Age | Commit message (Collapse) | Author |
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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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Upstream dash commit:
Date: Sun, 13 Jul 2008 19:20:10 +0800
Fixed 3,4-argument cases for test per POSIX
----- Forwarded message from Gerrit Pape <pape@smarden.org> -----
Subject: Bug#455828: dash: 4-argument test "test \( ! -e \)" yields an error
Date: Fri, 28 Dec 2007 08:53:29 +0000
From: Gerrit Pape <pape@smarden.org>
To: Vincent Lefevre <vincent@vinc17.org>, 455828@bugs.debian.org
On Thu, Dec 27, 2007 at 06:23:20PM +0100, Vincent Lefevre wrote:
> On 2007-12-27 16:00:06 +0000, Gerrit Pape wrote:
> > On Wed, Dec 12, 2007 at 02:18:47AM +0100, Vincent Lefevre wrote:
> > > According to POSIX[*], "test \( ! -e \)" is a 4-argument test and is
> > > here equivalent to "test ! -e". But dash (like ksh93 and bash) yields
> > > an error:
> > >
> > > $ test \( ! -e \) || echo $?
> > > test: 1: closing paren expected
> > > 2
> > > $ test ! -e || echo $?
> > > 1
> >
> > Hi Vincent,
> >
> > the -e switch to test takes an argument, a pathname.
>
> According to POSIX, in both above examples, "-e" is *not* a switch,
> just a string.
>
> test \( ! -e \)
>
> means: return true if the string "-e" is empty, otherwhise return false.
> The error in dash is that it incorrectly thinks that "-e" is a switch in
> this context.
I see, you're right. Thanks, Gerrit.
----- End forwarded message -----
This patch hard-codes the 3,4-argument cases in the way required by
POSIX.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
function old new delta
test_main 370 421 +51
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
data_extract_all 968 1038 +70
tar_main 952 986 +34
scan_tree 258 262 +4
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(add/remove: 0/0 grow/shrink: 3/0 up/down: 108/0) Total: 108 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
basename_main 153 148 -5
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Those two spaces after tab have no effect, and always a nuisance when editing.
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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Currently od_bloaty does this:
$ /bin/echo -en '\x00\x00\x00\x00\x00\x00\x00\x00' | busybox od -f
od: invalid character 'F' in type string 'fF'
$ /bin/echo -en '\x00\x00\x00\x00\x00\x00\x00\x00' | busybox od -t fD
od: invalid character 'D' in type string 'fD'
$ /bin/echo -en '\x00\x00\x00\x00\x00\x00\x00\x00' | busybox od -t f
0000000
0000010
The first two occur because the alphabetic length specifier isn't being
properly skipped. The third is due to the empty length specifier being
treated as alphabetic so we fall off the end of the FDL_sizeof array with
undetermined consequences. Coreutils defaults to printing a double in
this case.
With this patch the output is:
$ /bin/echo -en '\x00\x00\x00\x00\x00\x00\x00\x00' | ./busybox od -f
0000000 0.0000000e+00 0.0000000e+00
0000010
$ /bin/echo -en '\x00\x00\x00\x00\x00\x00\x00\x00' | ./busybox od -t fD
0000000 0.000000000000000e+00
0000010
$ /bin/echo -en '\x00\x00\x00\x00\x00\x00\x00\x00' | ./busybox od -t f
0000000 0.000000000000000e+00
0000010
I guess nobody uses BusyBox od to print floating point numbers.
Signed-off-by: Ron Yorston <rmy@pobox.com>
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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One of the tests for printf checks for an invalid bare '%' in the
format string:
$ busybox printf '%' a b c
printf: %: invalid format
On x86_64 a slightly different test doesn't work correctly:
$ busybox printf '%' d e f
printf: invalid number 'd'
printf: invalid number 'e'
printf: invalid number 'f'
On other platforms the test fails randomly depending on how the
arguments are laid out in memory.
