Age | Commit message (Collapse) | Author |
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
main 68 65 -3
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text data bss dec hex filename
1472 560 16 2048 800 busybox_old
1398 552 16 1966 7ae busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
evaluate_string 988 1011 +23
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
evaluate_string 945 988 +43
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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Some people prefer the week to start on Monday. Add the '-m'
option to support this.
function old new delta
cal_main 926 966 +40
day_array 316 337 +21
packed_usage 34151 34158 +7
.rodata 99224 99225 +1
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(add/remove: 0/0 grow/shrink: 4/0 up/down: 69/0) Total: 69 bytes
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Commit 9fe1548bb (date,touch: allow timezone offsets in dates)
mentioned the similarity between '@' format dates and those with
timezone offsets. It didn't notice that as a result there's
common code which can be shared.
function old new delta
parse_datestr 730 687 -43
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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
.rodata 104185 104180 -5
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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If the mode_string array is no longer static we can't rely on
it being NUL terminated.
function old new delta
bb_mode_string 115 118 +3
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
print_stat 861 869 +8
header_verbose_list_ar 73 77 +4
display_single 975 979 +4
header_verbose_list 237 239 +2
bb_mode_string 124 115 -9
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(add/remove: 0/0 grow/shrink: 4/1 up/down: 18/-9) Total: 9 bytes
text data bss dec hex filename
1043136 559 5052 1048747 1000ab busybox_old
1043153 559 5020 1048732 10009c busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bb_parse_mode 393 398 +5
static.who_mask 16 8 -8
static.perm_mask 24 12 -12
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Chmod used to incorrectly report as changed even files for which the
mode did not change. This was caused by extra bits in the st_mode, that
were not present when parsed from passed argument in the form of octal
number.
Patch by Wolf <wolf@wolfsden.cz>.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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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
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(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>
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function old new delta
.rodata 99277 99290 +13
normalize 177 142 -35
getopt_main 675 622 -53
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(add/remove: 0/0 grow/shrink: 1/2 up/down: 13/-88) Total: -75 bytes
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Patch adapted from Roberto A. Foglietta <roberto.foglietta@gmail.com>
work.
function old new delta
lookupvar 106 150 +44
evalfun 369 408 +39
ash_main 1218 1242 +24
varinit_data 156 168 +12
.rodata 104162 104172 +10
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(add/remove: 0/0 grow/shrink: 5/0 up/down: 129/0) Total: 129 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The default build uses strptime() in parse_datestr() to support the
'month_name d HH:MM:SS YYYY' format of GNU date. If we've linked
with strptime() there's an advantage is using it for other formats
too.
There's no change to the non-default, non-DESKTOP build.
function old new delta
fmt_str - 106 +106
.rodata 99216 99145 -71
parse_datestr 948 624 -324
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(add/remove: 1/0 grow/shrink: 0/2 up/down: 106/-395) Total: -289 bytes
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Commit fb7d6c89 from Harald van Dijk's gwsh variant of ash
(https://github.com/hvdijk/gwsh):
ignoreeof is documented as only having an effect for interactive shells,
but is implemented as having mostly the same effect for interactive
shells as for non-interactive shells. Change the implementation to match
the documentation.
Test case:
$SHELL -o ignoreeof /dev/null
function old new delta
cmdloop 359 361 +2
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Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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When the user tries to exit an interactive shell with stopped jobs
present the shell issues a warning and only exits if the user
insists by trying to exit again.
This shouldn't apply to non-interactive shells.
Reported-by: Roberto A. Foglietta <roberto.foglietta@gmail.com>
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The ignoreeof option should prevent an interactive shell from
exiting on EOF. This hasn't worked in BusyBox ash since commit
727752d2d (ash: better fix for ash -c 'echo 5&' and ash -c 'sleep 5&'
with testcase).
Commit 3b4d04b77e (ash: input: Allow two consecutive calls to pungetc)
pulled in improved support for multiple calls to pungetc from dash,
thus rendering much of commit 727752d2d obsolete. Removing this old
code fixes the problem with ignoreeof.
function old new delta
__pgetc 605 587 -18
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(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-18) Total: -18 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
df_main 1065 1068 +3
.rodata 104232 104233 +1
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 4/0) Total: 4 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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function old new delta
.rodata 104251 104232 -19
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
.rodata 104250 104251 +1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
basename_main 145 207 +62
packed_usage 33914 33950 +36
.rodata 104241 104250 +9
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(add/remove: 0/0 grow/shrink: 3/0 up/down: 107/0) Total: 107 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Also, no need to preserve errno
function old new delta
.rodata 104247 104241 -6
bb_lookup_port 97 83 -14
nc_main 1039 1018 -21
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(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-41) Total: -41 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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BusyBox on Termux can't use ports less than 1024 it's patched to change default port for httpd to 8080 and telnetd to 8023.
