706:     provided a wrapper that emulates the glibc behaviour.
1.248     fefe      707:   Dirk Engling saved 8 bytes and 4 cycles in the ARM clone()
                    708:   fix ptrace.h for S/390 and ARM
                    709:   provide a PORTING document so we don't lose track of which file need
                    710:     to be touched to port the diet libc to a new platform.
1.249     fefe      711:   remove a few warnings
                    712:   provide a prototype for usleep.
1.250     fefe      713:   make __dtostr work on ARM by using long instead of long long.
                    714:     Idea by Dirk Engling.
1.251     fefe      715:   fix an argument counting bug in *scanf (Thomas Ogrisegg)
1.252     fefe      716:   Forgot an #endif in asm/sigcontext.h (Mike Castle)
1.253     fefe      717:   Kurt Garloff sent in patches to
                    718:     fix struct termios on non-x86 architectures
1.254     fefe      719:   printf("%+05d\n",500) was broken (Raimar Falke told me, Olaf fixed it)
                    720:   create libcompat.a (and move daemon to it)
1.255     fefe      721:   add getdelim and getline
                    722:   *printf now recognize 'z' integer flag (and ignore it)
1.256     olaf      723:   Dirk Engling provided a strcpy.S for ARM.
1.257     olaf      724:   Olaf: fixed *scanf familie. It hadn't wored with "long long".
1.258     fefe      725:   Hans Lermen fixed i386/getenv.S
1.259     fefe      726:   diet -Os no longer discards -fpic and -fno-pic
1.260     fefe      727:   fix i386 rand/random to use correct RAND_MAX (thanks, Jaroslav
                    728:     Macodiseas)
1.261     fefe      729:   sys/ipc.h now includes sys/types.h
1.262     olaf      730:   Olaf: started to make the sparc64 port
1.263     fefe      731:   scandir should not sort if compar() is NULL (reported by Andrea Marrosu)
1.244     fefe      732: 
1.224     fefe      733: 0.15:
1.225     fefe      734:   vfork sucks.  I reverted to the old behavior where vfork==fork.
1.226     fefe      735:   fix bsearch (and remove i386 assembly bsearch, needs to be redone).
1.227     fefe      736:   Thanks Ogrisegg sent a patch to make the PA-RISC unified syscall
                    737:     thread-safe!
1.228     fefe      738:   remove vfork and add alarm to dynamic syscalls.
                    739:   fix diet-dyn to link in dyn_dstop.o and not dyn_stop.o.
1.229     fefe      740:   The MD5 code generated unaligned accesses when passed an unaligned
                    741:     pointer on little endian ARM and MIPS.
                    742:   MIPS unified syscall didn't compile anymore.
                    743:   Put up new mipsel target to cross compile for little endian mips.
                    744:   The mips target will again explicitly set endianness to big endian.
                    745:   Compiling natively on a MIPS box should not touch the endianness.
1.230     fefe      746:   Duh, when we removed return0, we broke tzset when the time zone parser
                    747:     was disabled.  Uwe Ohse noticed this.  Thanks!
                    748:   Fix gethostbyname to match host names case insensitively in /etc/hosts.
                    749:     Oops, this was reported 6 weeks ago but I overlooked the email.
                    750:     Thanks, Denis Rachal!
1.231     fefe      751:   vsnprintf's zero termination was broken.
1.233     fefe      752:   Uwe Ohse found a few more bugs:
                    753:     Remove WANT_BUGGY_GLIBC_STRSEP.  The Linux man page is broken, glibc
                    754:       does it correctly.
                    755:     Make inet_aton use strtoul instead of strtol
                    756:     fdopen would close the file descriptor if it could not malloc the
                    757:       buffer.
                    758:     strftime updates.
                    759:     Make _FILE_OFFSET_BITS includes -Wundef clean
                    760:   Andre found a typo in endian.h for big endian mips
1.234     fefe      761:   Ryan told me that fmod was not included in libm.  Oops.
1.235     fefe      762:   strstr(whatever,"") returned NULL, not whatever.  Found by a new test
                    763:     suite entry for strstr that I wrote.
1.245     fefe      764:   Thomas Ogrisegg suggested or sent patches for the following:
1.236     fefe      765:     add <asm/sigcontext.h> for profiling support.
                    766:     make strncpy a #define in string.h to save a few bytes.
1.241     fefe      767:     an i386 assembler getenv implementation (roughly half the size)
                    768:     add grantpt, ptsname, unlockpt
1.236     fefe      769:   add a getenv test suite entry.
1.238     fefe      770:   Andre contributed an ARM assembler md5 implementation and he fixed mmap
                    771:     on ARM.
                    772:   add glibc macro names in sys/reboot.h.  Mentioned by Laurent G. Bercot
1.239     fefe      773:   getservent_r did not parse lines without aliases.  Thanks, Jaroslav
                    774:     Macodiseas!
1.240     fefe      775:   fix MIPS start code (argv[0] was always corrupt)
1.241     fefe      776:   removed annoying -Wconversion gcc switch
1.242     fefe      777:   add -v to diet.c and fix MIPS CFLAGS in diet.  Thanks, Johannes Stezenbach
1.243     fefe      778:   Kurt Garloff sent these diffs:
                    779:     add fdatasync (and make it a pthread cancellation point)
                    780:     numerous alpha issues, like using .quad instead of .long for
                    781:     offsets, change strip to -strip in Makefile (so a failing strip does
                    782:     not abort the make), try to be more friendly to the gcc 2.96 that
                    783:     SuSE 7.1 AXP ships with.
1.224     fefe      784: 
1.209     fefe      785: 0.14:
1.224     fefe      786:   fix brk again (missing __brk, trivial oversight)
1.210     fefe      787:   a new i386/atol.S that is 4 bytes smaller (and faster, too!).  Thanks,
                    788:     Thomas Ogrisegg!
1.211     fefe      789:   Thomas also contributed a PA-RISC port including testandset, so
                    790:     libpthread will work once we implement clone!  Great work, Thomas.
1.212     fefe      791:   made the fake locale more believable.
