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- /*
- * Copyright (c) 1983 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that this notice is preserved and that due credit is given
- * to the University of California at Berkeley. The name of the University
- * may not be used to endorse or promote products derived from this
- * software without specific prior written permission. This software
- * is provided ``as is'' without express or implied warranty.
- */
-
- #if defined(LIBC_SCCS) && !defined(lint)
- static char sccsid[] = "@(#)inet_makeaddr.c 5.2 (Berkeley) 3/7/88";
- #endif /* LIBC_SCCS and not lint */
-
- #include <sys/types.h>
- #include <netinet/in.h>
-
- /*
- * Formulate an Internet address from network + host. Used in
- * building addresses stored in the ifnet structure.
- */
- struct in_addr
- inet_makeaddr(net, host)
- int net, host;
- {
- u_long addr;
-
- if (net < 128)
- addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST);
- else if (net < 65536)
- addr = (net << IN_CLASSB_NSHIFT) | (host & IN_CLASSB_HOST);
- else
- addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST);
- addr = htonl(addr);
- return (*(struct in_addr *)&addr);
- }
-