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344 Commits

Author SHA1 Message Date
Denis Vlasenko
447b543eaf Stopped doing assignments inside expressions. 
Who wrote this gem, I wonder?

n -= (e = (e = gunzip_wsize - ((d &= gunzip_wsize - 1) > w ? d : w)) > n ? n : e);
 2007-01-05 19:49:02 +00:00
Denis Vlasenko
cc33ef12d2 decompress_unzip: preparatory patch 2007-01-05 19:46:04 +00:00
Denis Vlasenko
3376298b59 Stop tracking buffer size - it is a constant. 
Stop ignoring write errors.
Fix bugs in this line:
rc->buffer_size = read(rc->fd, RC_BUFFER, rc->buffer_size);
(a) should use safe_read()
(b) just ONE short read (e.g. 4 bytes) will make ALL future reads short!
 2007-01-05 14:04:47 +00:00
Denis Vlasenko
98b8e9487d simplify access to buffer, making code a bit smaller 2007-01-05 13:59:05 +00:00
Denis Vlasenko
bb3d0fab3b extern variable declaration in a .c file is heresy - fixing it 2007-01-03 01:57:25 +00:00
Denis Vlasenko
666da5e2c6 merge post-1.3.0 fixes 2006-12-26 18:17:42 +00:00
Denis Vlasenko
bf0a201008 style fixes 
last xcalloc replaced by xzalloc
 2006-12-26 10:42:51 +00:00
Denis Vlasenko
4cccc03768 remove useless casts (type*) xzalloc(...) 2006-12-22 18:37:07 +00:00
Denis Vlasenko
afc9ff99fd removal of commented-out cruft 2006-12-22 00:45:27 +00:00
Denis Vlasenko
714701c890 tar et al: die if bb_copyfd_size copies less than asked for. 
(we have bb_copyfd_exact_size now for that kind of usage)
 2006-12-22 00:21:07 +00:00
Denis Vlasenko
d9e15f2068 style cleanup: return(a) -> return a, part 2 2006-11-27 16:49:55 +00:00
Denis Vlasenko
079f8afa0a style cleanup: return(a) -> return a, part 1 2006-11-27 16:49:31 +00:00
Denis Vlasenko
c1660fea6d tar: refuse to untar files with "/../" components 2006-11-26 15:42:03 +00:00
Denis Vlasenko
b596335868 tar: correctly skip (and warn about) pax headers. 
plug memory leak. save 50 bytes.
Wooohooo! we finally can unpack kernel tarballs!
 2006-11-26 01:46:59 +00:00
Denis Vlasenko
87cd4a87e3 tar: small fix and small optimization 2006-11-25 23:47:32 +00:00
Denis Vlasenko
b833ca9d2d tar: buglet fix 2006-11-24 18:53:13 +00:00
Denis Vlasenko
d6772501db tar: fix and sanitize handling of long filenames/linknames 
(GNU extensions 'K' and 'L').
We correctly handle them when untarring now, but unfortunately
we still don't use them when tarring! That stupid 100 char limit
is still there!
The biggest problem is that we don't support 'pax' tar format.
Linux kernel tarballs are in this format... shame
 2006-11-24 17:21:44 +00:00
Denis Vlasenko
cf30cc82a3 header_verbose_list: stop truncating file size in listing 2006-11-24 14:53:18 +00:00
Denis Vlasenko
376ce1e775 tar: 
* unpack: handle tar header fields which are not NUL terminated
* pack: handle 4+GB files correctly
* pack: refuse to store 101+ softlinks (was truncating link
  target name)
* pack: mask mode with 07777
 2006-11-24 14:51:01 +00:00
Denis Vlasenko
9229794ab3 insmod_ng_main: -80 bytes. Stopp mmapping, use xmalloc_open_read_close(). 2006-11-21 11:58:14 +00:00