                    792:   If you need gettext, use http://www.ca.postgresql.org/~petere/gettext.html
1.213     fefe      793:   moved _exit into the unified syscall on x86.
1.214     fefe      794:   Uwe Ohse found many more bugs:
                    795:     getpass EINTR handling, ttyname, sysconf_cpus with SLASH_PROC_OK,
                    796:     liblatin1 was more or less completely broken if you gave it chars as
                    797:     arguments, not ints (signedness).  execvp had a buffer overflow in
                    798:     case a PATH element exceeded PATH_MAX, but it's not a security
                    799:     problem since setuid programs need to set their path to some known
                    800:     value anyway.
1.219     fefe      801:     hasmntopt did not work with foo=bar style options
1.217     fefe      802:   Uwe also improved ftw's stack usage.
1.214     fefe      803:   Put movl instead of popl rationale in comment in i386/unified.S since
                    804:     three people have suggested saving a few bytes with popl now ;)
1.215     fefe      805:   I discovered __attribute__((malloc)) and started using it.  For gcc 3,
                    806:     it improves the optimizer when functions return malloced pointers.
1.216     fefe      807:   Steven Rostedt pointed out that my setvbuf was broken with regard to
                    808:     size==0 and sent a patch to fix it.
1.218     fefe      809:   Thomas Ogrisegg made setenv smaller.
1.220     olaf      810:   Olaf: implemented the parisc clone and an atomic testandset, modified the
                    811:     libpthread to respect the parisc UPgrowing stack. still non functional,
                    812:     because the unified syscall uses errno :(
1.221     fefe      813:   tcgetospeed read from the wrong termios field.  Thanks, Gunnar Ritter!
1.222     fefe      814:   Fixed asprintf (relied on vsnprintf(NULL,...) to return length but
                    815:     don't write anything which was no longer the case.  It also
                    816:     allocated one byte unnecessarily, which Uwe Ohse found.
1.223     fefe      817:   Fix ttyname (readlink does not \0-terminate, forgot to do that).
1.209     fefe      818: 
1.193     fefe      819: 0.13:
1.194     fefe      820:   add readdir64 and automatic mapping if _FILE_OFFSET_BITS == 64
1.199     fefe      821:   make diet not include the linker safeguard stuff when preprocessing
1.207     fefe      822:   Olaf: port to S/390!
1.463     leitner   823:   fix vfork (it was put into dietlibc.a twice)
1.197     leitner   824:   res_query did not initialize last
1.199     fefe      825:   diet (not diet-dyn, of course) now adds -static to the gcc command line
1.198     leitner   826:   fixed fflush on input streams (tic from ncurses exposed this)
1.199     fefe      827:   duh, there is an alarm system call, too, so we use it and not setitimer
1.200     fefe      828:   fix comparison in gmtime_r that caused Jan 1 to be converted to Dec 32.
1.201     fefe      829:   rewrote __dtostr (it also has one more argument now)
1.205     fefe      830:   Thanks to Erik Troan for bringing these to my attention:
1.204     fefe      831:     make putenv behave like glibc (putenv("HOME") == unsetenv("HOME"))
                    832:     fix strncat for the case where n == 0 (security implications?)
                    833:     fix bsearch (it didn't find the very last element in the array, same
                    834:       bug in both the C and the i386 assembly version).
1.205     fefe      835:     fixed FNM_PATHNAME in fnmatch
1.204     fefe      836:   fix brk (the syscall was documented incorrectly in the Linux man page)
                    837:     Thanks, Thomas Ogrisegg!
1.205     fefe      838:   added negated character classes to fnmatch (not required by POSIX)
1.206     fefe      839:   make the utmp routines open utmp read-only if read-write doesn't work.
1.208     fefe      840:   remove syscalls.c directory, it is obsolete now with unified syscalls
1.193     fefe      841: 
1.164     fefe      842: 0.12:
                    843:   more contributions from Frank Klemm.
1.165     fefe      844:   iconv can now do UCS-2, too.
1.167     fefe      845:   Imported several x86 assembly routines from Wouter van Kleunen.
1.166     fefe      846:   Lots of bug fixes, and several more i386 specific versions of common
                    847:     routines to make them smaller.
1.168     fefe      848:   add memmem (a GNU extension that looks useful)
1.170     fefe      849:   several changes from Michal Ludvig: inttypes.h gets C99 macros,
1.168     fefe      850:     add pivot_root syscall, %n for *scanf.
1.169     fefe      851:   add adjtimex (thanks, Laurent BERCOT)
1.171     fefe      852:   add Frank Klemm's optimized md5
1.172     fefe      853:   add -Os option to diet (see diet.1).
1.173     fefe      854:   several IPv6 constants and HZ were missing, thanks Johannes Kloos.
1.174     fefe      855:   add 32-bit uid/gid syscalls.
1.175     fefe      856:   add rand48 (thanks, Johannes Kloos)
1.176     fefe      857:   fixed a lot of bugs in getopt* (thanks, Johannes)
1.177     fefe      858:   add strxfrm and tweak limits.h.  glib-1.3.8 now compiles without changes.
                    859:   add a few more module syscalls.  modutils-2.4.9 now compiles without changes.
                    860:   fix gethostent alias list termination.  Major oops.
1.178     fefe      861:   add execle and two DNS constants (from Johannes Kloos).
1.179     fefe      862:   opendir did not close-on-exec (thanks, Laurent Bercot).
1.180     fefe      863:   DNS will now properly signal errors and set h_errno.
                    864:   A few more cleanups (thanks, Andreas Jabs and Matthias Andree).
1.181     fefe      865:   Added an uber-cool linker safeguard feature!  Idea by Matthias Andree.
                    866:     If you enable WANT_SAFEGUARD in dietfeatures.h, diet will include an
                    867:     external reference to a symbol that is only in the diet libc.  So,
                    868:     when you accidentally link a diet libc compiled object file against
                    869:     glibc, the linker will barf.  This will bloat your object files, but
                    870:     you can remove all the references with "strip -R .note" from
                    871:     the binaries in the end (which you should do anyway).
