Annotation of dietlibc/CHANGES, revision 1.144
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)
1.137 fefe 40: fixed word delimiters in regex (they looked for space, i.e. "," did
41: not work as delimiter)
1.138 fefe 42: errno.h now declares sys_errlist and sys_nerr.
1.143 fefe 43: added mkdtemp.
1.142 fefe 44: Uwe Ohse reported all of the following bugs:
45: ttyname should return 0 if !isatty.
46: realpath returns NULL if "." cannot be opened
47: putenv erroneously accepted (and mishandled) entries without "=".
48: popen returned 255 instead of 127 if /bin/sh could not be run.
49: fgetc did not set the internal EOF indicator on EOF.
50: bsearch contained an assumption about integer arithmetic overflow
51: behavior.
52: system did not set SIGCHLD and thus contained a race.
53: popen did not set close-on-exec and could leak an fd on malloc error.
1.144 ! olaf 54: Olaf: Peter Jones reported some problems with perror; strerror had the
! 55: same problem.
! 56: Peter also posted a patch to atexit/exit. With some modifications it is
! 57: now implemented.
1.115 fefe 58:
1.74 fefe 59: 0.10:
60: update getpagesize.
61: add personality.
1.75 fefe 62: add "%*s" and "%*.*s" support to vsnprintf.
1.76 fefe 63: add putchar (apparently arm-linux-gcc will substitute printf("\n")
64: with putchar('\n') behind your back...?!
1.77 fefe 65: import include/scsi/ from glibc.
1.78 fefe 66: add iopl.
1.80 fefe 67: add execl and sigdelset prototypes.
68: add getopt_long stuff to getopt.h (may compile but won't link).
1.81 fefe 69: add RPC headers (no code yet).
1.82 fefe 70: add mlockall, munlockall
1.83 fefe 71: make "diet gcc foo.c" work.
72: added Sun RPC code and removed as many warnings as possible in a
73: heroic act of self-mutilation.
74: added getproto* and getdtablesize for the RPC cruft :-(
1.84 fefe 75: added getpass. mount from util-linux actually compiles now!
76: fix the sig*set routines. mount actually works now *bg*
77: fix fwrite dividing by zero when trying to fwrite n records of size 0.
1.85 fefe 78: added an initial regex implementation (3500 bytes!!!).
1.87 fefe 79: add llseek and lseek64 with optional lseek fall-back.
1.88 fefe 80: add res_init.
81: add asprintf (ugh, what an ugly function).
1.89 fefe 82: expanded arpa/nameser.h to include backwards compatibility defines
1.90 fefe 83: add ut_name alias to ut_host in struct utmp.
84: add inet_ntop, inet_pton, gethostbyname2.
1.92 fefe 85: add sysinfo, recvmsg, sendmsg.
1.93 fefe 86: add endmntent, getmntent, setmntent.
1.94 fefe 87: fix fnmatch (thanks, Guillaume Cottenceau!)
1.96 fefe 88: add setenv.
89: remove __restrict from mntent.h, add __restrict__ removal alias for
90: older gcc versions in sys/cdefs.h.
91: add rlim_t, sig_atomic_t declarations.
92: add sigsetjmp #define for __sigsetjmp (oops).
93: (Thanks to Chris Siebenmann for these three bug reports)
1.97 fefe 94: add a gruesome hack to printf floating point to accept %f and kludge
95: together support for %.2f. Don't look at the code, please!
1.98 fefe 96: fixed tcsetpgrp (oops, this is embarassing! Thanks, Chris Siebenmann)
1.99 fefe 97: imported fix for entlib by Jeff Garzik.
1.100 fefe 98: add glob implementation from Guillaume Cottenceau (Thanks!!)
99: add libdl fragments from Olaf (Yeah! One step closer to dynamic linking!)
1.101 fefe 100: add REG_ICASE and word start/end handling to my regular expressions.
101: my regular expressions now actually match substrings (i.e. "foobar" to "bar").
1.102 fefe 102: wrap getcwd to comply to man page (the syscall returns the number of
103: bytes, not the buffer)
104: add realpath.
1.103 fefe 105: fix vfprintf.
1.104 fefe 106: fix *scanf %s zero termination.
107: add abs, labs, llabs.
1.105 fefe 108: add <sys/io.h>, ioperm syscall.
109: add flock to <sys/file.h>
1.106 fefe 110: fixes to bsearch and the regular expressions.
