Annotation of dietlibc/CHANGES, revision 1.391
1.381 fefe 1: 0.23:
2: update sys/soundcard.h
3: various x86_64 fixes (Gwenole Beauchesne)
1.382 fefe 4: fix assert for 64-bit platforms (Gwenole Beauchesne)
1.383 fefe 5: remove many warning from test suite (Gwenole Beauchesne)
1.384 fefe 6: hopefully fix resolver (again, Gwenole)
1.385 fefe 7: fix floorl typo (Norbert Wolff)
1.386 fefe 8: add more BSD brokenness to time.h
9: forward poll.h to sys/poll.h
1.387 fefe 10: make DNS socket close-on-exec (Felix J. Ogris)
1.388 fefe 11: add cuserid to libcompat (Andreas Krennmair)
1.389 fefe 12: add ctermid and ftok to libcompat (those are _really_ ugly)
1.390 fefe 13: copy some RPC bugfix cruft from glibc
14: warning: I don't use rpc or xdr, I don't actually understand or have
15: a way to test this. Maybe I should remove this cruft from the
16: diet libc...?
1.391 ! leitner 17: make declaration of writev and readv match susv3
1.381 fefe 18:
1.341 fefe 19: 0.22:
1.342 fefe 20: fix i386 libm
1.343 fefe 21: fix netinet/ip_icmp.h (Rui Prior)
1.344 fefe 22: make strings.h susv3 compliant (Gunnar Ritter)
1.345 fefe 23: remove stdio dependence in abort
1.346 fefe 24: fix truncate64, ftruncate64 (Luc Van Oostenryck and Yuri Kozlov)
1.347 fefe 25: fix and improve erand48() (Luc Van Oostenryck)
1.348 fefe 26: fix realpath for non-existant directories (Gergely Nagy and Gerrit Pape)
1.349 fefe 27: fix DNS timeout and IPv6 socket reuse
1.350 fefe 28: strtoul now accepts "-1" as well (Thomas Ogrisegg)
29: add i386 strcasecmp and __ltostr (Thomas Ogrisegg)
1.351 fefe 30: add killpg prototype (Luc Van Oostenryck)
31: remove some compiler warnings (Luc Van Oostenryck)
32: better rand() from Knuth's TAOCP (Luc Van Oostenryck)
1.352 fefe 33: fix unified x86_64 unified syscall 64-bit return value issue (Gwenole)
1.353 fefe 34: the getdents64 emulation was broken and repairing it opened a can of
35: worms. So I ripped it out. I also changed the readdir64 emulation
36: to work if there is no getdents64.
1.354 fefe 37: fix ia64 start.S (Thanks to Volker Birk for an account on his ia64 box)
1.355 fefe 38: many ia64 fixes (waitpid, nice, fork, vfork, time, utime ...)
1.356 fefe 39: More fixes from Gwenole (printf %p only printed the last 32 bits, I
40: botched the getdents64 #ifdefs, we violated the x86_64 ABI)
1.357 fefe 41: change signal() to do as glibc does
1.358 fefe 42: remove a few more warnings
1.359 fefe 43: add new 2.5 syscall #defines
44: add epoll_create, epoll_ctl and epoll_wait
1.360 fefe 45: the new x86 syscall numbers exceed 255, breaking our %al optimization
46: I worked around it with conditional assembly in cpp macros. Ugh.
1.361 fefe 47: more MIPS fixes (the stoned MIPS ABI for restartable syscalls expects
48: the instruction before the syscall to be a load immediate)
49: fix fread() from a pipe (oops, tried to lseek)
1.362 fefe 50: #define _POSIX_VDISABLE in termios.h (Laurent Bercot)
1.363 fefe 51: two *printf fixes (Gernot Tenchio)
1.364 fefe 52: add nan and +-inf handling in __dtostr
1.365 fefe 53: add _SC_NGROUPS_MAX support to sysconf (Felix J. Ogris)
1.366 fefe 54: make assert() use expect(), slight optimization
1.367 fefe 55: add i386 vfork (Thomas Ogrisegg)
1.368 fefe 56: fix SA_NODEFER on sparc (Gerrit Pape, Thomas Bader)
1.369 fefe 57: fix sin, cos and __dtostr (Gernot Tenchio)
1.370 fefe 58: add /dev/epoll ioctl constants to sys/ioctl.h
1.371 fefe 59: add linux/eventpoll.h for /dev/epoll
1.372 fefe 60: fix lseek64 on 64-bit architectures
1.373 olaf 61: Olaf: fix x86_64 start-code (we have reg-args)
62: fixing some broken macros in sparc32-code (.udiv,.urem)
63: adding strndup (GNU Extension)
1.374 fefe 64: fix glob strncpy (R.L. Horn)
1.375 fefe 65: fix regfree (Uwe Ohse)
1.376 fefe 66: fix puts in full stdio mode (would omit \n)
1.377 fefe 67: fix wrong types on powerpc, broke *stat (Gerrit Pape)
1.378 fefe 68: allow more than 64k in i386 memchr (Karsten Scheibler)
1.379 fefe 69: make strftime work it WANT_TZFILE_PARSER is not set (Gwenole Beauchesne)
1.380 fefe 70: build parisc on parisc64, change libgcc link order on sparc (Gerrit Pape)
1.341 fefe 71:
1.326 fefe 72: 0.21:
1.327 fefe 73: use gcc's size_t, ptrdiff_t and wchar_t types (Olaf)
74: use -G 8 on MIPS to reduce code size (Johannes Stezenbach)
1.328 fefe 75: add munlock (Jens Låås)
1.330 fefe 76: argh, atexit fell victim to bit rot (or maybe Olaf)
1.331 fefe 77: add WANT_INET_ADDR_DNS to make gethostbyname not look up IP numbers
78: but use them to fill in the struct hostent directly.
1.332 olaf 79: signal is now a correct signal (Olaf)
1.333 fefe 80: read optimizer cflags for diet -Os gcc from ~/.diet/gcc, overriding
81: the built-in defaults.
1.334 fefe 82: add file "SECURITY". I will document design tradeoffs that have
83: security implications there.
