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43 Commits

Author SHA1 Message Date
Denys Vlasenko
45734a2351 loop: optionally use ioctl(LOOP_CONFIGURE) to set up loopdevs 
LOOP_CONFIGURE is added to Linux 5.8

function                                             old     new   delta
NO_LOOP_CONFIGURE (old code):
set_loop                                             784     782      -2
LOOP_CONFIGURE:
set_loop                                             784     653    -131
TRY_LOOP_CONFIGURE:
set_loop                                             784     811     +27

Based on a patch by Xiaoming Ni <nixiaoming@huawei.com>

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2022-12-13 15:21:28 +01:00
Denys Vlasenko
1891fdda59 libbb/sha1: update config help text with new performance numbers 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2022-02-18 17:09:51 +01:00
Denys Vlasenko
6472ac9428 libbb/sha256: optional x86 hardware accelerated hashing 
64 bit:
function                                             old     new   delta
sha256_process_block64_shaNI                           -     730    +730
.rodata                                           108314  108586    +272
sha256_begin                                          31      83     +52
------------------------------------------------------------------------------
(add/remove: 5/1 grow/shrink: 2/0 up/down: 1055/-1)          Total: 1054 bytes

32 bit:
function                                             old     new   delta
sha256_process_block64_shaNI                           -     747    +747
.rodata                                           104318  104590    +272
sha256_begin                                          29      84     +55
------------------------------------------------------------------------------
(add/remove: 5/1 grow/shrink: 2/0 up/down: 1075/-1)          Total: 1074 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2022-02-03 14:58:02 +01:00
Denys Vlasenko
711e20ecb8 libbb/sha1: optional x86-64 hardware accelerates hashing 
function                                             old     new   delta
sha1_process_block64_shaNI                             -     510    +510
sha1_begin                                            52     107     +55
.rodata                                           108285  108301     +16
static.shaNI                                           -       1      +1
------------------------------------------------------------------------------
(add/remove: 4/0 grow/shrink: 2/0 up/down: 582/0)             Total: 582 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2022-01-07 00:43:59 +01:00
Denys Vlasenko
947bef0dea libbb/sha1: x86_64 version: generate from a script, optimize a bit 
function                                             old     new   delta
sha1_process_block64                                3569    3502     -67

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2022-01-03 13:10:30 +01:00
Denys Vlasenko
4d4f1f2096 libbb/sha1: x86_64 version: bswap in 64-bit chunks 
function                                             old     new   delta
sha1_process_block64                                3562    3570      +8

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2022-01-01 15:42:15 +01:00
Denys Vlasenko
d643010fee libbb/sha1: shrink x86_64 version - use r8..15 for W[8..15] 
function                                             old     new   delta
sha1_process_block64                                3683    3562    -121

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2022-01-01 15:01:53 +01:00
Denys Vlasenko
5f68170204 libbb/sha1: assembly versions for x86 
32 bits:
function                                             old     new   delta
sha1_process_block64                                3950    3657    -293
64 bits:
sha1_process_block64                                4167    3683    -484

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2022-01-01 13:57:34 +01:00
Denys Vlasenko
f09d088fdf libbb/sha1: shrink and speed up fully unrolled version 
function                                             old     new   delta
sha1_process_block64                                4149    3950    -199

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-12-31 17:07:47 +01:00
Denys Vlasenko
0b62a08777 libbb/sha1: add config-selectable partially unrolled version 
function                                             old     new   delta
sha1_process_block64                                 364     732    +368
static.rconsts                                        16       -     -16
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/0 up/down: 368/-16)           Total: 352 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-12-30 18:54:02 +01:00
Denys Vlasenko
25aadc893d libbb/sha1: add config-selectable fully unrolled version, closes 14391 
function                                             old     new   delta
sha1_process_block64                                 364    4167   +3803
static.rconsts                                        16       -     -16
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/0 up/down: 3803/-16)         Total: 3787 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-12-30 13:17:16 +01:00
Denys Vlasenko
94c78aa0b9 config system: move some options closer to relevalnt tool subdirectories 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-10-12 13:23:29 +02:00
Ron Yorston
9fe1548bbf date,touch: allow timezone offsets in dates 
Allow ISO 8601 style dates to include a timezone offset.  Like
the '@' format these dates aren't relative to the user's current
timezone and shouldn't be subject to DST adjustment.

