initial commit, resurrect one of my realy old projects

1 files changed, 35 insertions, 0 deletions

diff --git a/socket_conn.c b/socket_conn.c
new file mode 100644
index 0000000..0d3b7f9
--- /dev/null
+++ b/socket_conn.c
@@ -0,0 +1,35 @@
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include "socket.h"
+#include "uint16.h"
+
+
+int socket_connect4(int s,const char ip[4],u16 port)
+{
+	struct sockaddr_in sa;
+	
+	memset(&sa,0,sizeof sa);
+	sa.sin_family = AF_INET;
+	u16_pack_big((char *) &sa.sin_port,port);
+	memcpy((char *) &sa.sin_addr,ip,4);
+	
+	return connect(s,(struct sockaddr *) &sa,sizeof sa);
+}
+
+int socket_connected(int s)
+{
+	struct sockaddr_in sa;
+	socklen_t dummy;
+	char ch;
+    int r;
+
+	dummy = sizeof sa;
+	if (getpeername(s,(struct sockaddr *) &sa,&dummy) == -1) {
+		r = read(s,&ch,1); /* sets errno */
+		return 0;
+	}
+	return 1;
+}