use the UNUSED() macro

bin/tests/dst/t_dst.c

@@ -32,6 +32,7 @@
 #include <isc/mem.h>
 #include <isc/region.h>
 #include <isc/string.h>
+#include <isc/util.h>
 
 #include <dst/dst.h>
 #include <dst/result.h>
@@ -123,7 +124,7 @@ dh(char *name1, int id1, char *name2, int id2, isc_mem_t *mctx,
 	isc_buffer_t	b1, b2;
 	isc_region_t	r1, r2;
 
-	exp_result = exp_result; /* unused */
+	UNUSED(exp_result);
 
 	p = getcwd(current, PATH_MAX);;
 	if (p == NULL) {

lib/dns/rdata/generic/unspec_103.c

@@ -15,7 +15,7 @@
  * SOFTWARE.
  */
 
-/* $Id: unspec_103.c,v 1.17 2000/05/05 05:50:11 marka Exp $ */
+/* $Id: unspec_103.c,v 1.18 2000/05/11 22:43:38 gson Exp $ */
 
 #ifndef RDATA_GENERIC_UNSPEC_103_C
 #define RDATA_GENERIC_UNSPEC_103_C
@@ -41,11 +41,10 @@ static inline isc_result_t
 totext_unspec(dns_rdata_t *rdata, dns_rdata_textctx_t *tctx, 
 	      isc_buffer_t *target) 
 {
-	
 
 	REQUIRE(rdata->type == 103);
 
-	tctx = tctx;	/*unused*/
+	UNUSED(tctx);
 
 	return (btoa_totext(rdata->data, rdata->length, target));
 }
@@ -59,9 +58,10 @@ fromwire_unspec(dns_rdataclass_t rdclass, dns_rdatatype_t type,
 
 	REQUIRE(type == 103);
 
-	rdclass = rdclass;		/*unused*/
-	dctx = dctx;		/*unused*/
-	downcase = downcase;	/*unused*/
+	UNUSED(rdclass);
+	UNUSED(dctx);
+	UNUSED(downcase);
+	
 	isc_buffer_activeregion(source, &sr);
 	isc_buffer_forward(source, sr.length);
 	return (mem_tobuffer(target, sr.base, sr.length));
@@ -72,7 +72,7 @@ towire_unspec(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
 
 	REQUIRE(rdata->type == 103);
 
-	cctx = cctx;		/*unused*/
+	UNUSED(cctx);
 
 	return (mem_tobuffer(target, rdata->data, rdata->length));
 }

lib/dns/rdatalist.c

@@ -85,7 +85,7 @@ dns_rdatalist_tordataset(dns_rdatalist_t *rdatalist,
 
 static void
 rdatalist_disassociate(dns_rdataset_t *rdataset) {
-	(void)rdataset;				/* Keep compiler quiet. */
+	UNUSED(rdataset);
 }
 
 static isc_result_t

lib/dns/sec/dst/openssl_link.c

@@ -19,7 +19,7 @@
 
 /*
  * Principal Author: Brian Wellington
- * $Id: openssl_link.c,v 1.19 2000/05/08 14:37:08 tale Exp $
+ * $Id: openssl_link.c,v 1.20 2000/05/11 22:47:00 gson Exp $
  */
 #if defined(OPENSSL)
 
@@ -323,7 +323,7 @@ dst_openssl_from_dns(dst_key_t *key, isc_buffer_t *data, isc_mem_t *mctx) {
 	isc_region_t r;
 	unsigned int t, p_bytes;
 
-	mctx = mctx;	/* make the compiler happy */
+	UNUSED(mctx);
 
 	isc_buffer_remainingregion(data, &r);
 	if (r.length == 0)
@@ -546,8 +546,8 @@ dst_openssl_generate(dst_key_t *key, int unused, isc_mem_t *mctx) {
 	isc_result_t ret;
 	isc_region_t r;
 
-	unused = unused;	/* make the compiler happy */
-	mctx = mctx;		/* make the compiler happy */
+	UNUSED(unused);
+	UNUSED(mctx);
 
 	isc_buffer_init(&rand, rand_array, sizeof(rand_array));
 	ret = dst_random_get(SHA_DIGEST_LENGTH, &rand);