Age | Commit message (Collapse) | Author |
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coreutils grew itself a tiny simplistic alternative to ln:
Usage: link FILE LINK
Create hard LINK to FILE
function old new delta
link_main - 75 +75
packed_usage 31114 31131 +17
applet_names 2564 2569 +5
applet_main 1480 1484 +4
applet_install_loc 185 186 +1
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(add/remove: 1/0 grow/shrink: 4/0 up/down: 102/0) Total: 102 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Redundant help texts (one which only repeats the description)
are deleted.
Descriptions and help texts are trimmed.
Some config options are moved, even across menus.
No config option _names_ are changed.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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These parts of the code essentially check whether
stepping back by rep0 goes negative or not.
LZMA SDK from lzma1604.7z has the following in the corresponding places:
... = dic[dicPos - rep0 + (dicPos < rep0 ? dicBufSize : 0)]
Clearly, not loop here.
Technically, "while" here works: if condition is false (because pos
underflowed), it iterates once, adds header.dict_size (a.k.a. dicBufSize),
this makes pos positive but smaller than header.dict_size, and loop exits.
Now we'll just check for negative result of subtraction, which is less code:
function old new delta
unpack_lzma_stream 2659 2641 -18
(I hope 2 Gbyte+ dictionaries won't be in use soon).
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Large nested indented code blocks made more sane with a few gotos.
function old new delta
unzip_main 2491 2519 +28
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
unzip_main 2476 2491 +15
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
unzip_main 2376 2476 +100
bbunpack 750 745 -5
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Idea copied from the "ip" applet.
Signed-off-by: Kang-Che Sung <explorer09@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This example single-applet configuration would trigger the bloat:
CONFIG_FEATURE_SEAMLESS_XZ=y
CONFIG_FEATURE_SEAMLESS_LZMA=y
CONFIG_FEATURE_SEAMLESS_BZ2=y
CONFIG_FEATURE_SEAMLESS_GZ=y
CONFIG_BUNZIP2=y
# CONFIG_ZCAT is not set
# All other applets disabled
Here, the resulting "busybox-bunzip2" binary would contain
unpack_gz_stream, unpack_lzma_stream and unpack_xz_stream functions
code. In other words, the gzip, lzma and xz decompressors' code are
linked into the binary unnecessarily.
This happens because SEAMLESS_MAGIC != 0 and compiler is unable
to figure out that SEAMLESS_MAGIC bit is never set.
Fix this by disabling SEAMLESS_MAGIC option flag (setting its value
to 0) when zcat is disabled. This will help the compiler optimize out
bbunpack() and no longer generate open_zipped() function call.
Signed-off-by: Kang-Che Sung <explorer09@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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While at it, shorten many field and variable names.
function old new delta
unzip_main 2334 2376 +42
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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archival/unzip.c: In function 'read_next_cdf':
archival/unzip.c:271:8: warning: variable 'org' set but
not used [-Wunused-but-set-variable]
off_t org;
^~~
Signed-off-by: Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn@axis.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
unzip_main 2437 2350 -87
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
packed_usage 30261 30236 -25
dpkg_deb_main 437 401 -36
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-61) Total: -61 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Its usage in C code was removed in 2004.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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fix broken logic to get the gzip_level_config value from options -1 to
-9.
This fixes an off-by-one bug that caused gzip -9 output bigger files
than the other compression levels.
It fixes so that compression level 1 to 3 are actually mapped to level 4
as comments say.
It also fixes that levels -4 to -9 is mapped to correct level and avoids
out-of-bounds access.
Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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In many cases, this aqllows to drop use of opt_complementary.
