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 */
29typedef 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
35struct curltime {
36 time_t tv_sec; /* seconds */
37 int tv_usec; /* microseconds */
38};
39
40struct 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 */
48timediff_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 */
56timediff_t Curl_timediff_us(struct curltime newer, struct curltime older);
57
58#endif /* HEADER_CURL_TIMEVAL_H */
59