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- /* ====================================================================
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2000-2003 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
-
- /**
- * @file apr_time.h
- * @brief APR Time Library
- */
-
- #include "apr.h"
- #include "apr_pools.h"
- #include "apr_errno.h"
-
- #ifdef __cplusplus
- extern "C" {
- #endif /* __cplusplus */
-
- /**
- * @defgroup apr_time Time Routines
- * @ingroup APR
- * @{
- */
-
- /** month names */
- APR_DECLARE_DATA extern const char apr_month_snames[12][4];
- /** day names */
- APR_DECLARE_DATA extern const char apr_day_snames[7][4];
-
-
- /** number of microseconds since 00:00:00 january 1, 1970 UTC */
- typedef apr_int64_t apr_time_t;
-
-
- /** mechanism to properly type apr_time_t literals */
- #define APR_TIME_C(val) APR_INT64_C(val)
-
- /** mechanism to properly print apr_time_t values */
- #define APR_TIME_T_FMT APR_INT64_T_FMT
-
- /** intervals for I/O timeouts, in microseconds */
- typedef apr_int64_t apr_interval_time_t;
- /** short interval for I/O timeouts, in microseconds */
- typedef apr_int32_t apr_short_interval_time_t;
-
- /** number of microseconds per second */
- #define APR_USEC_PER_SEC APR_TIME_C(1000000)
-
- /** @return apr_time_t as a second */
- #define apr_time_sec(time) ((time) / APR_USEC_PER_SEC)
-
- /** @return apr_time_t as a usec */
- #define apr_time_usec(time) ((time) % APR_USEC_PER_SEC)
-
- /** @return apr_time_t as a msec */
- #define apr_time_msec(time) (((time) / 1000) % 1000)
-
- /** @return apr_time_t as a msec */
- #define apr_time_as_msec(time) ((time) / 1000)
-
- /** @return a second as an apr_time_t */
- #define apr_time_from_sec(sec) ((apr_time_t)(sec) * APR_USEC_PER_SEC)
-
- /** @return a second and usec combination as an apr_time_t */
- #define apr_time_make(sec, usec) ((apr_time_t)(sec) * APR_USEC_PER_SEC \
- + (apr_time_t)(usec))
-
- /**
- * @return the current time
- */
- APR_DECLARE(apr_time_t) apr_time_now(void);
-
- /** @see apr_time_exp_t */
- typedef struct apr_time_exp_t apr_time_exp_t;
-
- /**
- * 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)
- */
- struct apr_time_exp_t {
- /** microseconds past tm_sec */
- apr_int32_t tm_usec;
- /** (0-61) seconds past tm_min */
- apr_int32_t tm_sec;
- /** (0-59) minutes past tm_hour */
- apr_int32_t tm_min;
- /** (0-23) hours past midnight */
- apr_int32_t tm_hour;
- /** (1-31) day of the month */
- apr_int32_t tm_mday;
- /** (0-11) month of the year */
- apr_int32_t tm_mon;
- /** year since 1900 */
- apr_int32_t tm_year;
- /** (0-6) days since sunday */
- apr_int32_t tm_wday;
- /** (0-365) days since jan 1 */
- apr_int32_t tm_yday;
- /** daylight saving time */
- apr_int32_t tm_isdst;
- /** seconds east of UTC */
- apr_int32_t tm_gmtoff;
- };
-
- /**
- * convert an ansi time_t to an apr_time_t
- * @param result the resulting apr_time_t
- * @param input the time_t to convert
- */
- APR_DECLARE(apr_status_t) apr_time_ansi_put(apr_time_t *result,
- time_t input);
-
- /**
- * convert a time to its human readable components using an offset
- * from GMT
- * @param result the exploded time
- * @param input the time to explode
- * @param offs the number of seconds offset to apply
- */
- APR_DECLARE(apr_status_t) apr_time_exp_tz(apr_time_exp_t *result,
- apr_time_t input,
- apr_int32_t offs);
-
- /** @deprecated @see apr_time_exp_tz */
- APR_DECLARE(apr_status_t) apr_explode_time(apr_time_exp_t *result,
- apr_time_t input,
- apr_int32_t offs);
-
- /**
- * convert a time to its human readable components in GMT timezone
- * @param result the exploded time
- * @param input the time to explode
- */
- APR_DECLARE(apr_status_t) apr_time_exp_gmt(apr_time_exp_t *result,
- apr_time_t input);
-
- /**
- * convert a time to its human readable components in local timezone
- * @param result the exploded time
- * @param input the time to explode
- */
- APR_DECLARE(apr_status_t) apr_time_exp_lt(apr_time_exp_t *result,
- apr_time_t input);
-
- /** @deprecated @see apr_time_exp_lt */
- APR_DECLARE(apr_status_t) apr_explode_localtime(apr_time_exp_t *result,
- apr_time_t input);
-
- /**
- * Convert time value from human readable format to a numeric apr_time_t
- * e.g. elapsed usec since epoch
- * @param result the resulting imploded time
- * @param input the input exploded time
- */
- APR_DECLARE(apr_status_t) apr_time_exp_get(apr_time_t *result,
- apr_time_exp_t *input);
-
- /**
- * Convert time value from human readable format to a numeric apr_time_t that
- * always represents GMT
- * @param result the resulting imploded time
- * @param input the input exploded time
- */
- APR_DECLARE(apr_status_t) apr_time_exp_gmt_get(apr_time_t *result,
- apr_time_exp_t *input);
-
- /** @deprecated @see apr_time_exp_gmt_get */
- APR_DECLARE(apr_status_t) apr_implode_gmt(apr_time_t *result,
- apr_time_exp_t *input);
-
- /**
- * Sleep for the specified number of micro-seconds.
- * @param t desired amount of time to sleep.
- * @warning May sleep for longer than the specified time.
- */
- APR_DECLARE(void) apr_sleep(apr_interval_time_t t);
-
- /** length of a RFC822 Date */
- #define APR_RFC822_DATE_LEN (30)
- /**
- * apr_rfc822_date formats dates in the RFC822
- * format in an efficient manner. It is a fixed length
- * format which requires the indicated amount of storage,
- * including the trailing null byte.
- * @param date_str String to write to.
- * @param t the time to convert
- */
- APR_DECLARE(apr_status_t) apr_rfc822_date(char *date_str, apr_time_t t);
-
- /** length of a CTIME date */
- #define APR_CTIME_LEN (25)
- /**
- * apr_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
- * the trailing null byte.
- * Unlike ANSI/ISO C ctime(), apr_ctime() does not include
- * a \n at the end of the string.
- * @param date_str String to write to.
- * @param t the time to convert
- */
- APR_DECLARE(apr_status_t) apr_ctime(char *date_str, apr_time_t t);
-
- /**
- * formats the exploded time according to the format specified
- * @param s string to write to
- * @param retsize The length of the returned string
- * @param max The maximum length of the string
- * @param format The format for the time string
- * @param tm The time to convert
- */
- APR_DECLARE(apr_status_t) apr_strftime(char *s, apr_size_t *retsize,
- apr_size_t max, const char *format,
- apr_time_exp_t *tm);
-
- /**
- * Improve the clock resolution for the lifetime of the given pool.
- * Generally this is only desireable on benchmarking and other very
- * time-sensitive applications, and has no impact on most platforms.
- * @param p The pool to associate the finer clock resolution
- */
- APR_DECLARE(void) apr_time_clock_hires(apr_pool_t *p);
-
- /** @} */
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* ! APR_TIME_H */
-