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Author SHA1 Message Date
Denys Vlasenko
ed042010dc lpd: avoid SEGVing on immediate EOF from peer 
Patch by Luís Marques <luismarques@lowrisc.org>

function                                             old     new   delta
lpd_main                                             749     757      +8

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-06-07 09:14:41 +02:00
Denys Vlasenko
45e3967c20 libbb: move netlink socket binding to the utility function 
function                                             old     new   delta
create_and_bind_to_netlink                             -     134    +134
ifplugd_main                                        1117    1052     -65
uevent_main                                          399     306     -93
mdev_main                                            314     215     -99
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/3 up/down: 134/-257)         Total: -123 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-06-03 14:16:52 +02:00
Jan Klötzke
498cec202a mdev: add support to run as daemon 
Adds the -d option to run mdev in daemon mode handling hotplug events
from the kernel like udev. If the system generates many hotplug events
this mode of operation will consume less resources than registering
mdev as hotplug helper or using the uevent applet.

function                                             old     new   delta
daemon_loop                                            -     152    +152
initial_scan                                           -     127    +127
open_mdev_log                                          -      85     +85
mdev_main                                            255     314     +59
packed_usage                                       33284   33316     +32
process_action                                      1051     992     -59
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 2/1 up/down: 455/-59)           Total: 396 bytes

Signed-off-by: Jan Klötzke <jan@kloetzke.net>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-06-03 13:24:49 +02:00
Jan Klötzke
728e53d388 mdev: use option parser helper 
function                                             old     new   delta
process_action                                         -    1051   +1051
mdev_main                                           1324     255   -1069
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/1 up/down: 1051/-1069)        Total: -18 bytes

Signed-off-by: Jan Klötzke <jan@kloetzke.net>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-06-03 13:00:47 +02:00
Jan Klötzke
d04b726173 mdev: move action processing into separate functions 
This purely moves code from main() to separate functions for better
extensibility.

Signed-off-by: Jan Klötzke <jan@kloetzke.net>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-06-03 12:55:30 +02:00
Denys Vlasenko
f3634584d0 ash,hush: show 'c' in $- if run in "sh -c CMD" 
function                                             old     new   delta
options                                              552     599     +47
expand_one_var                                      2375    2385     +10
optletters_optnames                                   60      64      +4
hush_main                                           1108    1111      +3
ash_main                                            1150    1152      +2
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/0 up/down: 66/0)               Total: 66 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-06-03 12:21:04 +02:00
Denys Vlasenko
897475ab02 ash: allocate line editing structure only if needed 
function                                             old     new   delta
optschanged                                           91     128     +37
historycmd                                            13      17      +4
setcmd                                                80      78      -2
ash_main                                            1167    1150     -17
options                                              576     552     -24
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/3 up/down: 41/-43)             Total: -2 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-06-01 16:35:09 +02:00
Denys Vlasenko
6eb6e6a1e9 dhcp: downgrade "got raw socket fd" message to log3, make log2 default max 
log3 messages are very much redundant

function                                             old     new   delta
change_listen_mode                                   322     302     -20

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-31 23:52:16 +02:00
Denys Vlasenko
65c34c52df dhcp: get rid of static data signal_pipe 
function                                             old     new   delta
udhcp_sp_setup                                        65     110     +45
udhcp_sp_fd_set                                       60      59      -1
udhcpd_main                                         1442    1437      -5
udhcpc_main                                         2684    2679      -5
signal_pipe                                            8       -      -8
packed_usage                                       33292   33284      -8
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/4 up/down: 45/-27)             Total: 18 bytes
   text	   data	    bss	    dec	    hex	filename
 952746	    481	   7296	 960523	  ea80b	busybox_old
 952768	    481	   7288	 960537	  ea819	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-31 23:39:22 +02:00
Denys Vlasenko
91755cb16d udhcp: rename server_config to server_data 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-30 16:23:34 +02:00
Jack O'Sullivan
726cbb1be8 losetup: Add partition scanning option 
Add -P option from util-linux losetup to scan for partitions.

function                                             old     new   delta
losetup_main                                         449     482     +33
packed_usage                                       33264   33292     +28
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 61/0)               Total: 61 bytes

