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Author SHA1 Message Date
Denys Vlasenko
47367e1d50 Convert all networking/* applets to "new style" applet definitions 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-23 09:05:14 +01:00
Denys Vlasenko
e32b64c4ec Convert all modutils/* applets to "new style" applet definitions 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-23 07:54:52 +01:00
Denys Vlasenko
5467d268f0 Make killall and killall5 selecatable independent from kill 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-23 06:43:46 +01:00
Denys Vlasenko
f8f81ed7aa Convert all procps/* applets to "new style" applet definitions 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-23 06:23:44 +01:00
Denys Vlasenko
f88e3bfa8d Convert all miscutils/* applets to "new style" applet definitions 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-22 23:54:17 +01:00
Denys Vlasenko
fb4da16711 Split miscutils/Config.src items into miscutils/*.c files 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-22 23:14:24 +01:00
Denys Vlasenko
9f8eb1ee76 httpd: explain why we use sprintf and why it should be fine 
While at it, fix a pathological case where it is not fine:
-r REALM with some 8-kbyte long REALM would overflow the buffer.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-22 02:23:35 +01:00
Denys Vlasenko
7e8218f9b2 Fix allnoconfig warnings 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-18 21:42:44 +01:00
Denys Vlasenko
f4d0f4e7a9 applets.h.sh: a script to check applet names against config options 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-17 15:34:16 +01:00
Denys Vlasenko
10880cc20f Make mkfs.vfat and mkdosfs individually selectable 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-16 16:18:50 +01:00
Denys Vlasenko
0581a2f304 Make mke2fs and mkfs.ext2 individually selectable 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-16 16:12:11 +01:00
Denys Vlasenko
eb3fdc843e Make bzcat, lzcat, xzcat, zcat, lzopcat, unlzop individually selectable 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-16 15:45:05 +01:00
Denys Vlasenko
a8c696bf09 Make ifup and ifdown individually selectable. 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-14 18:31:07 +01:00
Denys Vlasenko
f417ffd88f Make swapon and swapoff individually selectable. 
For example, without swapoff, code shrinks by 277 bytes.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-14 17:30:50 +01:00
Denys Vlasenko
1924e99ad3 Make grep/egrep/fgrep independently selectable 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-14 05:09:48 +01:00
Denys Vlasenko
97e9a72c71 Make halt/poweroff/reboot independently selectable 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-14 04:55:04 +01:00
Denys Vlasenko
c314ca9016 Make setarch/linux32/linux64 independently selectable 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-13 22:56:04 +01:00
Denys Vlasenko
67fd2f2858 dnsdomainname: split it from "hostname", make it independently selectable 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-13 22:35:10 +01:00
Denys Vlasenko
9655f95d0f tar: handle pax-encoded utf8 filenames and link names. Closes 9406 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-11 17:56:45 +01:00
Denys Vlasenko
87e039d016 hush: make getch/peek functions directly called 
Indirect calls are more difficult to predict.
Unfortunately, on x64 direct call is 5 bytes while indirect "call (reg+ofs)"
is 3 bytes:

function                                             old     new   delta
i_getch                                                -      82     +82
i_peek                                                 -      63     +63
parse_stream                                        2531    2579     +48
parse_dollar                                         771     797     +26
parse_redirect                                       296     321     +25
add_till_closing_bracket                             408     420     +12
encode_string                                        256     265      +9
i_peek_and_eat_bkslash_nl                             93      99      +6
add_till_backquote                                   110     114      +4
parse_and_run_stream                                 139     141      +2
expand_vars_to_list                                 1143    1144      +1
static_peek                                            6       -      -6
setup_string_in_str                                   39      18     -21
setup_file_in_str                                     40      19     -21
static_get                                            27       -     -27
file_peek                                             52       -     -52
file_get                                              65       -     -65
------------------------------------------------------------------------------
(add/remove: 2/4 grow/shrink: 9/2 up/down: 278/-192)           Total: 86 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-08 22:35:05 +01:00
Denys Vlasenko
00a06b9715 hush: renumber PIPE_foo, make PIPE_SEQ = 0 
PIPE_SEQ is used most often, having it zero makes code smaller:

function                                             old     new   delta
done_word                                            719     707     -12
parse_stream                                        2546    2531     -15

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-08 20:35:53 +01:00
Denys Vlasenko
6c635d62d4 hush: small optimization in run_list 
I thought gcc can detect this itself. It doesn't.

function                                             old     new   delta
run_list                                            1030    1021      -9

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-08 20:26:11 +01:00
Denys Vlasenko
5cc9bf6a21 hush: deindent large block of code, no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-08 17:34:44 +01:00
Denys Vlasenko
1eada9ad8d hush: simplify insert_bg_jobs 
function                                             old     new   delta
insert_bg_job                                        366     281     -85

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-08 17:28:45 +01:00
Denys Vlasenko
830ea35484 hush: make "wait %1" less likely to play with signal mask 
Was playing with "sleep 3 | exit 3 & wait %1" and noticed that often
SIGCHLD arrives even before I get to signal masking. Can avoid it in this
case.

function                                             old     new   delta
wait_for_child_or_signal                             228     265     +37

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-08 04:59:11 +01:00
Denys Vlasenko
02affb4afd hush: rework "wait %jobspec" to work in non-interactive shells too 
Also add tests. wait5.tests so far fails (but works for ash and dash).

function                                             old     new   delta
builtin_wait                                         305     283     -22

