slirp: Fix types of IP address parameters

Should be uint32_t for IPv4, not int. Also avoid in_addr_t without
proper includes. Fixes build regression on mingw32.
Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com>

slirp/arp_table.c

@@ -24,9 +24,9 @@
 
 #include "slirp.h"
 
-void arp_table_add(Slirp *slirp, int ip_addr, uint8_t ethaddr[ETH_ALEN])
+void arp_table_add(Slirp *slirp, uint32_t ip_addr, uint8_t ethaddr[ETH_ALEN])
 {
-    const in_addr_t broadcast_addr =
+    const uint32_t broadcast_addr =
         ~slirp->vnetwork_mask.s_addr | slirp->vnetwork_addr.s_addr;
     ArpTable *arptbl = &slirp->arp_table;
     int i;
@@ -60,29 +60,29 @@ void arp_table_add(Slirp *slirp, int ip_addr, uint8_t ethaddr[ETH_ALEN])
     arptbl->next_victim = (arptbl->next_victim + 1) % ARP_TABLE_SIZE;
 }
 
-bool arp_table_search(Slirp *slirp, int in_ip_addr,
+bool arp_table_search(Slirp *slirp, uint32_t ip_addr,
                       uint8_t out_ethaddr[ETH_ALEN])
 {
-    const in_addr_t broadcast_addr =
+    const uint32_t broadcast_addr =
         ~slirp->vnetwork_mask.s_addr | slirp->vnetwork_addr.s_addr;
     ArpTable *arptbl = &slirp->arp_table;
     int i;
 
     DEBUG_CALL("arp_table_search");
-    DEBUG_ARG("ip = 0x%x", in_ip_addr);
+    DEBUG_ARG("ip = 0x%x", ip_addr);
 
     /* Check 0.0.0.0/8 invalid source-only addresses */
-    assert((in_ip_addr & htonl(~(0xf << 28))) != 0);
+    assert((ip_addr & htonl(~(0xf << 28))) != 0);
 
     /* If broadcast address */
-    if (in_ip_addr == 0xffffffff || in_ip_addr == broadcast_addr) {
+    if (ip_addr == 0xffffffff || ip_addr == broadcast_addr) {
         /* return Ethernet broadcast address */
         memset(out_ethaddr, 0xff, ETH_ALEN);
         return 1;
     }
 
     for (i = 0; i < ARP_TABLE_SIZE; i++) {
-        if (arptbl->table[i].ar_sip == in_ip_addr) {
+        if (arptbl->table[i].ar_sip == ip_addr) {
             memcpy(out_ethaddr, arptbl->table[i].ar_sha,  ETH_ALEN);
             DEBUG_ARGS((dfd, " found hw addr = %02x:%02x:%02x:%02x:%02x:%02x\n",
                         out_ethaddr[0], out_ethaddr[1], out_ethaddr[2],

slirp/slirp.h

@@ -208,9 +208,9 @@ typedef struct ArpTable {
     int next_victim;
 } ArpTable;
 
-void arp_table_add(Slirp *slirp, int ip_addr, uint8_t ethaddr[ETH_ALEN]);
+void arp_table_add(Slirp *slirp, uint32_t ip_addr, uint8_t ethaddr[ETH_ALEN]);
 
-bool arp_table_search(Slirp *slirp, int in_ip_addr,
+bool arp_table_search(Slirp *slirp, uint32_t ip_addr,
                       uint8_t out_ethaddr[ETH_ALEN]);
 
 struct Slirp {