2 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (c) 1996-1999 by Internet Software Consortium.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
15 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #if defined(LIBC_SCCS) && !defined(lint)
19 static const char rcsid[] = "$Id: nsap_addr.c,v 1.5 2005/07/28 06:51:48 marka Exp $";
20 #endif /* LIBC_SCCS and not lint */
21 #include <sys/cdefs.h>
22 __FBSDID("$FreeBSD$");
24 #include "port_before.h"
26 #include <sys/param.h>
27 #include <sys/socket.h>
29 #include <netinet/in.h>
30 #include <arpa/inet.h>
31 #include <arpa/nameser.h>
35 #include <resolv_mt.h>
37 #include "port_after.h"
41 return (c - (((c >= '0') && (c <= '9')) ? '0' : '7'));
45 inet_nsap_addr(const char *ascii, u_char *binary, int maxlen) {
49 if (ascii[0] != '0' || (ascii[1] != 'x' && ascii[1] != 'X'))
53 while ((c = *ascii++) != '\0' && len < (u_int)maxlen) {
54 if (c == '.' || c == '+' || c == '/')
66 *binary++ = (nib << 4) | xtob(c);
81 inet_nsap_ntoa(int binlen, const u_char *binary, char *ascii) {
84 char *tmpbuf = inet_nsap_ntoa_tmpbuf;
100 for (i = 0; i < binlen; i++) {
102 *ascii++ = nib + (nib < 10 ? '0' : '7');
103 nib = *binary++ & 0x0f;
104 *ascii++ = nib + (nib < 10 ? '0' : '7');
105 if (((i % 2) == 0 && (i + 1) < binlen))
113 * Weak aliases for applications that use certain private entry points,
114 * and fail to include <arpa/inet.h>.
116 #undef inet_nsap_addr
117 __weak_reference(__inet_nsap_addr, inet_nsap_addr);
118 #undef inet_nsap_ntoa
119 __weak_reference(__inet_nsap_ntoa, inet_nsap_ntoa);