Denis Vlasenko
3eb91c2e35 cpio: (allegedly) fix bug 0001095: 
"cpio hardlink support and possible memory leak fix"
 2006-11-21 00:55:46 +00:00
Denis Vlasenko
e1a0d486e4 message string changes, mostly for consistency, also -32 bytes in .rodata 2006-10-20 13:28:22 +00:00
Denis Vlasenko
ea62077b85 add open_read_close() and similar stuff 2006-10-14 02:23:43 +00:00
Denis Vlasenko
1114de7219 od: provide full-blown od from coreutils if CONFIG_DESKTOP 2006-10-10 23:26:05 +00:00
Denis Vlasenko
cba9ef5523 fixes from Vladimir Dronnikov <dronnikov@gmail.ru> 2006-10-10 21:00:47 +00:00
Denis Vlasenko
1385899416 attempt to regularize atoi mess. 2006-10-08 12:49:22 +00:00
Denis Vlasenko
7d219aab70 build system overhaul 2006-10-05 10:17:08 +00:00
Denis Vlasenko
97a8dd3857 g[un]zip: add support for -v (verbose). 
Add CONFIG_DESKTOP, almost all bloat from this change
is hidden under that.
 2006-10-01 15:55:11 +00:00
Denis Vlasenko
3038ac9c19 vconfig: fix bug 701 (I be damned if I understand it) 2006-09-30 19:37:25 +00:00
Denis Vlasenko
c16bd212e3 silly switch style fix 2006-09-27 19:51:06 +00:00
Denis Vlasenko
9213a9e0f2 whitespace cleanup 2006-09-17 16:28:10 +00:00
Denis Vlasenko
6d655be5df removed a lot of trailing \n in bb_msg() calls. It is added 
automatically by function itself.
 2006-09-06 19:02:46 +00:00
Bernhard Reutner-Fischer
5d725462d4 - strip 399424 off the bss by making decompress_uncompress buffers config buffers. 
Compile tested (too lazy to look for a small .Z on the net).
$ size busybox.old busybox
   text    data     bss     dec     hex filename
 859555   10232  645732 1515519  171fff busybox.old
 859683   10232  246308 1116223  11083f busybox
$ make bloatcheck
function                                             old     new   delta
uncompress                                          1036    1160    +124
inbuf                                               2116       4   -2112
outbuf                                              4100       4   -4096
htab                                              131072       - -131072
codetab                                           262144       - -262144
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 1/2 up/down: 124/-399424)   Total: -399300 bytes
 2006-09-06 15:28:32 +00:00
Denis Vlasenko
314908da9e tar: revert older fix (non-portable), added new one. 
testsuite tar-extracts-all-subdirs now passes.
 2006-09-03 14:04:33 +00:00
Denis Vlasenko
06ab5fb6b9 tar: tar xf foo.tar dir/dir did not extract all subdirs. 
Added testsuite entry for this
 2006-09-02 18:40:10 +00:00
Rob Landley
daf58ef61a Use xopen3() instead of an after-the-fact chown. 2006-08-04 17:26:58 +00:00
Rob Landley
d921b2ecc0 Remove bb_ prefixes from xfuncs.c (and a few other places), consolidate 
things like xasprintf() into xfuncs.c, remove xprint_file_by_name() (it only
had one user), clean up lots of #includes...  General cleanup pass.  What I've
been doing for the last couple days.

