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| * make xmalloc_open_zipped_read_close result NUL terminatedDenys Vlasenko2014-12-071-1/+2
| | | | | | | | | | | | Compat with xmalloc_open_read_close Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * libarchive: add capability to unpack to mem.bufferDenys Vlasenko2014-12-0712-110/+211
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The performance and number of processes for a "depmod -a" with gzipped modules was abysmal. This patch adds a code path without fork, benefiting all users of xmalloc_open_zipped_read_close. "modinfo radeon.ko.gz", a single-file reader, got 30% faster. "depmod -a", which used to fork over 800 times, got 20% faster. Heavily based on a patch by Lauri Kasanen <curaga@operamail.com> function old new delta setup_transformer_on_fd - 159 +159 transformer_write - 122 +122 fork_transformer - 112 +112 xmalloc_open_zipped_read_close 63 118 +55 read_bunzip 1866 1896 +30 xtransformer_write - 19 +19 unzip_main 2449 2462 +13 bbunpack 755 766 +11 unpack_lzma_stream 2717 2723 +6 unpack_xz_stream 2393 2397 +4 unpack_Z_stream 1173 1175 +2 inflate_unzip 111 105 -6 check_signature16 70 63 -7 unpack_bz2_stream 359 349 -10 unpack_unxz 12 - -12 unpack_unlzma 12 - -12 unpack_uncompress 12 - -12 unpack_gunzip 12 - -12 unpack_bunzip2 12 - -12 open_transformer 106 92 -14 inflate_unzip_internal 1945 1916 -29 unpack_gz_stream 693 655 -38 open_zipped 89 47 -42 setup_unzip_on_fd 142 53 -89 ------------------------------------------------------------------------------ (add/remove: 4/5 grow/shrink: 7/8 up/down: 533/-295) Total: 238 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Rename transformer_aux_data_t -> transformer_state_tDenys Vlasenko2014-12-0712-58/+58
| | | | | | | | | | | | No code changes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | Omit functions not required if seamless compression is disabledRon Yorston2014-11-291-5/+3
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* | Move definition of bb_got_signal to mingw.cRon Yorston2014-11-291-4/+0
| | | | | | | | | | On POSIX platforms bb_got_signal is defined in libbb/signals.c; for MinGW put the definition in win32/mingw.c. This is better than the
* | Merge branch 'busybox' into mergeRon Yorston2014-06-303-0/+6
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| * cpio: reinstate "options:" line in help textDenys Vlasenko2014-06-301-0/+1
| | | | | | | | | | | | | | Otherwise, help text is confusing: where do operation modes end and where options start? Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * lzop: add overflow checkDenys Vlasenko2014-06-302-0/+5
| | | | | | | | | | | | | | | | | | | | See CVE-2014-4607 http://www.openwall.com/lists/oss-security/2014/06/26/20 function old new delta lzo1x_decompress_safe 1010 1031 +21 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | Merge branch 'busybox' into mergeRon Yorston2014-03-117-18/+28
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| * unlzma: add comments about possible bug from BZ 2689Denys Vlasenko2014-02-281-0/+6
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * unlzma: move some variables in "more local" scopeDenys Vlasenko2014-02-281-7/+10
| | | | | | | | | | | | No code changes as verified by objdump Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * zcat: complain if input is not compressedDenys Vlasenko2014-02-026-20/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * libbb: open_zipped() should not fail on non-compressed filesDenys Vlasenko2014-01-271-1/+10
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | Merge branch 'busybox' into mergeRon Yorston2014-01-132-13/+14
|\| | | | | | | | | | | Conflicts: include/platform.h scripts/basic/fixdep.c
| * tar: tighten up pax header validity checkDenys Vlasenko2014-01-101-1/+3
| | | | | | | | | | | | | | function old new delta get_header_tar 1785 1795 +10 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * libarchive: open_zipped() does not need to check extensions for e.g. gzipDenys Vlasenko2014-01-101-12/+11
| | | | | | | | | | | | | | | | | | 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>
* | Define bb_got_signal for use in tar on mingw32Ron Yorston2014-01-021-0/+4
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* | Merge branch 'busybox' into mergeRon Yorston2014-01-0221-431/+477
|\| | | | | | | | | | | Conflicts: archival/Config.src shell/ash.c
| * fix assorted unused code and wrong format specs found by cppchekc (bug 6716)Denys Vlasenko2013-11-294-6/+2
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * dpkg-deb: cosmetic correction to usage textDaniel Borca2013-11-281-1/+1
| | | | | | | | | | Signed-off-by: Daniel Borca <dborca@yahoo.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * tar: prevent empty file to be treated as valid tarballDenys Vlasenko2013-11-191-3/+10