1.107 fefe 111: add fake herror.
1.108 fefe 112: add scandir and alphasort.
1.109 fefe 113: add killpg
1.110 fefe 114: implemented a gross hack to make libpthread compile when
115: dietfeatures.h does not define WANT_THREAD_SAFE (it's empty then).
1.111 fefe 116: add getaddrinfo and freeaddrinfo (man, what a fucked up interface!)
1.112 fefe 117: fix sigsuspend (syscall had completely fscked up arguments!)
1.113 fefe 118: RLIM_INFINITY from the kernel is broken. Thanks to Chris Siebenmann
119: for sending a patch.
1.114 fefe 120: add getserv*.
121: add WANT_FULL_RESOLV_CONF so that the DNS routines use "domain" and
122: "search" from resolv.conf.
1.74 fefe 123:
1.73 fefe 124: 0.9:
1.65 fefe 125: fixed initgroups (oops)
1.66 fefe 126: Cleanup appending file open for stdio (thanks, James Antill)
127: imported vfprintf fix from James Antill.
1.67 fefe 128: add fnmatch
129: change index, rindex and bcmp as weak ELF symbols (were #defined before)
1.68 fefe 130: Olaf added character classes to *scanf.
1.69 fefe 131: Put object and library files into a separate directory (bin-$ARCH).
132: Add "cross" make target to make all architectures.
133: Add "diet" program and man page.
1.70 fefe 134: Add getgrnam, getgrgid
1.71 fefe 135: Add cfmakeraw (Thanks, Antonio Musumeci)
1.72 fefe 136: localtime won't call gettimeofday when the tzfile parser is used.
1.65 fefe 137:
1.64 fefe 138: 0.8:
1.34 fefe 139: vsnprintf(0,...) estimated the length of strings with a padding width
140: incorrectly.
1.35 fefe 141: new reboot() from Olaf.
1.36 fefe 142: added prototypes for getsockopt and setsockopt.
1.39 fefe 143: added experimental sem* and shm*
1.38 fefe 144: define EXIT_SUCCESS and EXIT_FAILURE
1.40 fefe 145: added setvbuf (only changes mode, not buffer)
1.41 fefe 146: added dietwarning.h (woohoo, linker warnings!) and used it to warn of
147: insecurity (system, sprintf) or bloat (printf and stdio).
1.42 fefe 148: added qsort() and bsearch(). Benchmark on 1000 random ints:
149: glibc: 679414 cycles qsort and 3352 cycles bsearch
150: diet libc: 300010 cycles qsort, 553 cycles bsearch
151: I have no idea why glibc is so slow.
1.43 fefe 152: added __isnan (references by libm.a from glibc).
153: added popen() and pclose(). Now the diet libc can link slsh (from
154: S-Lang!)
1.44 fefe 155: corrected usleep. It was more of an msleep until now.
1.45 fefe 156: corrected __dtostr (it looped when trying to format "0.0").
157: several fixes to stdio (thanks to S-Lang's excellent test suite!)
1.46 fefe 158: added ungetc (does it work?)
1.47 fefe 159: added inet_aton (yuck!)
1.50 fefe 160: added gethostbyname, gethostbyaddr, gethostbyname_r and gethostbyaddr_r
1.48 fefe 161: added h_errno and __h_errno_location
162: added inet_ntoa
1.49 fefe 163: added setpgrp and getpgrp, strsignal and execv (thanks, Olaf)
1.51 fefe 164: add bcopy, index, rindex macros
165: add isgraph and isxdigit
1.52 fefe 166: add strftime (ugh!!!)
1.53 olaf 167: Olaf fixed strftime, gmtime_r leap year bug.
1.54 fefe 168: Jeff Garzik contributed a spec file. I put it in contrib and hope
169: everbody knows what to do with it...
170: Olaf checked in a ton of libpthread stuff.
1.55 fefe 171: added mkstemp using /dev/urandom (harder to guess than getpid()).
1.56 fefe 172: add large file backwards compatibility support (so gzip will run on
173: kernel 2.2 and 2.0)
1.57 fefe 174: added shutdown
1.58 fefe 175: added nice
176: added pseudo-locale support for is* (they are now weak aliases,
177: isupper -> __isupper_ascii etc). So, for example, liblatin1 can
178: overwrite the default is* functions.
