Re: (ITS#6497) Infinite loop in translucent.c

[ondrej.kuznik@acision.com]

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masarati@aero.polimi.it wrote:
> Fixed in HEAD; please test.  Thanks, p.

The patch works, however gcc with "-Wall -pedantic" complains that
according to C standards, behaviour of line like this is undefined.

For maximum portability, it is probably best to increment "i"
individually instead, as seen in the attached patch. I apologise for the
inconvenience of patching a tiny bug like this in two stages.

Ondrej Kuznik


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Index: openldap-2.4.20/servers/slapd/overlays/translucent.c
===================================================================
--- openldap-2.4.20.orig/servers/slapd/overlays/translucent.c	2010-03-25 14:38:21.000000000 +0100
+++ openldap-2.4.20/servers/slapd/overlays/translucent.c	2010-03-25 14:38:38.000000000 +0100
@@ -205,7 +205,8 @@
 			i = c->valx;
 			ch_free( (*an)[i].an_name.bv_val );
 			do {
-				(*an)[i] = (*an)[++i];
+				(*an)[i] = (*an)[i+1];
+				i++;
 			} while ( !BER_BVISNULL( &(*an)[i].an_name ));
 		}
 		return 0;


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