1.182     fefe      872:   fix ARM unified syscall (select did not work).
1.183     fefe      873:   add getpwent_r ala glibc and replace getpwent
                    874:   do the same for getgrent and getspent
                    875:   remove entlib (new code is smaller)
1.184     fefe      876:   rewrite getserv* to use parselib (and provide ..._r, too)
1.185     fefe      877:   add getpwnam_r and getpwuid_r
1.186     fefe      878:   rewrite getproto* to use parselib (and protive ..._r, too)
1.187     fefe      879:   Olaf muddled with the dynamic linker.  It's a clean-room
                    880:     implementation in the sense that it once worked for Olaf in a clean
                    881:     room ;)
1.188     fefe      882:   add if_nameindex and if_freenameindex.
                    883:   fixed arm unified syscalls to work with current binutils (; is no
                    884:     longer a line separator but starts a comment, switched to .macro)
1.189     fefe      885:   changed all st_[cma]time types to signed long so comparisons against
                    886:     LONG_MIN will work correctly.  (GNU tar does this)
1.190     fefe      887:   fixed two bugs regarding ungetc.
                    888:   add getusershell, setusershell, endusershell (for vs_ftpd)
                    889:   add prctl, dirfd (also for vs_ftpd)
1.191     fefe      890:   fixed strftime (was completely hosed)
1.192     fefe      891:   added real make install target
1.164     fefe      892: 
1.115     fefe      893: 0.11:
                    894:   fix major oops in DNS routines (only with WANT_FULL_RESOLV_CONF enabled).
1.116     fefe      895:   fix vsscanf bug (Thanks, David Chappell).
1.117     fefe      896:   add floor, ceil and memchr prototypes.
                    897:   add __builtin_expect and expect #defines for gcc versions below 3.0
1.118     fefe      898:   cleaner errno vs __errno_location handling
                    899:   add placeholder iconv (iconv_open will always return EINVAL)
                    900:   try to remove kernel 2.4 header dependency in IPv6 sockaddr_in6
                    901:     initialization of getaddrinfo.
1.119     fefe      902:   fix vsnprintf %X (printed lower case)
1.120     fefe      903:   I wrote a new getopt.  It appears to actually work (it is POSIX
                    904:     compliant, it does not sort argv like the GNU version) and is only
                    905:     a little over 300 bytes on x86.
1.121     fefe      906:   Guillaume Cottenceau just wrote me that strncat should be even more
                    907:     broken than it already is: it should append n bytes AND THEN \0!
1.463     leitner   908:     I wonder how many programmers have produced off-by-one errors here...
1.122     fefe      909:   Fix regexec offset return.  autoconf now believes that diet libc has
                    910:     POSIX regular expressions.
1.123     fefe      911:   Fix fnmatch (a/b/* matched a/b/c/d even if FNM_PATHNAME was set)
1.124     fefe      912:   Fix regular expression match for x* when there is no x at all.
1.668     leitner   913:   Fix memory leak in error case in gethostbyname(2|).  Thanks, Dietz Pr?pper.
1.126     fefe      914:   Add %h to vsnprintf.
1.127     fefe      915:   Add FAQ.
1.128     fefe      916:   Make %h work for signed numbers and add %hh to vsnprintf.
                    917:   initgroups ignored the group argument :-(
                    918:   remove printf references and nested functions from glob.
1.129     fefe      919:   added an errno in libpthread that will display a prominent linker
                    920:     warning.
1.131     fefe      921:   started getting rid of kernel headers.  Big task! :-(
1.130     fefe      922:   add res_mkquery.  The diet libc can now compile and link mtr.
1.132     olaf      923:   Olaf: added a lot of code in libdl (not yet complete), changed the
                    924:     startup code to make it work with his libdl and ld.so (needs still work
                    925:     too)
1.134     fefe      926:   __dns_readstartfiles only took the first domain or search path.
                    927:     Thanks, Anthony de Boer
1.133     olaf      928:   Olaf: added clone and a new unified_syscall for PowerPC
                    929:     also dynlinker is now available (i386 only at this time)
1.135     fefe      930:   crufted together a stdarg.h implementation from the various gcc headers.
1.136     fefe      931:   implement getopt_long (ugh, the GNU people need professional help)
1.137     fefe      932:   fixed word delimiters in regex (they looked for space, i.e. "," did
                    933:     not work as delimiter)
1.138     fefe      934:   errno.h now declares sys_errlist and sys_nerr.
1.143     fefe      935:   added mkdtemp.
1.142     fefe      936:   Uwe Ohse reported all of the following bugs:
                    937:     ttyname should return 0 if !isatty.
                    938:     realpath returns NULL if "." cannot be opened
                    939:     putenv erroneously accepted (and mishandled) entries without "=".
                    940:     popen returned 255 instead of 127 if /bin/sh could not be run.
                    941:     fgetc did not set the internal EOF indicator on EOF.
                    942:     bsearch contained an assumption about integer arithmetic overflow
                    943:       behavior.
                    944:     system did not set SIGCHLD and thus contained a race.
                    945:     popen did not set close-on-exec and could leak an fd on malloc error.
1.147     fefe      946:     daemon did not check whether open returns an fd below 3
                    947:     perror did not save errno.
1.144     olaf      948:   Olaf: Peter Jones reported some problems with perror; strerror had the
                    949:     same problem.
                    950:     Peter also posted a patch to atexit/exit. With some modifications it is
                    951:     now implemented.
1.145     fefe      952:   Unbuffered stdio and ungetc can no longer be disabled.  I will try to
                    953:     implement part of it using ELF weak symbols.
1.146     fefe      954:   Added minimal sysconf (tehe) from David Chappell.
1.148     fefe      955:   Added overflow handling for strtoul and strtol.
1.149     fefe      956:   Added WANT_ETC_HOSTS in dietfeatures.h and made gethostbyname/2 use
                    957:     it before falling back to DNS if enabled.
1.150     fefe      958:   Added a littie backwards compatibility cruft for gpm (man, do these
                    959:     sources stink!)
1.151     fefe      960:   Added openpty.