1.59 fefe 179: added liblatin1.a
1.60 fefe 180: added tzfile implementation (does it work for anyone else?)
1.61 fefe 181: added syslog(3) (thanks to Rene Müller!)
1.62 fefe 182: Jeff Garzik contributed getgr*, getpw* and getsp* in one tiny package.
183: Thanks!
1.63 fefe 184: merged duplicate code in execv and execvp into exec_lib.o
1.34 fefe 185:
1.21 fefe 186: 0.7.2:
187: added several prototypes to already implemented functions and
188: <sys/reboot.h>. Thanks for Abraham for pointing this out.
1.22 fefe 189: added prototypes for process group and dup syscalls. Thanks to
190: Abraham again. He also contributed an implementation for daemon(),
191: an ugly BSD hack. I decided to diversify the lib/ directory a
192: little and now created a libugly/ directory for stuff like system()
193: and daemon() ;-)
194: added libstdio and moved all that stdio crap from lib/ there. The
195: idea is to start separating now what we will separate for shared
196: libraries anyway.
1.26 fefe 197: optimized x86 unified-syscall by Olaf.
1.27 fefe 198: added limits.h, removed __ARCHBITS from endian.h (use __WORDSIZE from
199: limits.h instead)
200: added remove.c and enough cruft to limits.h to make it compile lzo,
201: lzop and bzip2.
1.28 fefe 202: added mktime, asctime_r, asctime and ctime (needed for gzip).
203: Someone will need to implement a reader for the glibc localtime file
1.31 fefe 204: format some day (man tzfile, ugh!) :-(
1.29 fefe 205: added unlink prototype to unistd.h.
206: added gmtime and gmtime_r.
1.31 fefe 207: fixed sparc unified syscall error handling (please upgrade!).
1.30 fefe 208: removed readdir glibc compatibility cruft.
1.31 fefe 209: removed stat glibc compatibility cruft.
1.32 fefe 210: oops, my fread was broken for pipes.
1.33 fefe 211: Olaf found a bug in pipe() for sparc, too.
1.21 fefe 212:
1.9 fefe 213: 0.7.1:
1.11 fefe 214: optimized away the static arrays from __ltostr and __lltostr.
215: optimized away the static arrays (and more!) from strtoul and strtoull.
216: added system (by Olaf).
1.12 fefe 217: added tolower and toupper
1.13 fefe 218: added getopt from Olaf (~600 bytes on x86!)
1.14 fefe 219: added clone for mips (by Olaf).
220: fixed longjmp and setjmp on sparc not to require glibc include files.
1.15 olaf 221: added pause for all (by Olaf).
1.17 fefe 222: added __attribute__ ((__const__)) to ctype.h
1.16 fefe 223: added isupper and islower.
224: added putc and putchar as macros.
1.17 fefe 225: added strcasecmp and strncasecmp (thanks to Abraham vd Merwe for
226: insightful discussions and patches I partially used for the last three)
1.18 fefe 227: added getpriority and setpriority (also by Abraham)
1.19 fefe 228: oops, I broke strtoul in a recent optimization attempt.
1.20 fefe 229: oi, setjmp and longjmp were broken on other platforms, too!
230: Thanks to Sébastien Côté for reporting this.
1.9 fefe 231:
232: 0.7:
1.6 olaf 233: clone support for i386,alpha,arm and sparc by Olaf.
1.1 cvs 234: Initial dynamic loading glue for i386, also by Olaf.
235: We don't have a dynamic loader yet, so this is not yet usable.
236: added readv, sigdelset, sigaltstack, sigfillset, sigismember, usleep,
237: vsprintf, writev, all by Olaf.
1.2 fefe 238: imported readdir fix from Guillaume. Mhh, can the kernel interface
239: really be this broken?
1.3 fefe 240: Found a kludgy way to detect whether the kernel includes define struct
241: stat64 (they also define STAT64_HAS_BROKEN_ST_INO). If this does
242: not work for you, please tell me!
1.4 fefe 243: Removed bogus __seek_types enum, it's a bunch of #defines now.
1.7 fefe 244: Fixed stdio line buffering. The code was already there but I forgot
245: to mark stdio and stdout as line buffered. This should really be
246: done dynamically using isatty, though.
1.8 fefe 247: Removed superfluous "if (1)" in execvp.c
1.1 cvs 248:
249: 0.6.14:
250: *scanf did not append the 0 byte for %s.
