diff options
Diffstat (limited to 'REORG.TODO/inet/inet_mkadr.c')
| -rw-r--r-- | REORG.TODO/inet/inet_mkadr.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/REORG.TODO/inet/inet_mkadr.c b/REORG.TODO/inet/inet_mkadr.c new file mode 100644 index 0000000000..88faef74cf --- /dev/null +++ b/REORG.TODO/inet/inet_mkadr.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 1983, 1993 + * The 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. + * 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. + */ + +#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 (in_addr_t net, in_addr_t host) +{ + struct in_addr in; + + if (net < 128) + in.s_addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST); + else if (net < 65536) + in.s_addr = (net << IN_CLASSB_NSHIFT) | (host & IN_CLASSB_HOST); + else if (net < 16777216L) + in.s_addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST); + else + in.s_addr = net | host; + in.s_addr = htonl(in.s_addr); + return in; +} +libc_hidden_def (__inet_makeaddr) +weak_alias (__inet_makeaddr, inet_makeaddr) |