| Commit message (Collapse) | Author | Age |
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This patch adds a special case in testcmd for the 4-argument
expression beginning with a !. Without this ! ! = ! is deemed
a syntax error, which breaks POSIX.
Note that this special case does not extend down into subexpressions
so if ! ! = ! is used inside parentheses then a syntax error will
still occur as before.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When nexpr gets an unexpected EOI, this may cause crashes further
up the call chain because we've advanced t_wp too far. Fix it by
checking for EOI in nexpr and only advancing t_wp if we've got more
arguments.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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- Solaris lacks paths.h and the various _PATH_* #defines.
Check for them in configure.ac and fall back on the
usual suspects when they are missing.
- Older Solaris lacks isblank(), and versions that have it
use a macro. Check for the declaration in configure.ac
and fall back on a naive version when missing.
- Older Solaris does not support %jd (intmax_t) in format
strings, but it does support the PRIdMAX macro from inttypes.h.
Do a configure check for PRIdMAX and use it in the code.
If it doesn't exist, define it to "lld" when sizeof(long long)
equals sizeof(intmax_t) as this is more likely to work on
older systems. Otherwise, use "jd" and hope for the best.
- Older Solaris lacks stdint.h, but inttypes.h provides the
same types and works on all platforms I've tried dash on,
so just use it instead.
- Older Solaris doesn't like it when vsnprintf() is passed
a NULL buffer (in violation of the POSIX spec, of course).
Pass a 1-byte dummy buffer instead.
- Solaris lacks tempfile and mktemp programs. Fall back on a
"good-enough" custom function in mkbuiltins.
Signed-off-by: Brian Koropoff <bkoropoff@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Eric Blake suggested that we should use faccessat so that ACLs
and other corner cases are handled correctly. This patch does
exactly that.
Note that faccessat doesn't handle ACLs when euid != uid, as
this case is currently implemented by glibc instead of the kernel,
using code similar to the existing dash test.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The previous two changes were broken because t_lex uses global state.
This patch removes that by making t_wp local to t_lex.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Making these functions non-recursive is straightforward since they
carry no state.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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----- 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>
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This patch adds the function atomax10 and uses it in test(1) so that we
support intmax_t comparisons.
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* Speed up (libc=glibc):
deen:debian/src/dash-0.5.3# echo $(((7853+8631+7529+9777+9161+7552)/6))
8417,8250 # this patch
deen:/mnt/work/debian/src/dash-0.5.3# echo $(((9553+7789+9450+9925+7595+9590)/6))
8983 # short
deen:debian/src/dash-0.5.3# echo $(( (9655+7853+9733+7826+9618+10053)/6 ))
9123 # '[' ']'
deen:debian/src/dash-0.5.3#
deen:debian/src/dash-0.5.3# echo $(((9231+9423+9365+9650+8883+8291)/6))
9140 # unpatched
deen:debian/src/dash-0.5.3#
* Size down:
olecom@deen:/mnt/debian/src/dash-0.5.3$ size src/test.o # this patchset
text data bss dec hex filename
4142 0 16 4158 103e src/test.o
olecom@deen:/mnt/debian/src/dash-0.5.3$ size src/test.o
text data bss dec hex filename
4209 0 16 4225 1081 src/test.o
olecom@deen:/mnt/debian/src/dash-0.5.3$
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Some trailing whitespace was killed or tabified.
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Check getgroups() and fwrite() return code, required to build with
-D_FORTIFY_SOURCE=2.
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Let's remove the support for standalone support from test for the same
reason as printf.
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This change updates the BSD licence to the three-clause version since
NetBSD has already done so. This makes dash GPL-compatible.
It also adds Christos Zoulas (NetBSD ash maintainer) to the COPYING file.
I've added "copyright by Herbert Xu" to most files.
Finally all CVS IDs and inclusion of sys/cdefs.h have been removed.
The latter is needed for support of klibc.
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