diff options
Diffstat (limited to 'mit-pthreads/net/inet_makeaddr.c')
| -rw-r--r-- | mit-pthreads/net/inet_makeaddr.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/mit-pthreads/net/inet_makeaddr.c b/mit-pthreads/net/inet_makeaddr.c new file mode 100644 index 00000000000..a4995e2b4c4 --- /dev/null +++ b/mit-pthreads/net/inet_makeaddr.c @@ -0,0 +1,64 @@ +/* + * Copyright (c) 1983 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)inet_makeaddr.c 5.6 (Berkeley) 2/24/91";*/ +static char *rcsid = "$Id$"; +#endif /* LIBC_SCCS and not lint */ + +#include <pthread.h> +#include <sys/param.h> +#include <netinet/in.h> +#include <arpa/inet.h> + +/* + * Formulate an Internet address from network + host. Used in + * building addresses stored in the ifnet structure. + */ +struct in_addr +inet_makeaddr(net, host) + pthread_ipaddr_type net, host; +{ + pthread_ipaddr_type 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 if (net < 16777216L) + addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST); + else + addr = net | host; + addr = htonl(addr); + return (*(struct in_addr *)&addr); +} |