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svn_time.h

/**
 * @copyright
 * ====================================================================
 * Copyright (c) 2000-2004 CollabNet.  All rights reserved.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution.  The terms
 * are also available at http://subversion.tigris.org/license-1.html.
 * If newer versions of this license are posted there, you may use a
 * newer version instead, at your option.
 *
 * This software consists of voluntary contributions made by many
 * individuals.  For exact contribution history, see the revision
 * history and logs, available at http://subversion.tigris.org/.
 * ====================================================================
 * @endcopyright
 *
 * @file svn_time.h
 * @brief Time/date utilities
 */

#ifndef SVN_TIME_H
#define SVN_TIME_H

#include <apr_pools.h>
#include <apr_tables.h>
#include <apr_time.h>

#include "svn_string.h"
#include "svn_error.h"

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


/** Convert @a when to a <tt>const char *</tt> representation allocated
 * in @a pool.  Use svn_time_from_cstring() for the reverse
 * conversion.
 */
const char *svn_time_to_cstring (apr_time_t when, apr_pool_t *pool);

/** Convert @a timestr to an @c apr_time_t @a when, allocated in @a pool. */
svn_error_t *svn_time_from_cstring (apr_time_t *when, const char *data,
                                    apr_pool_t *pool);

/** Convert @a when to a <tt>const char *</tt> representation allocated
 * in @a pool, suitable for human display in UTF8.
 */
const char *svn_time_to_human_cstring (apr_time_t when, apr_pool_t *pool);


/** Convert a human-readable date @a text into an @c apr_time_t, using
 * @a now as the current time and storing the result in @a result.
 * The local time zone will be used to compute the appropriate GMT
 * offset if @a text contains a local time specification.  Set @a
 * matched to indicate whether or not @a text was parsed successfully.
 * Perform any allocation in @a pool.  Return an error iff an internal
 * error (rather than a simple parse error) occurs.
 */
svn_error_t *
svn_parse_date (svn_boolean_t *matched, apr_time_t *result, const char *text,
                apr_time_t now, apr_pool_t *pool);


/** Sleep until the next second, to ensure that any files modified
 * after we exit have a different timestamp than the one we recorded.
 */
void svn_sleep_for_timestamps (void);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* SVN_TIME_H */

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