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On 12/19/11 11:12 AM, Dan Douglas wrote:
> Hi, This seems to corrupt the array in a way that crashes when trying to
> expand the array. Also occurs with the previous patchset.
>
> ~ $ ( while read -rn 1 'x[y++]'; do :; done < <(printf '%s\n' {0..5});
> declare -p x; echo "${x[@]}" )
> declare -a x='([0]="0" [1]="" [2]="1" [3]="" [4]="2" [5]="" [6]="3" [7]=""
> [8]="4" [9]="" [10]="5" [11]="" [12]="")'
> 0 1 2 3 4 5
> ~ $ ( while read -rN 1 'x[y++]'; do :; done < <(printf '%s\n' {0..5});
> declare -p x; echo "${x[@]}" )
> declare -a x='([0]="0" [1]= [2]="1" [3]= [4]="2" [5]= [6]="3" [7]= [8]="4"
> [9]= [10]="5" [11]= [12]="")'
> Segmentation fault
Thanks for the report, and the easy case to reproduce this problem. Try
the attached patch; it fixes the problem on my system.
Chet
- --
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU [email protected] http://cnswww.cns.cwru.edu/~chet/
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*** ../bash-4.2-patched/builtins/read.def 2011-11-21 18:03:38.000000000 -0500
--- builtins/read.def 2011-12-19 19:52:12.000000000 -0500
***************
*** 738,742 ****
}
else
! var = bind_read_variable (varname, t);
}
else
--- 775,779 ----
}
else
! var = bind_read_variable (varname, t ? t : "");
}
else
***************
*** 799,803 ****
}
else
! var = bind_read_variable (list->word->word, input_string);
if (var)
--- 836,840 ----
}
else
! var = bind_read_variable (list->word->word, input_string ? input_string : "");
if (var)