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-08 00:59:29 +01:00
Denys Vlasenko
26ad94bedc hush: "wait $!; echo $?" should return 127 if $! already exited 
It would be nice to provide bash-like "remember las exitcode"
thingy, but it's a bit complex. For now, match ash and dash.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-07 23:07:21 +01:00
Denys Vlasenko
62b717b75e hush: implement "wait %jobspec" 
function                                             old     new   delta
parse_jobspec                                          -      83     +83
job_exited_or_stopped                                  -      79     +79
builtin_wait                                         236     302     +66
wait_for_child_or_signal                             199     228     +29
checkjobs                                            142     158     +16
builtin_jobs                                          59      68      +9
process_wait_result                                  453     408     -45
builtin_fg_bg                                        272     203     -69
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 4/2 up/down: 282/-114)          Total: 168 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-07 22:12:18 +01:00
Denys Vlasenko
4e1c8b4f6a hush: factor out %jobspec parsing 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-07 20:06:40 +01:00
Denys Vlasenko
5d5a611df2 hush: comment fix 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-07 19:36:50 +01:00
Denys Vlasenko
4224647c8d hush: do not allow sh -c '{ echo boo }' 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-07 16:22:35 +01:00
Aaro Koskinen
46443a383c cpio: add ownership (-R) test cases 
Add ownership (-R) test cases.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-04 22:32:46 +01:00
Denys Vlasenko
aeaee43d5a hush: case logic for setting $? was still wrong 
Resetting to 0 should happen in "esac". Matched branch must
still see previous $?.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-04 20:14:04 +01:00
Denys Vlasenko
30bfcf612b hush: non-matching "case" statement sets $? to 0 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-04 18:52:48 +01:00
Denys Vlasenko
672a55e606 hush: allow { cmd } to not be terminated by semicolon in some cases 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-04 18:46:14 +01:00
Denys Vlasenko
06b114900f ash: fix "duplicate local" code (forgot to re-enable interrupts) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-04 16:43:18 +01:00
Denys Vlasenko
834aba3b72 comment and readme updates 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-04 14:13:58 +01:00
Denys Vlasenko
79e2598c48 su: expand help; simplify passing of -c CMD to run_shell() 
Also, added a comment about bug 9401 (TIOCSTI input injection).

function                                             old     new   delta
packed_usage                                       30909   30932     +23
su_main                                              470     487     +17
sulogin_main                                         260     258      -2
run_applet_and_exit                                  681     678      -3
run_shell                                            166     126     -40

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-03 22:13:08 +01:00
Denys Vlasenko
2b288236e8 loadfont: 32k size limit is not enough 
Since our "read to malloced buf" routines only gradually grow
allocations, let's be generous here and allow 128k.

Reported by Alex Henrie <alexhenrie24@gmail.com>

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-03 20:57:37 +01:00
Denys Vlasenko
1ab7c2fc6d ash: while (!got_sig) pause() is not reliable, use sigsuspend() 
dash was doing it for a reason. Unfortunately, it had no comment why...
now I know.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-03 20:22:54 +01:00
Denys Vlasenko
2e6af54971 man: remove -Tascii from nroff invocation 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-31 14:05:34 +01:00
Denys Vlasenko
7c3c92c533 man: make width selection more thorough; explain how to override it 
Fedora's "man CMD >file" still uses terminal width, not 80 (but disables formatting),
this change mimics that.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-31 01:52:18 +01:00
Denys Vlasenko
a92a74961d man: allow nroff and tbl commands be overridden; unmangle writing to files 
Parse this in config files:
	 DEFINE col ...
	 DEFINE tbl ...
	 DEFINE nroff ...
Add width options to nroff command line.
Use "tbl", not "gtbl", as default tbl command.
Export GROFF_NO_SGR=1 and use "col -b -p -x" instead of pager when writing to file.

function                                             old     new   delta
man_main                                             735     863    +128
if_redefined                                           -      64     +64
show_manpage                                         199     169     -30
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/1 up/down: 192/-30)           Total: 162 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-30 22:31:30 +01:00
Denys Vlasenko
d4f3db9427 ash: if using libc glob(), skip it if no metachars are in word 
This saves making tons of pointless stat() calls

function                                             old     new   delta
expandarg                                            888     921     +33

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-30 18:41:01 +01:00
Denys Vlasenko
474ed06c39 ash: fix bit-rotten debug infrastructure 
DEBUG = 2 output was a bit messed up

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-30 18:30:29 +01:00
Denys Vlasenko
493b9cae80 ash: make popfile() anfter popallfiles() safe 
In this example:

	ash -c 'readonly x; echo $(command eval x=2)'

evalstring() is called after forkchild(), which calls popallfiles().
On exception, evalstring() will popfile().

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-30 18:27:14 +01:00
Denys Vlasenko
9db74e49e5 hush: fix "(sleep 1; exit 3) & sleep 2; echo $?; wait $!; echo $?" 
"wait $!" may be just a bit too late: backgrounded $! is gone.
Do not bomb out in this case.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-28 22:39:12 +02:00
Denys Vlasenko
7e6753609d hush: fix "wait PID" 
It was not properly interruptible, and did not update job status
(the exited processes were still thought of as running).

function                                             old     new   delta
process_wait_result                                    -     453    +453
wait_for_child_or_signal                               -     199    +199
run_list                                             996    1002      +6
checkjobs_and_fg_shell                                41      43      +2
builtin_wait                                         328     215    -113
checkjobs                                            516     142    -374
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 2/2 up/down: 660/-487)          Total: 173 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-28 21:59:09 +02:00
Denys Vlasenko
8f7b0248ad ash: use pause(), not sigsuspend(), in wait builtin 
Same effect, smaller code

function                                             old     new   delta
dowait                                               463     374     -89

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-28 17:16:11 +02:00
Denys Vlasenko
d81e9f5093 ash: fix interactive "command eval STRING" exiting on errors. 
This bug is also present in current dash

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-28 15:43:50 +02:00