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