There are two places in the code where strchr is used to determine if
a character in the format string is valid. However, strchr also returns
a valid pointer if the character being searched for is the null terminator
thus causing the code to incorrectly suppose that a valid character has
been found.
Add explicit checks for the null terminator.
Signed-off-by: Ron Yorston <rmy@pobox.com>
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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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
cat_main 418 428 +10
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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When these options were introduced in d88f94a5df3a2edb8ba56fab5c13674b452f87ab
it provides no config options to compile them out. Now provide one.
Introduce config FEATURE_CATN.
Signed-off-by: Kang-Che Sung <explorer09@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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"""
For example, given input file:
foo
bar
baz
after shuffling the input file, foo will never end up back on the first line.
This came to light when I ran into a use-case where someone was selecting
a random line from a file using shuf | head -n 1, and the results on busybox
were showing a statistical anomaly (as in, the first line would never ever
be picked) vs the same process running on environments that had gnu coreutils
installed.
On line https://git.busybox.net/busybox/tree/coreutils/shuf.c#n56 it uses
r %= i, which will result in 0 <= r < i, while the algorithm specifies
0 <= r <= i.
"""
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bb_getgroups - 111 +111
nexpr 843 757 -86
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(add/remove: 2/0 grow/shrink: 0/1 up/down: 111/-86) Total: 25 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Declaration of ls_longopts and initialization of applet_long_options
were incorrectly guarded with ENABLE_FEATURE_LS_COLOR; that yielded a
"ls: NO_OPT: \xff" error message when long options were selected and
color support was not. This patch ensures long options are
initialized separately from color support.
Signed-off-by: Laurent Bercot <ska-dietlibc@skarnet.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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By klemens <ka7@github.com>
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
factorize_numstr - 72 +72
packed_usage 31562 31566 +4
factor_main 109 101 -8
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(add/remove: 1/0 grow/shrink: 1/1 up/down: 76/-8) Total: 68 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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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
cat_main 150 320 +170
packed_usage 31511 31552 +41
applet_install_loc 190 189 -1
applet_main 1516 1512 -4
applet_names 2618 2613 -5
catv_main 227 - -227
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(add/remove: 0/2 grow/shrink: 2/3 up/down: 211/-237) Total: -26 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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No code changes
Surprisingly, nice and renice are coming from different packages :)
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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No code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
who_main 451 463 +12
packed_usage 31477 31485 +8
applet_main 1508 1512 +4
applet_names 2606 2608 +2
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(add/remove: 0/0 grow/shrink: 4/0 up/down: 26/0) Total: 26 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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function old new delta
isqrt_odd 70 88 +18
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
isqrt_odd 111 70 -41
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
factorize 287 260 -27
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
isqrt_odd 114 111 -3
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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function old new delta
isqrt_odd 87 80 -7
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
isqrt_odd 102 87 -15
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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function old new delta
factorize - 161 +161
isqrt_odd - 102 +102
factor_main 281 110 -171
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(add/remove: 2/0 grow/shrink: 0/1 up/down: 263/-171) Total: 92 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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thus far only able to factor up to ULLONG_MAX
function old new delta
factor_main - 378 +378
packed_usage 31427 31502 +75
applet_names 2590 2597 +7
applet_main 1500 1504 +4
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(add/remove: 2/0 grow/shrink: 3/0 up/down: 464/0) Total: 464 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
nproc_main - 98 +98
applet_names 2584 2590 +6
applet_main 1496 1500 +4
applet_install_loc 187 188 +1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
shred_main 361 356 -5
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
shred_main - 361 +361
packed_usage 31427 31467 +40
applet_names 2578 2584 +6
applet_main 1492 1496 +4
run_applet_and_exit 679 682 +3
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(add/remove: 2/0 grow/shrink: 4/0 up/down: 414/0) Total: 414 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Jody Bruchon <jody@jodybruchon.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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