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1ddf5b846f
* common/gettime.c (rfctimestamp): New. -- It is surprisingly hard to create an RFC-2822 compliant Date value. The problem is that strftime uses the current locale but the RFC requires that the English names are used. This code is pretty simply and avoid the extra problem of figuring out the correct timezone; instead UTC is used. For the planned use case this is anyway better. Signed-off-by: Werner Koch <wk@gnupg.org>
71 lines
2.7 KiB
C
71 lines
2.7 KiB
C
/* gettime.h - Wrapper for time functions
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* Copyright (C) 2010, 2012 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of either
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*
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* - the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* or
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*
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* - the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* or both in parallel, as here.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GNUPG_COMMON_GETTIME_H
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#define GNUPG_COMMON_GETTIME_H
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#include <time.h> /* We need time_t. */
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#include <gpg-error.h> /* We need gpg_error_t. */
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/* A type to hold the ISO time. Note that this is the same as
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the KSBA type ksba_isotime_t. */
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typedef char gnupg_isotime_t[16];
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time_t gnupg_get_time (void);
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struct tm *gnupg_gmtime (const time_t *timep, struct tm *result);
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void gnupg_get_isotime (gnupg_isotime_t timebuf);
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void gnupg_set_time (time_t newtime, int freeze);
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int gnupg_faked_time_p (void);
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u32 make_timestamp (void);
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char *elapsed_time_string (time_t since, time_t now);
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u32 scan_isodatestr (const char *string);
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int isotime_p (const char *string);
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int isotime_human_p (const char *string, int date_only);
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size_t string2isotime (gnupg_isotime_t atime, const char *string);
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time_t isotime2epoch (const char *string);
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void epoch2isotime (gnupg_isotime_t timebuf, time_t atime);
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int isodate_human_to_tm (const char *string, struct tm *t);
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time_t parse_timestamp (const char *timestamp, char **endp);
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u32 add_days_to_timestamp (u32 stamp, u16 days);
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const char *strtimevalue (u32 stamp);
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const char *strtimestamp (u32 stamp); /* GMT */
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const char *isotimestamp (u32 stamp); /* GMT */
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const char *asctimestamp (u32 stamp); /* localized */
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char *rfctimestamp (u32 stamp); /* RFC format, malloced. */
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gpg_error_t add_seconds_to_isotime (gnupg_isotime_t atime, int nseconds);
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gpg_error_t add_days_to_isotime (gnupg_isotime_t atime, int ndays);
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gpg_error_t check_isotime (const gnupg_isotime_t atime);
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void dump_isotime (const gnupg_isotime_t atime);
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void gnupg_copy_time (gnupg_isotime_t d, const gnupg_isotime_t s);
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#endif /*GNUPG_COMMON_GETTIME_H*/
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