Re: compgen -W "$(ls $HOME)" -> malloc error

[Ian Macdonald]

On Mon 06 May 2002 at 18:18:37 +0000, you wrote:

> Configuration Information [Automatically generated, do not change]:
> Machine: i686
> OS: linux-gnu
> Compiler: gcc
> Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i686' 
> -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i686-pc-linux-gnu' 
> -DCONF_VENDOR='pc' -DSHELL -DHAVE_CONFIG_H  -D_GNU_SOURCE  -I.  -I. 
> -I./include -I./lib -O2 -march=i386 -mcpu=i686
> uname output: Linux localhost.localdomain 2.4.7-10 #1 Thu Sep 6 17:27:27 EDT 
> 2001 i686 unknown
> Machine Type: i686-pc-linux-gnu
> 
> Bash Version: 2.05a
> Patch Level: 0
> Release Status: release
> 
> Description:
>       I recently upgraded from 2.05 to 2.05a and noticed a large number of my
>       completion functions running off with the CPU. Sending them a SIGINT
>         gives something like:
> 
>       malloc: variables.c:1886: assertion botched
>       free: underflow detected; mh_nbytes out of range
>       last command: grep -i 'assertion botched' *
>       Stopping myself...
>  
> Repeat-By:
>       compgen -W "$(ls $HOME)"
>         compgen -W "$(echo -e "a\nb")"
>       
> Fix:
>       Not known. Sorry, I don't have time to investigate further at the 
> moment.
> 
> Workaround:
>       Use single quotes to quote the argument to compgen -W where possible.
>       eg. compgen -W '$(ls $HOME)'

compgen -W doesn't like newline characters in its arguments in bash
2.05a.

Ian
-- 
Ian Macdonald               | Each person has the right to take the
ian@caliban.org             | subway. 
                            | 
                            | 
                            |