Revert "anet.c: Allow creation of TCP listening sockets bound to N addresses."

Bind() can't be called multiple times against the same socket, multiple
sockets are required to bind multiple interfaces, silly me.

This reverts commit bd234d62.

src/anet.c

@@ -331,9 +331,9 @@ static int anetListen(char *err, int s, struct sockaddr *sa, socklen_t len) {
     return ANET_OK;
 }
 
-int anetTcpServer(char *err, int port, char **bindaddr, int bindaddr_count)
+int anetTcpServer(char *err, int port, char *bindaddr)
 {
-    int s, j;
+    int s;
     struct sockaddr_in sa;
 
     if ((s = anetCreateSocket(err,AF_INET)) == ANET_ERR)
@@ -343,20 +343,13 @@ int anetTcpServer(char *err, int port, char **bindaddr, int bindaddr_count)
     sa.sin_family = AF_INET;
     sa.sin_port = htons(port);
     sa.sin_addr.s_addr = htonl(INADDR_ANY);
-    if (bindaddr_count) {
-        for (j = 0; j < bindaddr_count; j++) {
-            if (inet_aton(bindaddr[j], &sa.sin_addr) == 0) {
-                anetSetError(err, "invalid bind address");
-                close(s);
-                return ANET_ERR;
-            }
-            if (anetListen(err,s,(struct sockaddr*)&sa,sizeof(sa)) == ANET_ERR)
-                return ANET_ERR;
-        }
-    } else {
-        if (anetListen(err,s,(struct sockaddr*)&sa,sizeof(sa)) == ANET_ERR)
-            return ANET_ERR;
+    if (bindaddr && inet_aton(bindaddr, &sa.sin_addr) == 0) {
+        anetSetError(err, "invalid bind address");
+        close(s);
+        return ANET_ERR;
     }
+    if (anetListen(err,s,(struct sockaddr*)&sa,sizeof(sa)) == ANET_ERR)
+        return ANET_ERR;
     return s;
 }
 

src/anet.h

@@ -45,7 +45,7 @@ int anetUnixConnect(char *err, char *path);
 int anetUnixNonBlockConnect(char *err, char *path);
 int anetRead(int fd, char *buf, int count);
 int anetResolve(char *err, char *host, char *ipbuf);
-int anetTcpServer(char *err, int port, char **bindaddr, int bindaddr_count);
+int anetTcpServer(char *err, int port, char *bindaddr);
 int anetUnixServer(char *err, char *path, mode_t perm);
 int anetTcpAccept(char *err, int serversock, char *ip, int *port);
 int anetUnixAccept(char *err, int serversock);