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