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    1: #ifndef HEADER_CURL_TIMEVAL_H
    2: #define HEADER_CURL_TIMEVAL_H
    3: /***************************************************************************
    4:  *                                  _   _ ____  _
    5:  *  Project                     ___| | | |  _ \| |
    6:  *                             / __| | | | |_) | |
    7:  *                            | (__| |_| |  _ <| |___
    8:  *                             \___|\___/|_| \_\_____|
    9:  *
   10:  * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
   11:  *
   12:  * This software is licensed as described in the file COPYING, which
   13:  * you should have received as part of this distribution. The terms
   14:  * are also available at https://curl.haxx.se/docs/copyright.html.
   15:  *
   16:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
   17:  * copies of the Software, and permit persons to whom the Software is
   18:  * furnished to do so, under the terms of the COPYING file.
   19:  *
   20:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
   21:  * KIND, either express or implied.
   22:  *
   23:  ***************************************************************************/
   24: 
   25: #include "curl_setup.h"
   26: 
   27: /* Use a larger type even for 32 bit time_t systems so that we can keep
   28:    microsecond accuracy in it */
   29: typedef curl_off_t timediff_t;
   30: #define CURL_FORMAT_TIMEDIFF_T CURL_FORMAT_CURL_OFF_T
   31: 
   32: #define TIMEDIFF_T_MAX CURL_OFF_T_MAX
   33: #define TIMEDIFF_T_MIN CURL_OFF_T_MIN
   34: 
   35: struct curltime {
   36:   time_t tv_sec; /* seconds */
   37:   int tv_usec;   /* microseconds */
   38: };
   39: 
   40: struct curltime Curl_now(void);
   41: 
   42: /*
   43:  * Make sure that the first argument (t1) is the more recent time and t2 is
   44:  * the older time, as otherwise you get a weird negative time-diff back...
   45:  *
   46:  * Returns: the time difference in number of milliseconds.
   47:  */
   48: timediff_t Curl_timediff(struct curltime t1, struct curltime t2);
   49: 
   50: /*
   51:  * Make sure that the first argument (t1) is the more recent time and t2 is
   52:  * the older time, as otherwise you get a weird negative time-diff back...
   53:  *
   54:  * Returns: the time difference in number of microseconds.
   55:  */
   56: timediff_t Curl_timediff_us(struct curltime newer, struct curltime older);
   57: 
   58: #endif /* HEADER_CURL_TIMEVAL_H */