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Annotation of dietlibc/CHANGES, revision 1.136

1.115 fefe 1: 0.11:
2: fix major oops in DNS routines (only with WANT_FULL_RESOLV_CONF enabled).
1.116 fefe 3: fix vsscanf bug (Thanks, David Chappell).
1.117 fefe 4: add floor, ceil and memchr prototypes.
5: add __builtin_expect and expect #defines for gcc versions below 3.0
1.118 fefe 6: cleaner errno vs __errno_location handling
7: add placeholder iconv (iconv_open will always return EINVAL)
8: try to remove kernel 2.4 header dependency in IPv6 sockaddr_in6
9: initialization of getaddrinfo.
1.119 fefe 10: fix vsnprintf %X (printed lower case)
1.120 fefe 11: I wrote a new getopt. It appears to actually work (it is POSIX
12: compliant, it does not sort argv like the GNU version) and is only
13: a little over 300 bytes on x86.
1.121 fefe 14: Guillaume Cottenceau just wrote me that strncat should be even more
15: broken than it already is: it should append n bytes AND THEN \0!
16: I wonder how many programmers have produces off-by-one errors here...
1.122 fefe 17: Fix regexec offset return. autoconf now believes that diet libc has
18: POSIX regular expressions.
1.123 fefe 19: Fix fnmatch (a/b/* matched a/b/c/d even if FNM_PATHNAME was set)
1.124 fefe 20: Fix regular expression match for x* when there is no x at all.
1.125 fefe 21: Fix memory leak in error case in gethostbyname(2|). Thanks, Dietz Pröpper.
1.126 fefe 22: Add %h to vsnprintf.
1.127 fefe 23: Add FAQ.
1.128 fefe 24: Make %h work for signed numbers and add %hh to vsnprintf.
25: initgroups ignored the group argument :-(
26: remove printf references and nested functions from glob.
1.129 fefe 27: added an errno in libpthread that will display a prominent linker
28: warning.
1.131 fefe 29: started getting rid of kernel headers. Big task! :-(
1.130 fefe 30: add res_mkquery. The diet libc can now compile and link mtr.
1.132 olaf 31: Olaf: added a lot of code in libdl (not yet complete), changed the
32: startup code to make it work with his libdl and ld.so (needs still work
33: too)
1.134 fefe 34: __dns_readstartfiles only took the first domain or search path.
35: Thanks, Anthony de Boer
1.133 olaf 36: Olaf: added clone and a new unified_syscall for PowerPC
37: also dynlinker is now available (i386 only at this time)
1.135 fefe 38: crufted together a stdarg.h implementation from the various gcc headers.
1.136 ! fefe 39: implement getopt_long (ugh, the GNU people need professional help)
1.115 fefe 40:
1.74 fefe 41: 0.10:
42: update getpagesize.
43: add personality.
1.75 fefe 44: add "%*s" and "%*.*s" support to vsnprintf.
1.76 fefe 45: add putchar (apparently arm-linux-gcc will substitute printf("\n")
46: with putchar('\n') behind your back...?!
1.77 fefe 47: import include/scsi/ from glibc.
1.78 fefe 48: add iopl.
1.80 fefe 49: add execl and sigdelset prototypes.
50: add getopt_long stuff to getopt.h (may compile but won't link).
1.81 fefe 51: add RPC headers (no code yet).
1.82 fefe 52: add mlockall, munlockall
1.83 fefe 53: make "diet gcc foo.c" work.
54: added Sun RPC code and removed as many warnings as possible in a
55: heroic act of self-mutilation.
56: added getproto* and getdtablesize for the RPC cruft :-(
1.84 fefe 57: added getpass. mount from util-linux actually compiles now!
58: fix the sig*set routines. mount actually works now *bg*
59: fix fwrite dividing by zero when trying to fwrite n records of size 0.
1.85 fefe 60: added an initial regex implementation (3500 bytes!!!).
1.87 fefe 61: add llseek and lseek64 with optional lseek fall-back.