1.335 fefe 84: fixed regex LINEEND condition
1.336 fefe 85: add .size directive to i386 syscalls
1.337 fefe 86: shove a few more bytes off the i386 socket calls
1.339 fefe 87: setjmp, longjmp and clone for x86_64 are now implemented but not tested (Olaf)
1.340 fefe 88: fix sparc signals
1.326 fefe 89:
1.319 fefe 90: 0.20:
1.325 fefe 91: calloc was botched
1.320 fefe 92: umount and stime for x86_64 (Gwenole Beauchesne)
1.321 fefe 93: some malloc fixes for very big numbers (Enrico Scholz, me)
1.322 fefe 94: x86_64 unified syscall did not preserve rbx violating ABI (Gwenole)
1.323 fefe 95: realpath fix if path did not contain a slash (Gwenole)
1.324 fefe 96: add ucontext
1.329 fefe 97: add asm/statfs.h to work around people using <linux/fs.h>
1.319 fefe 98:
1.308 fefe 99: 0.19:
100: current gcc cvs makes __thread a keyword (Eric Troan)
1.316 fefe 101: be more strict regarding hostile DNS packets (me)
1.312 fefe 102: fix ia64 compile problems (Gerrit Pape)
1.311 fefe 103: make killpg a function and not a macro (broke bash 2.05b)
1.313 fefe 104: fix ia64 start code and unified syscall (me)
1.314 fefe 105: add sparc/strlen.S from Thomas Ogrisegg
106: add more space to ARM __jmp_buf in setjmp.h (Andre)
1.315 fefe 107: fix libcompat/syscall.S (did't compile on arm)
1.316 fefe 108: add integer overflow fix in xdr_array after bugtraq advisory (me)
1.317 fefe 109: fix x86_64 socket calls and mmap (and some more) (Gwenole Beauchesne)
110: add calloc integer overflow fix after RUS-CERT advisory (me)
1.318 fefe 111: add fread and fwrite integer overflow fix (me)
1.308 fefe 112:
1.281 fefe 113: 0.18:
1.282 fefe 114: add stpcpy (from Thomas Ogrisegg)
115: check in mktime fix (from Luc Van Oostenryck)
1.283 fefe 116: add libm2.s from contrib to i386 (oops, how long has it been sitting
117: there?)
1.284 fefe 118: add truncate64 and ftruncate64 and prototype for truncate (only had ftruncate)
1.285 fefe 119: Michal Ludvig ported the diet libc to the x86_64 architecture (the
120: upcoming AMD Hammer chips!). You can't even buy the chips yet and
121: the diet libc already supports it! Amazing ;-)
122: Michal's patch also fixed several of the outstanding warnings. Thanks!
1.286 fefe 123: Andre sent a patch to add ARM profiling. He says it does not work
124: yet, but it's a start.
1.287 fefe 125: added getdents64 backwards compatibility and include it in large file
126: support #defines
1.288 fefe 127: perror now checks if the message is NULL like glibc (Thomas Ogrisegg)
1.289 fefe 128: ftell did not take ungetc into account (Kevin Ryde through Debian).
1.290 fefe 129: Thomas Ogrisegg sent a port to IA64!
1.291 fefe 130: sigaddset, sigdelset and setismember segfaulted for signal 0 (Gunnar Ritter)
1.292 fefe 131: Enrico Scholz reported several bugs in the header files.
132: change __malloc__ to __attribute_malloc__
1.293 fefe 133: add pa-risc socketcall (but see TODO) (Felix J. Ogris)
1.294 fefe 134: fix *rand48 initialization (Kevin Ryde)
135: fnmatch infinite loop fix (Piotr Esden-Tempski)
1.295 fefe 136: make signal() into a sigaction wrapper function
1.296 fefe 137: add memrchr (Emil)
1.297 fefe 138: remove __attribute__((const)) from getpid() (Yuri Kozlov)
1.298 fefe 139: make getserv* also work if proto is NULL (Jens Låås)
1.299 olaf 140: now clone on parisc works (Thomas Ogrisegg)
1.300 fefe 141: getopt* fix from Thomas Walpuski
1.301 fefe 142: add syscall() to libcompat (Thomas Ogrisegg)
1.302 fefe 143: fix strncpy and strrchr i386 assembly versions for dynamic linking
1.310 fefe 144: (John K. Hohm)
1.302 fefe 145: allow short option grouping in getopt* (Ralf Wildenhues)
1.303 fefe 146: make the DNS resolver IPv6 transport capable (WANT_IPV6_DNS)
1.304 fefe 147: mention -v in diet.1 (Bryan Henderson)
1.305 fefe 148: auto-detect gcc 3 on i386 and remove compiler option warnings
1.306 fefe 149: putenv tweak (Thomas Ogrisegg)
150: add missing socket syscalls for PA-RISC and IA64 (Thomas Ogrisegg)
151: add cpio.h and tar.h (Thomas Ogrisegg)
152: change opendir/readdir/closedir from malloc to mmap (Thomas Ogrisegg)
1.307 fefe 153: cleanups from Florian LaRoche
1.281 fefe 154:
1.264 fefe 155: 0.17:
1.265 fefe 156: fix several bugs in getservent_r
1.266 fefe 157: Gunnar Ritter reported the following:
158: moved tcgetpgrp and tcsetpgrp to unistd.h
159: adjusted lstat->lstat64 #define to make it work with function pointers
160: move __dietlibc__ #define from features.h to diet
1.267 fefe 161: Thomas Ogrisegg sent x86 memccpy and strncpy routines and introduced
162: an dietfeatures.h #define WANT_FULL_POSIX_COMPAT
1.268 fefe 163: Thomas also sent me profiling support (so far only on x86, but
164: profiling/PORTING describes what needs to be done for other
165: architectures)!
1.272 fefe 166: add contrib/dprof.c, also from Thomas.
1.269 fefe 167: Andreas Krennmair sent a patch to add the BSD regex interface to
168: libcompat
1.271 fefe 169: Andre noticed that __dtostr never sets first to false. Oops!
1.274 fefe 170: Andre has provided a largely untested patch that seems to fix the problem.
1.275 fefe 171: Igor Gilitschenski sent a patch for the "%8.7lx" issue.
1.276 fefe 172: abort did not flush all stdio streams
1.277 fefe 173: fix some nasty regular expression bugs
174: write a stupid malloc checker (contrib/debug-realloc.c) to help me
175: debug my regular expressions. Please read contrib/debug-realloc.txt
1.278 fefe 176: our i386 memchr,memcmp were broken for the count=0 case
1.279 fefe 177: fix DNS domain search
1.280 fefe 178: i386 memccpy exchanged esi and edi :-( I should do more checks before
179: accepting external code...
1.264 fefe 180:
1.244 fefe 181: 0.16:
182: "diet -v" or "diet -Os" segfaulted without further arguments.
1.246 fefe 183: Andre found two very embarassing bugs in my four lines of md5 glue.
184: I need to get more sleep.
1.247 fefe 185: Thanks Ogrisegg found that ptrace does not work as documented and
186: provided a wrapper that emulates the glibc behaviour.
1.248 fefe 187: Dirk Engling saved 8 bytes and 4 cycles in the ARM clone()
188: fix ptrace.h for S/390 and ARM
189: provide a PORTING document so we don't lose track of which file need
190: to be touched to port the diet libc to a new platform.
1.249 fefe 191: remove a few warnings
192: provide a prototype for usleep.
1.250 fefe 193: make __dtostr work on ARM by using long instead of long long.
194: Idea by Dirk Engling.
1.251 fefe 195: fix an argument counting bug in *scanf (Thomas Ogrisegg)
1.252 fefe 196: Forgot an #endif in asm/sigcontext.h (Mike Castle)
1.253 fefe 197: Kurt Garloff sent in patches to
198: fix struct termios on non-x86 architectures
1.254 fefe 199: printf("%+05d\n",500) was broken (Raimar Falke told me, Olaf fixed it)
200: create libcompat.a (and move daemon to it)
1.255 fefe 201: add getdelim and getline
202: *printf now recognize 'z' integer flag (and ignore it)
1.256 olaf 203: Dirk Engling provided a strcpy.S for ARM.
