From: Roy Marples <roy@marples.name>
Date: Wed, 9 Jul 2008 23:26:36 +0000 (+0000)
Subject: Save a few bytes by avoiding memset.
X-Git-Tag: v4.0.2~218
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f5f8e223833e1d13d157d465d3626ea6a4bba67c;p=thirdparty%2Fdhcpcd.git

Save a few bytes by avoiding memset.
---

diff --git a/net.c b/net.c
index e6ac96aa..2243051a 100644
--- a/net.c
+++ b/net.c
@@ -618,7 +618,7 @@ int
 send_arp(const struct interface *iface, int op, in_addr_t sip, in_addr_t tip)
 {
 	struct arphdr *arp;
-	size_t arpsize, l;
+	size_t arpsize;
 	uint8_t *p;
 	int retval;
 
@@ -645,9 +645,8 @@ send_arp(const struct interface *iface, int op, in_addr_t sip, in_addr_t tip)
 	memcpy(p, &tip, sizeof(tip));
 	p += sizeof(tip);
 	/* Zero pad if needed */
-	l = p - (uint8_t *)arp;
-	if (l < arpsize)
-		memset(p, 0, arpsize - l);
+	while (p < (uint8_t *)arp + arpsize)
+		*p++ = '\0';
 
 	retval = send_raw_packet(iface, ETHERTYPE_ARP, arp, arpsize);
 	free(arp);