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| * gzip: trivial code shrink -5 bytesDenys Vlasenko2015-02-031-4/+4
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * gzip: speed up and shrink put_16bit()Denys Vlasenko2015-02-021-7/+34
| | | | | | | | | | | | | | function old new delta put_16bit 104 98 -6 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * gzip: do not store timestamp in gzip headerRich Felker2015-02-021-4/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Storing the original file's modification time in the output file is harmful (precludes deterministic results) and unlike official gzip, the busybox version provides no way to suppress this behavior; the -n option is silently ignored. Rather than trying to make -n work, this patch just removes the timestamp-storing functionality. It should be considered deprecated anyway; it's not Y2038-safe and gunzip ignores it by default. Per RFC 1952, 0 is the correct value to store to indicate that there is no timestamp. Signed-off-by: Rich Felker <dalias@libc.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * dpkg: update supported compression methodsDenys Vlasenko2015-01-305-0/+49
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on a patch by Ron Yorston <rmy@tigress.co.uk> function old new delta get_header_tar_xz - 60 +60 filter_accept_list_reassign 128 188 +60 unpack_package 585 621 +36 init_archive_deb_control 52 76 +24 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 3/0 up/down: 180/0) Total: 180 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | ar: fix modification of existing archivesRon Yorston2015-03-041-1/+15
| | | | | | | | | | | | | | When modifying an existing archive the code opens the old file, unlinks it and creates a new file with the same name. This doesn't work on Windows where it isn't possible to unlink an open file. Instead we create a temporary file for output and change it's name when we're done.
* | Merge commit '1_23_0' into mergeTIG_1_23_0Ron Yorston2015-01-231-5/+3
|\| | | | | | | | | Conflicts: libbb/lineedit.c
| * randomconfig fixesDenys Vlasenko2014-12-221-5/+3
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | Use MinGW-w64 by defaultRon Yorston2015-01-072-2/+2
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* | Changes to allow building with MinGW-w64Ron Yorston2015-01-052-0/+6
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* | Merge branch 'busybox' into mergeRon Yorston2014-12-1415-177/+267
|\| | | | | | | | | | | | | Conflicts: archival/libarchive/open_transformer.c libbb/lineedit.c miscutils/man.c
| * tar: fix "tar -cJ" ignoring -J option. closes 7706Denys Vlasenko2014-12-111-38/+28
| | | | | | | | | | | | | | | | | | function old new delta tar_main 895 938 +43 vfork_compressor 206 191 -15 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 43/-15) Total: 28 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * 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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