From: Nigel Kukard <nkukard@lbsd.net>
Date: Wed, 30 Aug 2017 05:53:37 +0000 (+0000)
Subject: bgpd: Cleaned up the lcom->size * LCOMMUNITY_SIZE with lcom_length()
X-Git-Tag: frr-4.0-dev~348^2~12
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=79dab4b7f4af46ade2b87fa76c94e34355dcc7cd;p=mirror%2Ffrr.git

bgpd: Cleaned up the lcom->size * LCOMMUNITY_SIZE with lcom_length()

Signed-off-by: Nigel Kukard <nkukard@lbsd.net>
---

diff --git a/bgpd/bgp_attr.c b/bgpd/bgp_attr.c
index da5d1e8d9c..42cf45c88a 100644
--- a/bgpd/bgp_attr.c
+++ b/bgpd/bgp_attr.c
@@ -3058,20 +3058,20 @@ bgp_size_t bgp_packet_attribute(struct bgp *bgp, struct peer *peer,
 	if (CHECK_FLAG(peer->af_flags[afi][safi],
 		       PEER_FLAG_SEND_LARGE_COMMUNITY)
 	    && (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LARGE_COMMUNITIES))) {
-		if (attr->lcommunity->size * LCOMMUNITY_SIZE > 255) {
+		if (lcom_length(attr->lcommunity) > 255) {
 			stream_putc(s, BGP_ATTR_FLAG_OPTIONAL
 					       | BGP_ATTR_FLAG_TRANS
 					       | BGP_ATTR_FLAG_EXTLEN);
 			stream_putc(s, BGP_ATTR_LARGE_COMMUNITIES);
-			stream_putw(s, attr->lcommunity->size * LCOMMUNITY_SIZE);
+			stream_putw(s, lcom_length(attr->lcommunity));
 		} else {
 			stream_putc(s, BGP_ATTR_FLAG_OPTIONAL
 					       | BGP_ATTR_FLAG_TRANS);
 			stream_putc(s, BGP_ATTR_LARGE_COMMUNITIES);
-			stream_putc(s, attr->lcommunity->size * LCOMMUNITY_SIZE);
+			stream_putc(s, lcom_length(attr->lcommunity));
 		}
 		stream_put(s, attr->lcommunity->val,
-			   attr->lcommunity->size * LCOMMUNITY_SIZE);
+			   lcom_length(attr->lcommunity));
 	}
 
 	/* Route Reflector. */
@@ -3422,21 +3422,20 @@ void bgp_dump_routes_attr(struct stream *s, struct attr *attr,
 
 	/* Large Community attribute. */
 	if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LARGE_COMMUNITIES)) {
-		if (attr->lcommunity->size * LCOMMUNITY_SIZE > 255) {
+		if (lcom_length(attr->lcommunity) > 255) {
 			stream_putc(s, BGP_ATTR_FLAG_OPTIONAL
 					       | BGP_ATTR_FLAG_TRANS
 					       | BGP_ATTR_FLAG_EXTLEN);
 			stream_putc(s, BGP_ATTR_LARGE_COMMUNITIES);
-			stream_putw(s, attr->lcommunity->size * LCOMMUNITY_SIZE);
+			stream_putw(s, lcom_length(attr->lcommunity));
 		} else {
 			stream_putc(s, BGP_ATTR_FLAG_OPTIONAL
 					       | BGP_ATTR_FLAG_TRANS);
 			stream_putc(s, BGP_ATTR_LARGE_COMMUNITIES);
-			stream_putc(s, attr->lcommunity->size * LCOMMUNITY_SIZE);
+			stream_putc(s, lcom_length(attr->lcommunity));
 		}
 
-		stream_put(s, attr->lcommunity->val,
-			   attr->lcommunity->size * LCOMMUNITY_SIZE);
+		stream_put(s, attr->lcommunity->val, lcom_length(attr->lcommunity));
 	}
 
 	/* Add a MP_NLRI attribute to dump the IPv6 next hop */
diff --git a/bgpd/bgp_lcommunity.c b/bgpd/bgp_lcommunity.c
index 344a25dfa6..fd734b2c5b 100644
--- a/bgpd/bgp_lcommunity.c
+++ b/bgpd/bgp_lcommunity.c
@@ -151,9 +151,8 @@ struct lcommunity *lcommunity_dup(struct lcommunity *lcom)
 	new = XCALLOC(MTYPE_LCOMMUNITY, sizeof(struct lcommunity));
 	new->size = lcom->size;
 	if (new->size) {
-		new->val = XMALLOC(MTYPE_LCOMMUNITY_VAL,
-				   lcom->size * LCOMMUNITY_SIZE);
-		memcpy(new->val, lcom->val, lcom->size * LCOMMUNITY_SIZE);
+		new->val = XMALLOC(MTYPE_LCOMMUNITY_VAL, lcom_length(lcom));
+		memcpy(new->val, lcom->val, lcom_length(lcom));
 	} else
 		new->val = NULL;
 	return new;
@@ -175,14 +174,13 @@ struct lcommunity *lcommunity_merge(struct lcommunity *lcom1,
 	if (lcom1->val)
 		lcom1->val =
 			XREALLOC(MTYPE_LCOMMUNITY_VAL, lcom1->val,
-				 (lcom1->size + lcom2->size) * LCOMMUNITY_SIZE);
+				 lcom_length(lcom1) + lcom_length(lcom2));
 	else
 		lcom1->val =
 			XMALLOC(MTYPE_LCOMMUNITY_VAL,
-				(lcom1->size + lcom2->size) * LCOMMUNITY_SIZE);
+				lcom_length(lcom1) + lcom_length(lcom2));
 
-	memcpy(lcom1->val + (lcom1->size * LCOMMUNITY_SIZE), lcom2->val,
-	       lcom2->size * LCOMMUNITY_SIZE);
+	memcpy(lcom1->val + lcom_length(lcom1), lcom2->val, lcom_length(lcom2));
 	lcom1->size += lcom2->size;
 
 	return lcom1;
@@ -231,7 +229,7 @@ void lcommunity_unintern(struct lcommunity **lcom)
 unsigned int lcommunity_hash_make(void *arg)
 {
 	const struct lcommunity *lcom = arg;
-	int size = lcom->size * LCOMMUNITY_SIZE;
+	int size = lcom_length(lcom);
 	u_int8_t *pnt = lcom->val;
 	unsigned int key = 0;
 	int c;
@@ -261,7 +259,7 @@ int lcommunity_cmp(const void *arg1, const void *arg2)
 	const struct lcommunity *lcom2 = arg2;
 
 	return (lcom1->size == lcom2->size
-		&& memcmp(lcom1->val, lcom2->val, lcom1->size * LCOMMUNITY_SIZE)
+		&& memcmp(lcom1->val, lcom2->val, lcom_length(lcom1))
 			   == 0);
 }