https://github.com/termux/termux-packages/blob/master/packages/busybox/0011-networking-telnetd-default-port.patch
https://github.com/termux/termux-packages/blob/master/packages/busybox/0010-networking-httpd-default-port.patch
To avoid such patches we can make port configurable.
function old new delta
packed_usage 33920 33914 -6
Signed-off-by: Sergey Ponomarev <stokito@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
awk_printf 651 628 -23
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
awk_printf 652 651 -1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
awk_printf 665 652 -13
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Commit 7d06d6e18 (awk: fix printf %%) can cause awk printf to read
beyond the end of a strduped buffer:
2349 while (*f && *f != '%')
2350 f++;
2351 c = *++f;
If the loop terminates because a NUL character is detected the
character after the NUL is read. This can result in failures
depending on the value of that character.
function old new delta
awk_printf 672 665 -7
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Date: Wed, 27 May 2020 13:19:10 +1000
eval: Prevent recursive PS4 expansion
Yaroslav Halchenko <yoh@onerussian.com> wrote:
> I like to (ab)use PS4 and set -x for tracing execution of scripts.
> Reporting time and PID is very useful in this context.
>
> I am not 100% certain if bash's behavior (of actually running the command
> embedded within PS4 string, probably eval'ing it) is actually POSIX
> compliant, posh seems to not do that; but I think it is definitely not
> desired for dash to just stall:
>
> - the script:
> #!/bin/sh
> set -x
> export PS4='+ $(date +%T.%N) [$$] '
> echo "lets go"
> sleep 1
> echo "done $var"
>
> - bash:
> /tmp > bash --posix test.sh
> +export 'PS4=+ $(date +%T.%N) [$$] '
> +PS4='+ $(date +%T.%N) [$$] '
> + 09:15:48.982296333 [2764323] echo 'lets go'
> lets go
> + 09:15:48.987829613 [2764323] sleep 1
> + 09:15:49.994485037 [2764323] echo 'done '
> done
>
...
> - dash: (stalls it set -x)
> /tmp > dash test.sh
> +export PS4=+ $(date +%T.%N) [$$]
> ^C^C
This patch fixes the infinite loop caused by repeated expansions
of PS4.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Upstream commit:
Date: Wed, 27 May 2020 12:19:13 +1000
parser: Get rid of PEOA
PEOA is a special character used to mark an alias as being finished
so that we don't enter an infinite loop with nested aliases. It
complicates the parser because we have to ensure that it is skipped
where necessary and not copied to the resulting token text.
This patch removes it and instead delays the marking of aliases
until the second pgetc. This has the same effect as the current
PEOA code while keeping the complexities within the input code.
This adds ~32 bytes of global data:
function old new delta
__pgetc - 512 +512
freestrings - 95 +95
popfile 86 110 +24
pushstring 141 160 +19
basepf 76 84 +8
syntax_index_table 258 257 -1
S_I_T 30 28 -2
.rodata 104255 104247 -8
pgetc_without_PEOA 13 - -13
xxreadtoken 230 215 -15
popstring 158 120 -38
readtoken1 3110 3045 -65
pgetc 547 22 -525
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(add/remove: 2/1 grow/shrink: 3/7 up/down: 658/-667) Total: -9 bytes
text data bss dec hex filename
1043102 559 5020 1048681 100069 busybox_old
1043085 559 5052 1048696 100078 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Upstream commit:
Date: Wed, 29 Apr 2020 00:19:59 +1000
parser: Fix alias expansion after heredoc or newlines
This script should print OK:
alias a="case x in " b=x
a
b) echo BAD;; esac
alias BEGIN={ END=}
BEGIN
cat <<- EOF > /dev/null
$(:)
EOF
END
: <<- EOF &&
$(:)
EOF
BEGIN
echo OK
END
However, because the value of checkkwd is either zeroed when it
shouldn't, or isn't zeroed when it should, dash currently gets
it wrong in every case.
This patch fixes it by saving checkkwd and zeroing it where needed.
function old new delta
readtoken 157 176 +19
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Adding previously skipped "readtoken1(pgetc_eatbnl(), syntax_type..." change
from upstream commit:
Date: Thu Mar 8 08:37:11 2018 +0100
parser: use pgetc_eatbnl() in more places
dash has a pgetc_eatbnl function in parser.c which skips any
backslash-newline combinations. It's not used everywhere it could be.
There is also some duplicated backslash-newline handling elsewhere in
parser.c. Replace most of the calls to pgetc() with calls to
pgetc_eatbnl() and remove the duplicated backslash-newline handling.
