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Author SHA1 Message Date
William Pitcock
d8fd88a091 ash: add support for command_not_found_handle hook function (bashism) 
This implements support for the command_not_found_handle hook function, which is
useful for allowing package managers to suggest packages which could provide the
command.

Unlike bash, however, we ignore exit codes from the hook function and always return
the correct POSIX error code (EX_NOTFOUND).

function                                             old     new   delta
find_command                                         911     990     +79

Signed-off-by: William Pitcock <nenolod@dereferenced.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-24 18:33:18 +01:00
Denys Vlasenko
14bc965ea9 less: fix help text conditional for -R 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-24 16:47:08 +01:00
Denys Vlasenko
30b290f996 udhcpc6: additional fix for ppp interface type 
Invent a fictitious MAC only once

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-23 16:46:31 +01:00
Denys Vlasenko
66ad9be603 chrt: use correct min/max priorities 
function                                             old     new   delta
chrt_main                                            369     432     +63
policies                                              48      96     +48
packed_usage                                       32239   32249     +10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 121/0)             Total: 121 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-23 16:04:48 +01:00
Povilas Kanapickas
0f6e4350b3 chrt: add support for SCHED_IDLE 
Signed-off-by: Povilas Kanapickas <povilas@radix.lt>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-23 16:04:48 +01:00
Povilas Kanapickas
1616fb8aca chrt: add support for SCHED_BATCH 
Signed-off-by: Povilas Kanapickas <povilas@radix.lt>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-23 16:04:48 +01:00
Denys Vlasenko
2b9a45b9e8 od_bloaty: fix debug code 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-23 14:49:12 +01:00
Denys Vlasenko
8528d3d4f8 less: optional support of -R 
Based on patches by Lubomir Rintel <lkundrak@v3.sk>

function                                             old     new   delta
read_lines                                           653     722     +69
less_main                                           2464    2531     +67
packed_usage                                       32202   32239     +37
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 173/0)             Total: 173 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-22 14:38:51 +01:00
Sven-Göran Bergh
e411cd071a volume_id: add LittleFS detection 
Add support for LittleFS to blkid. Not included if FEATURE_BLKID_TYPE
is not selected (neither UUID nor label).

LittleFS is a small fail-safe filesystem designed for embedded
systems. It has strong copy-on-write guarantees and storage on disk
is always kept in a valid state. It also provides a form of dynamic
wear levelling for systems that can not fit a full flash translation
layer. (https://github.com/geky/littlefs)

ARM has introduced it in its Mbed OS 5.7, so it starts to gain focus.
(https://os.mbed.com/blog/entry/littlefs-high-integrity-embedded-fs/)

function                                             old     new   delta
volume_id_probe_lfs                                    -      62     +62
fs1                                                   20      24      +4

Signed-off-by: Sven-Göran Bergh <sgb@systemaxion.se>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-19 20:37:13 +01:00
Denys Vlasenko
f6dd9e0215 udhcpc6: fix for ppp interface type 
function                                             old     new   delta
d6_read_interface                                    454     600    +146

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-19 18:44:19 +01:00
Denys Vlasenko
46f839c3f7 hush: fix a case where EXIT trap may modify its code mid-flight 
function                                             old     new   delta
hush_exit                                             93      99      +6

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-19 16:58:44 +01:00
Denys Vlasenko
b8d076b00b hush: fix build if !BASH_LINENO_VAR 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-19 16:00:57 +01:00
Denys Vlasenko
6aad1ddcc9 hush: implement $LINENO bashism 
function                                             old     new   delta
run_pipe                                            1697    1774     +77
unset_local_var_len                                  258     301     +43
hush_main                                           1009    1051     +42
set_local_var                                        516     554     +38
parse_and_run_file                                    42      75     +33
i_getch                                               96     116     +20
.rodata                                            18858   18876     +18
done_command                                         106     122     +16
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 8/0 up/down: 287/0)             Total: 287 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-19 15:52:36 +01:00
Denys Vlasenko
7c44b600f9 udhcpc[6]: remove overzealous timeout clamping code 
function                                             old     new   delta
udhcpc_main                                         2840    2826     -14
udhcpc6_main                                        2699    2670     -29