1.257 olaf 204: Olaf: fixed *scanf familie. It hadn't wored with "long long".
1.258 fefe 205: Hans Lermen fixed i386/getenv.S
1.259 fefe 206: diet -Os no longer discards -fpic and -fno-pic
1.260 fefe 207: fix i386 rand/random to use correct RAND_MAX (thanks, Jaroslav
208: Macodiseas)
1.261 fefe 209: sys/ipc.h now includes sys/types.h
1.262 olaf 210: Olaf: started to make the sparc64 port
1.263 fefe 211: scandir should not sort if compar() is NULL (reported by Andrea Marrosu)
1.244 fefe 212:
1.224 fefe 213: 0.15:
1.225 fefe 214: vfork sucks. I reverted to the old behavior where vfork==fork.
1.226 fefe 215: fix bsearch (and remove i386 assembly bsearch, needs to be redone).
1.227 fefe 216: Thanks Ogrisegg sent a patch to make the PA-RISC unified syscall
217: thread-safe!
1.228 fefe 218: remove vfork and add alarm to dynamic syscalls.
219: fix diet-dyn to link in dyn_dstop.o and not dyn_stop.o.
1.229 fefe 220: The MD5 code generated unaligned accesses when passed an unaligned
221: pointer on little endian ARM and MIPS.
222: MIPS unified syscall didn't compile anymore.
223: Put up new mipsel target to cross compile for little endian mips.
224: The mips target will again explicitly set endianness to big endian.
225: Compiling natively on a MIPS box should not touch the endianness.
1.230 fefe 226: Duh, when we removed return0, we broke tzset when the time zone parser
227: was disabled. Uwe Ohse noticed this. Thanks!
228: Fix gethostbyname to match host names case insensitively in /etc/hosts.
229: Oops, this was reported 6 weeks ago but I overlooked the email.
230: Thanks, Denis Rachal!
1.231 fefe 231: vsnprintf's zero termination was broken.
1.233 fefe 232: Uwe Ohse found a few more bugs:
233: Remove WANT_BUGGY_GLIBC_STRSEP. The Linux man page is broken, glibc
234: does it correctly.
235: Make inet_aton use strtoul instead of strtol
236: fdopen would close the file descriptor if it could not malloc the
237: buffer.
238: strftime updates.
239: Make _FILE_OFFSET_BITS includes -Wundef clean
240: Andre found a typo in endian.h for big endian mips
1.234 fefe 241: Ryan told me that fmod was not included in libm. Oops.
1.235 fefe 242: strstr(whatever,"") returned NULL, not whatever. Found by a new test
243: suite entry for strstr that I wrote.
1.245 fefe 244: Thomas Ogrisegg suggested or sent patches for the following:
1.236 fefe 245: add <asm/sigcontext.h> for profiling support.
246: make strncpy a #define in string.h to save a few bytes.
1.241 fefe 247: an i386 assembler getenv implementation (roughly half the size)
248: add grantpt, ptsname, unlockpt
1.236 fefe 249: add a getenv test suite entry.
1.238 fefe 250: Andre contributed an ARM assembler md5 implementation and he fixed mmap
251: on ARM.
252: add glibc macro names in sys/reboot.h. Mentioned by Laurent G. Bercot
1.239 fefe 253: getservent_r did not parse lines without aliases. Thanks, Jaroslav
254: Macodiseas!
1.240 fefe 255: fix MIPS start code (argv[0] was always corrupt)
1.241 fefe 256: removed annoying -Wconversion gcc switch
1.242 fefe 257: add -v to diet.c and fix MIPS CFLAGS in diet. Thanks, Johannes Stezenbach
1.243 fefe 258: Kurt Garloff sent these diffs:
259: add fdatasync (and make it a pthread cancellation point)
260: numerous alpha issues, like using .quad instead of .long for
261: offsets, change strip to -strip in Makefile (so a failing strip does
262: not abort the make), try to be more friendly to the gcc 2.96 that
263: SuSE 7.1 AXP ships with.
1.224 fefe 264:
1.209 fefe 265: 0.14:
1.224 fefe 266: fix brk again (missing __brk, trivial oversight)
1.210 fefe 267: a new i386/atol.S that is 4 bytes smaller (and faster, too!). Thanks,
268: Thomas Ogrisegg!
1.211 fefe 269: Thomas also contributed a PA-RISC port including testandset, so
270: libpthread will work once we implement clone! Great work, Thomas.
1.212 fefe 271: made the fake locale more believable.
272: If you need gettext, use http://www.ca.postgresql.org/~petere/gettext.html
1.213 fefe 273: moved _exit into the unified syscall on x86.
1.214 fefe 274: Uwe Ohse found many more bugs:
275: getpass EINTR handling, ttyname, sysconf_cpus with SLASH_PROC_OK,
276: liblatin1 was more or less completely broken if you gave it chars as
277: arguments, not ints (signedness). execvp had a buffer overflow in
278: case a PATH element exceeded PATH_MAX, but it's not a security
279: problem since setuid programs need to set their path to some known
280: value anyway.
1.219 fefe 281: hasmntopt did not work with foo=bar style options
1.217 fefe 282: Uwe also improved ftw's stack usage.
1.214 fefe 283: Put movl instead of popl rationale in comment in i386/unified.S since
284: three people have suggested saving a few bytes with popl now ;)
1.215 fefe 285: I discovered __attribute__((malloc)) and started using it. For gcc 3,
286: it improves the optimizer when functions return malloced pointers.
1.216 fefe 287: Steven Rostedt pointed out that my setvbuf was broken with regard to
288: size==0 and sent a patch to fix it.
1.218 fefe 289: Thomas Ogrisegg made setenv smaller.
1.220 olaf 290: Olaf: implemented the parisc clone and an atomic testandset, modified the
291: libpthread to respect the parisc UPgrowing stack. still non functional,
292: because the unified syscall uses errno :(
1.221 fefe 293: tcgetospeed read from the wrong termios field. Thanks, Gunnar Ritter!
1.222 fefe 294: Fixed asprintf (relied on vsnprintf(NULL,...) to return length but
295: don't write anything which was no longer the case. It also
296: allocated one byte unnecessarily, which Uwe Ohse found.
1.223 fefe 297: Fix ttyname (readlink does not \0-terminate, forgot to do that).
1.209 fefe 298:
1.193 fefe 299: 0.13:
1.194 fefe 300: add readdir64 and automatic mapping if _FILE_OFFSET_BITS == 64
1.199 fefe 301: make diet not include the linker safeguard stuff when preprocessing
1.207 fefe 302: Olaf: port to S/390!