1.88 fefe 62: add res_init.
63: add asprintf (ugh, what an ugly function).
1.89 fefe 64: expanded arpa/nameser.h to include backwards compatibility defines
1.90 fefe 65: add ut_name alias to ut_host in struct utmp.
66: add inet_ntop, inet_pton, gethostbyname2.
1.92 fefe 67: add sysinfo, recvmsg, sendmsg.
1.93 fefe 68: add endmntent, getmntent, setmntent.
1.94 fefe 69: fix fnmatch (thanks, Guillaume Cottenceau!)
1.96 fefe 70: add setenv.
71: remove __restrict from mntent.h, add __restrict__ removal alias for
72: older gcc versions in sys/cdefs.h.
73: add rlim_t, sig_atomic_t declarations.
74: add sigsetjmp #define for __sigsetjmp (oops).
75: (Thanks to Chris Siebenmann for these three bug reports)
1.97 fefe 76: add a gruesome hack to printf floating point to accept %f and kludge
77: together support for %.2f. Don't look at the code, please!
1.98 fefe 78: fixed tcsetpgrp (oops, this is embarassing! Thanks, Chris Siebenmann)
1.99 fefe 79: imported fix for entlib by Jeff Garzik.
1.100 fefe 80: add glob implementation from Guillaume Cottenceau (Thanks!!)
81: add libdl fragments from Olaf (Yeah! One step closer to dynamic linking!)
1.101 fefe 82: add REG_ICASE and word start/end handling to my regular expressions.
83: my regular expressions now actually match substrings (i.e. "foobar" to "bar").
1.102 fefe 84: wrap getcwd to comply to man page (the syscall returns the number of
85: bytes, not the buffer)
86: add realpath.
1.103 fefe 87: fix vfprintf.
1.104 fefe 88: fix *scanf %s zero termination.
89: add abs, labs, llabs.
1.105 fefe 90: add <sys/io.h>, ioperm syscall.
91: add flock to <sys/file.h>
1.106 fefe 92: fixes to bsearch and the regular expressions.
1.107 fefe 93: add fake herror.
1.108 fefe 94: add scandir and alphasort.
1.109 fefe 95: add killpg
1.110 fefe 96: implemented a gross hack to make libpthread compile when
97: dietfeatures.h does not define WANT_THREAD_SAFE (it's empty then).
1.111 fefe 98: add getaddrinfo and freeaddrinfo (man, what a fucked up interface!)
1.112 fefe 99: fix sigsuspend (syscall had completely fscked up arguments!)
1.113 fefe 100: RLIM_INFINITY from the kernel is broken. Thanks to Chris Siebenmann
101: for sending a patch.
1.114 fefe 102: add getserv*.
103: add WANT_FULL_RESOLV_CONF so that the DNS routines use "domain" and
104: "search" from resolv.conf.
1.74 fefe 105:
1.73 fefe 106: 0.9:
1.65 fefe 107: fixed initgroups (oops)
1.66 fefe 108: Cleanup appending file open for stdio (thanks, James Antill)
109: imported vfprintf fix from James Antill.
1.67 fefe 110: add fnmatch
111: change index, rindex and bcmp as weak ELF symbols (were #defined before)
1.68 fefe 112: Olaf added character classes to *scanf.
1.69 fefe 113: Put object and library files into a separate directory (bin-$ARCH).
114: Add "cross" make target to make all architectures.
115: Add "diet" program and man page.
1.70 fefe 116: Add getgrnam, getgrgid
1.71 fefe 117: Add cfmakeraw (Thanks, Antonio Musumeci)
1.72 fefe 118: localtime won't call gettimeofday when the tzfile parser is used.
1.65 fefe 119:
1.64 fefe 120: 0.8:
1.34 fefe 121: vsnprintf(0,...) estimated the length of strings with a padding width
122: incorrectly.
1.35 fefe 123: new reboot() from Olaf.
1.36 fefe 124: added prototypes for getsockopt and setsockopt.
