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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@97162 13f79535-47bb-0310-9956-ffa450edef68
125 lines
4.7 KiB
C
125 lines
4.7 KiB
C
/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2001-2002 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" must
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* not be used to endorse or promote products derived from this
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* software without prior written permission. For written
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* permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* nor may "Apache" appear in their name, without prior written
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* permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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#ifndef APACHE_UTIL_TIME_H
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#define APACHE_UTIL_TIME_H
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#include "apr.h"
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#include "apr_time.h"
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#include "httpd.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @package Apache date-time handling functions
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*/
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/* Maximum delta from the current time, in seconds, for a past time
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* to qualify as "recent" for use in the ap_explode_recent_*() functions:
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* (Must be a power of two minus one!)
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*/
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#define AP_TIME_RECENT_THRESHOLD 15
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/**
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* convert a recent time to its human readable components in local timezone
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* @param tm the exploded time
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* @param t the time to explode: MUST be within the last
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* AP_TIME_RECENT_THRESHOLD seconds
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* @note This is a faster alternative to apr_explode_localtime that uses
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* a cache of pre-exploded time structures. It is useful for things
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* that need to explode the current time multiple times per second,
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* like loggers.
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* @return APR_SUCCESS iff successful
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*/
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AP_DECLARE(apr_status_t) ap_explode_recent_localtime(apr_time_exp_t *tm,
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apr_time_t t);
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/**
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* convert a recent time to its human readable components in GMT timezone
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* @param tm the exploded time
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* @param t the time to explode: MUST be within the last
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* AP_TIME_RECENT_THRESHOLD seconds
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* @note This is a faster alternative to apr_time_exp_gmt that uses
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* a cache of pre-exploded time structures. It is useful for things
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* that need to explode the current time multiple times per second,
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* like loggers.
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* @return APR_SUCCESS iff successful
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*/
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AP_DECLARE(apr_status_t) ap_explode_recent_gmt(apr_time_exp_t *tm,
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apr_time_t t);
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/**
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* format a recent timestamp in the ctime() format.
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* @param date_str String to write to.
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* @param t the time to convert
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*/
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AP_DECLARE(apr_status_t) ap_recent_ctime(char *date_str, apr_time_t t);
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/**
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* format a recent timestamp in the RFC822 format
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* @param date_str String to write to (must have length >= APR_RFC822_DATE_LEN)
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* @param t the time to convert
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*/
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AP_DECLARE(apr_status_t) ap_recent_rfc822_date(char *date_str, apr_time_t t);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !APACHE_UTIL_TIME_H */
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