Commit | Line | Data |
---|---|---|
920dae64 AT |
1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: inet.fth | |
4 | \ | |
5 | \ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
6 | \ | |
7 | \ - Do no alter or remove copyright notices | |
8 | \ | |
9 | \ - Redistribution and use of this software in source and binary forms, with | |
10 | \ or without modification, are permitted provided that the following | |
11 | \ conditions are met: | |
12 | \ | |
13 | \ - Redistribution of source code must retain the above copyright notice, | |
14 | \ this list of conditions and the following disclaimer. | |
15 | \ | |
16 | \ - Redistribution in binary form must reproduce the above copyright notice, | |
17 | \ this list of conditions and the following disclaimer in the | |
18 | \ documentation and/or other materials provided with the distribution. | |
19 | \ | |
20 | \ Neither the name of Sun Microsystems, Inc. or the names of contributors | |
21 | \ may be used to endorse or promote products derived from this software | |
22 | \ without specific prior written permission. | |
23 | \ | |
24 | \ This software is provided "AS IS," without a warranty of any kind. | |
25 | \ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, | |
26 | \ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A | |
27 | \ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN | |
28 | \ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR | |
29 | \ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR | |
30 | \ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN | |
31 | \ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR | |
32 | \ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE | |
33 | \ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, | |
34 | \ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF | |
35 | \ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
36 | \ | |
37 | \ You acknowledge that this software is not designed, licensed or | |
38 | \ intended for use in the design, construction, operation or maintenance of | |
39 | \ any nuclear facility. | |
40 | \ | |
41 | \ ========== Copyright Header End ============================================ | |
42 | id: @(#)inet.fth 1.1 04/09/07 | |
43 | purpose: IPV4 address manipulation functions | |
44 | copyright: Copyright 2004 Sun Microsystems, Inc. All Rights Reserved | |
45 | copyright: Use is subject to license terms. | |
46 | ||
47 | headerless | |
48 | ||
49 | : decimal-byte? ( adr,len -- byte true | false ) | |
50 | $dnumber 0= dup if | |
51 | over 0 d# 255 between 0= if 2drop false then | |
52 | then | |
53 | ; | |
54 | ||
55 | \ Interpret IPV4 dotted-decimal string and return IP address as a number. | |
56 | : inet-addr ( ip$ -- ip# false | true ) | |
57 | 0 /ip-addr 0 do ( $ n ) | |
58 | >r ( $ ) ( r: n ) | |
59 | ascii . left-parse-string decimal-byte? 0= if ( $' ) | |
60 | 2drop r> drop true unloop exit | |
61 | then ( $' byte ) | |
62 | r> d# 8 lshift or ( $' n' ) ( r: ) | |
63 | loop ( $' n' ) | |
64 | over if 3drop true else nip nip false then ( ip# false | true ) | |
65 | ; | |
66 | ||
67 | \ Convert network byte ordered IPV4 address to its string representation, | |
68 | \ returning a pointer to the dotted-decimal string. | |
69 | : inet-ntoa ( ipaddr -- str len ) | |
70 | base @ >r decimal | |
71 | <# 1 /ip-addr 1- do dup i ca+ c@ u#s ascii . hold drop -1 +loop c@ u#s u#> | |
72 | r> base ! | |
73 | ; | |
74 | ||
75 | \ Convert IPV4 dotted-decimal string to its numeric form. The 'adr' | |
76 | \ argument points to a buffer where the numeric address is stored. | |
77 | \ Return true on successful conversion; false otherwise. | |
78 | : inet-aton ( ip$ adr -- ok? ) | |
79 | /ip-addr bounds do | |
80 | ascii . left-parse-string decimal-byte? 0= if | |
81 | 2drop false unloop exit | |
82 | then i c! | |
83 | loop 0= nip | |
84 | ; | |
85 | ||
86 | headers |