1.39 fefe 125: added experimental sem* and shm*
1.38 fefe 126: define EXIT_SUCCESS and EXIT_FAILURE
1.40 fefe 127: added setvbuf (only changes mode, not buffer)
1.41 fefe 128: added dietwarning.h (woohoo, linker warnings!) and used it to warn of
129: insecurity (system, sprintf) or bloat (printf and stdio).
1.42 fefe 130: added qsort() and bsearch(). Benchmark on 1000 random ints:
131: glibc: 679414 cycles qsort and 3352 cycles bsearch
132: diet libc: 300010 cycles qsort, 553 cycles bsearch
133: I have no idea why glibc is so slow.
1.43 fefe 134: added __isnan (references by libm.a from glibc).
135: added popen() and pclose(). Now the diet libc can link slsh (from
136: S-Lang!)
1.44 fefe 137: corrected usleep. It was more of an msleep until now.
1.45 fefe 138: corrected __dtostr (it looped when trying to format "0.0").
139: several fixes to stdio (thanks to S-Lang's excellent test suite!)
1.46 fefe 140: added ungetc (does it work?)
1.47 fefe 141: added inet_aton (yuck!)
1.50 fefe 142: added gethostbyname, gethostbyaddr, gethostbyname_r and gethostbyaddr_r
1.48 fefe 143: added h_errno and __h_errno_location
144: added inet_ntoa
1.49 fefe 145: added setpgrp and getpgrp, strsignal and execv (thanks, Olaf)
1.51 fefe 146: add bcopy, index, rindex macros
147: add isgraph and isxdigit
1.52 fefe 148: add strftime (ugh!!!)
1.53 olaf 149: Olaf fixed strftime, gmtime_r leap year bug.
1.54 fefe 150: Jeff Garzik contributed a spec file. I put it in contrib and hope
151: everbody knows what to do with it...
152: Olaf checked in a ton of libpthread stuff.
1.55 fefe 153: added mkstemp using /dev/urandom (harder to guess than getpid()).
1.56 fefe 154: add large file backwards compatibility support (so gzip will run on
155: kernel 2.2 and 2.0)
1.57 fefe 156: added shutdown
1.58 fefe 157: added nice
158: added pseudo-locale support for is* (they are now weak aliases,
159: isupper -> __isupper_ascii etc). So, for example, liblatin1 can
160: overwrite the default is* functions.
1.59 fefe 161: added liblatin1.a
1.60 fefe 162: added tzfile implementation (does it work for anyone else?)
1.61 fefe 163: added syslog(3) (thanks to Rene Müller!)
1.62 fefe 164: Jeff Garzik contributed getgr*, getpw* and getsp* in one tiny package.
165: Thanks!
1.63 fefe 166: merged duplicate code in execv and execvp into exec_lib.o
1.34 fefe 167:
1.21 fefe 168: 0.7.2:
169: added several prototypes to already implemented functions and
170: <sys/reboot.h>. Thanks for Abraham for pointing this out.
1.22 fefe 171: added prototypes for process group and dup syscalls. Thanks to
172: Abraham again. He also contributed an implementation for daemon(),
173: an ugly BSD hack. I decided to diversify the lib/ directory a
174: little and now created a libugly/ directory for stuff like system()
175: and daemon() ;-)
176: added libstdio and moved all that stdio crap from lib/ there. The
177: idea is to start separating now what we will separate for shared
178: libraries anyway.
1.26 fefe 179: optimized x86 unified-syscall by Olaf.
1.27 fefe 180: added limits.h, removed __ARCHBITS from endian.h (use __WORDSIZE from
181: limits.h instead)
182: added remove.c and enough cruft to limits.h to make it compile lzo,
183: lzop and bzip2.
1.28 fefe 184: added mktime, asctime_r, asctime and ctime (needed for gzip).
185: Someone will need to implement a reader for the glibc localtime file
1.31 fefe 186: format some day (man tzfile, ugh!) :-(
1.29 fefe 187: added unlink prototype to unistd.h.