Approximately -400 bytes:
function old new delta
getopt32 1423 1502 +79
opt_string 17 18 +1
OPT_STR 24 25 +1
uniq_main 416 406 -10
timeout_main 279 269 -10
sulogin_main 270 260 -10
readprofile_main 1825 1815 -10
ps_main 543 533 -10
pidof_main 245 235 -10
pgrep_main 611 601 -10
od_main 2600 2590 -10
mkfs_minix_main 2684 2674 -10
mkfs_ext2_main 2603 2593 -10
microcom_main 712 702 -10
makemime_main 315 305 -10
ionice_main 282 272 -10
inetd_main 2074 2064 -10
ifplugd_main 1144 1134 -10
halt_main 353 343 -10
getopt_main 636 626 -10
fdisk_main 2854 2844 -10
env_main 206 196 -10
dmesg_main 319 309 -10
conspy_main 1214 1204 -10
awk_main 981 971 -10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/22 up/down: 81/-220) Total: -139 bytes
text data bss dec hex filename
919373 906 14060 934339 e41c3 busybox_old
918969 906 14060 933935 e402f busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Last commit broke it (on both MMU and NOMMU)
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The somewhat new "unpack in memory" code was broken
for xmalloc_open_zipped_read_close() on NOMMU: we seek back
over signature, but then expect it to be already consumed.
Stop seeking back in this case.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The result of looking at "grep -F -B2 '*fill*' busybox_unstripped.map"
text data bss dec hex filename
829901 4086 1904 835891 cc133 busybox_before
829665 4086 1904 835655 cc047 busybox
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The config item is FEATURE_USE_BSS_TAIL. When it is off (default):
function old new delta
read_config 210 228 +18
doCommands 2279 2294 +15
ipneigh_list_or_flush 763 772 +9
ipaddr_list_or_flush 1256 1261 +5
display_process_list 1301 1306 +5
conspy_main 1378 1383 +5
do_lzo_compress 352 355 +3
do_lzo_decompress 565 567 +2
push 46 44 -2
inetd_main 2136 2134 -2
uevent_main 421 418 -3
addLines 97 92 -5
bb_common_bufsiz1 8193 1024 -7169
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(add/remove: 0/0 grow/shrink: 8/5 up/down: 62/-7181) Total: -7119 bytes
text data bss dec hex filename
829850 4086 9080 843016 cdd08 busybox_old
829901 4086 1904 835891 cc133 busybox_unstripped
FEATURE_USE_BSS_TAIL=y:
read_config 210 228 +18
doCommands 2279 2294 +15
ipneigh_list_or_flush 763 772 +9
ipaddr_list_or_flush 1256 1261 +5
display_process_list 1301 1306 +5
conspy_main 1378 1383 +5
do_lzo_compress 352 355 +3
do_lzo_decompress 565 567 +2
inetd_main 2136 2134 -2
bb_common_bufsiz1 8193 - -8193
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 8/1 up/down: 62/-8195) Total: -8133 bytes
text data bss dec hex filename
829850 4086 9080 843016 cdd08 busybox_old
829911 4086 880 834877 cbd3d busybox_unstripped
FIXME: setup_common_bufsiz() calls are missing.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
unzip_main 2426 2414 -12
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
unzip_main 2490 2426 -64
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(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-64) Total: -64 bytes
text data bss dec hex filename
924008 906 17160 942074 e5ffa busybox_old
923846 906 17160 941912 e5f58 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
unzip_main 2472 2490 +18
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Bartosz Golaszewski proposed xfchdir()
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Also, do emit error message we so painstakingly pass from gzip internals
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Based on patch by Maxin B. John <maxin.john@intel.com>
function old new delta
pack_lzop 870 859 -11
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Add support for --no-name long option. Just silently ignore it
like the short -n option.
This allows to use busybox gzip with Lynx browser.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Add support for long options.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
huft_build 1296 1300 +4
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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MONOTONIC_SYSCALL=y by default
FEATURE_LAST_SMALL is gone: now FEATURE_LAST_FANCY is a "bool", not a "choice".
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
data_extract_all 1069 1040 -29
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
data_extract_all 882 995 +113
tar_longopts 290 309 +19
tar_main 938 942 +4
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(add/remove: 0/0 grow/shrink: 3/0 up/down: 136/0) Total: 136 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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