1.196 leitner 303: me: fix vfork (it was put into dietlibc.a twice)
1.197 leitner 304: res_query did not initialize last
1.199 fefe 305: diet (not diet-dyn, of course) now adds -static to the gcc command line
1.198 leitner 306: fixed fflush on input streams (tic from ncurses exposed this)
1.199 fefe 307: duh, there is an alarm system call, too, so we use it and not setitimer
1.200 fefe 308: fix comparison in gmtime_r that caused Jan 1 to be converted to Dec 32.
1.201 fefe 309: rewrote __dtostr (it also has one more argument now)
1.205 fefe 310: Thanks to Erik Troan for bringing these to my attention:
1.204 fefe 311: make putenv behave like glibc (putenv("HOME") == unsetenv("HOME"))
312: fix strncat for the case where n == 0 (security implications?)
313: fix bsearch (it didn't find the very last element in the array, same
314: bug in both the C and the i386 assembly version).
1.205 fefe 315: fixed FNM_PATHNAME in fnmatch
1.204 fefe 316: fix brk (the syscall was documented incorrectly in the Linux man page)
317: Thanks, Thomas Ogrisegg!
1.205 fefe 318: added negated character classes to fnmatch (not required by POSIX)
1.206 fefe 319: make the utmp routines open utmp read-only if read-write doesn't work.
1.208 fefe 320: remove syscalls.c directory, it is obsolete now with unified syscalls
1.193 fefe 321:
1.164 fefe 322: 0.12:
323: more contributions from Frank Klemm.
1.165 fefe 324: iconv can now do UCS-2, too.
1.167 fefe 325: Imported several x86 assembly routines from Wouter van Kleunen.
1.166 fefe 326: Lots of bug fixes, and several more i386 specific versions of common
327: routines to make them smaller.
1.168 fefe 328: add memmem (a GNU extension that looks useful)
1.170 fefe 329: several changes from Michal Ludvig: inttypes.h gets C99 macros,
1.168 fefe 330: add pivot_root syscall, %n for *scanf.
1.169 fefe 331: add adjtimex (thanks, Laurent BERCOT)
1.171 fefe 332: add Frank Klemm's optimized md5
1.172 fefe 333: add -Os option to diet (see diet.1).
1.173 fefe 334: several IPv6 constants and HZ were missing, thanks Johannes Kloos.
1.174 fefe 335: add 32-bit uid/gid syscalls.
1.175 fefe 336: add rand48 (thanks, Johannes Kloos)
1.176 fefe 337: fixed a lot of bugs in getopt* (thanks, Johannes)
1.177 fefe 338: add strxfrm and tweak limits.h. glib-1.3.8 now compiles without changes.
339: add a few more module syscalls. modutils-2.4.9 now compiles without changes.
340: fix gethostent alias list termination. Major oops.
1.178 fefe 341: add execle and two DNS constants (from Johannes Kloos).
1.179 fefe 342: opendir did not close-on-exec (thanks, Laurent Bercot).
1.180 fefe 343: DNS will now properly signal errors and set h_errno.
344: A few more cleanups (thanks, Andreas Jabs and Matthias Andree).
1.181 fefe 345: Added an uber-cool linker safeguard feature! Idea by Matthias Andree.
346: If you enable WANT_SAFEGUARD in dietfeatures.h, diet will include an
347: external reference to a symbol that is only in the diet libc. So,
348: when you accidentally link a diet libc compiled object file against
349: glibc, the linker will barf. This will bloat your object files, but
350: you can remove all the references with "strip -R .note" from
351: the binaries in the end (which you should do anyway).
1.182 fefe 352: fix ARM unified syscall (select did not work).
1.183 fefe 353: add getpwent_r ala glibc and replace getpwent
354: do the same for getgrent and getspent
355: remove entlib (new code is smaller)
1.184 fefe 356: rewrite getserv* to use parselib (and provide ..._r, too)
1.185 fefe 357: add getpwnam_r and getpwuid_r
1.186 fefe 358: rewrite getproto* to use parselib (and protive ..._r, too)
1.187 fefe 359: Olaf muddled with the dynamic linker. It's a clean-room
360: implementation in the sense that it once worked for Olaf in a clean
361: room ;)
1.188 fefe 362: add if_nameindex and if_freenameindex.
363: fixed arm unified syscalls to work with current binutils (; is no
364: longer a line separator but starts a comment, switched to .macro)
1.189 fefe 365: changed all st_[cma]time types to signed long so comparisons against
366: LONG_MIN will work correctly. (GNU tar does this)
1.190 fefe 367: fixed two bugs regarding ungetc.
368: add getusershell, setusershell, endusershell (for vs_ftpd)
369: add prctl, dirfd (also for vs_ftpd)
1.191 fefe 370: fixed strftime (was completely hosed)
1.192 fefe 371: added real make install target
1.164 fefe 372:
1.115 fefe 373: 0.11:
374: fix major oops in DNS routines (only with WANT_FULL_RESOLV_CONF enabled).
1.116 fefe 375: fix vsscanf bug (Thanks, David Chappell).
1.117 fefe 376: add floor, ceil and memchr prototypes.
377: add __builtin_expect and expect #defines for gcc versions below 3.0
1.118 fefe 378: cleaner errno vs __errno_location handling
379: add placeholder iconv (iconv_open will always return EINVAL)
380: try to remove kernel 2.4 header dependency in IPv6 sockaddr_in6
381: initialization of getaddrinfo.
1.119 fefe 382: fix vsnprintf %X (printed lower case)
1.120 fefe 383: I wrote a new getopt. It appears to actually work (it is POSIX
384: compliant, it does not sort argv like the GNU version) and is only
385: a little over 300 bytes on x86.
1.121 fefe 386: Guillaume Cottenceau just wrote me that strncat should be even more
387: broken than it already is: it should append n bytes AND THEN \0!
388: I wonder how many programmers have produces off-by-one errors here...
1.122 fefe 389: Fix regexec offset return. autoconf now believes that diet libc has
390: POSIX regular expressions.
1.123 fefe 391: Fix fnmatch (a/b/* matched a/b/c/d even if FNM_PATHNAME was set)
1.124 fefe 392: Fix regular expression match for x* when there is no x at all.
1.125 fefe 393: Fix memory leak in error case in gethostbyname(2|). Thanks, Dietz Pröpper.
1.126 fefe 394: Add %h to vsnprintf.
1.127 fefe 395: Add FAQ.
1.128 fefe 396: Make %h work for signed numbers and add %hh to vsnprintf.
397: initgroups ignored the group argument :-(
398: remove printf references and nested functions from glob.
1.129 fefe 399: added an errno in libpthread that will display a prominent linker
400: warning.
1.131 fefe 401: started getting rid of kernel headers. Big task! :-(
1.130 fefe 402: add res_mkquery. The diet libc can now compile and link mtr.
1.132 olaf 403: Olaf: added a lot of code in libdl (not yet complete), changed the
404: startup code to make it work with his libdl and ld.so (needs still work
405: too)
1.134 fefe 406: __dns_readstartfiles only took the first domain or search path.