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-17 13:55:51 +01:00
Denys Vlasenko
64211ce6fa udhcpc6: --help fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-16 22:23:38 +01:00
Denys Vlasenko
438c72ece4 udhcpc6: show only short opts in --help text 
function                                             old     new   delta
packed_usage                                       26028   25966     -62

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-16 22:10:12 +01:00
Denys Vlasenko
6e9e6d8fbe udhcpc6: fix lease time staying very small because -d was not specified 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-16 21:52:23 +01:00
Denys Vlasenko
14f13205ef udhcpc6: code shrink 
function                                             old     new   delta
udhcpc6_main                                        2723    2727      +4
.rodata                                           128695  128561    -134

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-16 21:47:10 +01:00
Denys Vlasenko
ef5207f093 udhcpc6: add support of prefix delegation 
Based on patch by DannyAAM <danny@saru.moe>

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-16 21:39:14 +01:00
Denys Vlasenko
1e8d79ba12 udhcpc6: preparatory patch, no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-16 21:35:39 +01:00
Denys Vlasenko
688cb3bc19 udhcpc6: fix ipv6prefix[_lease] envvar value in script invocation 
Based on a patch by DannyAAM <danny@saru.moe>.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-16 16:00:13 +01:00
Denys Vlasenko
1750d3afc1 ash: a bit of NOFORK code should only be active if FEATURE_SH_STANDALONE=y 
function                                             old     new   delta
evalcommand                                         1546    1420    -126

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-15 00:41:04 +01:00
Denys Vlasenko
cefdd4be1f popmaildir: tweak help text 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-14 20:48:14 +01:00
Denys Vlasenko
c4144ca3a5 renice: add comment about getpwnam/NOFORK interaction 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-14 19:40:00 +01:00
Denys Vlasenko
9967978551 renice: use BUILD_BUG_ON() 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-14 19:05:02 +01:00
Denys Vlasenko
6f1c942a31 NOFORK_NOEXEC.sh: a script to find "interesting" applets 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-14 14:44:30 +01:00
Denys Vlasenko
88663e481f mv: make it NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-14 14:41:52 +01:00
Denys Vlasenko
cbdc37cae0 cal: make it NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-14 14:32:11 +01:00
Denys Vlasenko
586f1ee7cf nandwrite: cope with old headers which have no MTD_FILE_MODE_RAW 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-14 13:43:31 +01:00
Denys Vlasenko
36495af81f size_single_applets.sh: fix a bug which mishandles e.g. "udhcpc6" name 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-14 12:13:16 +01:00
Denys Vlasenko
38da4c4420 config: add size estimations for a few applets 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-14 12:03:33 +01:00
Denys Vlasenko
12714ffa27 tc: fix single-applet build 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-13 21:37:20 +01:00
Denys Vlasenko
aea52e7b2d shell: echo ${?:0} was fixed sometime ago, enable it in tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-13 19:28:19 +01:00
Denys Vlasenko
9809a82b59 hush: fix raw ^C handlisg in single-quoted strings 
function                                             old     new   delta
parse_stream                                        2719    2754     +35

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-13 19:14:27 +01:00
Denys Vlasenko
6606c519ef hush: add command2.tests from ash tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-12 17:58:20 +01:00
Denys Vlasenko
afb73a25ea hush: tweak command -vV printing code, no logic changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-12 16:17:59 +01:00
Denys Vlasenko
5700029c65 hush: implement "command -v -V" 
function                                             old     new   delta
pseudo_exec_argv                                     231     374    +143
if_command_vV_print_and_exit                           -     127    +127
builtin_set                                          267     273      +6
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/0 up/down: 276/0)             Total: 276 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-12 14:41:45 +01:00
Denys Vlasenko
cca7c611f2 which: fix TODO with NOFORK+malloc_failure misbehaving 
function                                             old     new   delta
find_executable                                       86     104     +18
which_main                                           202     194      -8
executable_exists                                     66      51     -15
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 18/-23)             Total: -5 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-12 13:21:33 +01:00
Denys Vlasenko
3bb3e1d0a1 hush: implement "command" builtin (no options are supported yet) 
function                                             old     new   delta
pseudo_exec_argv                                     194     231     +37

