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#ifndef HEADER_CURL_TIMEVAL_H 
#define HEADER_CURL_TIMEVAL_H 
/*************************************************************************** 
 *                                  _   _ ____  _ 
 *  Project                     ___| | | |  _ \| | 
 *                             / __| | | | |_) | | 
 *                            | (__| |_| |  _ <| |___ 
 *                             \___|\___/|_| \_\_____| 
 * 
 * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
 * 
 * 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 https://curl.se/docs/copyright.html.
 * 
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 
 * copies of the Software, and permit persons to whom the Software is 
 * furnished to do so, under the terms of the COPYING file. 
 * 
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 
 * KIND, either express or implied. 
 * 
 ***************************************************************************/ 
 
#include "curl_setup.h" 
 
/* Use a larger type even for 32 bit time_t systems so that we can keep
   microsecond accuracy in it */
typedef curl_off_t timediff_t;
#define CURL_FORMAT_TIMEDIFF_T CURL_FORMAT_CURL_OFF_T
 
#define TIMEDIFF_T_MAX CURL_OFF_T_MAX
#define TIMEDIFF_T_MIN CURL_OFF_T_MIN

struct curltime {
  time_t tv_sec; /* seconds */
  int tv_usec;   /* microseconds */
};

struct curltime Curl_now(void);

/* 
 * Make sure that the first argument (t1) is the more recent time and t2 is 
 * the older time, as otherwise you get a weird negative time-diff back... 
 * 
 * Returns: the time difference in number of milliseconds. 
 */ 
timediff_t Curl_timediff(struct curltime t1, struct curltime t2);
 
/* 
 * Make sure that the first argument (t1) is the more recent time and t2 is
 * the older time, as otherwise you get a weird negative time-diff back...
 * 
 * Returns: the time difference in number of microseconds.
 */ 
timediff_t Curl_timediff_us(struct curltime newer, struct curltime older);
 
#endif /* HEADER_CURL_TIMEVAL_H */