407: Thanks, Anthony de Boer
1.133 olaf 408: Olaf: added clone and a new unified_syscall for PowerPC
409: also dynlinker is now available (i386 only at this time)
1.135 fefe 410: crufted together a stdarg.h implementation from the various gcc headers.
1.136 fefe 411: implement getopt_long (ugh, the GNU people need professional help)
1.137 fefe 412: fixed word delimiters in regex (they looked for space, i.e. "," did
413: not work as delimiter)
1.138 fefe 414: errno.h now declares sys_errlist and sys_nerr.
1.143 fefe 415: added mkdtemp.
1.142 fefe 416: Uwe Ohse reported all of the following bugs:
417: ttyname should return 0 if !isatty.
418: realpath returns NULL if "." cannot be opened
419: putenv erroneously accepted (and mishandled) entries without "=".
420: popen returned 255 instead of 127 if /bin/sh could not be run.
421: fgetc did not set the internal EOF indicator on EOF.
422: bsearch contained an assumption about integer arithmetic overflow
423: behavior.
424: system did not set SIGCHLD and thus contained a race.
425: popen did not set close-on-exec and could leak an fd on malloc error.
1.147 fefe 426: daemon did not check whether open returns an fd below 3
427: perror did not save errno.
1.144 olaf 428: Olaf: Peter Jones reported some problems with perror; strerror had the
429: same problem.
430: Peter also posted a patch to atexit/exit. With some modifications it is
431: now implemented.
1.145 fefe 432: Unbuffered stdio and ungetc can no longer be disabled. I will try to
433: implement part of it using ELF weak symbols.
1.146 fefe 434: Added minimal sysconf (tehe) from David Chappell.
1.148 fefe 435: Added overflow handling for strtoul and strtol.
1.149 fefe 436: Added WANT_ETC_HOSTS in dietfeatures.h and made gethostbyname/2 use
437: it before falling back to DNS if enabled.
1.150 fefe 438: Added a littie backwards compatibility cruft for gpm (man, do these
439: sources stink!)
1.151 fefe 440: Added openpty.
1.152 fefe 441: Squeeze a few bytes off the is* routines, courtesy of Peter Jones.
1.154 fefe 442: Fix fseek return value.
1.155 fefe 443: Add dirname and basename.
1.156 fefe 444: Add a few i386 math routines contributed by Frank Klemm.
1.157 fefe 445: Fixed getservent (did not allow _ and - in the aliases).
446: Thanks, Oden Eriksson
1.158 fefe 447: Added a float.h so configure believes we have ANSI header files.
448: Fix a lot more stdio bugs that Uwe Ohse pointed out.
1.162 fefe 449: Olaf: has added a new scanf and printf core that is suitable for all
1.159 olaf 450: scanf and printf function implementations
1.160 fefe 451: Imported a few more functions and optimizations from Frank Klemm (he
452: also rewrote dtostr to have more precision)
1.161 olaf 453: Olaf: checked in a new sig* function family (based on rt_sig*).
454: legacy <2.2 signal-handling doesn't work at the moment.
1.163 fefe 455: Made rudimentary iconv that can convert back and forth between
456: iso-8859-1, utf-8 and ucs-4 (for debugging).
457: Thanks to Markus Kuhn for the excellent utf-8(7)!
1.115 fefe 458:
1.74 fefe 459: 0.10:
460: update getpagesize.
461: add personality.
1.75 fefe 462: add "%*s" and "%*.*s" support to vsnprintf.
1.76 fefe 463: add putchar (apparently arm-linux-gcc will substitute printf("\n")
464: with putchar('\n') behind your back...?!
1.77 fefe 465: import include/scsi/ from glibc.
1.78 fefe 466: add iopl.
1.80 fefe 467: add execl and sigdelset prototypes.
468: add getopt_long stuff to getopt.h (may compile but won't link).
1.81 fefe 469: add RPC headers (no code yet).
1.82 fefe 470: add mlockall, munlockall
1.83 fefe 471: make "diet gcc foo.c" work.
472: added Sun RPC code and removed as many warnings as possible in a
473: heroic act of self-mutilation.
474: added getproto* and getdtablesize for the RPC cruft :-(
1.84 fefe 475: added getpass. mount from util-linux actually compiles now!
476: fix the sig*set routines. mount actually works now *bg*
477: fix fwrite dividing by zero when trying to fwrite n records of size 0.
1.85 fefe 478: added an initial regex implementation (3500 bytes!!!).
1.87 fefe 479: add llseek and lseek64 with optional lseek fall-back.
1.88 fefe 480: add res_init.
481: add asprintf (ugh, what an ugly function).
1.89 fefe 482: expanded arpa/nameser.h to include backwards compatibility defines
1.90 fefe 483: add ut_name alias to ut_host in struct utmp.
484: add inet_ntop, inet_pton, gethostbyname2.
1.92 fefe 485: add sysinfo, recvmsg, sendmsg.
1.93 fefe 486: add endmntent, getmntent, setmntent.
1.94 fefe 487: fix fnmatch (thanks, Guillaume Cottenceau!)
1.96 fefe 488: add setenv.
489: remove __restrict from mntent.h, add __restrict__ removal alias for
490: older gcc versions in sys/cdefs.h.
491: add rlim_t, sig_atomic_t declarations.
492: add sigsetjmp #define for __sigsetjmp (oops).
493: (Thanks to Chris Siebenmann for these three bug reports)
1.97 fefe 494: add a gruesome hack to printf floating point to accept %f and kludge
495: together support for %.2f. Don't look at the code, please!
1.98 fefe 496: fixed tcsetpgrp (oops, this is embarassing! Thanks, Chris Siebenmann)
1.99 fefe 497: imported fix for entlib by Jeff Garzik.
1.100 fefe 498: add glob implementation from Guillaume Cottenceau (Thanks!!)
499: add libdl fragments from Olaf (Yeah! One step closer to dynamic linking!)
1.101 fefe 500: add REG_ICASE and word start/end handling to my regular expressions.
501: my regular expressions now actually match substrings (i.e. "foobar" to "bar").
1.102 fefe 502: wrap getcwd to comply to man page (the syscall returns the number of
503: bytes, not the buffer)
504: add realpath.
1.103 fefe 505: fix vfprintf.
1.104 fefe 506: fix *scanf %s zero termination.
507: add abs, labs, llabs.
1.105 fefe 508: add <sys/io.h>, ioperm syscall.
509: add flock to <sys/file.h>
1.106 fefe 510: fixes to bsearch and the regular expressions.
1.107 fefe 511: add fake herror.
1.108 fefe 512: add scandir and alphasort.
1.109 fefe 513: add killpg
1.110 fefe 514: implemented a gross hack to make libpthread compile when
515: dietfeatures.h does not define WANT_THREAD_SAFE (it's empty then).
1.111 fefe 516: add getaddrinfo and freeaddrinfo (man, what a fucked up interface!)
1.112 fefe 517: fix sigsuspend (syscall had completely fscked up arguments!)
