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> cannot be compiled with -Wno-cast-qual due to a volatile pointer
> being passed to memset(), and there's no easy way other than open-
> coding memset() to fix this

How about __UNVOLATILE?

best regards
Matthias



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Index: tc/px.c
===================================================================
RCS file: /cvsroot/src/sys/dev/tc/px.c,v
retrieving revision 1.23
diff -u -r1.23 px.c
--- tc/px.c	27 Feb 2005 00:27:49 -0000	1.23
+++ tc/px.c	2 Jun 2005 13:08:57 -0000
@@ -378,7 +378,8 @@
 		}
 
 		sxc = si->si_sxc;
-	 	memset((void *)sxc->sxc_done, 0, sizeof(sxc->sxc_done));
+#define UNVOLATILE(a) ((void *)(unsigned long)(volatile void *)(a))
+	 	memset(UNVOLATILE(sxc->sxc_done), 0, sizeof(sxc->sxc_done));
 		sxc->sxc_head = 0;
 		sxc->sxc_tail = 0;
 		sxc->sxc_nreject = 0;

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