188: added gmtime and gmtime_r.
1.31 fefe 189: fixed sparc unified syscall error handling (please upgrade!).
1.30 fefe 190: removed readdir glibc compatibility cruft.
1.31 fefe 191: removed stat glibc compatibility cruft.
1.32 fefe 192: oops, my fread was broken for pipes.
1.33 fefe 193: Olaf found a bug in pipe() for sparc, too.
1.21 fefe 194:
1.9 fefe 195: 0.7.1:
1.11 fefe 196: optimized away the static arrays from __ltostr and __lltostr.
197: optimized away the static arrays (and more!) from strtoul and strtoull.
198: added system (by Olaf).
1.12 fefe 199: added tolower and toupper
1.13 fefe 200: added getopt from Olaf (~600 bytes on x86!)
1.14 fefe 201: added clone for mips (by Olaf).
202: fixed longjmp and setjmp on sparc not to require glibc include files.
1.15 olaf 203: added pause for all (by Olaf).
1.17 fefe 204: added __attribute__ ((__const__)) to ctype.h
1.16 fefe 205: added isupper and islower.
206: added putc and putchar as macros.
1.17 fefe 207: added strcasecmp and strncasecmp (thanks to Abraham vd Merwe for
208: insightful discussions and patches I partially used for the last three)
1.18 fefe 209: added getpriority and setpriority (also by Abraham)
1.19 fefe 210: oops, I broke strtoul in a recent optimization attempt.
1.20 fefe 211: oi, setjmp and longjmp were broken on other platforms, too!
212: Thanks to Sébastien Côté for reporting this.
1.9 fefe 213:
214: 0.7:
1.6 olaf 215: clone support for i386,alpha,arm and sparc by Olaf.
1.1 cvs 216: Initial dynamic loading glue for i386, also by Olaf.
217: We don't have a dynamic loader yet, so this is not yet usable.
218: added readv, sigdelset, sigaltstack, sigfillset, sigismember, usleep,
219: vsprintf, writev, all by Olaf.
1.2 fefe 220: imported readdir fix from Guillaume. Mhh, can the kernel interface
221: really be this broken?
1.3 fefe 222: Found a kludgy way to detect whether the kernel includes define struct
223: stat64 (they also define STAT64_HAS_BROKEN_ST_INO). If this does
224: not work for you, please tell me!
1.4 fefe 225: Removed bogus __seek_types enum, it's a bunch of #defines now.
1.7 fefe 226: Fixed stdio line buffering. The code was already there but I forgot
227: to mark stdio and stdout as line buffered. This should really be
228: done dynamically using isatty, though.
1.8 fefe 229: Removed superfluous "if (1)" in execvp.c
1.1 cvs 230:
231: 0.6.14:
232: *scanf did not append the 0 byte for %s.
233: added creat and changed creat to call open directly instead of open64.
234: did for fread what 0.6.10 did for fwrite.
235: repaired buffered stdio a little (line buffering is still not
236: supported).
237: [All of these bugs have been reported by Guillaume. Thanks!]
238: added __pure__ to strchr and strrchr in <string.h>
239:
240: 0.6.13:
241: included COPYING to make clear that the diet libc is covered by the
242: GNU General Public License (and _not_ the LGPL). That means that
243: you need to obtain a license from me if you want to use the diet
244: libc in a proprietary program that you want to distribute.
245: The x86 unified syscall swapped arguments #4 and #5 and noone
246: noticed until now! Thanks to Guillaume Cottenceau for reporting
247: this!
248: The malloc had a subtle bug with small allocations that could cause
249: segfault. Guillaume reported it, Olaf fixed it.
250:
251: 0.6.12:
252: added assert, statfs and fstatfs
253: added include/net/if.h so fget compiles again.
254:
255: 0.6.11:
256: added putenv.
257:
258: 0.6.10:
259: fixed fwrite. It returned the number of bytes written, not the number
260: of records. Thanks to Albert D. Cahalan for pointing this out.
