1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/other-licenses/android/ns_ttl.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,179 @@
1.4 +/* $NetBSD: ns_ttl.c,v 1.2 2004/05/20 20:35:05 christos Exp $ */
1.5 +
1.6 +/*
1.7 + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
1.8 + * Copyright (c) 1996,1999 by Internet Software Consortium.
1.9 + *
1.10 + * Permission to use, copy, modify, and distribute this software for any
1.11 + * purpose with or without fee is hereby granted, provided that the above
1.12 + * copyright notice and this permission notice appear in all copies.
1.13 + *
1.14 + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
1.15 + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.16 + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
1.17 + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
1.18 + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
1.19 + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
1.20 + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.21 + */
1.22 +
1.23 +/*
1.24 + * This version of this file is derived from Android 2.3 "Gingerbread",
1.25 + * which contains uncredited changes by Android/Google developers. It has
1.26 + * been modified in 2011 for use in the Android build of Mozilla Firefox by
1.27 + * Mozilla contributors (including Michael Edwards <m.k.edwards@gmail.com>,
1.28 + * and Steve Workman <sjhworkman@gmail.com>).
1.29 + * These changes are offered under the same license as the original NetBSD
1.30 + * file, whose copyright and license are unchanged above.
1.31 + */
1.32 +
1.33 +#define ANDROID_CHANGES 1
1.34 +#define MOZILLA_NECKO_EXCLUDE_CODE 1
1.35 +
1.36 +#include <sys/cdefs.h>
1.37 +#ifndef lint
1.38 +#ifdef notdef
1.39 +static const char rcsid[] = "Id: ns_ttl.c,v 1.1.206.1 2004/03/09 08:33:45 marka Exp";
1.40 +#else
1.41 +__RCSID("$NetBSD: ns_ttl.c,v 1.2 2004/05/20 20:35:05 christos Exp $");
1.42 +#endif
1.43 +#endif
1.44 +
1.45 +/* Import. */
1.46 +
1.47 +#include "arpa_nameser.h"
1.48 +
1.49 +#include <ctype.h>
1.50 +#include <errno.h>
1.51 +#include <stdio.h>
1.52 +#include <string.h>
1.53 +
1.54 +#ifdef SPRINTF_CHAR
1.55 +# define SPRINTF(x) strlen(sprintf/**/x)
1.56 +#else
1.57 +# define SPRINTF(x) ((size_t)sprintf x)
1.58 +#endif
1.59 +
1.60 +/* Forward. */
1.61 +
1.62 +static int fmt1(int t, char s, char **buf, size_t *buflen);
1.63 +
1.64 +/* Macros. */
1.65 +
1.66 +#define T(x) do { if ((x) < 0) return (-1); } while(0)
1.67 +
1.68 +/* Public. */
1.69 +
1.70 +int
1.71 +ns_format_ttl(u_long src, char *dst, size_t dstlen) {
1.72 + char *odst = dst;
1.73 + int secs, mins, hours, days, weeks, x;
1.74 + char *p;
1.75 +
1.76 + secs = src % 60; src /= 60;
1.77 + mins = src % 60; src /= 60;
1.78 + hours = src % 24; src /= 24;
1.79 + days = src % 7; src /= 7;
1.80 + weeks = src; src = 0;
1.81 +
1.82 + x = 0;
1.83 + if (weeks) {
1.84 + T(fmt1(weeks, 'W', &dst, &dstlen));
1.85 + x++;
1.86 + }
1.87 + if (days) {
1.88 + T(fmt1(days, 'D', &dst, &dstlen));
1.89 + x++;
1.90 + }
1.91 + if (hours) {
1.92 + T(fmt1(hours, 'H', &dst, &dstlen));
1.93 + x++;
1.94 + }
1.95 + if (mins) {
1.96 + T(fmt1(mins, 'M', &dst, &dstlen));
1.97 + x++;
1.98 + }
1.99 + if (secs || !(weeks || days || hours || mins)) {
1.100 + T(fmt1(secs, 'S', &dst, &dstlen));
1.101 + x++;
1.102 + }
1.103 +
1.104 + if (x > 1) {
1.105 + int ch;
1.106 +
1.107 + for (p = odst; (ch = *p) != '\0'; p++)
1.108 + if (isascii(ch) && isupper(ch))
1.109 + *p = tolower(ch);
1.110 + }
1.111 +
1.112 + return (dst - odst);
1.113 +}
1.114 +
1.115 +#ifndef MOZILLA_NECKO_EXCLUDE_CODE
1.116 +#ifndef _LIBC
1.117 +int
1.118 +ns_parse_ttl(const char *src, u_long *dst) {
1.119 + u_long ttl, tmp;
1.120 + int ch, digits, dirty;
1.121 +
1.122 + ttl = 0;
1.123 + tmp = 0;
1.124 + digits = 0;
1.125 + dirty = 0;
1.126 + while ((ch = *src++) != '\0') {
1.127 + if (!isascii(ch) || !isprint(ch))
1.128 + goto einval;
1.129 + if (isdigit(ch)) {
1.130 + tmp *= 10;
1.131 + tmp += (ch - '0');
1.132 + digits++;
1.133 + continue;
1.134 + }
1.135 + if (digits == 0)
1.136 + goto einval;
1.137 + if (islower(ch))
1.138 + ch = toupper(ch);
1.139 + switch (ch) {
1.140 + case 'W': tmp *= 7; /*FALLTHROUGH*/
1.141 + case 'D': tmp *= 24; /*FALLTHROUGH*/
1.142 + case 'H': tmp *= 60; /*FALLTHROUGH*/
1.143 + case 'M': tmp *= 60; /*FALLTHROUGH*/
1.144 + case 'S': break;
1.145 + default: goto einval;
1.146 + }
1.147 + ttl += tmp;
1.148 + tmp = 0;
1.149 + digits = 0;
1.150 + dirty = 1;
1.151 + }
1.152 + if (digits > 0) {
1.153 + if (dirty)
1.154 + goto einval;
1.155 + else
1.156 + ttl += tmp;
1.157 + }
1.158 + *dst = ttl;
1.159 + return (0);
1.160 +
1.161 + einval:
1.162 + errno = EINVAL;
1.163 + return (-1);
1.164 +}
1.165 +#endif
1.166 +#endif
1.167 +
1.168 +/* Private. */
1.169 +
1.170 +static int
1.171 +fmt1(int t, char s, char **buf, size_t *buflen) {
1.172 + char tmp[50];
1.173 + size_t len;
1.174 +
1.175 + len = SPRINTF((tmp, "%d%c", t, s));
1.176 + if (len + 1 > *buflen)
1.177 + return (-1);
1.178 + strcpy(*buf, tmp);
1.179 + *buf += len;
1.180 + *buflen -= len;
1.181 + return (0);
1.182 +}
