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Re: address XXX comment at lines 987-990 in bashfile.c


From: Chet Ramey
Subject: Re: address XXX comment at lines 987-990 in bashfile.c
Date: Sat, 11 Jul 2015 18:32:40 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.6.0

On 7/11/15 4:15 PM, Bill Parker wrote:
> The comment above the line would seem to indicate otherwise:
> 
> Here is the comment:
> 
>    /* Now erase the contents of the current line and undo the effects of the
>       rl_accept_line() above.  We don't even want to make the text we just
>       executed available for undoing. */

Eduardo is correct.  The valid portion of the readline line buffer is the
string bounded by 0 and rl_end.  rl_line_buffer[rl_end] == 0, and setting
rl_line_buffer[rl_point = rl_end = 0] is sufficient to erase the contents
of the line buffer.

Chet
-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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