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Re: CTLESC and CTLNUL not dequoted in exported function definitions
From: |
Chet Ramey |
Subject: |
Re: CTLESC and CTLNUL not dequoted in exported function definitions |
Date: |
Sun, 9 Apr 2017 20:07:55 -0400 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.0 |
On 4/9/17 6:12 PM, Grisha Levit wrote:
> On Sun, Apr 9, 2017 at 5:56 PM, Chet Ramey <chet.ramey@case.edu> wrote:
>> Thanks for the report and fix. This is the patch where you could have used
>> dequote_escapes() ;-) .
>
> Yup, I realized I'd done the previous one incorrectly shortly after writing
> this one, sorry about that.
>
> But I'm not sure about dequoting the function name, so I wanted to dequote
> just the value, not the whole sting pointed to by q. In retrospect, maybe
> I should have clarified that issue first:
>
> $ eval $'\001() { :; }'
> $ declare -F | xxd
> 00000000: 6465 636c 6172 6520 2d66 2001 010a declare -f ...
> ^^ ^^
>
> The actual function that's created actually *is* $'\001\001':
No, that's true, and it should be fixed. At some point, though, you have
to ask yourself what someone would be doing creating a function named ^A.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/