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2014-02-28unlzma: add comments about possible bug from BZ 2689Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-02-28unlzma: move some variables in "more local" scopeDenys Vlasenko
No code changes as verified by objdump Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-02-02zcat: complain if input is not compressedDenys Vlasenko
function old new delta buffer_fill_and_print 178 191 +13 varvalue 735 743 +8 bbunpack 747 755 +8 open_zipped 85 89 +4 xmalloc_open_zipped_read_close 61 63 +2 get_addr_1 240 242 +2 fbsplash_main 1228 1230 +2 pstree_main 322 321 -1 builtin_type 121 119 -2 do_load 954 926 -28 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 7/3 up/down: 39/-31) Total: 8 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-01-27libbb: open_zipped() should not fail on non-compressed filesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-01-10tar: tighten up pax header validity checkDenys Vlasenko
function old new delta get_header_tar 1785 1795 +10 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-01-10libarchive: open_zipped() does not need to check extensions for e.g. gzipDenys Vlasenko
We only need to check for signature-less extensions, currently only .lzma. The rest can be happily autodetected. This fixes "zcat FILE_WITHOUT_GZ_EXT" case, among others. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-11-29fix assorted unused code and wrong format specs found by cppchekc (bug 6716)Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-11-28dpkg-deb: cosmetic correction to usage textDaniel Borca
Signed-off-by: Daniel Borca <dborca@yahoo.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-11-19tar: prevent empty file to be treated as valid tarballDenys Vlasenko
function old new delta tar_main 879 895 +16 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-11-19tar: fix exitcode check for MMU-spawned unpacking helpersDenys Vlasenko
Testcase: tar xvzf EMPTY_FILE function old new delta open_transformer 102 106 +4 get_header_tar 1781 1785 +4 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-11-14archival/*: move "config:" snippets into .c filesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-11-14archival/*: move "applet:" snippets into .c files, part 2Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-11-14archival/*: move "applet:" snippets into .c filesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-11-14archival/*: move "kbuild:" snippets into .c filesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-10-16Fix some compiler warnings emitted by gcc-4.8.0Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-10-06bunzip2: fix off-by-one checkDenys Vlasenko
stage3-armv7a_hardfp-20130209.tar.bz2, 149189948 bytes long, md5sum b29ce23312e14eb15a143377d4a38473, was failing to unpack. It so happened that this file has a run which exactly fills the 90k buffer. The check was "size >= bufsize", apparently it has to be ">". Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-09-10ar: better commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-09-10ar: read_num(): fix reading fields using the entire widthPeter Korsgaard
ar fields are fixed length text strings (padded with spaces). Ensure bb_strtou doesn't read past the field in case the full width is used. The fields are only read once, so the simplest/smallest solution to me seems to be to just pass the length to read_num() and then zero terminate the string before passing it to bb_strtou. This does mean that the fields MUST be read in reverse order, so some minor reshuffling was needed. Bloat-o-meter: function old new delta get_header_ar 394 414 +20 read_num 29 36 +7 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 27/0) Total: 27 bytes Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-08-15tar: fix tar -T to add entries in the exact order as the input listSASAKI Suguru
This fixes tar to order files in tarball correctly in this case: $ touch 1 2 3; echo -e '1\n2\n3' | tar -T- -c | tar t 1 2 3 Signed-off-by: SASAKI Suguru <suguru@sonik.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-07-30unpackers: by users' request, print compression percentage if -v and DESKTOPDenys Vlasenko
function old new delta bbunpack 634 731 +97 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-07-21unzip: survive lack of CDF on non-streaming zip filesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-07-20unzip: increase PEEK_FROM_END from 16k to 64kDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-06-30*: change execl sentinels from NULL to (char*)0Rich Felker
Signed-off-by: Rich Felker <dalias@aerifal.cx> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-05-15Fix build failures caused by not compiling open_transformer.c (#2)Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-05-12Fix build failures caused by not compiling open_transformer.cDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-03-03archival: note implicit dependencies between lzop & bbunzipMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-03-01decompress_unlzma: move function, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-03-01decompress_unlzma: 10% speedup in "small" codeDenys Vlasenko