1.152     fefe      961:   Squeeze a few bytes off the is* routines, courtesy of Peter Jones.
1.154     fefe      962:   Fix fseek return value.
1.155     fefe      963:   Add dirname and basename.
1.156     fefe      964:   Add a few i386 math routines contributed by Frank Klemm.
1.157     fefe      965:   Fixed getservent (did not allow _ and - in the aliases).
                    966:     Thanks, Oden Eriksson
1.158     fefe      967:   Added a float.h so configure believes we have ANSI header files.
                    968:   Fix a lot more stdio bugs that Uwe Ohse pointed out.
1.162     fefe      969:   Olaf: has added a new scanf and printf core that is suitable for all
1.159     olaf      970:     scanf and printf function implementations
1.160     fefe      971:   Imported a few more functions and optimizations from Frank Klemm (he
                    972:     also rewrote dtostr to have more precision)
1.161     olaf      973:   Olaf: checked in a new sig* function family (based on rt_sig*).
                    974:     legacy <2.2 signal-handling doesn't work at the moment.
1.163     fefe      975:   Made rudimentary iconv that can convert back and forth between
                    976:     iso-8859-1, utf-8 and ucs-4 (for debugging).
                    977:     Thanks to Markus Kuhn for the excellent utf-8(7)!
1.115     fefe      978: 
1.74      fefe      979: 0.10:
                    980:   update getpagesize.
                    981:   add personality.
1.75      fefe      982:   add "%*s" and "%*.*s" support to vsnprintf.
1.76      fefe      983:   add putchar (apparently arm-linux-gcc will substitute printf("\n")
                    984:     with putchar('\n') behind your back...?!
1.77      fefe      985:   import include/scsi/ from glibc.
1.78      fefe      986:   add iopl.
1.80      fefe      987:   add execl and sigdelset prototypes.
                    988:   add getopt_long stuff to getopt.h (may compile but won't link).
1.81      fefe      989:   add RPC headers (no code yet).
1.82      fefe      990:   add mlockall, munlockall
1.83      fefe      991:   make "diet gcc foo.c" work.
                    992:   added Sun RPC code and removed as many warnings as possible in a
                    993:     heroic act of self-mutilation.
                    994:   added getproto* and getdtablesize for the RPC cruft :-(
1.84      fefe      995:   added getpass.  mount from util-linux actually compiles now!
                    996:   fix the sig*set routines.  mount actually works now *bg*
                    997:   fix fwrite dividing by zero when trying to fwrite n records of size 0.
1.85      fefe      998:   added an initial regex implementation (3500 bytes!!!).
1.87      fefe      999:   add llseek and lseek64 with optional lseek fall-back.
1.88      fefe     1000:   add res_init.
                   1001:   add asprintf (ugh, what an ugly function).
1.89      fefe     1002:   expanded arpa/nameser.h to include backwards compatibility defines
1.90      fefe     1003:   add ut_name alias to ut_host in struct utmp.
                   1004:   add inet_ntop, inet_pton, gethostbyname2.
1.92      fefe     1005:   add sysinfo, recvmsg, sendmsg.
1.93      fefe     1006:   add endmntent, getmntent, setmntent.
1.94      fefe     1007:   fix fnmatch (thanks, Guillaume Cottenceau!)
1.96      fefe     1008:   add setenv.
                   1009:   remove __restrict from mntent.h, add __restrict__ removal alias for
                   1010:     older gcc versions in sys/cdefs.h.
                   1011:   add rlim_t, sig_atomic_t declarations.
                   1012:   add sigsetjmp #define for __sigsetjmp (oops).
                   1013:     (Thanks to Chris Siebenmann for these three bug reports)
1.97      fefe     1014:   add a gruesome hack to printf floating point to accept %f and kludge
                   1015:     together support for %.2f.  Don't look at the code, please!
1.98      fefe     1016:   fixed tcsetpgrp (oops, this is embarassing!  Thanks, Chris Siebenmann)
1.99      fefe     1017:   imported fix for entlib by Jeff Garzik.
1.100     fefe     1018:   add glob implementation from Guillaume Cottenceau (Thanks!!)
                   1019:   add libdl fragments from Olaf (Yeah!  One step closer to dynamic linking!)
1.101     fefe     1020:   add REG_ICASE and word start/end handling to my regular expressions.
                   1021:   my regular expressions now actually match substrings (i.e. "foobar" to "bar").
1.102     fefe     1022:   wrap getcwd to comply to man page (the syscall returns the number of
                   1023:     bytes, not the buffer)
                   1024:   add realpath.
1.103     fefe     1025:   fix vfprintf.
1.104     fefe     1026:   fix *scanf %s zero termination.
                   1027:   add abs, labs, llabs.
1.105     fefe     1028:   add <sys/io.h>, ioperm syscall.
                   1029:   add flock to <sys/file.h>
1.106     fefe     1030:   fixes to bsearch and the regular expressions.
1.107     fefe     1031:   add fake herror.
1.108     fefe     1032:   add scandir and alphasort.
1.109     fefe     1033:   add killpg
1.110     fefe     1034:   implemented a gross hack to make libpthread compile when
                   1035:     dietfeatures.h does not define WANT_THREAD_SAFE (it's empty then).
1.111     fefe     1036:   add getaddrinfo and freeaddrinfo (man, what a fucked up interface!)
1.112     fefe     1037:   fix sigsuspend (syscall had completely fscked up arguments!)
1.113     fefe     1038:   RLIM_INFINITY from the kernel is broken.  Thanks to Chris Siebenmann
                   1039:     for sending a patch.
1.114     fefe     1040:   add getserv*.
                   1041:   add WANT_FULL_RESOLV_CONF so that the DNS routines use "domain" and
                   1042:     "search" from resolv.conf.
1.74      fefe     1043: 
1.73      fefe     1044: 0.9:
1.65      fefe     1045:   fixed initgroups (oops)
1.66      fefe     1046:   Cleanup appending file open for stdio (thanks, James Antill)
                   1047:   imported vfprintf fix from James Antill.
