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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
packed_usage 33570 33502 -68
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
procps_scan 1121 1118 -3
getpagesize 6 - -6
rpm_main 1037 1027 -10
rpm2cpio_main 120 110 -10
ptok 38 21 -17
time_main 1282 1261 -21
mkswap_main 317 278 -39
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(add/remove: 0/2 grow/shrink: 0/6 up/down: 0/-106) Total: -106 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
mmap_anon - 22 +22
mmap_read - 21 +21
xmmap_anon - 16 +16
rpm_gettags 465 447 -18
bb_full_fd_action 498 480 -18
uevent_main 337 310 -27
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(add/remove: 3/0 grow/shrink: 0/3 up/down: 59/-63) Total: -4 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
packed_usage 33547 33545 -2
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
packed_usage 33486 33590 +104
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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text data bss dec hex filename
1021236 559 5052 1026847 fab1f busybox_old
1021120 559 5052 1026731 faaab busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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text data bss dec hex filename
1021988 559 5052 1027599 fae0f busybox_old
1021236 559 5052 1026847 fab1f busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Avoid using same include file naming pattern as available in GLIBC.
Renamed to match grp_.h et al.
Signed-off-by: Joachim Nilsson <troglobit@gmail.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
recursive_action1 - 316 +316
file_action_grep 161 164 +3
add_to_prg_cache_if_socket 202 205 +3
depmod_main 509 511 +2
writeFileToTarball 488 489 +1
parse_module 281 282 +1
fileAction 207 208 +1
act 189 190 +1
add_to_dirlist 65 64 -1
writeTarFile 196 194 -2
uuidcache_init 47 45 -2
uuidcache_check_device 109 107 -2
true_action 8 6 -2
run_parts_main 310 308 -2
netstat_main 534 532 -2
lsusb_main 29 27 -2
lspci_main 45 43 -2
initial_scan 138 136 -2
grep_main 845 843 -2
find_main 482 480 -2
config_file_action 437 435 -2
chmod_main 142 140 -2
dirAction 14 10 -4
diff_main 1544 1540 -4
chown_main 154 148 -6
skip_dir 136 129 -7
dir_act 191 184 -7
recursive_action 453 69 -384
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(add/remove: 1/0 grow/shrink: 7/20 up/down: 328/-439) Total: -111 bytes
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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busybox will remove directory symlinks, which is at
odds with common layouts that have some of
bin/lib/lib32/lib64 symlinked.
this adds a exludelist for critcal and often symlinked
directories.
Fixes: Bug 12551
function old new delta
remove_file_array 139 231 +92
Signed-off-by: Norbert Lange <nolange79@gmail.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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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The official Info-Zip unzip creates the dir if it doesn't exist.
Signed-off-by: Lauri Kasanen <cand@gmx.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
packed_usage 33236 33247 +11
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
huft_build 1008 1022 +14
inflate_block 1253 1256 +3
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 17/0) Total: 17 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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extension"
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
inflate_block 1254 1253 -1
inflate_codes 629 621 -8
huft_build 1054 1008 -46
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(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-55) Total: -55 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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huft_build() still has way too many params
function old new delta
lit - 94 +94
dist - 94 +94
huft_build 1058 1054 -4
inflate_block 1281 1254 -27
cpdext 30 - -30
cplext 31 - -31
cpdist 60 - -60
cplens 62 - -62
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(add/remove: 2/4 grow/shrink: 0/2 up/down: 188/-214) Total: -26 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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huft_build() has way too many params
function old new delta
inflate_block 1293 1281 -12
huft_build 1085 1058 -27
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-39) Total: -39 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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packages
function old new delta
unpack_xz_stream 2309 2317 +8
bb_full_fd_action 464 472 +8
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Converted a few 16-bit variables and small arrays to 32-bit.
Stopped pulling desc->FOO members into temporary local variables
in gen_bitlen(): on register-starved arches, this is a loss,
temporaries go into stack slots.
Sprinkled a few "const" on pointer arguments.
function old new delta
pack_gzip 742 745 +3
gen_codes 101 97 -4
build_tree 886 833 -53
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(add/remove: 0/0 grow/shrink: 1/2 up/down: 3/-57) Total: -54 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
gzip_main 267 264 -3
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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With this change, GNU gzip -n and BusyBox gzip now produce identical output
assuming that CONFIG_GZIP_FAST=2.
>> Excuse me, but I wonder one thing: Why should we follow
>> strictly with gzip on the no-options default behavior?
> First, the default 6 compression level is a de-facto standard. BSD gzip
> and Apple gzip (on macOS) use this default as well. So there is a
> reasonable expectation that different gzip implementations act the same.
> For instance, if the default for busybox gzip becomes 9, then someone
> writing a script using busybox gzip could reasonably expect that the
> compression level will still be 9 when the same script is run on another
> system. That would be wrong. Implementations should not deviate from
> de-facto standards without a strong reason.
>
> Second, the inherent reason for this default has not gone away. While
> processor speeds have exploded since the default was set, so has the
> typical size of compressed files. Multiple gigabytes are nothing unusual
> these days. And gzip is often used for compression on the fly, precisely
> because it offers a good compromise between speed and compression ratio.
> So I believe 6 continues to be a reasonable default.
function old new delta
deflate 939 927 -12
Signed-off-by: Daniel Edgecumbe <git@esotericnonsense.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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With this change and CONFIG_GZIP_FAST=2, CONFIG_FEATURE_GZIP_LEVELS=y,
GNU gzip and BusyBox gzip now produce identical output at each compression
level (excluding 1..3, as BusyBox does not implement these levels).
