Use const and static as needed, disable unused code

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3452 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 13 insertions, 13 deletions

diff --git a/slirp/udp.c b/slirp/udp.c
index 8510380..c48923b 100644
--- a/slirp/udp.c
+++ b/slirp/udp.c
@@ -51,14 +51,17 @@ struct udpstat udpstat;
 
 struct socket udb;
 
+static u_int8_t udp_tos(struct socket *so);
+static void udp_emu(struct socket *so, struct mbuf *m);
+
 /*
  * UDP protocol implementation.
  * Per RFC 768, August, 1980.
  */
 #ifndef	COMPAT_42
-int	udpcksum = 1;
+#define UDPCKSUM 1
 #else
-int	udpcksum = 0;		/* XXX */
+#define UDPCKSUM 0 /* XXX */
 #endif
 
 struct	socket *udp_last_so = &udb;
@@ -132,7 +135,7 @@ udp_input(m, iphlen)
 	/*
 	 * Checksum extended UDP header and data.
 	 */
-	if (udpcksum && uh->uh_sum) {
+	if (UDPCKSUM && uh->uh_sum) {
 	  ((struct ipovly *)ip)->ih_next = 0;
 	  ((struct ipovly *)ip)->ih_prev = 0;
 	  ((struct ipovly *)ip)->ih_x1 = 0;
@@ -292,13 +295,13 @@ int udp_output2(struct socket *so, struct mbuf *m,
 	 * Stuff checksum and output datagram.
 	 */
 	ui->ui_sum = 0;
-	if (udpcksum) {
+	if (UDPCKSUM) {
 	    if ((ui->ui_sum = cksum(m, /* sizeof (struct udpiphdr) + */ m->m_len)) == 0)
 		ui->ui_sum = 0xffff;
 	}
 	((struct ip *)ui)->ip_len = m->m_len;
 
-	((struct ip *)ui)->ip_ttl = ip_defttl;
+	((struct ip *)ui)->ip_ttl = IPDEFTTL;
 	((struct ip *)ui)->ip_tos = iptos;
 
 	STAT(udpstat.udps_opackets++);
@@ -369,7 +372,7 @@ udp_detach(so)
 	sofree(so);
 }
 
-struct tos_t udptos[] = {
+static const struct tos_t udptos[] = {
 	{0, 53, IPTOS_LOWDELAY, 0},			/* DNS */
 	{517, 517, IPTOS_LOWDELAY, EMU_TALK},	/* talk */
 	{518, 518, IPTOS_LOWDELAY, EMU_NTALK},	/* ntalk */
@@ -377,9 +380,8 @@ struct tos_t udptos[] = {
 	{0, 0, 0, 0}
 };
 
-u_int8_t
-udp_tos(so)
-	struct socket *so;
+static u_int8_t
+udp_tos(struct socket *so)
 {
 	int i = 0;
 
@@ -402,10 +404,8 @@ udp_tos(so)
 /*
  * Here, talk/ytalk/ntalk requests must be emulated
  */
-void
-udp_emu(so, m)
-	struct socket *so;
-	struct mbuf *m;
+static void
+udp_emu(struct socket *so, struct mbuf *m)
 {
 	struct sockaddr_in addr;
         int addrlen = sizeof(addr);