And it conflicts!  I've removed httpd.c from this checkin due to somebody else
touching that file.  It builds for me.  I have to catch a bus.  (Now you know
why I'm looking forward to Mercurial.)
 2006-08-03 15:41:12 +00:00
"Robert P. J. Day"
eea561871b "formated" -> "formatted" throughout the code base. 2006-07-20 19:02:24 +00:00
Rob Landley
534374755d Cleaup read() and write() variants, plus a couple of new functions like 
xlseek and fdlength() for the new mkswap.
 2006-07-16 08:14:35 +00:00
"Robert P. J. Day"
801ab14013 Add one-line GPL boilerplate to numerous (but not all yet) source files. 2006-07-12 07:56:04 +00:00
Rob Landley
ff6e21c2ce Fix tar so it can extract git-generated tarballs, based on a suggestion 
from Erik Frederiksen.
 2006-07-06 20:30:19 +00:00
"Robert P. J. Day"
63fc1a9e08 Standardize on the vi editing directives being on the first line. 2006-07-02 19:47:05 +00:00
"Robert P. J. Day"
68229837ff Remove all usage of the "register" storage class specifier. 2006-07-01 13:08:46 +00:00
Rob Landley
11c7a7bed6 Various cleanups I made while going through Erik Hovland's patch submissions, 
some of which are even from him. :)
 2006-06-25 22:39:24 +00:00
Rob Landley
b13fee4cbb Since rangecoder is just a bunch of C functions, move it into the one user 
(decompress_unlzma.c).  Also a slight #include cleanup, and I've been meaning
to put #include <unistd.h> into libbb.h since it's so darn common...
 2006-06-20 22:38:00 +00:00
Rob Landley
1ec5b29054 More size shrinkage. 2006-05-29 07:42:02 +00:00
Rob Landley
bba7f08d27 Add SWAP_LE?? and SWAP_BE?? macros, and make things use them. Converts values 
to/from little endian or big endian, which is a NOP if that's what the current
platform already is.
 2006-05-29 05:51:12 +00:00
Rob Landley
8bb50782a5 Change llist_add_* to take the address of the list rather than returning the new 
head, and change all the callers.
 2006-05-26 23:44:51 +00:00
Bernhard Reutner-Fischer
6d0dbeb550 - use ATTRIBUTE_ALWAYS_INLINE if requested 
- use shorter boilerplate while at it
 2006-05-26 13:13:11 +00:00
Mike Frysinger
d9b6b844e5 pull Rules.mak from top_srcdir as pointed out by Robert P. J. Day on the mailing list 2006-05-13 02:33:41 +00:00
Rob Landley
2ad1e7ce44 Patch from Vladamir Oleynik, reducing memory consumption. 2006-05-11 15:23:23 +00:00
Rob Landley
7e21d5f6b1 Patch from Dennis Vlasenko to add the option to compress help text. 2006-04-27 23:34:46 +00:00
Rob Landley
e66c7efc31 Busybox is under the GPL. 2006-04-14 19:25:01 +00:00
Bernhard Reutner-Fischer
6b4377f333 - remove unneeded include, use shorter boilerplate while at it and also 
shrink filter_accept_reject_list() a tiny bit while at it.
   text    data     bss     dec     hex filename
     59       0       0      59      3b filter_accept_reject_list.o
     62       0       0      62      3e filter_accept_reject_list.o.orig
 2006-04-13 13:32:16 +00:00
Rob Landley
c57ec37959 Patch from Rob Sullivan to consolidate crc32 table generation. 2006-04-10 17:07:15 +00:00
Bernhard Reutner-Fischer
fa939aae81 - include proper headers. 2006-04-05 16:21:37 +00:00
Bernhard Reutner-Fischer
cfb53dfd5e - include proper prototypes in libunarchive. 2006-04-02 21:50:01 +00:00
Bernhard Reutner-Fischer
7ab5f4d03d - janitorial: huft_build is never used outside of decompress_unzip.c and has no 
prototype (which suggests that it's of no general use) so make it static for now.
 2006-04-02 21:23:40 +00:00
Bernhard Reutner-Fischer
a1bccc0ba8 - typos: s/compatability/compatibility/g;s/compatable/compatible/g; 2006-04-02 20:17:55 +00:00
Bernhard Reutner-Fischer
df10094870 - revert back to r14406 2006-03-13 19:04:00 +00:00
Rob Landley
bc68cd14cc Patch from Denis Vlasenko turning static const int (which gets emitted into 
the busybox binary) into enums (which don't).
 2006-03-10 19:22:06 +00:00
Rob Landley
49a5599ae9 Patch from Denis Vlasenko to make unlzma smaller. 2006-03-09 17:51:25 +00:00
Bernhard Reutner-Fischer
07a79e75f5 - backout using features which are not available with the previous stable 
version of make (3.71.1).
 2006-03-09 09:03:37 +00:00
Rob Landley
dfba741457 Robert P. Day removed 8 gazillion occurrences of "extern" on function 
definitions.  (That should only be on prototypes.)
 2006-03-06 20:47:33 +00:00
Rob Landley
688ed0d760 Patch from Robert P. Day, moving byte order checks to use platform.h macros. 2006-03-04 22:40:25 +00:00
Bernhard Reutner-Fischer
022eb311d5 - use absolute path for top_builddir and top_srcdir. 
Fixes make trying to include the very same file in an endless loop.
 2006-03-02 17:33:25 +00:00
Bernhard Reutner-Fischer
5d26126b9e - fixes parallel builds (make -j) 
- use less resources for the buildsystem itself
 2006-03-01 22:54:48 +00:00
Rob Landley
e7c43b66d7 Cleanup patch from Denis Vlasenko. Mostly variants of removing the if(x) 
from before "if(x) free(x)".
 2006-03-01 16:39:45 +00:00
"Vladimir N. Oleynik"
325da7b509 use bb_xstrndup vs strndup. Thanks rfelker. 2006-03-01 05:39:41 +00:00
Rob Landley
06249fee39 Bug 640: a filename of length exactly 100 could bleed into the next field on 
display or extract.  (Only shows up when no gnu longname extension, either
because it's disabled or because tarball hasn't got it.)
 2006-02-20 19:28:53 +00:00
Rob Landley
eb00afb2d5 The gentoo security guys found another way to segfault busybox's decompression 
code: we can do a null dereference if one of our huffman tables has all zero
length codes.  This fixes it.  (Thanks solar.)
 2006-02-20 02:18:03 +00:00
Rob Landley
efae294b15 Fix for an integer overflow bug that could cause a segfault on certain 
pathological archives.