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-11 18:05:05 +01:00
Denys Vlasenko
1f1911239c hush: fix handling of ^C in eval 
function                                             old     new   delta
run_list                                            1044    1259    +215
builtin_eval                                          45     126     +81
expand_strvec_to_string                               91       -     -91
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 2/0 up/down: 296/-91)           Total: 205 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-11 13:17:30 +01:00
Denys Vlasenko
932b9971d0 hush: fix handling of raw ^C in scripts: "echo ^C" 
function                                             old     new   delta
expand_vars_to_list                                 1133    1187     +54
parse_stream                                        2690    2719     +29

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-11 12:39:48 +01:00
Denys Vlasenko
aaf7a2e24d hush: remove dead code 
function                                             old     new   delta
done_word                                            761     711     -50

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-11 11:19:00 +01:00
Denys Vlasenko
03c36e0be1 ash: ALWAYS_INLINE grabstackblock() 
function                                             old     new   delta
grabstackblock                                         5       -      -5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-10 15:18:35 +01:00
Denys Vlasenko
f2539c78d2 init: stop using static data 
function                                             old     new   delta
init_action_list                                       4       -      -4
new_init_action                                      148     142      -6
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/1 up/down: 0/-10)             Total: -10 bytes
   text	   data	    bss	    dec	    hex	filename
 927839	    481	   6832	 935152	  e44f0	busybox_old
 927833	    481	   6824	 935138	  e44e2	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-10 13:32:20 +01:00
Denys Vlasenko
baa41c7855 ash: make ${v:N:M} more robust for very large M by clamping to MIN/MAX_INT 
Before this patch, "${v:2:0x100000001}" = "${v:2:1}",
and similarly, constructs like "${v:2:9999999999}" may give wrong result
due to int overflows.

function                                             old     new   delta
substr_atoi                                            -      43     +43

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-10 13:22:25 +01:00
Denys Vlasenko
2c876774a9 dd: fixed partial count logic 
$ busybox dd if=/dev/zero of=/dev/loop0 bs=100M count=8; echo $?
8+0 records in
7+0 records out  <=========== FIXED, was 7+1
805220352 bytes (767.9MB) copied, 0.464010 seconds, 1.6GB/s
1

function                                             old     new   delta
write_and_stats                                       97      99      +2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-10 11:04:09 +01:00
Denys Vlasenko
5afd63a631 dd: exit with 1 if last write was incomplete 
$ busybox dd if=/dev/zero of=/dev/loop0 bs=100M count=8; echo $?
8+0 records in
7+1 records out
805220352 bytes (767.9MB) copied, 0.464010 seconds, 1.6GB/s
1  <=========== FIXED

function                                             old     new   delta
write_and_stats                                       96      97      +1

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-10 10:58:55 +01:00
Denys Vlasenko
d1df1a709f ash: add comment explaining last change 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-09 17:25:58 +01:00
Denys Vlasenko
740058b42b ash: fix var_bash5.tests - ${VAR/pattern/repl} construct 
function                                             old     new   delta
subevalvar                                          1198    1279     +81
rmescapes                                            308     330     +22
preglob                                                8      10      +2
parsefname                                           152     154      +2
expandarg                                            973     975      +2
argstr                                              1144    1146      +2
mklocal                                              290     288      -2
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 6/1 up/down: 111/-2)            Total: 109 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-09 17:07:06 +01:00
Shawn Landden
4261341281 umount: ignore -c 
"-c, --no-canonicalize: Do not canonicalize paths."

As busybox doesn't canonicalize paths in the first place it is safe to ignore
this option.

See https://github.com/systemd/systemd/issues/7786

Signed-off-by: Shawn Landden <slandden@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-01-08 13:31:58 +01:00