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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef _MAILUTILS_DATETIME_H
#define _MAILUTILS_DATETIME_H
#include <time.h>
#include <mailutils/types.h>
/* ----------------------- */
/* Date & time functions */
/* ----------------------- */
struct mu_timezone
{
int utc_offset; /* Seconds east of UTC. */
const char *tz_name;
/* Nickname for this timezone, if known. It is always considered
to be a pointer to static string, so will never be freed. */
};
int mu_parse_date (const char *p, time_t *rettime, const time_t *now);
time_t mu_utc_offset (void);
time_t mu_tm2time (struct tm *timeptr, struct mu_timezone *tz);
size_t mu_strftime (char *s, size_t max, const char *format, struct tm *tm);
int mu_c_streamftime (mu_stream_t str, const char *fmt, struct tm *tm,
struct mu_timezone *tz);
int mu_scan_datetime (const char *input, const char *fmt, struct tm *tm,
struct mu_timezone *tz, char **endp);
/* Common datetime formats: */
#define MU_DATETIME_FROM "%a %b %e %H:%M:%S %Y"
/* Length of an envelope date in C locale,
not counting the terminating nul character */
#define MU_DATETIME_FROM_LENGTH 24
#define MU_DATETIME_IMAP "%d-%b-%Y %H:%M:%S %z"
#define MU_DATETIME_INTERNALDATE "%d-%b-%Y%$ %H:%M:%S %z"
/* RFC2822 date. Scan format contains considerable allowances which would
stun formatting functions, therefore two distinct formats are provided:
one for outputting and one for scanning: */
#define MU_DATETIME_FORM_RFC822 "%a, %e %b %Y %H:%M:%S %z"
#define MU_DATETIME_SCAN_RFC822 "%[%a, %]%e %b %Y %H:%M%[:%S%] %z"
#endif
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