(Unlikely to have security implications, the only way to trigger it basically
wound up doing memset(dbuf,x,2^31) and triggering an immediate segfault.  The
test basically gives us a more polite error message.)

Thanks to Ned Ludd and the Gentoo security guys for finding this.
 2006-02-17 05:19:40 +00:00
Rob Landley
2c98c40ec8 The tendency of vi to auto-indent can be really annoying at times. 2006-02-17 05:12:03 +00:00
Rob Landley
f856eabcde More whitespace than you can possibly imagine... 2006-02-17 03:43:49 +00:00
Mike Frysinger
b38673fb9f make the build system puuuuuuuuuuurty 2006-02-02 01:41:53 +00:00
Eric Andersen
d78aea8b8e sort out yet more type issues 2006-01-30 18:00:02 +00:00
Eric Andersen
f55289f4b9 fixup a few types to prevent gcc (rightfully) whining about mixing 
signed and unsigned, unmatches pointer target types, etc
 2006-01-30 17:27:00 +00:00
Tim Riker
c1ef7bdd8d just whitespace 2006-01-25 00:08:53 +00:00
Bernhard Reutner-Fischer
86f5c9906b - add platform.h. 
- use shorter boilerplate while at it.
 2006-01-22 22:55:11 +00:00
Rob Landley
c1d69906a0 Patch from Aurelien Jacobs to add unlzma. (A new decompression type, 
see www.7-zip.org)
 2006-01-20 18:28:50 +00:00
Bernhard Reutner-Fischer
7ca61b6f33 - shared libbusybox. 
- IMA compilation option (aka IPO, IPA,..)
Please holler if i broke something..
 2006-01-15 14:04:57 +00:00
Rob Landley
9e4100bf95 Don't return 0 when there's an error. 2006-01-10 06:19:56 +00:00
Bernhard Reutner-Fischer
823f80f5ad - silence warning about unused param 
needs revisit later on like many others to use ATTRIBUTE_UNUSED from platform.h
 2005-12-29 21:17:05 +00:00
Rob Landley
5412843e79 I noticed that "tar tvjf file.tbz" was segfaulting. This fixed it. 2005-11-12 02:54:06 +00:00
Rob Landley
f3d6c94c7f Add --no-same-owner and --no-same-permissions options to tar. 2005-10-27 22:49:08 +00:00
Bernhard Reutner-Fischer
309dc2d642 - typo in makefile variable: s/archvial/archival/ 2005-10-13 10:19:35 +00:00
Rob Landley
161aae7273 There doesn't seem to be a standard header for makedev(), but this is close. 2005-10-11 20:17:30 +00:00
Bernhard Reutner-Fischer
0b42a6a8cf - remove superfluous C statements ";;" in decompress_unzip.c, dpkg_deb.c ifconfig.c 
- gzip.c: see if O_NOFOLLOW is defined before using it, else take alternate path
closes bug #221 (partially; The rest will follow later).
 2005-10-07 11:34:50 +00:00
Rob Landley
1ff789c567 Stop gcc4 from nit-picking about signedness of char *. 2005-09-25 03:12:26 +00:00
Rob Landley
2d2c868aab Patch from Berhnard Fischer to keep duplicate objects out of the library. 2005-09-14 15:41:18 +00:00
"Vladimir N. Oleynik"
0c520e03b9 remove unrequired dependences 2005-09-14 15:36:56 +00:00
Rob Landley
b7128c6236 Cleanup patch by Bernhard Fischer, removing unnecessary includes of 
getopt.h, whitespace changes, typos, etc.
 2005-09-11 01:05:30 +00:00
"Vladimir N. Oleynik"
1443487c92 typo, thanks, Bernhard Fischer 2005-09-06 13:21:39 +00:00
Rob Landley
29ee76cb2b Anand Avati hit an integer overflow problem in our unzip code. 2005-08-31 22:03:15 +00:00
Mike Frysinger
1eef0c4571 Bernhard Fischer says: use xmalloc() instead of malloc() 2005-08-16 05:32:42 +00:00
Mike Frysinger
cc428da83f punt unused variable 2005-07-30 08:58:19 +00:00
Mike Frysinger
4d00896d05 use toplevel ARFLAGS and update default ARFLAGS to be quiet 2005-07-27 01:09:24 +00:00
Paul Fox
0840b76602 applying fixes from: 
0000142: unzip enhancements
 2005-07-20 20:26:49 +00:00
Paul Fox
94ff9f1010 applying fix for: 
0000262: tar -x doesn't believe it has reached the end of archive
 2005-07-20 19:24:13 +00:00
Mike Frysinger
5c9ed9f41a fix printf warning 2005-04-20 00:28:44 +00:00
Eric Andersen
14f5c8d764 Patch from Bernhard Fischer to make a bunch of symbols static 
which were otherwise cluttering the global namespace.
 2005-04-16 19:39:00 +00:00
Manuel Novoa III
0d8c652c46 When filling the bit buffer, gzip decompression apparently never checked for end of file, causing it to hang on corrupted input. 2005-03-01 19:29:29 +00:00
Rob Landley
a8b98d63e7 Don't document compiler warnings. _FIX_ compiler warnings. 2004-11-16 12:07:04 +00:00
Eric Andersen
0e020d1025 Make certain clients of bb_make_directory default to honoring 
the user's umask
 2004-10-13 06:25:52 +00:00
Eric Andersen
7daa076d3e egor duda writes: 
Hi!

