Author: uqs
Date: Sat Dec  4 14:19:27 2010
New Revision: 216184
URL: http://svn.freebsd.org/changeset/base/216184

Log:
  traceroute(8): make WARNS=3 clean
  
  Also fixes an operator precedence bug for TCP tracerouting

Modified:
  head/contrib/traceroute/as.c
  head/contrib/traceroute/as.h
  head/contrib/traceroute/ifaddrlist.c
  head/contrib/traceroute/traceroute.c
  head/usr.sbin/traceroute/Makefile

Modified: head/contrib/traceroute/as.c
==============================================================================
--- head/contrib/traceroute/as.c        Sat Dec  4 13:06:41 2010        
(r216183)
+++ head/contrib/traceroute/as.c        Sat Dec  4 14:19:27 2010        
(r216184)
@@ -56,13 +56,14 @@ struct aslookup {
 };
 
 void *
-as_setup(char *server)
+as_setup(const char *server)
 {
        struct aslookup *asn;
        struct addrinfo hints, *res0, *res;
        FILE *f;
        int s, error;
 
+       s = -1;
        if (server == NULL)
                server = getenv("RA_SERVER");
        if (server == NULL)

Modified: head/contrib/traceroute/as.h
==============================================================================
--- head/contrib/traceroute/as.h        Sat Dec  4 13:06:41 2010        
(r216183)
+++ head/contrib/traceroute/as.h        Sat Dec  4 14:19:27 2010        
(r216184)
@@ -30,6 +30,6 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-void *as_setup(char *);
+void *as_setup(const char *);
 unsigned int as_lookup(void *, char *, sa_family_t);
 void as_shutdown(void *);

Modified: head/contrib/traceroute/ifaddrlist.c
==============================================================================
--- head/contrib/traceroute/ifaddrlist.c        Sat Dec  4 13:06:41 2010        
(r216183)
+++ head/contrib/traceroute/ifaddrlist.c        Sat Dec  4 14:19:27 2010        
(r216184)
@@ -71,14 +71,14 @@ ifaddrlist(register struct ifaddrlist **
 {
        register int fd, nipaddr;
 #ifdef HAVE_SOCKADDR_SA_LEN
-       register int n;
+       size_t n;
 #endif
        register struct ifreq *ifrp, *ifend, *ifnext, *mp;
        register struct sockaddr_in *sin;
        register struct ifaddrlist *al;
        struct ifconf ifc;
        struct ifreq ibuf[(32 * 1024) / sizeof(struct ifreq)], ifr;
-#define MAX_IPADDR (sizeof(ibuf) / sizeof(ibuf[0]))
+#define MAX_IPADDR ((int)(sizeof(ibuf) / sizeof(ibuf[0])))
        static struct ifaddrlist ifaddrlist[MAX_IPADDR];
        char device[sizeof(ifr.ifr_name) + 1];
 
@@ -91,10 +91,10 @@ ifaddrlist(register struct ifaddrlist **
        ifc.ifc_buf = (caddr_t)ibuf;
 
        if (ioctl(fd, SIOCGIFCONF, (char *)&ifc) < 0 ||
-           ifc.ifc_len < sizeof(struct ifreq)) {
+           ifc.ifc_len < (int)sizeof(struct ifreq)) {
                if (errno == EINVAL)
                        (void)sprintf(errbuf,
-                           "SIOCGIFCONF: ifreq struct too small (%d bytes)",
+                           "SIOCGIFCONF: ifreq struct too small (%zu bytes)",
                            sizeof(ibuf));
                else
                        (void)sprintf(errbuf, "SIOCGIFCONF: %s",

Modified: head/contrib/traceroute/traceroute.c
==============================================================================
--- head/contrib/traceroute/traceroute.c        Sat Dec  4 13:06:41 2010        
(r216183)
+++ head/contrib/traceroute/traceroute.c        Sat Dec  4 14:19:27 2010        
(r216184)
@@ -220,7 +220,6 @@ static const char rcsid[] =
 #include <netinet/ip_var.h>
 #include <netinet/ip_icmp.h>
 #include <netinet/udp.h>
-#include <netinet/udp_var.h>
 #include <netinet/tcp.h>
 #include <netinet/tcpip.h>
 
@@ -1424,7 +1423,7 @@ tcp_check(const u_char *data, int seq)
 
        return (ntohs(tcp->th_sport) == ident
            && ntohs(tcp->th_dport) == port + (fixedPort ? 0 : seq))
-           && tcp->th_seq == (ident << 16) | (port + seq);
+           && tcp->th_seq == (((tcp_seq)ident << 16) | (port + seq));
 }
 
 void
@@ -1497,19 +1496,17 @@ u_short 
 p_cksum(struct ip *ip, u_short *data, int len)
 {
        static struct ipovly ipo;
-       u_short sumh, sumd;
-       u_long sumt;
+       u_short sum[2];
 
        ipo.ih_pr = ip->ip_p;
        ipo.ih_len = htons(len);
        ipo.ih_src = ip->ip_src;
        ipo.ih_dst = ip->ip_dst;
 
-       sumh = in_cksum((u_short*)&ipo, sizeof(ipo)); /* pseudo ip hdr cksum */
-       sumd = in_cksum((u_short*)data, len);         /* payload data cksum */
-       sumt = (sumh << 16) | (sumd);
+       sum[1] = in_cksum((u_short*)&ipo, sizeof(ipo)); /* pseudo ip hdr cksum 
*/
+       sum[0] = in_cksum(data, len);                   /* payload data cksum */
 
-       return ~in_cksum((u_short*)&sumt, sizeof(sumt));
+       return ~in_cksum(sum, sizeof(sum));
 }
 
 /*

Modified: head/usr.sbin/traceroute/Makefile
==============================================================================
--- head/usr.sbin/traceroute/Makefile   Sat Dec  4 13:06:41 2010        
(r216183)
+++ head/usr.sbin/traceroute/Makefile   Sat Dec  4 14:19:27 2010        
(r216184)
@@ -31,7 +31,7 @@ LDADD=        -lipsec
 
 CFLAGS+= -I${TRACEROUTE_DISTDIR}
 
-WARNS?=        0
+WARNS?=        3
 
 version.c: ${TRACEROUTE_DISTDIR}/VERSION
        @rm -f ${.TARGET}
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