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