diff options
Diffstat (limited to 'contrib/bind9/lib/bind/nameser/ns_date.c')
| -rw-r--r-- | contrib/bind9/lib/bind/nameser/ns_date.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/contrib/bind9/lib/bind/nameser/ns_date.c b/contrib/bind9/lib/bind/nameser/ns_date.c deleted file mode 100644 index af1455c..0000000 --- a/contrib/bind9/lib/bind/nameser/ns_date.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") - * Copyright (c) 1999 by 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. - */ - -#ifndef lint -static const char rcsid[] = "$Id: ns_date.c,v 1.5.18.1 2005/04/27 05:01:08 sra Exp $"; -#endif - -/* Import. */ - -#include "port_before.h" - -#include <arpa/nameser.h> - -#include <ctype.h> -#include <errno.h> -#include <stdio.h> -#include <string.h> -#include <time.h> - -#include "port_after.h" - -#ifdef SPRINTF_CHAR -# define SPRINTF(x) strlen(sprintf/**/x) -#else -# define SPRINTF(x) ((size_t)sprintf x) -#endif - -/* Forward. */ - -static int datepart(const char *, int, int, int, int *); - -/* Public. */ - -/*% - * Convert a date in ASCII into the number of seconds since - * 1 January 1970 (GMT assumed). Format is yyyymmddhhmmss, all - * digits required, no spaces allowed. - */ - -u_int32_t -ns_datetosecs(const char *cp, int *errp) { - struct tm time; - u_int32_t result; - int mdays, i; - static const int days_per_month[12] = - {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; - - if (strlen(cp) != 14U) { - *errp = 1; - return (0); - } - *errp = 0; - - memset(&time, 0, sizeof time); - time.tm_year = datepart(cp + 0, 4, 1990, 9999, errp) - 1900; - time.tm_mon = datepart(cp + 4, 2, 01, 12, errp) - 1; - time.tm_mday = datepart(cp + 6, 2, 01, 31, errp); - time.tm_hour = datepart(cp + 8, 2, 00, 23, errp); - time.tm_min = datepart(cp + 10, 2, 00, 59, errp); - time.tm_sec = datepart(cp + 12, 2, 00, 59, errp); - if (*errp) /*%< Any parse errors? */ - return (0); - - /* - * OK, now because timegm() is not available in all environments, - * we will do it by hand. Roll up sleeves, curse the gods, begin! - */ - -#define SECS_PER_DAY ((u_int32_t)24*60*60) -#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) - - result = time.tm_sec; /*%< Seconds */ - result += time.tm_min * 60; /*%< Minutes */ - result += time.tm_hour * (60*60); /*%< Hours */ - result += (time.tm_mday - 1) * SECS_PER_DAY; /*%< Days */ - /* Months are trickier. Look without leaping, then leap */ - mdays = 0; - for (i = 0; i < time.tm_mon; i++) - mdays += days_per_month[i]; - result += mdays * SECS_PER_DAY; /*%< Months */ - if (time.tm_mon > 1 && isleap(1900+time.tm_year)) - result += SECS_PER_DAY; /*%< Add leapday for this year */ - /* First figure years without leapdays, then add them in. */ - /* The loop is slow, FIXME, but simple and accurate. */ - result += (time.tm_year - 70) * (SECS_PER_DAY*365); /*%< Years */ - for (i = 70; i < time.tm_year; i++) - if (isleap(1900+i)) - result += SECS_PER_DAY; /*%< Add leapday for prev year */ - return (result); -} - -/* Private. */ - -/*% - * Parse part of a date. Set error flag if any error. - * Don't reset the flag if there is no error. - */ -static int -datepart(const char *buf, int size, int min, int max, int *errp) { - int result = 0; - int i; - - for (i = 0; i < size; i++) { - if (!isdigit((unsigned char)(buf[i]))) - *errp = 1; - result = (result * 10) + buf[i] - '0'; - } - if (result < min) - *errp = 1; - if (result > max) - *errp = 1; - return (result); -} - -/*! \file */ |