Signed-off-by: Daniel Edgecumbe <git@esotericnonsense.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Fixes an off-by-one that actually resulted in level 7 being used
Signed-off-by: Daniel Edgecumbe <git@esotericnonsense.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
tar_main 1026 1100 +74
packed_usage 33311 33329 +18
tar_longopts 309 325 +16
vfork_compressor 246 210 -36
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(add/remove: 0/0 grow/shrink: 3/1 up/down: 108/-36) Total: 72 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
writeLongname 226 228 +2
static.prefilled 48 - -48
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(add/remove: 0/1 grow/shrink: 1/0 up/down: 2/-48) Total: -46 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Back in 2007, commit 0c97c9d43707 ("'simple' error message functions by
Loic Grenie") introduced bb_simple_perror_msg() to allow for a lower
overhead call to bb_perror_msg() when only a string was being printed
with no parameters. This saves space for some CPU architectures because
it avoids the overhead of a call to a variadic function. However there
has never been a simple version of bb_error_msg(), and since 2007 many
new calls to bb_perror_msg() have been added that only take a single
parameter and so could have been using bb_simple_perror_message().
This changeset introduces 'simple' versions of bb_info_msg(),
bb_error_msg(), bb_error_msg_and_die(), bb_herror_msg() and
bb_herror_msg_and_die(), and replaces all calls that only take a
single parameter, or use something like ("%s", arg), with calls to the
corresponding 'simple' version.
Since it is likely that single parameter calls to the variadic functions
may be accidentally reintroduced in the future a new debugging config
option WARN_SIMPLE_MSG has been introduced. This uses some macro magic
which will cause any such calls to generate a warning, but this is
turned off by default to avoid use of the unpleasant macros in normal
circumstances.
This is a large changeset due to the number of calls that have been
replaced. The only files that contain changes other than simple
substitution of function calls are libbb.h, libbb/herror_msg.c,
libbb/verror_msg.c and libbb/xfuncs_printf.c. In miscutils/devfsd.c,
networking/udhcp/common.h and util-linux/mdev.c additonal macros have
been added for logging so that single parameter and multiple parameter
logging variants exist.
The amount of space saved varies considerably by architecture, and was
found to be as follows (for 'defconfig' using GCC 7.4):
Arm: -92 bytes
MIPS: -52 bytes
PPC: -1836 bytes
x86_64: -938 bytes
Note that for the MIPS architecture only an exception had to be made
disabling the 'simple' calls for 'udhcp' (in networking/udhcp/common.h)
because it made these files larger on MIPS.
Signed-off-by: James Byrne <james.byrne@origamienergy.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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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
xmalloc_read_with_initial_buf - 205 +205
setup_transformer_on_fd 154 150 -4
xmalloc_open_zipped_read_close 143 135 -8
xmalloc_read 201 10 -191
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(add/remove: 1/0 grow/shrink: 0/3 up/down: 205/-203) Total: 2 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Closes 11896
function old new delta
get_next_block 1677 1681 +4
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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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Embedded scripts require a shell to be present in the BusyBox
binary. Allow either ash or hush to be used for this purpose.
If both are enabled ash takes precedence.
The size of the binary is unchanged in the default configuration:
both ash and hush are present but support for embedded scripts
isn't compiled into hush.
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
get_header_tar 1696 1690 -6
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
unpack_lzma_stream 2686 2674 -12
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
is_suffixed_with - 54 +54
tar_main 1006 1026 +20
open_transformer 92 79 -13
config_file_action 478 458 -20
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(add/remove: 1/0 grow/shrink: 1/2 up/down: 74/-33) Total: 41 bytes
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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Similar code to unpack embedded data is used to decompress usage
messages, embedded scripts and the config file (in the non-default
bbconfig applet).
Moving this code to a common function reduces the size of the default
build and hides more of the internals of libarchive.
function old new delta
unpack_bz2_data - 135 +135
bb_show_usage 137 157 +20
get_script_content 32 47 +15
unpack_scripts 119 - -119
unpack_usage_messages 124 - -124
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(add/remove: 1/2 grow/shrink: 2/0 up/down: 170/-243) Total: -73 bytes
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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To assist in the deployment of shell scripts it may be convenient
to embed them in the BusyBox binary.
'Embed scripts in the binary' takes any files in the directory
'embed', concatenates them with null separators, compresses them
and embeds them in the binary.
When scripts are embedded in the binary, scripts can be run as
'busybox SCRIPT [ARGS]' or by usual (sym)link mechanism.
embed/nologin is provided as an example.
function old new delta
packed_scripts - 123 +123
unpack_scripts - 87 +87
ash_main 1103 1171 +68
run_applet_and_exit 78 128 +50
get_script_content - 32 +32
script_names - 10 +10
expmeta 663 659 -4
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(add/remove: 4/0 grow/shrink: 2/1 up/down: 370/-4) Total: 366 bytes
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
unzip_main 2726 2792 +66
printable_string2 - 57 +57
identify 4329 4336 +7
expmeta 659 663 +4
add_interface 99 103 +4
beep_main 286 289 +3
changepath 192 194 +2
builtin_type 115 117 +2
devmem_main 469 470 +1
input_tab 1076 1074 -2
create_J 1821 1819 -2
poplocalvars 314 311 -3
doCommands 2222 2214 -8
do_load 918 902 -16
printable_string 57 9 -48
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(add/remove: 1/0 grow/shrink: 8/6 up/down: 146/-79) Total: 67 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
vfork_compressor 257 246 -11
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Reproducer:
exec 0>&-
exec 1>&-
tar czf z.tar.gz FILE
function old new delta
vfork_compressor 229 257 +28
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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