- The implementation uses the strptime() '%z' format specifier.
  This an extension which may not be available so the use of
  timezones is a configuration option.

- The 'touch' applet has been updated to respect whether DST
  adjustment is required, matching 'date'.

function                                             old     new   delta
parse_datestr                                        624     730    +106
static.fmt_str                                       106     136     +30
touch_main                                           388     392      +4
date_main                                            818     819      +1
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/0 up/down: 141/0)             Total: 141 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-09-17 00:11:30 +02:00
Ron Yorston
5c69ad0ecd build system: drop PLATFORM_LINUX 
PLATFORM_LINUX is a hidden configuration option which is disabled by
default and enabled at over a hundred locations for features that are
deemed to be Linux specific.

The only effect of PLATFORM_LINUX is to control compilation of
libbb/match_fstype.c.  This file is only needed by mount and umount.

Remove all references to PLATFORM_LINUX and compile match_fstype.c
if mount or umount is enabled.

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-08-13 17:12:56 +02:00
Kartik Agaram
43b17b1cd0 restore documentation on the build config language 
Kconfig-language.txt was deleted in commit 4fa499a17b back in 2006.
Move to docs/ as suggested by Xabier Oneca:
  http://lists.busybox.net/pipermail/busybox/2014-May/080914.html
Also update references to it everywhere.

Signed-off-by: Kartik Agaram <akkartik@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-06-06 15:16:48 +02:00
Denys Vlasenko
2aeb201c97 libbb: new option FEATURE_ETC_SERVICES: if off, /etc/services reads often avoided 
In practice, "wget http://host.com/" always uses port 80.
People explicitly set non-standard ports via options or parameters
("telnet 1.2.3.4 567" or "telnet 1.2.3.4 ftp") instead of modifying
/etc/services.

function                                             old     new   delta
telnet_main                                         1466    1464      -2
rdate_main                                           215     198     -17
fakeidentd_main                                      269     252     -17
parse_url                                            459     392     -67
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-103)           Total: -103 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-04-17 12:43:54 +02:00
Ron Yorston
23286900da lineedit: allow window size tracking to be disabled 
function                                             old     new   delta
lineedit_read_key                                    269     261      -8
win_changed                                           47       -     -47
read_line_input                                     3884    3821     -63
cmdedit_setwidth                                      63       -     -63
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 0/2 up/down: 0/-181)           Total: -181 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-02-25 20:09:54 +01:00
Denys Vlasenko
86d5bf4246 config: trim/improve item names and help texts. 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-27 02:59:13 +02:00
Denys Vlasenko
72089cf6b4 config: deindent all help texts 
Those two spaces after tab have no effect, and always a nuisance when editing.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-21 09:50:55 +02:00
Denys Vlasenko
a3df2fa525 config: merge "Busybox Settings" and "Busybox Library Tuning" into one menu 
Tweak a few help texts while at it

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-15 20:49:32 +02:00
Denys Vlasenko
f560422fa0 Big cleanup in config help and description 
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>
 2017-01-10 14:58:54 +01:00
Denys Vlasenko
1afa494fd1 Make FEATURE_USERNAME_COMPLETION=y by default 
This matches bash behavior on Fedora

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-12-23 13:40:24 +01:00
Denys Vlasenko
24860fa09c Move FEATURE_BUFFERS_USE_foo options to library tuning 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-24 22:30:52 +01:00
Denys Vlasenko
1255925a61 Move locale, unicode, and "use sendfile?" options to library tuning 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-24 22:18:55 +01:00
Denys Vlasenko
fe0dc34746 lineedit: FEATURE_REVERSE_SEARCH should not depend on SAVEHISTORY 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-30 21:39:19 +01:00
Denys Vlasenko
db700330d8 tweak defconfig 
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>
 2015-10-25 20:36:03 +01:00
Denys Vlasenko
30a8652fbf sha3: make size/speed optimization decision configurable 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-01-15 01:12:26 +01:00
Bernhard Reutner-Fischer
74b871febb Config: fix wording in help-text 
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
 2011-09-13 14:59:06 +02:00
Denys Vlasenko
522041ee7b regularize options which control size/speed trade 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-09-10 13:25:57 +02:00
Denys Vlasenko
bede215cf1 lineedit: add support for history saving on exit 
Based on the patch by Dennis Groenen <tj.groenen@gmail.com>

