Blame SOURCES/bash42-015

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			     BASH PATCH REPORT
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			     =================
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Bash-Release:	4.2
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Patch-ID:	bash42-015
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Bug-Reported-by:	<dnade.ext@orange-ftgroup.com>
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Bug-Reference-ID:	<728_1312188080_4E3666B0_728_118711_1_3B5D3E0F95CC5C478D6500CDCE8B691F7AAAA4AA3D@PUEXCB2B.nanterre.francetelecom.fr>
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Bug-Reference-URL:	http://lists.gnu.org/archive/html/bug-bash/2011-08/msg00000.html
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Bug-Description:
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When in a context where arithmetic evaluation is not taking place, the
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evaluator should not check for division by 0.
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Patch (apply with `patch -p0'):
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*** ../bash-4.2-patched/expr.c	2010-12-21 11:12:13.000000000 -0500
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--- expr.c	2011-08-02 20:58:28.000000000 -0400
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***************
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*** 477,480 ****
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--- 481,492 ----
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        if (special)
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  	{
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+ 	  if ((op == DIV || op == MOD) && value == 0)
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+ 	    {
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+ 	      if (noeval == 0)
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+ 		evalerror (_("division by 0"));
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+ 	      else
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+ 	        value = 1;
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+ 	    }
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+ 
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  	  switch (op)
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  	    {
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***************
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*** 483,493 ****
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  	      break;
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  	    case DIV:
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- 	      if (value == 0)
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- 		evalerror (_("division by 0"));
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  	      lvalue /= value;
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  	      break;
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  	    case MOD:
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- 	      if (value == 0)
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- 		evalerror (_("division by 0"));
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  	      lvalue %= value;
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  	      break;
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--- 495,501 ----
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***************
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*** 805,809 ****
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        if (((op == DIV) || (op == MOD)) && (val2 == 0))
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! 	evalerror (_("division by 0"));
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        if (op == MUL)
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--- 813,822 ----
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        if (((op == DIV) || (op == MOD)) && (val2 == 0))
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! 	{
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! 	  if (noeval == 0)
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! 	    evalerror (_("division by 0"));
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! 	  else
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! 	    val2 = 1;
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! 	}
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        if (op == MUL)
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*** ../bash-4.2-patched/patchlevel.h	Sat Jun 12 20:14:48 2010
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--- patchlevel.h	Thu Feb 24 21:41:34 2011
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***************
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*** 26,30 ****
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     looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 14
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  #endif /* _PATCHLEVEL_H_ */
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--- 26,30 ----
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     looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 15
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  #endif /* _PATCHLEVEL_H_ */