251: added creat and changed creat to call open directly instead of open64.
252: did for fread what 0.6.10 did for fwrite.
253: repaired buffered stdio a little (line buffering is still not
254: supported).
255: [All of these bugs have been reported by Guillaume. Thanks!]
256: added __pure__ to strchr and strrchr in <string.h>
257:
258: 0.6.13:
259: included COPYING to make clear that the diet libc is covered by the
260: GNU General Public License (and _not_ the LGPL). That means that
261: you need to obtain a license from me if you want to use the diet
262: libc in a proprietary program that you want to distribute.
263: The x86 unified syscall swapped arguments #4 and #5 and noone
264: noticed until now! Thanks to Guillaume Cottenceau for reporting
265: this!
266: The malloc had a subtle bug with small allocations that could cause
267: segfault. Guillaume reported it, Olaf fixed it.
268:
269: 0.6.12:
270: added assert, statfs and fstatfs
271: added include/net/if.h so fget compiles again.
272:
273: 0.6.11:
274: added putenv.
275:
276: 0.6.10:
277: fixed fwrite. It returned the number of bytes written, not the number
278: of records. Thanks to Albert D. Cahalan for pointing this out.
279: fixed fgets. It returned EOF on empty lines. Thanks, Erik Frey.
280: added brk and sbrk. harold@nb.com.sg made me do it.
281:
282: 0.6.9:
283: fixed execvp not to return on ENOENT
284: did for {open|read|close|seek|tell}dir what I did for stat before.
285: The glibc compatibility part is currently non-functional.
286: fixed white space handling in sscanf " (" would not match " (".
287: fixed printf to accept 'l' flag.
288: fixed getpwuid (ignored last line)
289:
290: 0.6.8:
291: Olaf contributed initial thread-safe syscalls for i386, alpha, sparc,
292: mips and arm. I did the one for ppc. They can be enabled in dietfeatures.h.
293: added strlcpy and strlcat from OpenBSD.
294: added stat64, fstat64 and lstat64.
295: added endian.h and made ending of strlen.c endianness-aware
296: added string routines size tweak to dietfeatures.h. Most of the
297: string routines have been unrolled. This is up to three times as
298: fast but creates up to three times larger code. Now you can disable
299: the unrolling.
300: added sendfile.
301: I also added pread. It works on x86 and sparc but not on ppc and mips.
302: I have no idea what's going on. strace disagrees with the kernel.
303: Can anyone help? I asked the Linux kernel mailing list for help, too.
304: added a few aliases of the type __libc_open for open. nm on
305: libpthreads.so indicates that we will need them.
306:
307: 0.6.7:
308: the sources now compile without warnings with -Wall.
309: printf now prints "(null)" when %s is passed NULL. This can be
310: removed with WANT_NULL_PRINTF in dietfeatures.h
311: added vfprintf, execl, ttyname.
312: stat, lstat and fstat are now #defined to __dietstat, __dietlstat and
313: __dietfstat so they can use the normal kernel struct stat.
314: stat, lstat and fstat are now C wrappers that convert to the glibc
315: struct stat. So we can avoid that overhead for programs that use
316: dietlibc headers.
317:
318: 0.6.6:
319: changed the Makefiles so you can now set CFLAGS on the command line
320: added memccmp (analogous to memccpy) and strncmp.
321: Olaf fixed another bug in the sparc unified syscall.
322: Paul Clifford contributed a C version of his strlen.S that is much
323: more efficient than the previous strlen on all platforms! It also
324: looks like technology from Roswell. ;-}
325: added a "real" stdio. Well, almost. Please contribute!
326: added dietfeatures.h so you can remove features you don't need.
327: removed debug code from vsnprintf that changed \0 to ' ' (argh!).
328: stdio now works with simple programs and minigzip from libz.
329: stdio uses some major trickery to avoid linking the stdio, stderr and
330: stdout (and reserving space for them) when they are not used.
331:
332: 0.6.5:
333: Red Plait <redplait@ixcelerator.com> found several bugs in diet libc,
334: most of them bugs in the new header files, but also missing sigset
335: functions.
336: Paul Clifford contributed an assembly strlen.S for ARM and fixed
337: several bugs.
338: Fixed ppc/setjmp and mips/pipe.
339: Olaf contributed a new sparc unified syscall.