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-09-04 16:12:33 +02:00
Denys Vlasenko
a669eca3a2 libbb/lineedit: implement optional Ctrl-R history search 
function                                             old     new   delta
read_line_input                                     3433    3957    +524
load_string                                           77      90     +13
input_tab                                           1086    1069     -17
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 537/-17)           Total: 520 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-07-11 07:36:59 +02:00
Denys Vlasenko
2c4de5b045 ash,hush: optional support for $HISTFILESIZE. 
Based on patch from Alexey Fomenko (ext-alexey.fomenko AT nokia.com)

function                                             old     new   delta
size_from_HISTFILESIZE                                 -      44     +44
hush_main                                            998    1025     +27
ash_main                                            1348    1374     +26
read_line_input                                     3361    3372     +11
new_line_input_t                                      17      24      +7

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-31 13:16:52 +02:00
Denys Vlasenko
e3b1a1fd28 Replace "depends on PLATFORM_LINUX" with "select PLATFORM_LINUX" 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-26 22:24:08 +01:00
Denys Vlasenko
df4e16c9af wget: use FEATURE_COPYBUF_KB-sized buffer. Much faster for local transfers 
function                                             old     new   delta
base64enc                                              -      53     +53
gethdr                                               190     200     +10
ftpcmd                                               129     133      +4
progress_meter                                       160     122     -38
retrieve_file_data                                   431     392     -39
base64enc_512                                         46       -     -46
wget_main                                           2456    2220    -236
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 2/3 up/down: 67/-359)          Total: -292 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-10 06:29:06 +01:00
Lauri Kasanen
55ae0e9238 df,find_mount_point: optionally don't ignore rootfs 
Signed-off-by: Lauri Kasanen <curaga@operamail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-01-31 06:27:35 +01:00
Denys Vlasenko
2753aae0e8 libbb: optionally support RTMIN[+n] and RTMAX[-n] signal names 
function                                             old     new   delta
get_signum                                           140     336    +196
__libc_allocate_rtsig                                  -      56     +56
__libc_current_sigrtmin                                -       6      +6
__libc_current_sigrtmax                                -       6      +6
current_rtmin                                          -       4      +4
current_rtmax                                          -       4      +4
bbconfig_config_bz2                                 4961    4962      +1
------------------------------------------------------------------------------
(add/remove: 6/0 grow/shrink: 2/0 up/down: 273/0)             Total: 273 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-12-30 01:17:03 +01:00
Marek Polacek
b507cc3ace powertop: new applet 
Signed-off-by: Marek Polacek <mmpolacek@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-25 03:44:34 +02:00
Denys Vlasenko
99862cbfad hush: optional support for history saving 
function                                             old     new   delta
hush_main                                            945     995     +50

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-12 17:34:13 +02:00
Jeremie Koenig
1d7266d3b5 mark Linux-specific configuration options 
PLATFORM_LINUX is used as a dependency for applets or features
which require Linux-specific interfaces.

Signed-off-by: Jeremie Koenig <jk@jk.fr.eu.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-07-19 00:44:56 +02:00
Denys Vlasenko
5d26df6497 tweak defconfig 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-07-16 15:31:38 +02:00
Denys Vlasenko
d70e0e995e *: add INSERTs to *.src files where appropriate 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-06-08 12:15:11 +02:00
Denys Vlasenko
2f32bf8be6 remove defconfig. Now "make defconfig" simply uses defaults from Config.in 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-06-06 04:14:28 +02:00
Denys Vlasenko
da929a95aa mass renaming Kbuild -> Kbuild.src, Config.in -> Config.src 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-06-04 20:10:51 +02:00