Signed-off-by: Jack O'Sullivan <jackos1998@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-30 16:22:52 +02:00
Denys Vlasenko
bcb1fc3e6c udhcp: rename client_config to client_data, server_config to server_data 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-26 15:03:05 +02:00
Martin Lewis
818d9e02f2 udhcpc6: Fixed aliasing compilation error 
Signed-off-by: Martin Lewis <martin.lewis.x84@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-26 14:24:32 +02:00
Denys Vlasenko
8b35f207bb shell: move all definitions of strto_arith_t() together 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-26 14:02:10 +02:00
Denys Vlasenko
9501bc7da5 ls: fix SEGV when --color is used and ENABLE_LS_COLOR=n 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-26 13:53:41 +02:00
Denys Vlasenko
b2c123d484 testsuite: fix bunzip2.tests expectations 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-26 13:51:41 +02:00
Denys Vlasenko
eda83c9e69 comment fix 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-26 13:46:49 +02:00
Denys Vlasenko
cc71f79c1e libarchive: treat one "FIXME: avoid seek", take 2 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-26 13:43:06 +02:00
Denys Vlasenko
a4ed2c45b9 dhcp: get rid of last global data 
function                                             old     new   delta
udhcpc_main                                         2680    2684      +4
state                                                  1       -      -1
listen_mode                                            1       -      -1
sockfd                                                 4       -      -4
------------------------------------------------------------------------------
(add/remove: 0/3 grow/shrink: 1/0 up/down: 4/-6)               Total: -2 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-26 13:05:04 +02:00
Denys Vlasenko
dff2bd733f libarchive: treat one "FIXME: avoid seek" 
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
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/3 up/down: 205/-203)            Total: 2 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-24 17:03:28 +02:00
Denys Vlasenko
309f5e3775 losetup: implement -c 
function                                             old     new   delta
losetup_main                                         422     449     +27
packed_usage                                       33243   33264     +21
get_next_block                                      1677    1681      +4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 52/0)               Total: 52 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-23 16:11:42 +02:00
Denys Vlasenko
1115e40c88 dhcp: tweak comments, no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-23 15:24:03 +02:00
Denys Vlasenko
58d998d2f9 bunzip2: the correct condition is "n < groupCount", not "n <= groupCount". Closes 11896 
function                                             old     new   delta
get_next_block                                      1677    1681      +4

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-23 14:54:13 +02:00
Denys Vlasenko
028c5aa18b ip: use rtnl_send_check() on flush commands, closes 6962 
function                                             old     new   delta
rtnl_send_check                                        -     160    +160
xrtnl_wilddump_request                                64      66      +2
ipneigh_list_or_flush                                714     706      -8
rtnl_send                                             69       -     -69
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 1/1 up/down: 162/-77)            Total: 85 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-22 13:54:46 +02:00
Denys Vlasenko
84fc645605 *: slap on a few ALIGN1/2s where appropriate 
The result of looking at "grep -F -B2 '*fill*' busybox_unstripped.map"

   text	   data	    bss	    dec	    hex	filename
 952537	    485	   7296	 960318	  ea73e	busybox_old
 952527	    485	   7296	 960308	  ea734	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-21 17:29:24 +02:00
Denys Vlasenko
831844c139 udhcpd: fix printing of static leases 
function                                             old     new   delta
read_staticlease                                     299     282     -17

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-21 16:06:34 +02:00
Denys Vlasenko
d8740b265a hush: show 's' in $- 
function                                             old     new   delta
expand_one_var                                      2362    2375     +13
hush_main                                           1104    1108      +4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 17/0)               Total: 17 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-19 19:11:21 +02:00
Denys Vlasenko
76a4e8361a hush: allocate line edit buffer only for interactive shell 
function                                             old     new   delta
builtin_history                                       16      20      +4

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-19 18:24:52 +02:00
Denys Vlasenko
9edd268bad shell: implement optional "BASE#nnnn" numeric literals 
function                                             old     new   delta
evaluate_string                                      729     851    +122

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-19 17:23:31 +02:00
Denys Vlasenko
30a4c32a4d hush: remove test for "echo ${-}" errorring out - now it works 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-19 16:35:56 +02:00
Denys Vlasenko
ef8985c688 hush: implement $-, set default PATH if it is not set on startup 
function                                             old     new   delta
expand_one_var                                      2311    2362     +51
hush_main                                           1075    1104     +29
parse_dollar                                         790     791      +1
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 81/0)               Total: 81 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-19 16:29:09 +02:00
Denys Vlasenko
0c36019369 hush: set default PS1/2 only if we interactive 
"env - hush SCRIPT" invocation (that is, with empty environment)
should not show PS1/2 in "set" output.

function                                             old     new   delta
hush_main                                           1070    1075      +5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-19 15:39:32 +02:00
Denys Vlasenko
08fb82c80c hush: handle LINENO the same way as RANDOM: variable is "ephemeral" 
"env - hush" invocation (that is, with empty environment)
should not show LINENO in "set" output.

function                                             old     new   delta
get_local_var_value                                  263     294     +31
hush_main                                           1105    1070     -35
handle_changed_special_names                          79      38     -41
run_pipe                                            1834    1765     -69
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/3 up/down: 31/-145)          Total: -114 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-19 15:39:32 +02:00
Khem Raj
ee9e5f92b6 networking: cc is not a register 
gcc accepts

  __asm__ ( "" : : : "%cc");

but cc is not a real register and clang does not like it.

networking/tls_pstm_montgomery_reduce.c:385:4: error: unknown register name '%cc' in asm
|                         INNERMUL;
|                         ^

The % syntax nominally goes before a register, in this case cc,
like "memory" isn't a true register it's just a way of specifying that
the condition code registers for the target are clobbered

