The Tor Browser / file comparison
comparison: other-licenses/android/ns_ttl.c
other-licenses/android/ns_ttl.c
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
equal
deleted
inserted
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| -1:000000000000 | 0:efedd7e55871 |
|---|---|
| 1 /* $NetBSD: ns_ttl.c,v 1.2 2004/05/20 20:35:05 christos Exp $ */ | |
| 2 | |
| 3 /* | |
| 4 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") | |
| 5 * Copyright (c) 1996,1999 by Internet Software Consortium. | |
| 6 * | |
| 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. | |
| 10 * | |
| 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. | |
| 18 */ | |
| 19 | |
| 20 /* | |
| 21 * This version of this file is derived from Android 2.3 "Gingerbread", | |
| 22 * which contains uncredited changes by Android/Google developers. It has | |
| 23 * been modified in 2011 for use in the Android build of Mozilla Firefox by | |
| 24 * Mozilla contributors (including Michael Edwards <m.k.edwards@gmail.com>, | |
| 25 * and Steve Workman <sjhworkman@gmail.com>). | |
| 26 * These changes are offered under the same license as the original NetBSD | |
| 27 * file, whose copyright and license are unchanged above. | |
| 28 */ | |
| 29 | |
| 30 #define ANDROID_CHANGES 1 | |
| 31 #define MOZILLA_NECKO_EXCLUDE_CODE 1 | |
| 32 | |
| 33 #include <sys/cdefs.h> | |
| 34 #ifndef lint | |
| 35 #ifdef notdef | |
| 36 static const char rcsid[] = "Id: ns_ttl.c,v 1.1.206.1 2004/03/09 08:33:45 marka Exp"; | |
| 37 #else | |
| 38 __RCSID("$NetBSD: ns_ttl.c,v 1.2 2004/05/20 20:35:05 christos Exp $"); | |
| 39 #endif | |
| 40 #endif | |
| 41 | |
| 42 /* Import. */ | |
| 43 | |
| 44 #include "arpa_nameser.h" | |
| 45 | |
| 46 #include <ctype.h> | |
| 47 #include <errno.h> | |
| 48 #include <stdio.h> | |
| 49 #include <string.h> | |
| 50 | |
| 51 #ifdef SPRINTF_CHAR | |
| 52 # define SPRINTF(x) strlen(sprintf/**/x) | |
| 53 #else | |
| 54 # define SPRINTF(x) ((size_t)sprintf x) | |
| 55 #endif | |
| 56 | |
| 57 /* Forward. */ | |
| 58 | |
| 59 static int fmt1(int t, char s, char **buf, size_t *buflen); | |
| 60 | |
| 61 /* Macros. */ | |
| 62 | |
| 63 #define T(x) do { if ((x) < 0) return (-1); } while(0) | |
| 64 | |
| 65 /* Public. */ | |
| 66 | |
| 67 int | |
| 68 ns_format_ttl(u_long src, char *dst, size_t dstlen) { | |
| 69 char *odst = dst; | |
| 70 int secs, mins, hours, days, weeks, x; | |
| 71 char *p; | |
| 72 | |
| 73 secs = src % 60; src /= 60; | |
| 74 mins = src % 60; src /= 60; | |
| 75 hours = src % 24; src /= 24; | |
| 76 days = src % 7; src /= 7; | |
| 77 weeks = src; src = 0; | |
| 78 | |
| 79 x = 0; | |
| 80 if (weeks) { | |
| 81 T(fmt1(weeks, 'W', &dst, &dstlen)); | |
| 82 x++; | |
| 83 } | |
| 84 if (days) { | |
| 85 T(fmt1(days, 'D', &dst, &dstlen)); | |
| 86 x++; | |
| 87 } | |
| 88 if (hours) { | |
| 89 T(fmt1(hours, 'H', &dst, &dstlen)); | |
| 90 x++; | |
| 91 } | |
| 92 if (mins) { | |
| 93 T(fmt1(mins, 'M', &dst, &dstlen)); | |
| 94 x++; | |
| 95 } | |
| 96 if (secs || !(weeks || days || hours || mins)) { | |
| 97 T(fmt1(secs, 'S', &dst, &dstlen)); | |
| 98 x++; | |
| 99 } | |
| 100 | |
| 101 if (x > 1) { | |
| 102 int ch; | |
| 103 | |
| 104 for (p = odst; (ch = *p) != '\0'; p++) | |
| 105 if (isascii(ch) && isupper(ch)) | |
| 106 *p = tolower(ch); | |
| 107 } | |
| 108 | |
| 109 return (dst - odst); | |
| 110 } | |
| 111 | |
| 112 #ifndef MOZILLA_NECKO_EXCLUDE_CODE | |
| 113 #ifndef _LIBC | |
| 114 int | |
| 115 ns_parse_ttl(const char *src, u_long *dst) { | |
| 116 u_long ttl, tmp; | |
| 117 int ch, digits, dirty; | |
| 118 | |
| 119 ttl = 0; | |
| 120 tmp = 0; | |
| 121 digits = 0; | |
| 122 dirty = 0; | |
| 123 while ((ch = *src++) != '\0') { | |
| 124 if (!isascii(ch) || !isprint(ch)) | |
| 125 goto einval; | |
| 126 if (isdigit(ch)) { | |
| 127 tmp *= 10; | |
| 128 tmp += (ch - '0'); | |
| 129 digits++; | |
| 130 continue; | |
| 131 } | |
| 132 if (digits == 0) | |
| 133 goto einval; | |
| 134 if (islower(ch)) | |
| 135 ch = toupper(ch); | |
| 136 switch (ch) { | |
| 137 case 'W': tmp *= 7; /*FALLTHROUGH*/ | |
| 138 case 'D': tmp *= 24; /*FALLTHROUGH*/ | |
| 139 case 'H': tmp *= 60; /*FALLTHROUGH*/ | |
| 140 case 'M': tmp *= 60; /*FALLTHROUGH*/ | |
| 141 case 'S': break; | |
| 142 default: goto einval; | |
| 143 } | |
| 144 ttl += tmp; | |
| 145 tmp = 0; | |
| 146 digits = 0; | |
| 147 dirty = 1; | |
| 148 } | |
| 149 if (digits > 0) { | |
| 150 if (dirty) | |
| 151 goto einval; | |
| 152 else | |
| 153 ttl += tmp; | |
| 154 } | |
| 155 *dst = ttl; | |
| 156 return (0); | |
| 157 | |
| 158 einval: | |
| 159 errno = EINVAL; | |
| 160 return (-1); | |
| 161 } | |
| 162 #endif | |
| 163 #endif | |
| 164 | |
| 165 /* Private. */ | |
| 166 | |
| 167 static int | |
| 168 fmt1(int t, char s, char **buf, size_t *buflen) { | |
| 169 char tmp[50]; | |
| 170 size_t len; | |
| 171 | |
| 172 len = SPRINTF((tmp, "%d%c", t, s)); | |
| 173 if (len + 1 > *buflen) | |
| 174 return (-1); | |
| 175 strcpy(*buf, tmp); | |
| 176 *buf += len; | |
| 177 *buflen -= len; | |
| 178 return (0); | |
| 179 } |