I've created a patch to busybox' build system to allow building it in
separate tree in a manner similar to kbuild from kernel version 2.6.

That is, one runs command like
'make O=/build/some/where/for/specific/target/and/options'
and everything is built in this exact directory, provided that it exists.

I understand that applyingc such invasive changes during 'release
candidates' stage of development is at best unwise. So, i'm currently
asking for comments about this patch, starting from whether such thing
is needed at all to whether it coded properly.

'make check' should work now, and one make creates Makefile in build
directory, so one can run 'make' in build directory after that.

One possible caveat is that if we build in some directory other than
source one, the source directory should be 'distclean'ed first.

egor
 2004-10-08 07:46:08 +00:00
Eric Andersen
b225e2a76b Fixup some warnings 2004-08-28 00:43:07 +00:00
Eric Andersen
4f807a84c5 BusyBox has no business hard coding the number of major and minor bits for a 
dev_t.  This is especially important now that the user space concept of a dev_t
and the kernel concept of a dev_t are divergant.  The only bit of user space
allowed to know the number of major and minor bits is include/sys/sysmacros.h
(i.e. part of libc).  When used with a current C library and a 2.6.x kernel,
this fix should allow BusyBox to support wide device major/minor numbers.
 -Erik
 2004-07-26 09:11:12 +00:00
Glenn L McGrath
faa3546fd7 Fix symlink handling and small memory leak 2004-04-29 09:24:19 +00:00
Glenn L McGrath
c6992feee3 Update my email address, document some of my tasks in the AUTHORS file 2004-04-25 05:11:19 +00:00
Eric Andersen
aff114c33d Larry Doolittle writes: 
This is a bulk spelling fix patch against busybox-1.00-pre10.
If anyone gets a corrupted copy (and cares), let me know and
I will make alternate arrangements.

