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This reverts commit 7bb413255368e94395237d789f522891093c5774.
The commit breaks printf with more than argument.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The commit 7a784244625d5489c0fc779201c349555dc5f8bc ("[BUILTIN]
Simplify echo command") broke echo -n by making it always terminate
after printing the first argument.
This patch fixes this by only terminating when we have reached
the end of the arguments.
Fixes: 7a784244625d ("[BUILTIN] Simplify echo command")
Reported-by: Luigi Tarenga <luigi.tarenga@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Dash doesn't notice when a format string has digits following a * width
specifier.
$ dash -c 'printf "%*0s " 1 2 && echo FAIL || echo OK'
%10s FAIL
$ bash -c 'printf "%*0s " 1 2 && echo FAIL || echo OK'
bash: line 0: printf: `0': invalid format character
OK
$ mksh -c 'printf "%*0s " 1 2 && echo FAIL || echo OK'
printf: %*0: invalid conversion specification
OK
With this patch dash complains about the malformed specifications.
$ ./src/dash -c 'printf "%*0s " 1 2 && echo FAIL || echo OK'
./src/dash: 1: printf: %*0: invalid directive
OK
Fixes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=779618
Originally-by: Patrick Brown <opensource@whoopdedo.org>
Forwarded-by: Gioele Barabucci <gioele@svario.it>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch removes the duplicate octal handling for %b by reusing
the existing code in conv_escape.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replaces uses of warnx where we abort with error since
the effect is the same. The exit status however changes from 1 to
2. Non-fatal errors where we continue are unchanged.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch removes getintmax and moves its functionality into
getuintmax in order to reduce code duplication.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Currently we try to preserve the format string which is stored in
argv after temporarily modifying it. This is unnecessary as it's
only ever used once. This patch gets rid of it.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=379227
On Sat, Jul 22, 2006 at 12:48:38PM +0200, A Mennucc wrote:
> Package: dash
> Version: 0.5.3-3
> Severity: normal
>
> hi
>
> here are the examples
>
> $ bash -c 'echo -n -e "A\0102C\00D\0E" | hexdump -c'
> 0000000 A B C \0 D \0 E
> 0000007
>
> $ /bin/echo -n -e "A\0102C\00D\0E" | hexdump -c
> 0000000 A B C \0 D \0 E
> 0000007
>
> $ zsh -c 'echo -n -e "A\0102C\00D\0E" | hexdump -c'
> 0000000 A B C \0 D \0 E
> 0000007
>
> $ dash -c 'echo -n "A\0102C\00D\0E" | hexdump -c'
> 0000000 A B C
> 0000003
>
> and also
>
> $ dash -c 'echo -n "ABC\0DEFGH" | hexdump -c'
> 0000000 A B C
> 0000003
>
> As you see, dash 's builtin echo truncates the output at the first \0
>
> a.
>
> -- System Information:
> Debian Release: testing/unstable
> APT prefers unstable
> APT policy: (500, 'unstable'), (500, 'testing')
> Architecture: i386 (i686)
> Shell: /bin/sh linked to /bin/bash
> Kernel: Linux 2.6.16-1-k7
> Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8)
>
> Versions of packages dash depends on:
> ii libc6 2.3.6-15 GNU C Library: Shared libraries
>
> dash recommends no packages.
>
> -- debconf information:
> * dash/sh: false
>
> --
> Andrea Mennucc
> "E' un mondo difficile. Che vita intensa!" (Tonino Carotone)
This patch fixes handling of embedded NULs using an approach similar
to the one taken by NetBSD. In particular, we first determine the
length of the output string, and then use a sequence of Xs of the
same length as input to the underlying C printf to determine the
amount of leading and trailing padding. Finally we replace the
Xs with the actual string before writing it out.
In order to print out the temporary string containing Xs and padding,
a new helper xasprintf is added. Unlike asprintf though, our
xasprintf prints to the ash stack rather than using straight malloc
memory.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds the format string characters a, A and F to the
supported set of the built-in printf command. They're already
supported by the underlying printf function.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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On 12/03/2012 05:59 PM, Harald van Dijk wrote:
> On 12/03/2012 08:42 AM, Roy wrote:
>> MSYS libc does not support %j[dXx] format, only %ll[dXx] is supported.
>>
>> diff --git a/src/bltin/printf.c b/src/bltin/printf.c
>> index 893295c..12ce660 100644
>> --- a/src/bltin/printf.c
>> +++ b/src/bltin/printf.c
>> @@ -319,11 +319,12 @@ mklong(const char *str, const char *ch)
>> char *copy;
>> size_t len;
>>
>> - len = ch - str + 3;
>> + len = ch - str + 4;
>> STARTSTACKSTR(copy);
>> copy = makestrspace(len, copy);
>> - memcpy(copy, str, len - 3);
>> - copy[len - 3] = 'j';
>> + memcpy(copy, str, len - 4);
>> + copy[len - 4] = 'l';
>> + copy[len - 3] = 'l';
>> copy[len - 2] = *ch;
>> copy[len - 1] = '\0';
>> return (copy);
>
> The calling code uses the result to print intmax_t and uintmax_t values.
> Printing intmax_t values with %lld is wrong, this will only work if
> intmax_t is really a typedef for long long (which may be true on your
> system, but is not required by the standard).
>
> The other patch that Jonathan linked to should work just fine.
Here's a slightly tweaked version of that patch. Regardless of whether
PRIdMAX is defined as "jd" or as "lld", the use of memcpy here, first
copying "jd"/"lld" and the null byte, and only changing the 'd' after
that, surprisingly results in slightly shorter object code than the
original byte-by-byte approach, even though memcpy is fully inlined.
Perhaps that could be a reason for applying this, even if the original
reason for it, making the code work on not-quite-conforming systems,
isn't good enough to get it in dash.
Tested with normal glibc, and with glibc hacked to not provide PRIdMAX.
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The patch to make outc into an inline function created an unnecessary
promotion in echocmd due to its use of char vs. the int used by outc.
This patch changes echocmd to use int instead.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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On Thu, Nov 03, 2005 at 07:16:53PM +0100, Mike Hommey wrote:
> Here is a simple test case:
>
> #!/bin/dash
> echo test\\ test
> echo '\c'
> echo test\\ test
>
> it outputs:
> test\ test
> test\
>
> This is due to mis-usage of a global variable. See attached patch for a
> fix.
Instead of setting rval when \c is detected, this is now set in the
return value of conv_escape_str. This prevents the spillage reported
in http://bugs.debian.org/337294.
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Instead of calling conv_escape_str when we detect a backslash we will call it
unconditionally. This helps get rid of some unnecessary code in echocmd.
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The support for standalone/csh printf only serves to complicate
maintainence.
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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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