2 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (c) 2001 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 #include <port_before.h>
23 #include <port_after.h>
25 static const char hex[17] = "0123456789abcdef";
28 isc_gethexstring(unsigned char *buf, size_t len, int count, FILE *fp,
36 x = 0; /*%< silence compiler */
42 (c == '\n' && !*multiline) ||
43 (c == '(' && *multiline) ||
44 (c == ')' && !*multiline))
50 } while (c != EOF && c != '\n');
51 if (c == '\n' && *multiline)
56 if (c == ' ' || c == '\t' || c == '\n' || c == '\r')
59 if ('(' == c || c == ')') {
60 *multiline = (c == '(' /*)*/);
63 if ((s = strchr(hex, tolower(c))) == NULL)
65 x = (x<<4) | (s - hex);
85 isc_puthexstring(FILE *fp, const unsigned char *buf, size_t buflen,
86 size_t len1, size_t len2, const char *sep)
95 fputc(hex[(buf[0]>>4)&0xf], fp);
96 fputc(hex[buf[0]&0xf], fp);
100 if (i >= len1 && sep != NULL) {
109 isc_tohex(const unsigned char *buf, size_t buflen, char *t) {
110 while (buflen > 0U) {
111 *t++ = hex[(buf[0]>>4)&0xf];
112 *t++ = hex[buf[0]&0xf];