Erik - please apply.

Authors - please check that I didn't corrupt any meaning.

Package importers - see if any of these changes should be
passed to the upstream authors.

I glossed over lots of sloppy capitalizations, missing apostrophes,
mixed American/British spellings, and German-style compound words.

What is "pretect redefined for test" in cmdedit.c?

Good luck on the 1.00 release!

      - Larry
 2004-04-14 17:51:38 +00:00
Glenn L McGrath
958ac18d4e Add a comment explaining why we have to check for an extra \n 2004-04-09 06:59:05 +00:00
Eric Andersen
762c64fdf1 rename uncompress.c to decompress_uncompress.c 
rename unzip.c to decompress_unzip.c
 2004-04-05 13:03:34 +00:00
Eric Andersen
8ee2b27f0c Add missing include files 2004-03-27 11:26:32 +00:00
Eric Andersen
70060d25d2 s/fileno\(stdin\)/STDIN_FILENO/g 
s/fileno\(stdout\)/STDOUT_FILENO/g
 2004-03-27 10:02:48 +00:00
Eric Andersen
c7bda1ce65 Remove trailing whitespace. Update copyright to include 2004. 2004-03-15 08:29:22 +00:00
Glenn L McGrath
15c3512614 Sometimes i get carried away with the use of function pointers, im sure 
it seemed like a good idea at the time.
 2004-02-21 09:20:56 +00:00
Glenn L McGrath
916ba53f1a Fix up hard links 2004-02-20 02:34:42 +00:00
Glenn L McGrath
c9f1fce9bb A strict interpretation of the ustar format requires the type flag to be 
interpreted, we cannot depend on the file type being set in the mode
field.
 2004-02-20 02:25:18 +00:00
Glenn L McGrath
b0e163a93b Add extra comments, freakout if a pax archive is encoutered. 2004-02-19 08:48:30 +00:00
Glenn L McGrath
a8f756fc7f Remove debugging 2004-02-17 12:04:13 +00:00
Glenn L McGrath
6aa52234e8 Dont strip trailing '/' until _after_ i test to set if its there ! 2004-02-17 11:55:06 +00:00
Glenn L McGrath
08ca752c68 Fix usage with libraries, skip symbol table. 2004-01-04 11:06:34 +00:00
Glenn L McGrath
334dc65c92 Fix a bug of mine where extracting files to stdout would extract to 
much, modified patch from Bastian Blank
 2003-12-22 21:02:41 +00:00
Eric Andersen
67ff3a1ffd Don't hose up perms for files that happen to have symlinks 
in the tarball that point to them.
 -Erik
 2003-12-21 08:59:24 +00:00
Glenn L McGrath
e39ee01821 Fix tar hard links 2003-11-27 00:01:43 +00:00
Glenn L McGrath
7ffe133864 As we no longer use function pointers for read in common archiving code 
archive_xread can be replaced with bb_full_read, and archive_copy_file
with bb_copyfd*
bb_copyfd is split into two functions bb_copyfd_size and bb_copyfd_eof,
they share a common backend.
 2003-11-21 22:24:57 +00:00
Glenn L McGrath
1a2d75fd72 Use safe read 2003-11-21 22:17:28 +00:00
Glenn L McGrath
2cd1eb16ad Remove unused function 2003-11-20 22:36:57 +00:00
Glenn L McGrath
e857122c97 Fix tar-handles-nested-exclude testcase 2003-11-20 10:47:06 +00:00
Glenn L McGrath
90c9df93f3 Dont attempt to unlink directories 2003-11-20 08:00:38 +00:00
Glenn L McGrath
56f16b42c9 tar -Z, uncompress support 2003-11-18 21:37:52 +00:00
Glenn L McGrath
20872be9a4 Dont close original file handle, we may need it later. 2003-11-18 21:31:19 +00:00
Glenn L McGrath
f074afc2a0 Dont free filename, its needed in the extracted files list. 2003-11-17 21:58:00 +00:00
Glenn L McGrath
8dc8cb133c Fix a bug where cpio wouldnt work unless -u was specified 2003-11-15 23:44:31 +00:00
Glenn L McGrath
5699b8525e Move from read_gz to the pipe()+fork() method. 
open_transformer(), common code for pipe+fork.
Function pointer for read() no longer needed.
Allow inflate to be initialised with a specified buffer size to avoid
over-reading.
Reset static variables in inflate_get_next_window to fix a bug where
only the first file in a .zip would be be extracted.
 2003-11-15 23:19:05 +00:00
Glenn L McGrath
54ac057c00 Fix memory leaks 2003-11-15 00:24:43 +00:00
Glenn L McGrath
e57feeb9e6 Keep trying to find a good header, if we exit it will cause .tar.gz 
files to compute incorrect crc and length for gzip
 2003-11-14 12:57:14 +00:00
Glenn L McGrath
7b215b99b2 Fix build error with tar -j 2003-11-14 09:22:24 +00:00
Glenn L McGrath
1a41db8eaf Remove some tar_gz stuff that get dragged in 2003-11-14 09:21:27 +00:00
Glenn L McGrath
94cf153c2b Remove debugging noise. 2003-11-14 08:30:46 +00:00
Glenn L McGrath
d09bcecda8 Read in blocks rather than one char at a time, greatly improves speed 2003-11-14 08:26:25 +00:00
Eric Andersen
28d4e16cd7 This appears to be the correct fix to make CONFIG_FEATURE_DEB_TAR_BZ2 
support compile.  Glenn, you may want to verify this.
 -Erik
 2003-11-07 21:31:58 +00:00
Eric Andersen
d2160aaeab fix comment 2003-11-07 21:22:09 +00:00
Glenn L McGrath
2685724e23 Fix tar -j support 
Use the old fork() method of tar compression support, rather than
read_bz2....
 - (*uncompress)(int in, int out) seems like a more natural interface
for compression code.
 - it might improve performance by seperating the work into one cpu
bound and one io bound process.
 - There is extra code required to do read_[gz|bunzip] since (*uncompress)(int in,
int out) will normally be used by the standalone compression applet.

