From 10f3e50b75e7c6df5df4efd1098ca00b0f5c2ff9 Mon Sep 17 00:00:00 2001
From: Fred Klassen <fklassen@appneta.com>
Date: Sat, 19 Dec 2015 17:38:30 -0800
Subject: [PATCH] fix compiler warnings

---
 src/common/sendpacket.c     | 5 +++--
 src/fragroute/mod_ip6_opt.c | 3 ---
 src/tcpreplay_api.c         | 9 +++++++--
 src/tcprewrite.c            | 3 +--
 4 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/src/common/sendpacket.c b/src/common/sendpacket.c
index 34e64dd8b..449f20dba 100644
--- a/src/common/sendpacket.c
+++ b/src/common/sendpacket.c
@@ -160,6 +160,7 @@ static int get_iface_index(int fd, const char *device, char *);
 
 #ifdef HAVE_TUNTAP
 #ifdef HAVE_LINUX
+#include <net/if.h>
 #include <linux/if_tun.h>
 #elif defined(HAVE_FREEBSD)
 #define TUNTAP_DEVICE_PREFIX "/dev/"
@@ -775,7 +776,7 @@ sendpacket_get_hwaddr_pcap(sendpacket_t *sp)
 }
 #endif /* HAVE_PCAP_INJECT || HAVE_PCAP_SENDPACKET */
 
-#if defined HAVE_LIBDNET
+#if defined HAVE_LIBDNET && !defined HAVE_PF_PACKET && !defined HAVE_BPF
 /**
  * Inner sendpacket_open() method for using libdnet
  */
@@ -806,7 +807,7 @@ sendpacket_open_libdnet(const char *device, char *errbuf)
 static struct tcpr_ether_addr *
 sendpacket_get_hwaddr_libdnet(sendpacket_t *sp)
 {
-    struct tcpr_ether_addr *addr;
+    struct tcpr_ether_addr *addr = NULL;
     int ret;
     assert(sp);
 
diff --git a/src/fragroute/mod_ip6_opt.c b/src/fragroute/mod_ip6_opt.c
index f90a8950e..7efbbcb9d 100644
--- a/src/fragroute/mod_ip6_opt.c
+++ b/src/fragroute/mod_ip6_opt.c
@@ -107,7 +107,6 @@ int
 ip6_opt_apply(void *d, struct pktq *pktq)
 {
 	struct ip6_opt_data *opt = (struct ip6_opt_data *)d;
-	struct __ip6_ext_data_routing* route;
 	struct ip6_ext_hdr* ext;
 	int offset, len;
 	struct pkt *pkt;
@@ -134,8 +133,6 @@ ip6_opt_apply(void *d, struct pktq *pktq)
 
 			len = (IP6_ADDR_LEN / 8) * opt->u.route.segments;
 
-			route = (struct __ip6_ext_data_routing*)ext;
-
 			ext->ext_data.routing.type = 0;
 			ext->ext_data.routing.segleft = opt->u.route.segments;
 			((uint32_t*)ext)[1] = 0; /* reserved */
diff --git a/src/tcpreplay_api.c b/src/tcpreplay_api.c
index 310c707a3..136b68606 100644
--- a/src/tcpreplay_api.c
+++ b/src/tcpreplay_api.c
@@ -182,9 +182,14 @@ tcpreplay_post_args(tcpreplay_t *ctx, int argc)
         options->speed.mode = speed_oneatatime;
         options->speed.speed = 0;
     } else if (HAVE_OPT(MBPS)) {
-        options->speed.mode = speed_mbpsrate;
         n = atof(OPT_ARG(MBPS));
-        options->speed.speed = (COUNTER)(n * 1000000.0); /* convert to bps */
+        if (n) {
+            options->speed.mode = speed_mbpsrate;
+            options->speed.speed = (COUNTER)(n * 1000000.0); /* convert to bps */
+        } else {
+            options->speed.mode = speed_topspeed;
+            options->speed.speed = 0;
+        }
     } else if (HAVE_OPT(MULTIPLIER)) {
         options->speed.mode = speed_multiplier;
         options->speed.multiplier = atof(OPT_ARG(MULTIPLIER));
diff --git a/src/tcprewrite.c b/src/tcprewrite.c
index d860bca7d..5b9eb9f1a 100644
--- a/src/tcprewrite.c
+++ b/src/tcprewrite.c
@@ -229,7 +229,7 @@ rewrite_packets(tcpedit_t *tcpedit, pcap_t *pin, pcap_dumper_t *pout)
     COUNTER packetnum = 0;
     int rcode;
 #ifdef ENABLE_FRAGROUTE
-    int frag_len, i, proto;
+    int frag_len, proto;
 #endif
 
     pkthdr_ptr = &pkthdr;
@@ -302,7 +302,6 @@ rewrite_packets(tcpedit_t *tcpedit, pcap_t *pin, pcap_dumper_t *pout)
                 if (fragroute_process(options.frag_ctx, *pktdata, pkthdr_ptr->caplen) < 0)
                     errx(-1, "Error processing packet via fragroute: %s", options.frag_ctx->errbuf);
 
-                i = 0;
                 while ((frag_len = fragroute_getfragment(options.frag_ctx, &frag)) > 0) {
                     /* frags get the same timestamp as the original packet */
                     dbgx(1, "processing packet " COUNTER_SPEC " frag: %u (%d)", packetnum, i++, frag_len);