text data bss dec hex filename 1796 0 0 1796 704 decompress_unlzma.o 1801 0 0 1801 709 decompress_unlzma.o Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-03-01decompress_unlzma: make "fast" version a bit smallerDenys Vlasenko
It is not slower. In fact it seems a tiny bit faster too. text data bss dec hex filename 2827 0 0 2827 b0b decompress_unlzma.o 2797 0 0 2797 aed decompress_unlzma.o Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-03-01lzop: fiq -q and OPTION_DECOMPRESS mismatchDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-28bbunzip: fix order of flags vs bit definesMike Frysinger
Too much code shuffling. Reported-by: Mandeep Singh Baines <msb@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-02-28bbunzip: ignore the -q flag with the decompressorsMike Frysinger
The -q flag is used in shell scripts for suppressing output. Have our applets swallow the flag for compatibility. Reported-by: Mandeep Singh Baines <msb@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-02-28zcat: fix "zcat FILE" trying to do detection twiceDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-28zcat: if seamless uncompressors are defined, autodetect file's formatDenys Vlasenko
function old new delta bbunpack 526 622 +96 packed_usage 29335 29341 +6 gunzip_main 64 67 +3 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-28fix error message on failure to oen /dev/null; fix zcat's help textDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-28code shrink in check_errors_in_children()Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-27xz: fix put_unaligned_{l,b}e32Leonid Lisovskiy
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-27xz: support concatenated .xz streamsLasse Collin
function old new delta xz_dec_reset - 77 +77 unpack_xz_stream 2402 2397 -5 Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-27xz: mention xzminidec.c in READMELasse Collin
Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-27xz: fix incorrect XZ_BUF_ERRORLasse Collin
xz_dec_run() could incorrectly return XZ_BUF_ERROR if all of the following was true: - The caller knows how many bytes of output to expect and only provides that much output space. - When the last output bytes are decoded, the caller-provided input buffer ends right before the LZMA2 end of payload marker. So LZMA2 won't provide more output anymore, but it won't know it yet and thus won't return XZ_STREAM_END yet. - A BCJ filter is in use and it hasn't left any unfiltered bytes in the temp buffer. This can happen with any BCJ filter, but in practice it's more likely with filters other than the x86 BCJ. This fixes <https://bugzilla.redhat.com/show_bug.cgi?id=735408> where Squashfs thinks that a valid file system is corrupt. Thanks to Jindrich Novy for telling me that such a bug report exists, Phillip Lougher for providing excellent debug info, and other people on #fedora-ppc. This also fixes a similar bug in single-call mode where the uncompressed size of a XZ Block using BCJ + LZMA2 was 0 bytes and caller provided no output space. Many empty .xz files don't contain any Blocks and thus don't trigger this bug. This also tweaks a closely related detail: xz_dec_bcj_run() could call xz_dec_lzma2_run() to decode into temp buffer when it was known to be useless. This was harmless although it wasted a minuscule number of CPU cycles. Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-27xz: fix decoding of LZMA2 streams having no uncompressed data.Lasse Collin
No .xz encoder creates files with empty LZMA2 streams, but such files would still be valid and decompressors must accept them. Note that empty .xz files are a different thing than empty LZMA2 streams. This bug didn't affect typical .xz files that had no uncompressed data. Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-27cz: add C++ support to xz.hLasse Collin
Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-27xz: remove an empty line from xz_dec_lzma2.cLasse Collin
Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-27xz: make bcj_x86_test_msbyte() an inline functionLasse Collin
Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-27xz: add a comment about using uint32_t as vli_typeLasse Collin
Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-27xz: avoid "NOTE:" in xz.hLasse Collin
Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-27xz: update READMELasse Collin
Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-27xz: omit explicit \0 from HEADER_MAGICLasse Collin
Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-20rpm: unmap rpm file before working with next oneDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-20rpm: stop using statics; move main() to the end of the source fileDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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