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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#ifndef APR_TIME_H
#define APR_TIME_H
#include "apr_general.h"
#include "apr_errno.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
APR_IMPORT_VAR const char ap_month_snames[12][4];
APR_IMPORT_VAR const char ap_day_snames[7][4];
/* number of microseconds since 00:00:00 january 1, 1970 UTC */
typedef ap_int64_t ap_time_t;
/* intervals for I/O timeouts, in microseconds */
typedef ap_int32_t ap_interval_time_t;
#ifdef WIN32
#define AP_USEC_PER_SEC ((LONGLONG) 1000000)
#else
/* XXX: this is wrong -- the LL is only required if int64 is implemented as
* a long long, it could be just a long on some platforms. the C99
* correct way of doing this is to use INT64_C(1000000) which comes
* from stdint.h. we'd probably be doing a Good Thing to check for
* INT64_C in autoconf... or otherwise define an AP_INT64_C(). -dean
*/
#define AP_USEC_PER_SEC (1000000LL)
#endif
/*
=head1 ap_time_t ap_now(void)
B<return the current time>
=cut
*/
ap_time_t ap_now(void);
/* a structure similar to ANSI struct tm with the following differences:
- tm_usec isn't an ANSI field
- tm_gmtoff isn't an ANSI field (it's a bsdism)
*/
typedef struct {
ap_int32_t tm_usec; /* microseconds past tm_sec */
ap_int32_t tm_sec; /* (0-61) seconds past tm_min */
ap_int32_t tm_min; /* (0-59) minutes past tm_hour */
ap_int32_t tm_hour; /* (0-23) hours past midnight */
ap_int32_t tm_mday; /* (1-31) day of the month */
ap_int32_t tm_mon; /* (0-11) month of the year */
ap_int32_t tm_year; /* year since 1900 */
ap_int32_t tm_wday; /* (0-6) days since sunday */
ap_int32_t tm_yday; /* (0-365) days since jan 1 */
ap_int32_t tm_isdst; /* daylight saving time */
ap_int32_t tm_gmtoff; /* seconds east of UTC */
} ap_exploded_time_t;
/*
=head1 ap_status_t ap_ansi_time_to_ap_time(ap_time_t *result, time_t input)
B<convert an ansi time_t to an ap_time_t>
arg 1) the resulting ap_time_t
arg 2) the time_t to convert
=cut
*/
ap_status_t ap_ansi_time_to_ap_time(ap_time_t *result, time_t input);
/*
=head1 ap_status_t ap_explode_gmt(ap_exploded_time_t *result, ap_time_t input)
B<convert a time to its human readable components in GMT timezone>
arg 1) the exploded time
arg 2) the time to explode
=cut
*/
ap_status_t ap_explode_gmt(ap_exploded_time_t *result, ap_time_t input);
/*
=head1 ap_status_t ap_explode_localtime(ap_exploded_time_t *result, ap_time_t input)
B<convert a time to its human readable components in local timezone>
arg 1) the exploded time
arg 2) the time to explode
=cut
*/
ap_status_t ap_explode_localtime(ap_exploded_time_t *result, ap_time_t input);
/*
=head1 ap_status_t ap_implode_time(ap_time_t *t, ap_exploded_time_t *xt)
B<Convert time value from human readable format to number of seconds since epoch>
arg 1) the resulting imploded time
arg 2) the input exploded time
=cut
*/
ap_status_t ap_implode_time(ap_time_t *result, ap_exploded_time_t *input);
/* ap_rfc822_date formats dates in the RFC822
format in an efficient manner. it is a fixed length
format and requires the indicated amount of storage
including trailing \0 */
#define AP_RFC822_DATE_LEN (30)
ap_status_t ap_rfc822_date(char *date_str, ap_time_t t);
/* ap_ctime formats dates in the ctime() format
in an efficient manner. it is a fixed length format
and requires the indicated amount of storage
including trailing \0 */
#define AP_CTIME_LEN (25)
ap_status_t ap_ctime(char *date_str, ap_time_t t);
ap_status_t ap_strftime(char *s, ap_size_t *retsize, ap_size_t max, const char *format, ap_exploded_time_t *tm);
#ifdef __cplusplus
}
#endif
#endif /* ! APR_TIME_H */
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