340:
341: 0.6.4:
342: declared is* static inline in getservent.
343: added assert_fail, strtoul, isalpha, isdigit, isalnum, isascii.
344: changed strlen to return 0 when passed NULL.
345: new, much smaller unified syscall for MIPS. Thanks to Olaf the Mad
346: Scientist who actually implemented this without access to a MIPS
347: box, just from reading the architecture manual. And it worked out
348: of the box.
349: started a set of system includes, mainly so that I can use lcc and
350: my alpha-linux cross compiler (which is unable to cross-compile
351: glibc). diet libc can now be compiled without any include files
352: from a normal libc. The includes do declare more than diet libc
353: currently delivers and they are still far from complete for real
354: applications.
355: I will only add assembly versions that are smaller _and_ faster than
356: the C version. Larger routines are only accepted if they are called
357: very often and are substantially faster.
358: added i386 assembly strchr, which is smaller and faster than the old
359: version. It is, however, larger than the version contributed by
360: proton (thanks, anyway).
361: added i386 strlen (31% faster, 14% smaller)
362: "make t" will now create a map file called "mapfile".
363:
364: 0.6.3:
365: added sys_errlist, strerror and perror
366: added isblank
367: added atol
368:
369: 0.6.2:
370: mmap for ARM didn't compile. Thanks, Paul!
371:
372: 0.6.1:
373: split mmap into the architecture specific subdirectories.
374: getenv now copes with environ==NULL, thanks Paul Clifford.
375: Paul also contributed a smaller ARM startup code.
376:
377: 0.6:
378: strcat returned the wrong result. Thanks, Dietz Pröpper.
379: strtod now understands a negative exponent (oops, thanks Bertram Barth)
380: Port to arm-linux-gnu, but on the Netwinder I use for testing the
381: __dtostr does not work (I have no idea why!)
382: The MIPS port now uses (much smaller) non-PIC code. That means that
383: the applications you link against diet libc also have to be compiled
384: non-PIC. I suggest copying the CFLAGS from the diet libc Makefile.
385: Thanks to Ralf Bächle for helping me with this!
386: I made subdirectories for the architectures and use VPATH to override
387: VPATH so that make finds the source file automatically. That should
388: simplify the sources greatly.
389: Olaf Dreesen contributed Alpha support including setjmp and longjmp!
390: ARM and MIPS now also have setjmp and longjmp
391: "compile" and "load" are now make targets. Use them for djb programs.
392: added contrib/elftrunc.c which will remove unnecessary ELF headers.
393: Again, contributed from Olaf. Great work!
394:
395: 0.5.12:
396: printf also does signed numbers.
397: If you don't use atexit, dietlibc now does not link exit, only _exit.
398: *printf now correctly returns the number of bytes written.
399: Olaf contributed experimental sscanf and vsscanf implementations.
400: If passed NULL as buffer, snprintf will not write anything but still
401: return the number of bytes it would have written.
402: Initial MIPS port! (Oh, the agony!)
403: No setjmp and longjmp support yet! Please contribute!
404: I even implemented unified syscalls for MIPS. Still, MIPS code is
405: almost twice the size of SPARC code. If anyone knows why: please
406: tell me!
407:
408: 0.5.11:
409: I implemented new unified syscalls for x86, sparc and ppc, this time based
410: on .s files and not .c files, and I moved the syscalls into
411: subdirectores to clean the dietlibc sources up a little.
412: A binary consisting of printf("%s is %d\n","olaf",23) is now
413: 2864 bytes on sparc
414: 2488 bytes on intel
415: I kludgily implemented fprintf(stdout,... and fprintf(stderr,...
416: to make a few more applications work.
417: Olaf Dreesen also implemented some unified syscall stuff for x86.
418: He discovered that with our unified syscall interface it actually
419: costs <10 bytes total to make all system calls thread safe!
420: I implemented atexit() (can register up to 4 callbacks).
421: I implemented strtod and __dtostr (the opposite). Now we can add
422: floating point support to vsnprintf and sscanf!
423:
424: 0.5.10:
425: I actually saw that I can not only merge the errno handling code of
426: the system calls on x86, I can also merge the rest (including the
427: arguments) except for setting the system call number. All those
428: system calls are now just a jump to a unified system call handler.
429: I got rid of x86openclose again. The savings are substantial:
430: chown from embutils went from 7664 to 7184 bytes!
