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