There have been problems with this method so if you see a "Short read"
error let me know.
 2003-11-05 04:55:58 +00:00
Eric Andersen
8179cf2b78 Put back the tar support stubs (and warnings) for now. 2003-10-31 08:52:57 +00:00
Eric Andersen
0120be94a0 Fix stupid typo 2003-10-31 00:21:28 +00:00
Glenn L McGrath
1c834407e3 Add some error messages, use xmalloc instead of malloc 2003-10-28 23:32:12 +00:00
Glenn L McGrath
e81fc5fb30 Conditionally compile some files. 
This hides a bug related to the new bunzip code in the tar and dpkg[-deb]
applets.
It will also reduce compile time a little as some unused files wont be
compiled.
 2003-10-28 10:44:58 +00:00
Eric Andersen
5fa4db29f7 Another bzip2 update and speedup from Manuel Novoa III, with some 
additional changes (primarily lots of comments) from Rob Landley.
 2003-10-23 06:52:01 +00:00
Eric Andersen
1acfb72e71 Manuel Novoa III writes: 
Hello Rob,

Here's a patch to your bunzip-3.c file.  Nice work btw.

One minor bug fix... checking for error return when read()ing.
Some size/performance optimizations as well.  One instance of
memset() seems unnecssary.  You might want to take a look.

Anyway, on my machine, decompressing linux-2.6.0-test7.tar.bz2
to /dev/null gave the following times:

        bunzip-3.c    bzcat (system)   bunzip-3.c (patched)
real    0m24.420s     0m22.725s        0m20.701s
user    0m23.930s     0m22.170s        0m20.180s
sys     0m0.070s      0m0.080s         0m0.140s

Size of the patched version is comparable (slightly larger or
smaller depending on compiler flags).

Manuel
 2003-10-18 01:59:46 +00:00