1.67      fefe     1048:   add fnmatch
                   1049:   change index, rindex and bcmp as weak ELF symbols (were #defined before)
1.68      fefe     1050:   Olaf added character classes to *scanf.
1.69      fefe     1051:   Put object and library files into a separate directory (bin-$ARCH).
                   1052:   Add "cross" make target to make all architectures.
                   1053:   Add "diet" program and man page.
1.70      fefe     1054:   Add getgrnam, getgrgid
1.71      fefe     1055:   Add cfmakeraw (Thanks, Antonio Musumeci)
1.72      fefe     1056:   localtime won't call gettimeofday when the tzfile parser is used.
1.65      fefe     1057: 
1.64      fefe     1058: 0.8:
1.34      fefe     1059:   vsnprintf(0,...) estimated the length of strings with a padding width
                   1060:     incorrectly.
1.35      fefe     1061:   new reboot() from Olaf.
1.36      fefe     1062:   added prototypes for getsockopt and setsockopt.
1.39      fefe     1063:   added experimental sem* and shm*
1.38      fefe     1064:   define EXIT_SUCCESS and EXIT_FAILURE
1.40      fefe     1065:   added setvbuf (only changes mode, not buffer)
1.41      fefe     1066:   added dietwarning.h (woohoo, linker warnings!) and used it to warn of
                   1067:     insecurity (system, sprintf) or bloat (printf and stdio).
1.42      fefe     1068:   added qsort() and bsearch().  Benchmark on 1000 random ints:
                   1069:     glibc: 679414 cycles qsort and 3352 cycles bsearch
                   1070:     diet libc: 300010 cycles qsort, 553 cycles bsearch
                   1071:     I have no idea why glibc is so slow.
1.43      fefe     1072:   added __isnan (references by libm.a from glibc).
                   1073:   added popen() and pclose().  Now the diet libc can link slsh (from
                   1074:     S-Lang!)
1.44      fefe     1075:   corrected usleep.  It was more of an msleep until now.
1.45      fefe     1076:   corrected __dtostr (it looped when trying to format "0.0").
                   1077:   several fixes to stdio (thanks to S-Lang's excellent test suite!)
1.46      fefe     1078:   added ungetc (does it work?)
1.47      fefe     1079:   added inet_aton (yuck!)
1.50      fefe     1080:   added gethostbyname, gethostbyaddr, gethostbyname_r and gethostbyaddr_r
1.48      fefe     1081:   added h_errno and __h_errno_location
                   1082:   added inet_ntoa
1.49      fefe     1083:   added setpgrp and getpgrp, strsignal and execv (thanks, Olaf)
1.51      fefe     1084:   add bcopy, index, rindex macros
                   1085:   add isgraph and isxdigit
1.52      fefe     1086:   add strftime (ugh!!!)
1.53      olaf     1087:   Olaf fixed strftime, gmtime_r leap year bug.
1.54      fefe     1088:   Jeff Garzik contributed a spec file.  I put it in contrib and hope
                   1089:     everbody knows what to do with it...
                   1090:   Olaf checked in a ton of libpthread stuff.
1.55      fefe     1091:   added mkstemp using /dev/urandom (harder to guess than getpid()).
1.56      fefe     1092:   add large file backwards compatibility support (so gzip will run on
                   1093:     kernel 2.2 and 2.0)
1.57      fefe     1094:   added shutdown
1.58      fefe     1095:   added nice
                   1096:   added pseudo-locale support for is* (they are now weak aliases,
                   1097:     isupper -> __isupper_ascii etc).  So, for example, liblatin1 can
                   1098:     overwrite the default is* functions.
1.59      fefe     1099:   added liblatin1.a
1.60      fefe     1100:   added tzfile implementation (does it work for anyone else?)
1.668     leitner  1101:   added syslog(3) (thanks to Rene M?ller!)
1.62      fefe     1102:   Jeff Garzik contributed getgr*, getpw* and getsp* in one tiny package.
                   1103:     Thanks!
1.63      fefe     1104:   merged duplicate code in execv and execvp into exec_lib.o
1.34      fefe     1105: 
1.21      fefe     1106: 0.7.2:
                   1107:   added several prototypes to already implemented functions and
                   1108:     <sys/reboot.h>.  Thanks for Abraham for pointing this out.
1.22      fefe     1109:   added prototypes for process group and dup syscalls.  Thanks to
                   1110:     Abraham again.  He also contributed an implementation for daemon(),
                   1111:     an ugly BSD hack.  I decided to diversify the lib/ directory a
                   1112:     little and now created a libugly/ directory for stuff like system()
                   1113:     and daemon() ;-)
                   1114:   added libstdio and moved all that stdio crap from lib/ there.  The
                   1115:     idea is to start separating now what we will separate for shared
                   1116:     libraries anyway.
1.26      fefe     1117:   optimized x86 unified-syscall by Olaf.
1.27      fefe     1118:   added limits.h, removed __ARCHBITS from endian.h (use __WORDSIZE from
                   1119:     limits.h instead)
                   1120:   added remove.c and enough cruft to limits.h to make it compile lzo,
                   1121:     lzop and bzip2.
1.28      fefe     1122:   added mktime, asctime_r, asctime and ctime (needed for gzip).
                   1123:   Someone will need to implement a reader for the glibc localtime file
1.31      fefe     1124:     format some day (man tzfile, ugh!) :-(
1.29      fefe     1125:   added unlink prototype to unistd.h.
                   1126:   added gmtime and gmtime_r.
1.31      fefe     1127:   fixed sparc unified syscall error handling (please upgrade!).
1.30      fefe     1128:   removed readdir glibc compatibility cruft.
1.31      fefe     1129:   removed stat glibc compatibility cruft.
1.32      fefe     1130:   oops, my fread was broken for pipes.
1.33      fefe     1131:   Olaf found a bug in pipe() for sparc, too.
1.21      fefe     1132: 
1.9       fefe     1133: 0.7.1:
1.11      fefe     1134:   optimized away the static arrays from __ltostr and __lltostr.
                   1135:   optimized away the static arrays (and more!) from strtoul and strtoull.
                   1136:   added system (by Olaf).
