Add source.

1 files changed, 62 insertions, 0 deletions

diff --git a/sdk/net/sockname.c b/sdk/net/sockname.c
new file mode 100644
index 0000000..a8e9aad
--- /dev/null
+++ b/sdk/net/sockname.c
@@ -0,0 +1,62 @@
+/*
+ * Portable socket and peer name services.
+ * $Id$
+ * Copyright (c) 1997 by Tycho Softworks.
+ * For conditions of distribution and reuse see product license.
+ */
+
+#include <net/socket.h>
+
+char	*homename(SOCKET so)
+{
+	struct	hostent	*hp;
+	struct	sockaddr_in	sin;
+	int		len = sizeof(sin);
+
+	if(getsockname(so, (struct sockaddr *)&sin, &len) < 0)
+		return NULL;
+
+	hp = gethostbyaddr((char *)&sin.sin_addr, sizeof(struct in_addr), AF_INET);
+	if(hp)
+		return (char *)hp->h_name;
+	else
+		return inet_ntoa(sin.sin_addr);
+}
+
+char	*homeaddr(SOCKET so)
+{
+	struct	sockaddr_in	sin;
+	int		len = sizeof(sin);
+
+	if(getsockname(so, (struct sockaddr *)&sin, &len) < 0)
+		return NULL;
+
+	return inet_ntoa(sin.sin_addr);
+}
+
+char	*peername(SOCKET so)
+{
+	struct	hostent	*hp;
+	struct	sockaddr_in	sin;
+	int	len = sizeof(sin);
+
+	if(getpeername(so, (struct sockaddr *)&sin, &len) < 0)
+		return NULL;
+
+	hp = gethostbyaddr((char *)&sin.sin_addr, sizeof(struct in_addr), AF_INET);
+	if(hp)
+		return (char *)hp->h_name;
+	else
+		return inet_ntoa(sin.sin_addr);
+}
+
+char	*peeraddr(SOCKET so)
+{
+	struct	sockaddr_in	sin;
+	int	len = sizeof(sin);
+
+	if(getpeername(so, (struct sockaddr *)&sin, &len) < 0)
+		return NULL;
+
+	return inet_ntoa(sin.sin_addr);
+}