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@@ -0,0 +1,81 @@
+ BASH PATCH REPORT
+ =================
+
+Bash-Release: 4.2
+Patch-ID: bash42-015
+
+Bug-Reported-by: <dnade.ext@orange-ftgroup.com>
+Bug-Reference-ID: <728_1312188080_4E3666B0_728_118711_1_3B5D3E0F95CC5C478D6500CDCE8B691F7AAAA4AA3D@PUEXCB2B.nanterre.francetelecom.fr>
+Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2011-08/msg00000.html
+
+Bug-Description:
+
+When in a context where arithmetic evaluation is not taking place, the
+evaluator should not check for division by 0.
+
+Patch (apply with `patch -p0'):
+
+*** ../bash-4.2-patched/expr.c 2010-12-21 11:12:13.000000000 -0500
+--- expr.c 2011-08-02 20:58:28.000000000 -0400
+***************
+*** 477,480 ****
+--- 481,492 ----
+ if (special)
+ {
++ if ((op == DIV || op == MOD) && value == 0)
++ {
++ if (noeval == 0)
++ evalerror (_("division by 0"));
++ else
++ value = 1;
++ }
++
+ switch (op)
+ {
+***************
+*** 483,493 ****
+ break;
+ case DIV:
+- if (value == 0)
+- evalerror (_("division by 0"));
+ lvalue /= value;
+ break;
+ case MOD:
+- if (value == 0)
+- evalerror (_("division by 0"));
+ lvalue %= value;
+ break;
+--- 495,501 ----
+***************
+*** 805,809 ****
+
+ if (((op == DIV) || (op == MOD)) && (val2 == 0))
+! evalerror (_("division by 0"));
+
+ if (op == MUL)
+--- 813,822 ----
+
+ if (((op == DIV) || (op == MOD)) && (val2 == 0))
+! {
+! if (noeval == 0)
+! evalerror (_("division by 0"));
+! else
+! val2 = 1;
+! }
+
+ if (op == MUL)
+*** ../bash-4.2-patched/patchlevel.h Sat Jun 12 20:14:48 2010
+--- patchlevel.h Thu Feb 24 21:41:34 2011
+***************
+*** 26,30 ****
+ looks for to find the patch level (for the sccs version string). */
+
+! #define PATCHLEVEL 14
+
+ #endif /* _PATCHLEVEL_H_ */
+--- 26,30 ----
+ looks for to find the patch level (for the sccs version string). */
+
+! #define PATCHLEVEL 15
+
+ #endif /* _PATCHLEVEL_H_ */