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- /*
- * Copyright (c) 1989 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[] = "@(#)iso_addr.c 5.4 (Berkeley) 2/24/91";
- #endif /* LIBC_SCCS and not lint */
-
- #include <sys/types.h>
- #include <netiso/iso.h>
- #include <string.h>
-
- /* States*/
- #define VIRGIN 0
- #define GOTONE 1
- #define GOTTWO 2
- /* Inputs */
- #define DIGIT (4*0)
- #define END (4*1)
- #define DELIM (4*2)
-
- struct iso_addr *
- iso_addr(addr)
- register const char *addr;
- {
- static struct iso_addr out_addr;
- register char *cp = out_addr.isoa_genaddr;
- char *cplim = cp + sizeof(out_addr.isoa_genaddr);
- register int byte = 0, state = VIRGIN, new;
-
- bzero((char *)&out_addr, sizeof(out_addr));
- do {
- if ((*addr >= '0') && (*addr <= '9')) {
- new = *addr - '0';
- } else if ((*addr >= 'a') && (*addr <= 'f')) {
- new = *addr - 'a' + 10;
- } else if ((*addr >= 'A') && (*addr <= 'F')) {
- new = *addr - 'A' + 10;
- } else if (*addr == 0)
- state |= END;
- else
- state |= DELIM;
- addr++;
- switch (state /* | INPUT */) {
- case GOTTWO | DIGIT:
- *cp++ = byte; /*FALLTHROUGH*/
- case VIRGIN | DIGIT:
- state = GOTONE; byte = new; continue;
- case GOTONE | DIGIT:
- state = GOTTWO; byte = new + (byte << 4); continue;
- default: /* | DELIM */
- state = VIRGIN; *cp++ = byte; byte = 0; continue;
- case GOTONE | END:
- case GOTTWO | END:
- *cp++ = byte; /* FALLTHROUGH */
- case VIRGIN | END:
- break;
- }
- break;
- } while (cp < cplim);
- out_addr.isoa_len = cp - out_addr.isoa_genaddr;
- return (&out_addr);
- }
- static char hexlist[] = "0123456789abcdef";
-
- char *
- iso_ntoa(isoa)
- const struct iso_addr *isoa;
- {
- static char obuf[64];
- register char *out = obuf;
- register int i;
- register u_char *in = (u_char *)isoa->isoa_genaddr;
- u_char *inlim = in + isoa->isoa_len;
-
- out[1] = 0;
- while (in < inlim) {
- i = *in++;
- *out++ = '.';
- if (i > 0xf) {
- out[1] = hexlist[i & 0xf];
- i >>= 4;
- out[0] = hexlist[i];
- out += 2;
- } else
- *out++ = hexlist[i];
- }
- *out = 0;
- return(obuf + 1);
- }
-