261: fixed fgets. It returned EOF on empty lines. Thanks, Erik Frey.
262: added brk and sbrk. harold@nb.com.sg made me do it.
263:
264: 0.6.9:
265: fixed execvp not to return on ENOENT
266: did for {open|read|close|seek|tell}dir what I did for stat before.
267: The glibc compatibility part is currently non-functional.
268: fixed white space handling in sscanf " (" would not match " (".
269: fixed printf to accept 'l' flag.
270: fixed getpwuid (ignored last line)
271:
272: 0.6.8:
273: Olaf contributed initial thread-safe syscalls for i386, alpha, sparc,
274: mips and arm. I did the one for ppc. They can be enabled in dietfeatures.h.
275: added strlcpy and strlcat from OpenBSD.
276: added stat64, fstat64 and lstat64.
277: added endian.h and made ending of strlen.c endianness-aware
278: added string routines size tweak to dietfeatures.h. Most of the
279: string routines have been unrolled. This is up to three times as
280: fast but creates up to three times larger code. Now you can disable
281: the unrolling.
282: added sendfile.
283: I also added pread. It works on x86 and sparc but not on ppc and mips.
284: I have no idea what's going on. strace disagrees with the kernel.
285: Can anyone help? I asked the Linux kernel mailing list for help, too.
286: added a few aliases of the type __libc_open for open. nm on
287: libpthreads.so indicates that we will need them.
288:
289: 0.6.7:
290: the sources now compile without warnings with -Wall.
291: printf now prints "(null)" when %s is passed NULL. This can be
292: removed with WANT_NULL_PRINTF in dietfeatures.h
293: added vfprintf, execl, ttyname.
294: stat, lstat and fstat are now #defined to __dietstat, __dietlstat and
295: __dietfstat so they can use the normal kernel struct stat.
296: stat, lstat and fstat are now C wrappers that convert to the glibc
297: struct stat. So we can avoid that overhead for programs that use
298: dietlibc headers.
299:
300: 0.6.6:
301: changed the Makefiles so you can now set CFLAGS on the command line
302: added memccmp (analogous to memccpy) and strncmp.
303: Olaf fixed another bug in the sparc unified syscall.
304: Paul Clifford contributed a C version of his strlen.S that is much
305: more efficient than the previous strlen on all platforms! It also
306: looks like technology from Roswell. ;-}
307: added a "real" stdio. Well, almost. Please contribute!
308: added dietfeatures.h so you can remove features you don't need.
309: removed debug code from vsnprintf that changed \0 to ' ' (argh!).
310: stdio now works with simple programs and minigzip from libz.
311: stdio uses some major trickery to avoid linking the stdio, stderr and
312: stdout (and reserving space for them) when they are not used.
313:
314: 0.6.5:
315: Red Plait <redplait@ixcelerator.com> found several bugs in diet libc,
316: most of them bugs in the new header files, but also missing sigset
317: functions.
318: Paul Clifford contributed an assembly strlen.S for ARM and fixed
319: several bugs.
320: Fixed ppc/setjmp and mips/pipe.
321: Olaf contributed a new sparc unified syscall.
322:
323: 0.6.4:
324: declared is* static inline in getservent.
325: added assert_fail, strtoul, isalpha, isdigit, isalnum, isascii.
326: changed strlen to return 0 when passed NULL.
327: new, much smaller unified syscall for MIPS. Thanks to Olaf the Mad
328: Scientist who actually implemented this without access to a MIPS
329: box, just from reading the architecture manual. And it worked out
330: of the box.
331: started a set of system includes, mainly so that I can use lcc and
332: my alpha-linux cross compiler (which is unable to cross-compile
333: glibc). diet libc can now be compiled without any include files
334: from a normal libc. The includes do declare more than diet libc
335: currently delivers and they are still far from complete for real
336: applications.
337: I will only add assembly versions that are smaller _and_ faster than
338: the C version. Larger routines are only accepted if they are called
339: very often and are substantially faster.