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-17 22:56:47 +02:00
Denys Vlasenko
4ebcdf7396 hush: remove code to track PS1/2 values dynamically - it's too much work 
Assignments / exports / unsets of variables are far more frequent than
prompt printing, and if we show prompt, we are likely to be limited by
user typing speed - do not optimize for that scenario.
Just re-query $PS1 / $PS2 values when need to show the prompt.

function                                             old     new   delta
fgetc_interactive                                    236     259     +23
set_vars_and_save_old                                150     147      -3
pseudo_exec_argv                                     597     594      -3
hush_main                                           1110    1105      -5
enter_var_nest_level                                  38      32      -6
builtin_local                                         56      50      -6
run_pipe                                            1857    1834     -23
leave_var_nest_level                                 127      98     -29
handle_changed_special_names                         111      79     -32
cmdedit_update_prompt                                 57       -     -57
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/8 up/down: 23/-164)          Total: -141 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-16 15:39:19 +02:00
Denys Vlasenko
a51eec0b5a typo fix in comment 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-16 14:31:58 +02:00
Denys Vlasenko
0ee0b658b3 hush: small speedup in handle_changed_special_names() 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-16 11:32:26 +02:00
Denys Vlasenko
25393fb55e udhcpd: code shrink 
function                                             old     new   delta
send_packet_verbose                                    -      35     +35
send_offer                                           443     423     -20
send_ACK                                             152     131     -21
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/2 up/down: 35/-41)             Total: -6 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-16 11:27:28 +02:00
Denys Vlasenko
a840884531 udhcpd: support per-client hostnames in static leases 
function                                             old     new   delta
read_staticlease                                     222     299     +77
add_server_options                                    92     154     +62
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 139/0)             Total: 139 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-16 11:18:49 +02:00
Denys Vlasenko
9bf6780c28 shell: add TODO comment about BASE#nnn literals 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-16 09:56:45 +02:00
Denys Vlasenko
1113961dde dc: make 4 % 0 emit error messgaes and set result to 0 
function                                             old     new   delta
mod                                                  105     136     +31

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-16 09:40:36 +02:00
Denys Vlasenko
abe248b208 udhcpc6: unbreak 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-15 14:20:32 +02:00
Denys Vlasenko
9e0adb9b09 hush: fix quoted "${notexist-}" expansion to not disappear 
function                                             old     new   delta
expand_one_var                                      2296    2311     +15

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-15 13:39:19 +02:00
Denys Vlasenko
8402969d48 udhcpd: code shrink - do not fetch requested IP twice 
function                                             old     new   delta
send_offer                                           444     443      -1
udhcpd_main                                         1454    1442     -12
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-13)             Total: -13 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-15 13:08:48 +02:00
Denys Vlasenko
63d765e666 shells: add tests for backslashes in export VAR=VAL 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-14 19:15:20 +02:00
Denys Vlasenko
d8bd7012a3 hush: fix "export PS1=xyz" and "local PS1=xyz" messing up prompt 
function                                             old     new   delta
helper_export_local                                  215     253     +38
leave_var_nest_level                                 107     127     +20
run_pipe                                            1840    1857     +17
handle_changed_special_names                         101     105      +4
shell_builtin_read                                  1399    1398      -1
done_word                                            767     766      -1
parse_stream                                        2249    2245      -4
set_local_var                                        437     430      -7
is_well_formed_var_name                               66       -     -66
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 4/4 up/down: 79/-79)              Total: 0 bytes
   text	   data	    bss	    dec	    hex	filename
 952376	    485	   7296	 960157	  ea69d	busybox_old
 952400	    485	   7296	 960181	  ea6b5	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-14 18:56:04 +02:00
Denys Vlasenko
875ce094cf dd: fix handling of short result of full_write(), closes 11711 
$ dd bs=1G <sda1 of=/dev/sda1
dd: error writing '/dev/sda1': No space left on device
1+0 records in
0+0 records out
999292928 bytes (953.0MB) copied, 0.784617 seconds, 1.2GB/s

function                                             old     new   delta
write_and_stats                                       99     102      +3

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-14 17:49:14 +02:00
Denys Vlasenko
8c317f03f6 style fix, no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-14 17:26:47 +02:00
Denys Vlasenko
0545bfa841 sed: fix /regex/,+N match triggering only once, closes 11871 
function                                             old     new   delta
process_files                                       2235    2246     +11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-13 16:30:39 +02:00
Denys Vlasenko
15021f393d udhcpd: code shrink 
function                                             old     new   delta
is_nip_reserved_as_static                              -      28     +28
get_static_nip_by_mac                                 43      47      +4
udhcpd_main                                         1459    1454      -5
send_offer                                           449     444      -5
read_leases                                          309     299     -10
is_nip_reserved                                       20       -     -20
packed_usage                                       33283   33243     -40
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 1/4 up/down: 32/-80)            Total: -48 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-05-10 15:55:12 +02:00