1.12      fefe     1137:   added tolower and toupper
1.13      fefe     1138:   added getopt from Olaf (~600 bytes on x86!)
1.14      fefe     1139:   added clone for mips (by Olaf).
                   1140:   fixed longjmp and setjmp on sparc not to require glibc include files.
1.15      olaf     1141:   added pause for all (by Olaf).
1.17      fefe     1142:   added __attribute__ ((__const__)) to ctype.h
1.16      fefe     1143:   added isupper and islower.
                   1144:   added putc and putchar as macros.
1.17      fefe     1145:   added strcasecmp and strncasecmp (thanks to Abraham vd Merwe for
                   1146:     insightful discussions and patches I partially used for the last three)
1.18      fefe     1147:   added getpriority and setpriority (also by Abraham)
1.19      fefe     1148:   oops, I broke strtoul in a recent optimization attempt.
1.20      fefe     1149:   oi, setjmp and longjmp were broken on other platforms, too!
1.668     leitner  1150:     Thanks to S?bastien C?t? for reporting this.
1.9       fefe     1151: 
                   1152: 0.7:
1.6       olaf     1153:   clone support for i386,alpha,arm and sparc by Olaf.
1.1       cvs      1154:   Initial dynamic loading glue for i386, also by Olaf.
                   1155:   We don't have a dynamic loader yet, so this is not yet usable.
                   1156:   added readv, sigdelset, sigaltstack, sigfillset, sigismember, usleep,
                   1157:     vsprintf, writev, all by Olaf.
1.2       fefe     1158:   imported readdir fix from Guillaume.  Mhh, can the kernel interface
                   1159:     really be this broken?
1.3       fefe     1160:   Found a kludgy way to detect whether the kernel includes define struct
                   1161:     stat64 (they also define STAT64_HAS_BROKEN_ST_INO).  If this does
                   1162:     not work for you, please tell me!
1.4       fefe     1163:   Removed bogus __seek_types enum, it's a bunch of #defines now.
1.7       fefe     1164:   Fixed stdio line buffering.  The code was already there but I forgot
                   1165:     to mark stdio and stdout as line buffered.  This should really be
                   1166:     done dynamically using isatty, though.
1.8       fefe     1167:   Removed superfluous "if (1)" in execvp.c
1.1       cvs      1168: 
                   1169: 0.6.14:
                   1170:   *scanf did not append the 0 byte for %s.
                   1171:   added creat and changed creat to call open directly instead of open64.
                   1172:   did for fread what 0.6.10 did for fwrite.
                   1173:   repaired buffered stdio a little (line buffering is still not
                   1174:     supported).
                   1175:   [All of these bugs have been reported by Guillaume.  Thanks!]
                   1176:   added __pure__ to strchr and strrchr in <string.h>
                   1177: 
                   1178: 0.6.13:
                   1179:   included COPYING to make clear that the diet libc is covered by the
                   1180:     GNU General Public License (and _not_ the LGPL).  That means that
                   1181:     you need to obtain a license from me if you want to use the diet
                   1182:     libc in a proprietary program that you want to distribute.
                   1183:   The x86 unified syscall swapped arguments #4 and #5 and noone
                   1184:     noticed until now!  Thanks to Guillaume Cottenceau for reporting
                   1185:     this!
                   1186:   The malloc had a subtle bug with small allocations that could cause
                   1187:     segfault.  Guillaume reported it, Olaf fixed it.
                   1188: 
                   1189: 0.6.12:
                   1190:   added assert, statfs and fstatfs
                   1191:   added include/net/if.h so fget compiles again.
                   1192: 
                   1193: 0.6.11:
                   1194:   added putenv.
                   1195: 
                   1196: 0.6.10:
                   1197:   fixed fwrite.  It returned the number of bytes written, not the number
                   1198:     of records.  Thanks to Albert D. Cahalan for pointing this out.
                   1199:   fixed fgets.  It returned EOF on empty lines.  Thanks, Erik Frey.
                   1200:   added brk and sbrk.  harold@nb.com.sg made me do it.
                   1201: 
                   1202: 0.6.9:
                   1203:   fixed execvp not to return on ENOENT
                   1204:   did for {open|read|close|seek|tell}dir what I did for stat before.
                   1205:     The glibc compatibility part is currently non-functional.
                   1206:   fixed white space handling in sscanf " (" would not match " (".
                   1207:   fixed printf to accept 'l' flag.
                   1208:   fixed getpwuid (ignored last line)
                   1209: 
                   1210: 0.6.8:
                   1211:   Olaf contributed initial thread-safe syscalls for i386, alpha, sparc,
                   1212:     mips and arm.  I did the one for ppc.  They can be enabled in dietfeatures.h.
                   1213:   added strlcpy and strlcat from OpenBSD.
                   1214:   added stat64, fstat64 and lstat64.
                   1215:   added endian.h and made ending of strlen.c endianness-aware
                   1216:   added string routines size tweak to dietfeatures.h.  Most of the
                   1217:     string routines have been unrolled.  This is up to three times as
                   1218:     fast but creates up to three times larger code.  Now you can disable
                   1219:     the unrolling.
                   1220:   added sendfile.
                   1221:   I also added pread.  It works on x86 and sparc but not on ppc and mips.
                   1222:     I have no idea what's going on.  strace disagrees with the kernel.
                   1223:     Can anyone help?  I asked the Linux kernel mailing list for help, too.
                   1224:   added a few aliases of the type __libc_open for open.  nm on
                   1225:     libpthreads.so indicates that we will need them.
                   1226: 
                   1227: 0.6.7:
                   1228:   the sources now compile without warnings with -Wall.
                   1229:   printf now prints "(null)" when %s is passed NULL.  This can be
                   1230:     removed with WANT_NULL_PRINTF in dietfeatures.h
                   1231:   added vfprintf, execl, ttyname.
                   1232:   stat, lstat and fstat are now #defined to __dietstat, __dietlstat and
                   1233:     __dietfstat so they can use the normal kernel struct stat.