1.113 fefe 518: RLIM_INFINITY from the kernel is broken. Thanks to Chris Siebenmann
519: for sending a patch.
1.114 fefe 520: add getserv*.
521: add WANT_FULL_RESOLV_CONF so that the DNS routines use "domain" and
522: "search" from resolv.conf.
1.74 fefe 523:
1.73 fefe 524: 0.9:
1.65 fefe 525: fixed initgroups (oops)
1.66 fefe 526: Cleanup appending file open for stdio (thanks, James Antill)
527: imported vfprintf fix from James Antill.
1.67 fefe 528: add fnmatch
529: change index, rindex and bcmp as weak ELF symbols (were #defined before)
1.68 fefe 530: Olaf added character classes to *scanf.
1.69 fefe 531: Put object and library files into a separate directory (bin-$ARCH).
532: Add "cross" make target to make all architectures.
533: Add "diet" program and man page.
1.70 fefe 534: Add getgrnam, getgrgid
1.71 fefe 535: Add cfmakeraw (Thanks, Antonio Musumeci)
1.72 fefe 536: localtime won't call gettimeofday when the tzfile parser is used.
1.65 fefe 537:
1.64 fefe 538: 0.8:
1.34 fefe 539: vsnprintf(0,...) estimated the length of strings with a padding width
540: incorrectly.
1.35 fefe 541: new reboot() from Olaf.
1.36 fefe 542: added prototypes for getsockopt and setsockopt.
1.39 fefe 543: added experimental sem* and shm*
1.38 fefe 544: define EXIT_SUCCESS and EXIT_FAILURE
1.40 fefe 545: added setvbuf (only changes mode, not buffer)
1.41 fefe 546: added dietwarning.h (woohoo, linker warnings!) and used it to warn of
547: insecurity (system, sprintf) or bloat (printf and stdio).
1.42 fefe 548: added qsort() and bsearch(). Benchmark on 1000 random ints:
549: glibc: 679414 cycles qsort and 3352 cycles bsearch
550: diet libc: 300010 cycles qsort, 553 cycles bsearch
551: I have no idea why glibc is so slow.
1.43 fefe 552: added __isnan (references by libm.a from glibc).
553: added popen() and pclose(). Now the diet libc can link slsh (from
554: S-Lang!)
1.44 fefe 555: corrected usleep. It was more of an msleep until now.
1.45 fefe 556: corrected __dtostr (it looped when trying to format "0.0").
557: several fixes to stdio (thanks to S-Lang's excellent test suite!)
1.46 fefe 558: added ungetc (does it work?)
1.47 fefe 559: added inet_aton (yuck!)
1.50 fefe 560: added gethostbyname, gethostbyaddr, gethostbyname_r and gethostbyaddr_r
1.48 fefe 561: added h_errno and __h_errno_location
562: added inet_ntoa
1.49 fefe 563: added setpgrp and getpgrp, strsignal and execv (thanks, Olaf)
1.51 fefe 564: add bcopy, index, rindex macros
565: add isgraph and isxdigit
1.52 fefe 566: add strftime (ugh!!!)
1.53 olaf 567: Olaf fixed strftime, gmtime_r leap year bug.
1.54 fefe 568: Jeff Garzik contributed a spec file. I put it in contrib and hope
569: everbody knows what to do with it...
570: Olaf checked in a ton of libpthread stuff.
1.55 fefe 571: added mkstemp using /dev/urandom (harder to guess than getpid()).
1.56 fefe 572: add large file backwards compatibility support (so gzip will run on
573: kernel 2.2 and 2.0)
1.57 fefe 574: added shutdown
1.58 fefe 575: added nice
576: added pseudo-locale support for is* (they are now weak aliases,
577: isupper -> __isupper_ascii etc). So, for example, liblatin1 can
578: overwrite the default is* functions.
1.59 fefe 579: added liblatin1.a
1.60 fefe 580: added tzfile implementation (does it work for anyone else?)
1.61 fefe 581: added syslog(3) (thanks to Rene Müller!)
1.62 fefe 582: Jeff Garzik contributed getgr*, getpw* and getsp* in one tiny package.
583: Thanks!
1.63 fefe 584: merged duplicate code in execv and execvp into exec_lib.o
1.34 fefe 585:
1.21 fefe 586: 0.7.2:
587: added several prototypes to already implemented functions and
588: <sys/reboot.h>. Thanks for Abraham for pointing this out.
1.22 fefe 589: added prototypes for process group and dup syscalls. Thanks to
590: Abraham again. He also contributed an implementation for daemon(),
591: an ugly BSD hack. I decided to diversify the lib/ directory a
592: little and now created a libugly/ directory for stuff like system()
593: and daemon() ;-)
594: added libstdio and moved all that stdio crap from lib/ there. The
595: idea is to start separating now what we will separate for shared
596: libraries anyway.
1.26 fefe 597: optimized x86 unified-syscall by Olaf.
1.27 fefe 598: added limits.h, removed __ARCHBITS from endian.h (use __WORDSIZE from
599: limits.h instead)
600: added remove.c and enough cruft to limits.h to make it compile lzo,
601: lzop and bzip2.
1.28 fefe 602: added mktime, asctime_r, asctime and ctime (needed for gzip).
603: Someone will need to implement a reader for the glibc localtime file
1.31 fefe 604: format some day (man tzfile, ugh!) :-(
1.29 fefe 605: added unlink prototype to unistd.h.
606: added gmtime and gmtime_r.
1.31 fefe 607: fixed sparc unified syscall error handling (please upgrade!).
1.30 fefe 608: removed readdir glibc compatibility cruft.
1.31 fefe 609: removed stat glibc compatibility cruft.
1.32 fefe 610: oops, my fread was broken for pipes.
1.33 fefe 611: Olaf found a bug in pipe() for sparc, too.
1.21 fefe 612:
1.9 fefe 613: 0.7.1:
1.11 fefe 614: optimized away the static arrays from __ltostr and __lltostr.
615: optimized away the static arrays (and more!) from strtoul and strtoull.
616: added system (by Olaf).
1.12 fefe 617: added tolower and toupper
1.13 fefe 618: added getopt from Olaf (~600 bytes on x86!)
1.14 fefe 619: added clone for mips (by Olaf).
620: fixed longjmp and setjmp on sparc not to require glibc include files.
1.15 olaf 621: added pause for all (by Olaf).
1.17 fefe 622: added __attribute__ ((__const__)) to ctype.h
1.16 fefe 623: added isupper and islower.
624: added putc and putchar as macros.
1.17 fefe 625: added strcasecmp and strncasecmp (thanks to Abraham vd Merwe for
626: insightful discussions and patches I partially used for the last three)
1.18 fefe 627: added getpriority and setpriority (also by Abraham)
1.19 fefe 628: oops, I broke strtoul in a recent optimization attempt.
1.20 fefe 629: oi, setjmp and longjmp were broken on other platforms, too!
630: Thanks to Sébastien Côté for reporting this.