340: added i386 assembly strchr, which is smaller and faster than the old
341: version. It is, however, larger than the version contributed by
342: proton (thanks, anyway).
343: added i386 strlen (31% faster, 14% smaller)
344: "make t" will now create a map file called "mapfile".
345:
346: 0.6.3:
347: added sys_errlist, strerror and perror
348: added isblank
349: added atol
350:
351: 0.6.2:
352: mmap for ARM didn't compile. Thanks, Paul!
353:
354: 0.6.1:
355: split mmap into the architecture specific subdirectories.
356: getenv now copes with environ==NULL, thanks Paul Clifford.
357: Paul also contributed a smaller ARM startup code.
358:
359: 0.6:
360: strcat returned the wrong result. Thanks, Dietz Pröpper.
361: strtod now understands a negative exponent (oops, thanks Bertram Barth)
362: Port to arm-linux-gnu, but on the Netwinder I use for testing the
363: __dtostr does not work (I have no idea why!)
364: The MIPS port now uses (much smaller) non-PIC code. That means that
365: the applications you link against diet libc also have to be compiled
366: non-PIC. I suggest copying the CFLAGS from the diet libc Makefile.
367: Thanks to Ralf Bächle for helping me with this!
368: I made subdirectories for the architectures and use VPATH to override
369: VPATH so that make finds the source file automatically. That should
370: simplify the sources greatly.
371: Olaf Dreesen contributed Alpha support including setjmp and longjmp!
372: ARM and MIPS now also have setjmp and longjmp
373: "compile" and "load" are now make targets. Use them for djb programs.
374: added contrib/elftrunc.c which will remove unnecessary ELF headers.
375: Again, contributed from Olaf. Great work!
376:
377: 0.5.12:
378: printf also does signed numbers.
379: If you don't use atexit, dietlibc now does not link exit, only _exit.
380: *printf now correctly returns the number of bytes written.
381: Olaf contributed experimental sscanf and vsscanf implementations.
382: If passed NULL as buffer, snprintf will not write anything but still
383: return the number of bytes it would have written.
384: Initial MIPS port! (Oh, the agony!)
385: No setjmp and longjmp support yet! Please contribute!
386: I even implemented unified syscalls for MIPS. Still, MIPS code is
387: almost twice the size of SPARC code. If anyone knows why: please
388: tell me!
389:
390: 0.5.11:
391: I implemented new unified syscalls for x86, sparc and ppc, this time based
392: on .s files and not .c files, and I moved the syscalls into
393: subdirectores to clean the dietlibc sources up a little.
394: A binary consisting of printf("%s is %d\n","olaf",23) is now
395: 2864 bytes on sparc
396: 2488 bytes on intel
397: I kludgily implemented fprintf(stdout,... and fprintf(stderr,...
398: to make a few more applications work.
399: Olaf Dreesen also implemented some unified syscall stuff for x86.
400: He discovered that with our unified syscall interface it actually
401: costs <10 bytes total to make all system calls thread safe!
402: I implemented atexit() (can register up to 4 callbacks).
403: I implemented strtod and __dtostr (the opposite). Now we can add
404: floating point support to vsnprintf and sscanf!
405:
406: 0.5.10:
407: I actually saw that I can not only merge the errno handling code of
408: the system calls on x86, I can also merge the rest (including the
409: arguments) except for setting the system call number. All those
410: system calls are now just a jump to a unified system call handler.
411: I got rid of x86openclose again. The savings are substantial:
412: chown from embutils went from 7664 to 7184 bytes!
413: If I'd move the system call wrappers to assembly language, I could
414: even reduce the alignment (does not matter since it's just a jump
415: anyway) and get rid of the "ret" behind each jump (one byte per
416: system call!)