                   1234:     stat, lstat and fstat are now C wrappers that convert to the glibc
                   1235:     struct stat.  So we can avoid that overhead for programs that use
                   1236:     dietlibc headers.
                   1237: 
                   1238: 0.6.6:
                   1239:   changed the Makefiles so you can now set CFLAGS on the command line
                   1240:   added memccmp (analogous to memccpy) and strncmp.
                   1241:   Olaf fixed another bug in the sparc unified syscall.
                   1242:   Paul Clifford contributed a C version of his strlen.S that is much
                   1243:     more efficient than the previous strlen on all platforms!  It also
                   1244:     looks like technology from Roswell. ;-}
                   1245:   added a "real" stdio.  Well, almost.  Please contribute!
                   1246:   added dietfeatures.h so you can remove features you don't need.
                   1247:   removed debug code from vsnprintf that changed \0 to ' ' (argh!).
                   1248:   stdio now works with simple programs and minigzip from libz.
                   1249:   stdio uses some major trickery to avoid linking the stdio, stderr and
                   1250:     stdout (and reserving space for them) when they are not used.
                   1251: 
                   1252: 0.6.5:
                   1253:   Red Plait <redplait@ixcelerator.com> found several bugs in diet libc,
                   1254:     most of them bugs in the new header files, but also missing sigset
                   1255:     functions.
                   1256:   Paul Clifford contributed an assembly strlen.S for ARM and fixed
                   1257:     several bugs.
                   1258:   Fixed ppc/setjmp and mips/pipe.
                   1259:   Olaf contributed a new sparc unified syscall.
                   1260: 
                   1261: 0.6.4:
                   1262:   declared is* static inline in getservent.
                   1263:   added assert_fail, strtoul, isalpha, isdigit, isalnum, isascii.
                   1264:   changed strlen to return 0 when passed NULL.
                   1265:   new, much smaller unified syscall for MIPS.  Thanks to Olaf the Mad
                   1266:     Scientist who actually implemented this without access to a MIPS
                   1267:     box, just from reading the architecture manual.  And it worked out
                   1268:     of the box.
                   1269:   started a set of system includes, mainly so that I can use lcc and
                   1270:     my alpha-linux cross compiler (which is unable to cross-compile
                   1271:     glibc).  diet libc can now be compiled without any include files
                   1272:     from a normal libc.  The includes do declare more than diet libc
                   1273:     currently delivers and they are still far from complete for real
                   1274:     applications.
                   1275:   I will only add assembly versions that are smaller _and_ faster than
                   1276:     the C version.  Larger routines are only accepted if they are called
                   1277:     very often and are substantially faster.
                   1278:   added i386 assembly strchr, which is smaller and faster than the old
                   1279:     version.  It is, however, larger than the version contributed by
                   1280:     proton (thanks, anyway).
                   1281:   added i386 strlen (31% faster, 14% smaller)
                   1282:   "make t" will now create a map file called "mapfile".
                   1283: 
                   1284: 0.6.3:
                   1285:   added sys_errlist, strerror and perror
                   1286:   added isblank
                   1287:   added atol
                   1288: 
                   1289: 0.6.2:
                   1290:   mmap for ARM didn't compile.  Thanks, Paul!
                   1291: 
                   1292: 0.6.1:
                   1293:   split mmap into the architecture specific subdirectories.
                   1294:   getenv now copes with environ==NULL, thanks Paul Clifford.
                   1295:   Paul also contributed a smaller ARM startup code.
                   1296: 
                   1297: 0.6:
1.668     leitner  1298:   strcat returned the wrong result.  Thanks, Dietz Pr?pper.
1.1       cvs      1299:   strtod now understands a negative exponent (oops, thanks Bertram Barth)
                   1300:   Port to arm-linux-gnu, but on the Netwinder I use for testing the
                   1301:     __dtostr does not work (I have no idea why!)
                   1302:   The MIPS port now uses (much smaller) non-PIC code.  That means that
                   1303:     the applications you link against diet libc also have to be compiled
                   1304:     non-PIC.  I suggest copying the CFLAGS from the diet libc Makefile.
1.668     leitner  1305:     Thanks to Ralf B?chle for helping me with this!
1.1       cvs      1306:   I made subdirectories for the architectures and use VPATH to override
                   1307:     VPATH so that make finds the source file automatically.  That should
                   1308:     simplify the sources greatly.
                   1309:   Olaf Dreesen contributed Alpha support including setjmp and longjmp!
                   1310:   ARM and MIPS now also have setjmp and longjmp
                   1311:   "compile" and "load" are now make targets.  Use them for djb programs.
                   1312:   added contrib/elftrunc.c which will remove unnecessary ELF headers.
                   1313:     Again, contributed from Olaf.  Great work!
                   1314: 
                   1315: 0.5.12:
                   1316:   printf also does signed numbers.
                   1317:   If you don't use atexit, dietlibc now does not link exit, only _exit.
                   1318:   *printf now correctly returns the number of bytes written.
                   1319:   Olaf contributed experimental sscanf and vsscanf implementations.
                   1320:   If passed NULL as buffer, snprintf will not write anything but still
                   1321:     return the number of bytes it would have written.
                   1322:   Initial MIPS port!   (Oh, the agony!)
                   1323:     No setjmp and longjmp support yet!  Please contribute!
                   1324:   I even implemented unified syscalls for MIPS.  Still, MIPS code is
                   1325:     almost twice the size of SPARC code.  If anyone knows why: please
                   1326:     tell me!
                   1327: 
                   1328: 0.5.11:
                   1329:   I implemented new unified syscalls for x86, sparc and ppc, this time based
                   1330:     on .s files and not .c files, and I moved the syscalls into
                   1331:     subdirectores to clean the dietlibc sources up a little.
                   1332:   A binary consisting of printf("%s is %d\n","olaf",23) is now
                   1333:     2864 bytes on sparc
                   1334:     2488 bytes on intel
                   1335:   I kludgily implemented fprintf(stdout,... and fprintf(stderr,...
                   1336:     to make a few more applications work.
                   1337:   Olaf Dreesen also implemented some unified syscall stuff for x86.
