1 #ifndef HEADER_CURL_TIMEDIFF_H
2 #define HEADER_CURL_TIMEDIFF_H
3 /***************************************************************************
5 * Project ___| | | | _ \| |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
10 * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
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.se/docs/copyright.html.
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.
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
23 * SPDX-License-Identifier: curl
25 ***************************************************************************/
27 #include "curl_setup.h"
29 /* Use a larger type even for 32 bit time_t systems so that we can keep
30 microsecond accuracy in it */
31 typedef curl_off_t timediff_t;
32 #define CURL_FORMAT_TIMEDIFF_T CURL_FORMAT_CURL_OFF_T
34 #define TIMEDIFF_T_MAX CURL_OFF_T_MAX
35 #define TIMEDIFF_T_MIN CURL_OFF_T_MIN
38 * Converts number of milliseconds into a timeval structure.
41 * NULL IF tv is NULL or ms < 0 (eg. no timeout -> blocking select)
42 * tv with 0 in both fields IF ms == 0 (eg. 0ms timeout -> polling select)
43 * tv with converted fields IF ms > 0 (eg. >0ms timeout -> waiting select)
45 struct timeval *curlx_mstotv(struct timeval *tv, timediff_t ms);
48 * Converts a timeval structure into number of milliseconds.
50 timediff_t curlx_tvtoms(struct timeval *tv);
52 #endif /* HEADER_CURL_TIMEDIFF_H */