From 4f9bcc5ecc431d7a4d7b09bbe2f72df60a02c943 Mon Sep 17 00:00:00 2001
From: sg <goldsimon@gmx.de>
Date: Thu, 17 Sep 2015 22:00:16 +0200
Subject: [PATCH] fixed compiler warnings reported by mingw-64

---
 src/api/netdb.c            | 4 ++--
 src/api/sockets.c          | 4 ++--
 src/core/dns.c             | 2 +-
 src/core/netif.c           | 4 +++-
 src/include/lwip/ip_addr.h | 2 +-
 5 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/api/netdb.c b/src/api/netdb.c
index fd0a1497..55a18b96 100644
--- a/src/api/netdb.c
+++ b/src/api/netdb.c
@@ -118,11 +118,11 @@ lwip_gethostbyname(const char *name)
 #if DNS_DEBUG
   /* dump hostent */
   LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_name           == %s\n", s_hostent.h_name));
-  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_aliases        == %p\n", s_hostent.h_aliases));
+  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_aliases        == %p\n", (void*)s_hostent.h_aliases));
   /* h_aliases are always empty */
   LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addrtype       == %d\n", s_hostent.h_addrtype));
   LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_length         == %d\n", s_hostent.h_length));
-  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addr_list      == %p\n", s_hostent.h_addr_list));
+  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addr_list      == %p\n", (void*)s_hostent.h_addr_list));
   if (s_hostent.h_addr_list != NULL) {
     u8_t idx;
     for (idx=0; s_hostent.h_addr_list[idx]; idx++) {
diff --git a/src/api/sockets.c b/src/api/sockets.c
index 63a1d549..f1187f22 100644
--- a/src/api/sockets.c
+++ b/src/api/sockets.c
@@ -171,14 +171,14 @@ static void sockaddr_to_ipaddr_port(const struct sockaddr* sockaddr, ip_addr_t*
 #if LWIP_SO_SNDRCVTIMEO_NONSTANDARD
 #define LWIP_SO_SNDRCVTIMEO_OPTTYPE int
 #define LWIP_SO_SNDRCVTIMEO_SET(optval, val) (*(int *)(optval) = (val))
-#define LWIP_SO_SNDRCVTIMEO_GET_MS(optval)   ((s32_t)*(int*)(optval))
+#define LWIP_SO_SNDRCVTIMEO_GET_MS(optval)   ((s32_t)*(const int*)(optval))
 #else
 #define LWIP_SO_SNDRCVTIMEO_OPTTYPE struct timeval
 #define LWIP_SO_SNDRCVTIMEO_SET(optval, val)  do { \
   s32_t loc = (val); \
   ((struct timeval *)(optval))->tv_sec = (loc) / 1000U; \
   ((struct timeval *)(optval))->tv_usec = ((loc) % 1000U) * 1000U; }while(0)
-#define LWIP_SO_SNDRCVTIMEO_GET_MS(optval) ((((struct timeval *)(optval))->tv_sec * 1000U) + (((struct timeval *)(optval))->tv_usec / 1000U))
+#define LWIP_SO_SNDRCVTIMEO_GET_MS(optval) ((((const struct timeval *)(optval))->tv_sec * 1000U) + (((const struct timeval *)(optval))->tv_usec / 1000U))
 #endif
 
 #define NUM_SOCKETS MEMP_NUM_NETCONN
diff --git a/src/core/dns.c b/src/core/dns.c
index ef02cbad..484392a7 100644
--- a/src/core/dns.c
+++ b/src/core/dns.c
@@ -524,7 +524,7 @@ dns_lookup_local(const char *hostname, ip_addr_t *addr LWIP_DNS_ADDRTYPE_ARG(u8_
     entry = entry->next;
   }
 #else /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
-  int i;
+  size_t i;
   for (i = 0; i < sizeof(local_hostlist_static) / sizeof(struct local_hostlist_entry); i++) {
     if ((LWIP_DNS_STRICMP(local_hostlist_static[i].name, hostname) == 0) &&
         LWIP_DNS_ADDRTYPE_MATCH_IP(dns_addrtype, local_hostlist_static[i].addr)) {
diff --git a/src/core/netif.c b/src/core/netif.c
index 4b9f00a6..fff58937 100644
--- a/src/core/netif.c
+++ b/src/core/netif.c
@@ -772,6 +772,7 @@ netif_loop_output(struct netif *netif, struct pbuf *p)
   return ERR_OK;
 }
 
+#if LWIP_HAVE_LOOPIF
 #if LWIP_IPV4
 static err_t
 netif_loop_output_ipv4(struct netif *netif, struct pbuf *p, const ip4_addr_t* addr)
@@ -788,7 +789,8 @@ netif_loop_output_ipv6(struct netif *netif, struct pbuf *p, const ip6_addr_t* ad
   LWIP_UNUSED_ARG(addr);
   return netif_loop_output(netif, p);
 }
-#endif
+#endif /* LWIP_IPV6 */
+#endif /* LWIP_HAVE_LOOPIF */
 
 
 /**
diff --git a/src/include/lwip/ip_addr.h b/src/include/lwip/ip_addr.h
index c7bdda36..d86926b3 100644
--- a/src/include/lwip/ip_addr.h
+++ b/src/include/lwip/ip_addr.h
@@ -141,7 +141,7 @@ static const ip4_addr_t* ip_2_ip4_c(const ip_addr_t *ipaddr)
   ip4_addr_isany_val(*ip_2_ip4(&(ipaddr))))
 #define ip_addr_isbroadcast(ipaddr, netif) ((IP_IS_V6(ipaddr)) ? \
   0 : \
-  ip4_addr_isbroadcast(ip_2_ip4(ipaddr), netif))
+  ip4_addr_isbroadcast(ip_2_ip4_c(ipaddr), netif))
 #define ip_addr_ismulticast(ipaddr)  ((IP_IS_V6(ipaddr)) ? \
   ip6_addr_ismulticast(ip_2_ip6_c(ipaddr)) : \
   ip4_addr_ismulticast(ip_2_ip4_c(ipaddr)))