diff options
Diffstat (limited to 'contrib/bind9/lib/dns/time.c')
| -rw-r--r-- | contrib/bind9/lib/dns/time.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/contrib/bind9/lib/dns/time.c b/contrib/bind9/lib/dns/time.c deleted file mode 100644 index b4e7bee..0000000 --- a/contrib/bind9/lib/dns/time.c +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 1998-2003 Internet Software Consortium. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -/* $Id: time.c,v 1.26.18.3 2005/04/29 00:16:06 marka Exp $ */ - -/*! \file */ - -#include <config.h> - -#include <stdio.h> -#include <isc/string.h> /* Required for HP/UX (and others?) */ -#include <time.h> - -#include <isc/print.h> -#include <isc/region.h> -#include <isc/stdtime.h> -#include <isc/util.h> - -#include <dns/result.h> -#include <dns/time.h> - -static int days[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; - -isc_result_t -dns_time64_totext(isc_int64_t t, isc_buffer_t *target) { - struct tm tm; - char buf[sizeof("YYYYMMDDHHMMSS")]; - int secs; - unsigned int l; - isc_region_t region; - - REQUIRE(t >= 0); - -#define is_leap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) -#define year_secs(y) ((is_leap(y) ? 366 : 365 ) * 86400) -#define month_secs(m,y) ((days[m] + ((m == 1 && is_leap(y)) ? 1 : 0 )) * 86400) - - tm.tm_year = 70; - while ((secs = year_secs(tm.tm_year + 1900)) <= t) { - t -= secs; - tm.tm_year++; - if (tm.tm_year + 1900 > 9999) - return (ISC_R_RANGE); - } - tm.tm_mon = 0; - while ((secs = month_secs(tm.tm_mon, tm.tm_year + 1900)) <= t) { - t -= secs; - tm.tm_mon++; - } - tm.tm_mday = 1; - while (86400 <= t) { - t -= 86400; - tm.tm_mday++; - } - tm.tm_hour = 0; - while (3600 <= t) { - t -= 3600; - tm.tm_hour++; - } - tm.tm_min = 0; - while (60 <= t) { - t -= 60; - tm.tm_min++; - } - tm.tm_sec = (int)t; - /* yyyy mm dd HH MM SS */ - snprintf(buf, sizeof(buf), "%04d%02d%02d%02d%02d%02d", - tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, - tm.tm_hour, tm.tm_min, tm.tm_sec); - - isc_buffer_availableregion(target, ®ion); - l = strlen(buf); - - if (l > region.length) - return (ISC_R_NOSPACE); - - memcpy(region.base, buf, l); - isc_buffer_add(target, l); - return (ISC_R_SUCCESS); -} - -isc_result_t -dns_time32_totext(isc_uint32_t value, isc_buffer_t *target) { - isc_stdtime_t now; - isc_int64_t start; - isc_int64_t base; - isc_int64_t t; - - /* - * Adjust the time to the closest epoch. This should be changed - * to use a 64-bit counterpart to isc_stdtime_get() if one ever - * is defined, but even the current code is good until the year - * 2106. - */ - isc_stdtime_get(&now); - start = (isc_int64_t) now; - start -= 0x7fffffff; - base = 0; - while ((t = (base + value)) < start) { - base += 0x80000000; - base += 0x80000000; - } - return (dns_time64_totext(t, target)); -} - -isc_result_t -dns_time64_fromtext(const char *source, isc_int64_t *target) { - int year, month, day, hour, minute, second; - isc_int64_t value; - int secs; - int i; - -#define RANGE(min, max, value) \ - do { \ - if (value < (min) || value > (max)) \ - return (ISC_R_RANGE); \ - } while (0) - - if (strlen(source) != 14U) - return (DNS_R_SYNTAX); - if (sscanf(source, "%4d%2d%2d%2d%2d%2d", - &year, &month, &day, &hour, &minute, &second) != 6) - return (DNS_R_SYNTAX); - - RANGE(1970, 9999, year); - RANGE(1, 12, month); - RANGE(1, days[month - 1] + - ((month == 2 && is_leap(year)) ? 1 : 0), day); - RANGE(0, 23, hour); - RANGE(0, 59, minute); - RANGE(0, 60, second); /* 60 == leap second. */ - - /* - * Calulate seconds since epoch. - */ - value = second + (60 * minute) + (3600 * hour) + ((day - 1) * 86400); - for (i = 0; i < (month - 1); i++) - value += days[i] * 86400; - if (is_leap(year) && month > 2) - value += 86400; - for (i = 1970; i < year; i++) { - secs = (is_leap(i) ? 366 : 365) * 86400; - value += secs; - } - - *target = value; - return (ISC_R_SUCCESS); -} - -isc_result_t -dns_time32_fromtext(const char *source, isc_uint32_t *target) { - isc_int64_t value64; - isc_result_t result; - result = dns_time64_fromtext(source, &value64); - if (result != ISC_R_SUCCESS) - return (result); - *target = (isc_uint32_t)value64; - - return (ISC_R_SUCCESS); -} |