431: If I'd move the system call wrappers to assembly language, I could
432: even reduce the alignment (does not matter since it's just a jump
433: anyway) and get rid of the "ret" behind each jump (one byte per
434: system call!)
435:
436: 0.5.9:
437: added memchr, strpbrk, strstr, strtol, isspace (hehe)
438: fixed strdup
439: fixed return values for strcpy and strcat (thanks to Norbert Berzen)
440: Olaf Dreesen contributed a strtol and initial {sn|vsn|}printf implementation
441: (no signed integers, only strings and unsigned integers (but
442: supporting octal, hex and decimal). Thanks, Olaf! (by the way:
443: that code must be wonderful, I don't understand it at all *bg*)
444: Olaf's printf does understand padding like in "%08d" and "%8d" and
445: automatically pads pointers with '0'.
446: Rewrote the x86 start code, old: 22 instructions, new: 12 instructions.
447: Thanks to proton for inspiration on this.
448: The new x86 start code also does not reference exit any more, thus saving
449: 64 bytes for executables that don't call exit explicitly.
450: [insert maniacal laughter] EVERY BYTE COUNTS!1!! ;-)
451: Moved errno and environ to start.S, saving no byte binary size but
452: speeding up compilation and slightly shortening dietlibc.a ;-)
453: For x86: joined open and close into one assembler file, sharing the
454: errno handling. This is a feasibility test and it actually saves a
455: few bytes. I think I will reimplement the _syscall[1-6] macros on
456: all platforms now to share the errno handling code for them.
457:
458: 0.5.8:
459: fixed strchr to be able to look for 0.
460:
461: added _llseek, ftruncate, getpgid, getresgid, getresuid, getsid,
462: memccpy, memmove, mprotect, setregid, setresgid, setresuid, setreuid,
463: strncpy, swapon, truncate, strtok, strtok_r, strspn, strcspn (all
464: contributed by Olaf Dreesen)
465:
466: added execvp, getcwd
467:
468: fixed __xmknod
469:
470: Note: can it be that the ftw interface really is so broken that I
471: cannot implement it without having to implement some searching data
472: structure? I included an experimental ftw implementation that will
473: not follow symlinks.
474:
475: 0.5.7:
476: oops, if_nametoindex was broken!
477:
478: 0.5.6:
479: ported to ppc-linux.
480: fixed i386 sigsetjmp (I mistyped the function name)
481: included sigjmp.c
482:
483: 0.5.5:
484: added wait, sys_siglist, longjmp/setjmp/sigsetjmp for i386 and sparc
485: actually, it wasn't fork that wasn't working for sparc, it was pipe.
486: I fixed it now.
487: dietlibc/SPARC assumes -msupersparc (does not provide div, mul, etc)
488: fixed readdir to use getdents and not the intel inline asm
489:
490: 0.5.4:
491: ported to sparclinux (sparc32 only). Beware: does not work yet.
492: added raise, abort, readlink, strcat, geteuid, geteuid, wait3, access
493:
494: 0.5.3:
495: added tcsetattr and getenv to compile e3
496:
497: 0.5.2:
498: added vhangup, tcgetattr, isatty and memcmp for fgetty
499: (http://www.fefe.de/fgetty/)
500: added localtime from uC-libc.
501:
502: 0.5.1:
503: stat and friends actually work now. Yuck! Another case of
504: translation between kernel and userland. Why can't the kernel
505: people and the libc people simply agree on a standard?
506: removed many unnecessary includes to speed up compilation.
507: added -fomit-frame-pointer and i386 compilation target to reduce code size.
508: inlined socketcall to reduce code size.
509: "load" and "compile" are examples for djb code.
510:
511: 0.5:
512: Olaf Dreesen contributed a much smaller implementation of malloc and friends.
513: each object file is now treated with "strip -x -R .note -R .comment"
514: split each system call into a separate object file
515: added ntohs, htons, alarm, if_indextoname and if_nametoindex
516:
517: 0.4.1:
518: oops, the strchr implementation was wrong. Thanks Jens Laas!
519:
520: 0.4:
521: copied opendir and friends from uC-libc.
522: added getservent and getservby* in gerservent.c
523:
524: 0.3:
525: remove readdir system call
526: added getdents system call
527: added getpwnam/getpwuid implementation in getpwnam.c
528: added a few string functions (in str*.c)
529:
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