new get_in_addr

src/net.c

@@ -17,16 +17,19 @@
 #include "net.h"
 
 
-// kleiner helfer
-// auch von bejee geguttenbergt
-//
-void *get_in_addr(struct sockaddr *sa)
-{
-	if (sa->sa_family == AF_INET) {
+// little helper
+static void *get_in_addr(struct sockaddr *sa) {
+	switch (sa->sa_family) {
+		case AF_INET:
 			return &(((struct sockaddr_in*)sa)->sin_addr);
-	}
-
+			break;
+		case AF_INET6:
 			return &(((struct sockaddr_in6*)sa)->sin6_addr);
+			break;
+		case AF_UNSPEC:
+		default:
+			return NULL;
+	}
 }
 
 

src/net.h

@@ -6,7 +6,6 @@
 #include "msg.h"		// message serialization
 #include "display.h"	// callback
 
-void *get_in_addr(struct sockaddr *sa);
 int run_server(const struct prog_info *pinfo, char *img, int w, int h);
 int run_client(const struct prog_info *pinfo,void(*framecallback)(const struct message *, const struct prog_info *));