| | | | | | | | | | | | | | function old new delta tar_main 879 895 +16 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * tar: fix exitcode check for MMU-spawned unpacking helpersDenys Vlasenko2013-11-192-9/+10
| | | | | | | | | | | | | | | | | | | | 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>
| * archival/*: move "config:" snippets into .c filesDenys Vlasenko2013-11-1413-353/+349
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * archival/*: move "applet:" snippets into .c files, part 2Denys Vlasenko2013-11-143-1/+8
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * archival/*: move "applet:" snippets into .c filesDenys Vlasenko2013-11-1411-5/+15
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * archival/*: move "kbuild:" snippets into .c filesDenys Vlasenko2013-11-1413-26/+35
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Fix some compiler warnings emitted by gcc-4.8.0Denys Vlasenko2013-10-162-7/+7
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * bunzip2: fix off-by-one checkDenys Vlasenko2013-10-061-8/+18
| | | | | | | | | | | | | | | | | | | | | | 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>
| * ar: better commentDenys Vlasenko2013-09-101-2/+5
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ar: read_num(): fix reading fields using the entire widthPeter Korsgaard2013-09-101-12/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | Merge branch 'busybox' into mergeRon Yorston2013-08-275-47/+99
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| * tar: fix tar -T to add entries in the exact order as the input listSASAKI Suguru2013-08-151-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | 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>
| * unpackers: by users' request, print compression percentage if -v and DESKTOPDenys Vlasenko2013-07-301-13/+23
| | | | | | | | | | | | | | function old new delta bbunpack 634 731 +97 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * unzip: survive lack of CDF on non-streaming zip filesDenys Vlasenko2013-07-211-16/+39
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * unzip: increase PEEK_FROM_END from 16k to 64kDenys Vlasenko2013-07-201-1/+8
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * *: change execl sentinels from NULL to (char*)0Rich Felker2013-06-302-2/+2
| | | | | | | | | | Signed-off-by: Rich Felker <dalias@aerifal.cx> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Fix build failures caused by not compiling open_transformer.c (#2)Denys Vlasenko2013-05-151-0/+3
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Fix build failures caused by not compiling open_transformer.cDenys Vlasenko2013-05-121-12/+23
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | Merge branch 'busybox' into mergeRon Yorston2013-03-1912-246/+345
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| * archival: note implicit dependencies between lzop & bbunzipMike Frysinger2013-03-032-0/+2
| | | | | | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * decompress_unlzma: move function, no code changesDenys Vlasenko2013-03-011-7/+6
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * decompress_unlzma: 10% speedup in "small" codeDenys Vlasenko2013-03-011-1/+1
| | | | | | | | | | | | | | | | 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>
| * decompress_unlzma: make "fast" version a bit smallerDenys Vlasenko2013-03-011-10/+4
| | | | | | | | | | | | | | | | | | | | 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>
| * lzop: fiq -q and OPTION_DECOMPRESS mismatchDenys Vlasenko2013-03-011-15/+16
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * bbunzip: fix order of flags vs bit definesMike Frysinger2013-02-281-4/+4
| | | | | | | | | | | | | | Too much code shuffling. Reported-by: Mandeep Singh Baines <msb@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * bbunzip: ignore the -q flag with the decompressorsMike Frysinger2013-02-281-6/+7
| | | | | | | | | | | | | | | | 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>
| * zcat: fix "zcat FILE" trying to do detection twiceDenys Vlasenko2013-02-281-8/+7
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * zcat: if seamless uncompressors are defined, autodetect file's formatDenys Vlasenko2013-02-281-14/+40
| | | | | | | | | | | | | | | | | | 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>
| * fix error message on failure to oen /dev/null; fix zcat's help textDenys Vlasenko2013-02-281-6/+6
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * code shrink in check_errors_in_children()Denys Vlasenko2013-02-281-3/+8
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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