Testcase:
PS1='\
:::'
should result in ::: prompt, not <newline>::: prompt
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Upstream commit:
Date: Sun, 17 May 2020 23:36:25 +1000
parser: Save and restore heredoclist in expandstr
On Sun, May 17, 2020 at 01:19:28PM +0100, Harald van Dijk wrote:
> This still does not restore the state completely. It does not clean up any
> pending heredocs. I see:
>
> $ PS1='$(<<EOF "'
> src/dash: 1: Syntax error: Unterminated quoted string
> $(<<EOF ":
> >
>
> That is, after entering the ':' command, the shell is still trying to read
> the heredoc from the prompt.
This patch saves and restores the heredoclist in expandstr.
It also removes a bunch of unnecessary volatiles as those variables
are only referenced in case of a longjmp other than one started by
a signal like SIGINT.
function old new delta
expandstr 268 255 -13
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Upstream commit:
Date: Tue, 28 Apr 2020 01:15:26 +1000
parser: Fix handling of empty aliases
Dash was incorrectly handling empty aliases. When attempting to use an
empty alias with nothing else, I'm (incorrectly) prompted for more
input:
```
$ alias empty=''
$ empty
>
```
Other shells (e.g., bash, yash) correctly handle the lone, empty alias as an
empty command:
```
$ alias empty=''
$ empty
$
```
The problem here is that we incorrectly enter the loop eating TNLs
in readtoken(). This patch fixes it by setting checkkwd correctly.
function old new delta
list 351 355 +4
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
shuf_main 501 500 -1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
parse_and_run_string 40 62 +22
i_getch 105 102 -3
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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 var_LINENO3.tests fails for hush: it does start from 0, but does not increment.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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From larger patch by Roberto A. Foglietta <roberto.foglietta@gmail.com>
function old new delta
evalfun 348 369 +21
ash_main 1202 1218 +16
setinputstring 65 73 +8
lookupvar 116 106 -10
evaltree 772 753 -19
evalsubshell 192 173 -19
evalfor 175 156 -19
evalcase 273 254 -19
evalcommand 1560 1536 -24
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(add/remove: 0/0 grow/shrink: 3/6 up/down: 45/-110) Total: -65 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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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Upsteam commit:
Date: Mon, 17 May 2021 15:19:23 +0800
eval: Do not cache value of eflag in evaltree
Patrick BrĂ¼nn <P.Bruenn@beckhoff.com> wrote:
> Since we are migrating to Debian bullseye, we discovered a new behavior
> with our scripts, which look like this:
>>cleanup() {
>> set +e
>> rmdir ""
>>}
>>set -eu
>>trap 'cleanup' EXIT INT TERM
>>echo 'Hello world!'
>
> With old dash v0.5.10.2 this script would return 0 as we expected it.
> But since commit 62cf6955f8abe875752d7163f6f3adbc7e49ebae it returns
> the last exit code of our cleanup function.
...
Thanks for the report. This is actually a fairly old bug with
set -e that's just been exposed by the exit status change. What's
really happening is that cleanup itself is triggering a set -e
exit incorrectly because evaltree cached the value of eflag prior
to the function call.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Upstream commit:
Date: Thu, 4 Jun 2020 21:53:55 +1000
eval: Check nflag in evaltree instead of cmdloop
This patch moves the nflag check from cmdloop into evaltree. This
is so that nflag will be in force even if we enter the shell via a
path other than cmdloop, e.g., through sh -c.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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While at it, stop incrementing LINENO inside traps
function old new delta
evaltree 567 762 +195
evalfun 268 348 +80
trapcmd 286 333 +47
dotrap 129 157 +28
exitshell 120 139 +19
readtoken1 3096 3110 +14
nlprompt 25 39 +14
nlnoprompt 19 33 +14
.rodata 104245 104255 +10
forkchild 610 617 +7
optletters_optnames 64 68 +4
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(add/remove: 0/0 grow/shrink: 11/0 up/down: 432/0) Total: 432 bytes
Signed-off-by: Roberto A. Foglietta <roberto.foglietta@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
chat_main 1295 1303 +8
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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A refactor of the awk printf code in
e2e3802987266c98df0efdf40ad5da4b07df0113
appears to have broken the printf interpretation of two percent signs,
which normally outputs only one percent sign.
The patch below brings busybox awk printf behavior back into alignment
with the pre-e2e380 behavior, the busybox printf util, and other common
(awk and non-awk) printf implementations.
function old new delta
awk_printf 626 672 +46
Signed-off-by: Daniel Thau <danthau at bedrocklinux.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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