417:
418: 0.5.9:
419: added memchr, strpbrk, strstr, strtol, isspace (hehe)
420: fixed strdup
421: fixed return values for strcpy and strcat (thanks to Norbert Berzen)
422: Olaf Dreesen contributed a strtol and initial {sn|vsn|}printf implementation
423: (no signed integers, only strings and unsigned integers (but
424: supporting octal, hex and decimal). Thanks, Olaf! (by the way:
425: that code must be wonderful, I don't understand it at all *bg*)
426: Olaf's printf does understand padding like in "%08d" and "%8d" and
427: automatically pads pointers with '0'.
428: Rewrote the x86 start code, old: 22 instructions, new: 12 instructions.
429: Thanks to proton for inspiration on this.
430: The new x86 start code also does not reference exit any more, thus saving
431: 64 bytes for executables that don't call exit explicitly.
432: [insert maniacal laughter] EVERY BYTE COUNTS!1!! ;-)
433: Moved errno and environ to start.S, saving no byte binary size but
434: speeding up compilation and slightly shortening dietlibc.a ;-)
435: For x86: joined open and close into one assembler file, sharing the
436: errno handling. This is a feasibility test and it actually saves a
437: few bytes. I think I will reimplement the _syscall[1-6] macros on
438: all platforms now to share the errno handling code for them.
439:
440: 0.5.8:
441: fixed strchr to be able to look for 0.
442:
443: added _llseek, ftruncate, getpgid, getresgid, getresuid, getsid,
444: memccpy, memmove, mprotect, setregid, setresgid, setresuid, setreuid,
445: strncpy, swapon, truncate, strtok, strtok_r, strspn, strcspn (all
446: contributed by Olaf Dreesen)
447:
448: added execvp, getcwd
449:
450: fixed __xmknod
451:
452: Note: can it be that the ftw interface really is so broken that I
453: cannot implement it without having to implement some searching data
454: structure? I included an experimental ftw implementation that will
455: not follow symlinks.
456:
457: 0.5.7:
458: oops, if_nametoindex was broken!
459:
460: 0.5.6:
461: ported to ppc-linux.
462: fixed i386 sigsetjmp (I mistyped the function name)
463: included sigjmp.c
464:
465: 0.5.5:
466: added wait, sys_siglist, longjmp/setjmp/sigsetjmp for i386 and sparc
467: actually, it wasn't fork that wasn't working for sparc, it was pipe.
468: I fixed it now.
469: dietlibc/SPARC assumes -msupersparc (does not provide div, mul, etc)
470: fixed readdir to use getdents and not the intel inline asm
471:
472: 0.5.4:
473: ported to sparclinux (sparc32 only). Beware: does not work yet.
474: added raise, abort, readlink, strcat, geteuid, geteuid, wait3, access
475:
476: 0.5.3:
477: added tcsetattr and getenv to compile e3
478:
479: 0.5.2:
480: added vhangup, tcgetattr, isatty and memcmp for fgetty
481: (http://www.fefe.de/fgetty/)
482: added localtime from uC-libc.
483:
484: 0.5.1:
485: stat and friends actually work now. Yuck! Another case of
486: translation between kernel and userland. Why can't the kernel
487: people and the libc people simply agree on a standard?
488: removed many unnecessary includes to speed up compilation.
489: added -fomit-frame-pointer and i386 compilation target to reduce code size.
490: inlined socketcall to reduce code size.
491: "load" and "compile" are examples for djb code.
492:
493: 0.5:
494: Olaf Dreesen contributed a much smaller implementation of malloc and friends.
495: each object file is now treated with "strip -x -R .note -R .comment"
496: split each system call into a separate object file
497: added ntohs, htons, alarm, if_indextoname and if_nametoindex
498:
499: 0.4.1:
500: oops, the strchr implementation was wrong. Thanks Jens Laas!
501:
502: 0.4:
503: copied opendir and friends from uC-libc.
504: added getservent and getservby* in gerservent.c
505:
506: 0.3:
507: remove readdir system call
508: added getdents system call
509: added getpwnam/getpwuid implementation in getpwnam.c
510: added a few string functions (in str*.c)
511:

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