--- setprogname.c.orig	2009-11-07 14:51:38.000000000 -0800
+++ setprogname.c	2009-11-07 14:51:39.000000000 -0800
@@ -3,6 +3,10 @@ __FBSDID("$FreeBSD: src/lib/libc/gen/set
 
 #include <stdlib.h>
 #include <string.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <crt_externs.h>
+#define	__progname	(*_NSGetProgname())
 
 #include "libc_private.h"
 
@@ -10,10 +14,20 @@ void
 setprogname(const char *progname)
 {
 	const char *p;
-
+	char buf[2*MAXCOMLEN+1];
+	int mib[2];
+	
 	p = strrchr(progname, '/');
 	if (p != NULL)
-		__progname = p + 1;
+		__progname = (char *)(p = p + 1);
 	else
-		__progname = progname;
+		__progname = (char *)(p = progname);
+
+	strlcpy(&buf[0], (char *)(p), sizeof(buf));
+
+	mib[0] = CTL_KERN;
+	mib[1] = KERN_PROCNAME;
+
+	/* ignore errors as this is not a hard error */
+	sysctl(mib, 2, NULL, NULL, &buf[0], strlen(buf));
 }