mirror of https://github.com/omar-polo/gmid.git
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/* $OpenBSD: a_time_tm.c,v 1.15 2018/04/25 11:48:21 tb Exp $ */
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/*
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* Copyright (c) 2015 Bob Beck <beck@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "config.h"
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#include <ctype.h>
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#include <limits.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#define GENTIME_LENGTH 15
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#define UTCTIME_LENGTH 13
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#define V_ASN1_UTCTIME 23
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#define V_ASN1_GENERALIZEDTIME 24
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#ifndef HAVE_ASN1_TIME_TM_CMP
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int
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ASN1_time_tm_cmp(struct tm *tm1, struct tm *tm2)
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{
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if (tm1->tm_year < tm2->tm_year)
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return (-1);
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if (tm1->tm_year > tm2->tm_year)
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return (1);
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if (tm1->tm_mon < tm2->tm_mon)
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return (-1);
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if (tm1->tm_mon > tm2->tm_mon)
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return (1);
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if (tm1->tm_mday < tm2->tm_mday)
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return (-1);
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if (tm1->tm_mday > tm2->tm_mday)
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return (1);
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if (tm1->tm_hour < tm2->tm_hour)
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return (-1);
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if (tm1->tm_hour > tm2->tm_hour)
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return (1);
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if (tm1->tm_min < tm2->tm_min)
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return (-1);
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if (tm1->tm_min > tm2->tm_min)
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return (1);
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if (tm1->tm_sec < tm2->tm_sec)
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return (-1);
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if (tm1->tm_sec > tm2->tm_sec)
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return (1);
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return 0;
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}
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#endif
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#ifndef HAVE_ASN1_TIME_TM_CLAMP_NOTAFTER
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int
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ASN1_time_tm_clamp_notafter(struct tm *tm)
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{
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#ifdef SMALL_TIME_T
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struct tm broken_os_epoch_tm;
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time_t broken_os_epoch_time = INT_MAX;
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if (gmtime_r(&broken_os_epoch_time, &broken_os_epoch_tm) == NULL)
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return 0;
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if (ASN1_time_tm_cmp(tm, &broken_os_epoch_tm) == 1)
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memcpy(tm, &broken_os_epoch_tm, sizeof(*tm));
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#endif
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return 1;
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}
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#endif
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