                   1338:   He discovered that with our unified syscall interface it actually
                   1339:     costs <10 bytes total to make all system calls thread safe!
                   1340:   I implemented atexit() (can register up to 4 callbacks).
                   1341:   I implemented strtod and __dtostr (the opposite).  Now we can add
                   1342:     floating point support to vsnprintf and sscanf!
                   1343: 
                   1344: 0.5.10:
                   1345:   I actually saw that I can not only merge the errno handling code of
                   1346:     the system calls on x86, I can also merge the rest (including the
                   1347:     arguments) except for setting the system call number.  All those
                   1348:     system calls are now just a jump to a unified system call handler.
                   1349:     I got rid of x86openclose again.  The savings are substantial:
                   1350:     chown from embutils went from 7664 to 7184 bytes!
                   1351:     If I'd move the system call wrappers to assembly language, I could
                   1352:     even reduce the alignment (does not matter since it's just a jump
                   1353:     anyway) and get rid of the "ret" behind each jump (one byte per
                   1354:     system call!)
                   1355: 
                   1356: 0.5.9:
                   1357:   added memchr, strpbrk, strstr, strtol, isspace (hehe)
                   1358:   fixed strdup
                   1359:   fixed return values for strcpy and strcat (thanks to Norbert Berzen)
                   1360:   Olaf Dreesen contributed a strtol and initial {sn|vsn|}printf implementation
                   1361:     (no signed integers, only strings and unsigned integers (but
                   1362:     supporting octal, hex and decimal).  Thanks, Olaf!  (by the way:
                   1363:     that code must be wonderful, I don't understand it at all *bg*)
                   1364:     Olaf's printf does understand padding like in "%08d" and "%8d" and
                   1365:     automatically pads pointers with '0'.
                   1366:   Rewrote the x86 start code, old: 22 instructions, new: 12 instructions.
                   1367:   Thanks to proton for inspiration on this.
                   1368:   The new x86 start code also does not reference exit any more, thus saving
                   1369:   64 bytes for executables that don't call exit explicitly.
                   1370:     [insert maniacal laughter] EVERY BYTE COUNTS!1!! ;-)
                   1371:   Moved errno and environ to start.S, saving no byte binary size but
                   1372:     speeding up compilation and slightly shortening dietlibc.a ;-)
                   1373:   For x86: joined open and close into one assembler file, sharing the
                   1374:     errno handling.  This is a feasibility test and it actually saves a
                   1375:     few bytes.  I think I will reimplement the _syscall[1-6] macros on
                   1376:     all platforms now to share the errno handling code for them.
                   1377: 
                   1378: 0.5.8:
                   1379:   fixed strchr to be able to look for 0.
                   1380: 
                   1381:   added _llseek, ftruncate, getpgid, getresgid, getresuid, getsid,
                   1382:   memccpy, memmove, mprotect, setregid, setresgid, setresuid, setreuid,
                   1383:   strncpy, swapon, truncate, strtok, strtok_r, strspn, strcspn (all
                   1384:   contributed by Olaf Dreesen)
                   1385: 
                   1386:   added execvp, getcwd
                   1387: 
                   1388:   fixed __xmknod
                   1389: 
                   1390:   Note: can it be that the ftw interface really is so broken that I
                   1391:   cannot implement it without having to implement some searching data
                   1392:   structure?  I included an experimental ftw implementation that will
                   1393:   not follow symlinks.
                   1394: 
                   1395: 0.5.7:
                   1396:   oops, if_nametoindex was broken!
                   1397: 
                   1398: 0.5.6:
                   1399:   ported to ppc-linux.
                   1400:   fixed i386 sigsetjmp (I mistyped the function name)
                   1401:   included sigjmp.c
                   1402: 
                   1403: 0.5.5:
                   1404:   added wait, sys_siglist, longjmp/setjmp/sigsetjmp for i386 and sparc
                   1405:   actually, it wasn't fork that wasn't working for sparc, it was pipe.
                   1406:   I fixed it now.
                   1407:   dietlibc/SPARC assumes -msupersparc (does not provide div, mul, etc)
                   1408:   fixed readdir to use getdents and not the intel inline asm
                   1409: 
                   1410: 0.5.4:
                   1411:   ported to sparclinux (sparc32 only).  Beware: does not work yet.
                   1412:   added raise, abort, readlink, strcat, geteuid, geteuid, wait3, access
                   1413: 
                   1414: 0.5.3:
                   1415:   added tcsetattr and getenv to compile e3
                   1416: 
                   1417: 0.5.2:
                   1418:   added vhangup, tcgetattr, isatty and memcmp for fgetty
                   1419:     (http://www.fefe.de/fgetty/)
                   1420:   added localtime from uC-libc.
                   1421: 
                   1422: 0.5.1:
                   1423:   stat and friends actually work now.  Yuck!  Another case of
                   1424:     translation between kernel and userland.  Why can't the kernel
                   1425:     people and the libc people simply agree on a standard?
                   1426:   removed many unnecessary includes to speed up compilation.
                   1427:   added -fomit-frame-pointer and i386 compilation target to reduce code size.
                   1428:   inlined socketcall to reduce code size.
                   1429:   "load" and "compile" are examples for djb code.
                   1430: 
                   1431: 0.5:
                   1432:   Olaf Dreesen contributed a much smaller implementation of malloc and friends.
                   1433:   each object file is now treated with "strip -x -R .note -R .comment"
                   1434:   split each system call into a separate object file
                   1435:   added ntohs, htons, alarm, if_indextoname and if_nametoindex
                   1436: 
                   1437: 0.4.1:
                   1438:   oops, the strchr implementation was wrong.  Thanks Jens Laas!
                   1439: 
                   1440: 0.4:
                   1441:   copied opendir and friends from uC-libc.
                   1442:   added getservent and getservby* in gerservent.c
                   1443: 
                   1444: 0.3:
                   1445:   remove readdir system call
                   1446:   added getdents system call
                   1447:   added getpwnam/getpwuid implementation in getpwnam.c
                   1448:   added a few string functions (in str*.c)
                   1449: 

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