1.9 fefe 631:
632: 0.7:
1.6 olaf 633: clone support for i386,alpha,arm and sparc by Olaf.
1.1 cvs 634: Initial dynamic loading glue for i386, also by Olaf.
635: We don't have a dynamic loader yet, so this is not yet usable.
636: added readv, sigdelset, sigaltstack, sigfillset, sigismember, usleep,
637: vsprintf, writev, all by Olaf.
1.2 fefe 638: imported readdir fix from Guillaume. Mhh, can the kernel interface
639: really be this broken?
1.3 fefe 640: Found a kludgy way to detect whether the kernel includes define struct
641: stat64 (they also define STAT64_HAS_BROKEN_ST_INO). If this does
642: not work for you, please tell me!
1.4 fefe 643: Removed bogus __seek_types enum, it's a bunch of #defines now.
1.7 fefe 644: Fixed stdio line buffering. The code was already there but I forgot
645: to mark stdio and stdout as line buffered. This should really be
646: done dynamically using isatty, though.
1.8 fefe 647: Removed superfluous "if (1)" in execvp.c
1.1 cvs 648:
649: 0.6.14:
650: *scanf did not append the 0 byte for %s.
651: added creat and changed creat to call open directly instead of open64.
652: did for fread what 0.6.10 did for fwrite.
653: repaired buffered stdio a little (line buffering is still not
654: supported).
655: [All of these bugs have been reported by Guillaume. Thanks!]
656: added __pure__ to strchr and strrchr in <string.h>
657:
658: 0.6.13:
659: included COPYING to make clear that the diet libc is covered by the
660: GNU General Public License (and _not_ the LGPL). That means that
661: you need to obtain a license from me if you want to use the diet
662: libc in a proprietary program that you want to distribute.
663: The x86 unified syscall swapped arguments #4 and #5 and noone
664: noticed until now! Thanks to Guillaume Cottenceau for reporting
665: this!
666: The malloc had a subtle bug with small allocations that could cause
667: segfault. Guillaume reported it, Olaf fixed it.
668:
669: 0.6.12:
670: added assert, statfs and fstatfs
671: added include/net/if.h so fget compiles again.
672:
673: 0.6.11:
674: added putenv.
675:
676: 0.6.10:
677: fixed fwrite. It returned the number of bytes written, not the number
678: of records. Thanks to Albert D. Cahalan for pointing this out.
679: fixed fgets. It returned EOF on empty lines. Thanks, Erik Frey.
680: added brk and sbrk. harold@nb.com.sg made me do it.
681:
682: 0.6.9:
683: fixed execvp not to return on ENOENT
684: did for {open|read|close|seek|tell}dir what I did for stat before.
685: The glibc compatibility part is currently non-functional.
686: fixed white space handling in sscanf " (" would not match " (".
687: fixed printf to accept 'l' flag.
688: fixed getpwuid (ignored last line)
689:
690: 0.6.8:
691: Olaf contributed initial thread-safe syscalls for i386, alpha, sparc,
692: mips and arm. I did the one for ppc. They can be enabled in dietfeatures.h.
693: added strlcpy and strlcat from OpenBSD.
694: added stat64, fstat64 and lstat64.
695: added endian.h and made ending of strlen.c endianness-aware
696: added string routines size tweak to dietfeatures.h. Most of the
697: string routines have been unrolled. This is up to three times as
698: fast but creates up to three times larger code. Now you can disable
699: the unrolling.
700: added sendfile.
701: I also added pread. It works on x86 and sparc but not on ppc and mips.
702: I have no idea what's going on. strace disagrees with the kernel.
703: Can anyone help? I asked the Linux kernel mailing list for help, too.
704: added a few aliases of the type __libc_open for open. nm on
705: libpthreads.so indicates that we will need them.
706:
707: 0.6.7:
708: the sources now compile without warnings with -Wall.
709: printf now prints "(null)" when %s is passed NULL. This can be
710: removed with WANT_NULL_PRINTF in dietfeatures.h
711: added vfprintf, execl, ttyname.
712: stat, lstat and fstat are now #defined to __dietstat, __dietlstat and
713: __dietfstat so they can use the normal kernel struct stat.
714: stat, lstat and fstat are now C wrappers that convert to the glibc
715: struct stat. So we can avoid that overhead for programs that use
716: dietlibc headers.
717:
718: 0.6.6:
719: changed the Makefiles so you can now set CFLAGS on the command line
720: added memccmp (analogous to memccpy) and strncmp.
721: Olaf fixed another bug in the sparc unified syscall.
722: Paul Clifford contributed a C version of his strlen.S that is much
723: more efficient than the previous strlen on all platforms! It also
724: looks like technology from Roswell. ;-}
725: added a "real" stdio. Well, almost. Please contribute!
726: added dietfeatures.h so you can remove features you don't need.
727: removed debug code from vsnprintf that changed \0 to ' ' (argh!).
728: stdio now works with simple programs and minigzip from libz.
729: stdio uses some major trickery to avoid linking the stdio, stderr and
730: stdout (and reserving space for them) when they are not used.
731:
732: 0.6.5:
733: Red Plait <redplait@ixcelerator.com> found several bugs in diet libc,
734: most of them bugs in the new header files, but also missing sigset
735: functions.
736: Paul Clifford contributed an assembly strlen.S for ARM and fixed
737: several bugs.
738: Fixed ppc/setjmp and mips/pipe.
739: Olaf contributed a new sparc unified syscall.
740:
741: 0.6.4:
742: declared is* static inline in getservent.
743: added assert_fail, strtoul, isalpha, isdigit, isalnum, isascii.
744: changed strlen to return 0 when passed NULL.
745: new, much smaller unified syscall for MIPS. Thanks to Olaf the Mad
746: Scientist who actually implemented this without access to a MIPS
747: box, just from reading the architecture manual. And it worked out
748: of the box.
749: started a set of system includes, mainly so that I can use lcc and
750: my alpha-linux cross compiler (which is unable to cross-compile
751: glibc). diet libc can now be compiled without any include files
752: from a normal libc. The includes do declare more than diet libc
753: currently delivers and they are still far from complete for real
754: applications.
755: I will only add assembly versions that are smaller _and_ faster than
756: the C version. Larger routines are only accepted if they are called
757: very often and are substantially faster.
758: added i386 assembly strchr, which is smaller and faster than the old
759: version. It is, however, larger than the version contributed by
760: proton (thanks, anyway).
761: added i386 strlen (31% faster, 14% smaller)
762: "make t" will now create a map file called "mapfile".
763:
764: 0.6.3:
765: added sys_errlist, strerror and perror
766: added isblank
767: added atol
768:
769: 0.6.2:
770: mmap for ARM didn't compile. Thanks, Paul!
771:
772: 0.6.1:
773: split mmap into the architecture specific subdirectories.
774: getenv now copes with environ==NULL, thanks Paul Clifford.
775: Paul also contributed a smaller ARM startup code.
776:
777: 0.6:
778: strcat returned the wrong result. Thanks, Dietz Pröpper.
