Initial revision

2005-04-21 14:53:53 +00:00
commit 9865aeaa79
2264 changed files with 411685 additions and 0 deletions
@@ -0,0 +1,56 @@
+
+/* bsd-socket(2)-lookalike */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <net/gen/socket.h>
+#include <net/gen/emu.h>
+#include <net/gen/tcp.h>
+#include <net/gen/in.h>
+#include <net/gen/tcp_hdr.h>
+#include <net/gen/tcp_io.h>
+
+int
+socket(int domain, int type, int protocol)
+{
+	int s;
+	char *tcpname;
+
+	/* only domain is AF_INET */
+	if(domain != AF_INET) {
+		errno = EAFNOSUPPORT;
+		return -1;
+	}
+
+	/* only type is SOCK_STREAM */
+	if(type != SOCK_STREAM) {
+		errno = EPROTONOSUPPORT;
+		return -1;
+	}
+
+	/* default protocol type is TCP */
+	if(!protocol)
+		protocol = IPPROTO_TCP;
+
+	/* only protocol type is TCP */
+	if(protocol != IPPROTO_TCP) {
+		errno = EPROTONOSUPPORT;
+		return -1;
+	}
+
+	/* tcp device name */
+	if(!tcpname)
+		tcpname = getenv("TCP_DEVICE");
+	if(!tcpname || !*tcpname)
+		tcpname = "/dev/tcp";
+
+	if((s = open(tcpname, O_RDWR)) < 0) {
+		perror(tcpname);
+		return -1;
+	}
+
+	return s;
+}
+