779: strtod now understands a negative exponent (oops, thanks Bertram Barth)
780: Port to arm-linux-gnu, but on the Netwinder I use for testing the
781: __dtostr does not work (I have no idea why!)
782: The MIPS port now uses (much smaller) non-PIC code. That means that
783: the applications you link against diet libc also have to be compiled
784: non-PIC. I suggest copying the CFLAGS from the diet libc Makefile.
785: Thanks to Ralf Bächle for helping me with this!
786: I made subdirectories for the architectures and use VPATH to override
787: VPATH so that make finds the source file automatically. That should
788: simplify the sources greatly.
789: Olaf Dreesen contributed Alpha support including setjmp and longjmp!
790: ARM and MIPS now also have setjmp and longjmp
791: "compile" and "load" are now make targets. Use them for djb programs.
792: added contrib/elftrunc.c which will remove unnecessary ELF headers.
793: Again, contributed from Olaf. Great work!
794:
795: 0.5.12:
796: printf also does signed numbers.
797: If you don't use atexit, dietlibc now does not link exit, only _exit.
798: *printf now correctly returns the number of bytes written.
799: Olaf contributed experimental sscanf and vsscanf implementations.
800: If passed NULL as buffer, snprintf will not write anything but still
801: return the number of bytes it would have written.
802: Initial MIPS port! (Oh, the agony!)
803: No setjmp and longjmp support yet! Please contribute!
804: I even implemented unified syscalls for MIPS. Still, MIPS code is
805: almost twice the size of SPARC code. If anyone knows why: please
806: tell me!
807:
808: 0.5.11:
809: I implemented new unified syscalls for x86, sparc and ppc, this time based
810: on .s files and not .c files, and I moved the syscalls into
811: subdirectores to clean the dietlibc sources up a little.
812: A binary consisting of printf("%s is %d\n","olaf",23) is now
813: 2864 bytes on sparc
814: 2488 bytes on intel
815: I kludgily implemented fprintf(stdout,... and fprintf(stderr,...
816: to make a few more applications work.
817: Olaf Dreesen also implemented some unified syscall stuff for x86.
818: He discovered that with our unified syscall interface it actually
819: costs <10 bytes total to make all system calls thread safe!
820: I implemented atexit() (can register up to 4 callbacks).
821: I implemented strtod and __dtostr (the opposite). Now we can add
822: floating point support to vsnprintf and sscanf!
823:
824: 0.5.10:
825: I actually saw that I can not only merge the errno handling code of
826: the system calls on x86, I can also merge the rest (including the
827: arguments) except for setting the system call number. All those
828: system calls are now just a jump to a unified system call handler.
829: I got rid of x86openclose again. The savings are substantial:
830: chown from embutils went from 7664 to 7184 bytes!
831: If I'd move the system call wrappers to assembly language, I could
832: even reduce the alignment (does not matter since it's just a jump
833: anyway) and get rid of the "ret" behind each jump (one byte per
834: system call!)
835:
836: 0.5.9:
837: added memchr, strpbrk, strstr, strtol, isspace (hehe)
838: fixed strdup
839: fixed return values for strcpy and strcat (thanks to Norbert Berzen)
840: Olaf Dreesen contributed a strtol and initial {sn|vsn|}printf implementation
841: (no signed integers, only strings and unsigned integers (but
842: supporting octal, hex and decimal). Thanks, Olaf! (by the way:
843: that code must be wonderful, I don't understand it at all *bg*)
844: Olaf's printf does understand padding like in "%08d" and "%8d" and
845: automatically pads pointers with '0'.
846: Rewrote the x86 start code, old: 22 instructions, new: 12 instructions.
847: Thanks to proton for inspiration on this.
848: The new x86 start code also does not reference exit any more, thus saving
849: 64 bytes for executables that don't call exit explicitly.
850: [insert maniacal laughter] EVERY BYTE COUNTS!1!! ;-)
851: Moved errno and environ to start.S, saving no byte binary size but
852: speeding up compilation and slightly shortening dietlibc.a ;-)
853: For x86: joined open and close into one assembler file, sharing the
854: errno handling. This is a feasibility test and it actually saves a
855: few bytes. I think I will reimplement the _syscall[1-6] macros on
856: all platforms now to share the errno handling code for them.
857:
858: 0.5.8:
859: fixed strchr to be able to look for 0.
860:
861: added _llseek, ftruncate, getpgid, getresgid, getresuid, getsid,
862: memccpy, memmove, mprotect, setregid, setresgid, setresuid, setreuid,
863: strncpy, swapon, truncate, strtok, strtok_r, strspn, strcspn (all
864: contributed by Olaf Dreesen)
865:
866: added execvp, getcwd
867:
868: fixed __xmknod
869:
870: Note: can it be that the ftw interface really is so broken that I
871: cannot implement it without having to implement some searching data
872: structure? I included an experimental ftw implementation that will
873: not follow symlinks.
874:
875: 0.5.7:
876: oops, if_nametoindex was broken!
877:
878: 0.5.6:
879: ported to ppc-linux.
880: fixed i386 sigsetjmp (I mistyped the function name)
881: included sigjmp.c
882:
883: 0.5.5:
884: added wait, sys_siglist, longjmp/setjmp/sigsetjmp for i386 and sparc
885: actually, it wasn't fork that wasn't working for sparc, it was pipe.
886: I fixed it now.
887: dietlibc/SPARC assumes -msupersparc (does not provide div, mul, etc)
888: fixed readdir to use getdents and not the intel inline asm
889:
890: 0.5.4:
891: ported to sparclinux (sparc32 only). Beware: does not work yet.
892: added raise, abort, readlink, strcat, geteuid, geteuid, wait3, access
893:
894: 0.5.3:
895: added tcsetattr and getenv to compile e3
896:
897: 0.5.2:
898: added vhangup, tcgetattr, isatty and memcmp for fgetty
899: (http://www.fefe.de/fgetty/)
900: added localtime from uC-libc.
901:
902: 0.5.1:
903: stat and friends actually work now. Yuck! Another case of
904: translation between kernel and userland. Why can't the kernel
905: people and the libc people simply agree on a standard?
906: removed many unnecessary includes to speed up compilation.
907: added -fomit-frame-pointer and i386 compilation target to reduce code size.
908: inlined socketcall to reduce code size.
909: "load" and "compile" are examples for djb code.
910:
911: 0.5:
912: Olaf Dreesen contributed a much smaller implementation of malloc and friends.
913: each object file is now treated with "strip -x -R .note -R .comment"
914: split each system call into a separate object file
915: added ntohs, htons, alarm, if_indextoname and if_nametoindex
916:
917: 0.4.1:
918: oops, the strchr implementation was wrong. Thanks Jens Laas!
919:
920: 0.4:
921: copied opendir and friends from uC-libc.
922: added getservent and getservby* in gerservent.c
923:
924: 0.3:
925: remove readdir system call
926: added getdents system call
927: added getpwnam/getpwuid implementation in getpwnam.c
928: added a few string functions (in str*.c)
929:
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