| 1 | #ifndef HEADER_CURL_TIMEDIFF_H
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| 2 | #define HEADER_CURL_TIMEDIFF_H
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| 3 | /***************************************************************************
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| 4 | * _ _ ____ _
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| 5 | * Project ___| | | | _ \| |
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| 6 | * / __| | | | |_) | |
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| 7 | * | (__| |_| | _ <| |___
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| 8 | * \___|\___/|_| \_\_____|
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| 9 | *
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| 10 | * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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| 11 | *
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| 12 | * This software is licensed as described in the file COPYING, which
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| 13 | * you should have received as part of this distribution. The terms
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| 14 | * are also available at https://curl.se/docs/copyright.html.
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| 15 | *
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| 16 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 17 | * copies of the Software, and permit persons to whom the Software is
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| 18 | * furnished to do so, under the terms of the COPYING file.
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| 19 | *
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| 20 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 21 | * KIND, either express or implied.
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| 22 | *
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| 23 | * SPDX-License-Identifier: curl
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| 24 | *
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| 25 | ***************************************************************************/
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| 26 |
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| 27 | #include "curl_setup.h"
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| 28 |
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| 29 | /* Use a larger type even for 32 bit time_t systems so that we can keep
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| 30 | microsecond accuracy in it */
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| 31 | typedef curl_off_t timediff_t;
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| 32 | #define CURL_FORMAT_TIMEDIFF_T CURL_FORMAT_CURL_OFF_T
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| 33 |
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| 34 | #define TIMEDIFF_T_MAX CURL_OFF_T_MAX
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| 35 | #define TIMEDIFF_T_MIN CURL_OFF_T_MIN
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| 36 |
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| 37 | /*
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| 38 | * Converts number of milliseconds into a timeval structure.
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| 39 | *
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| 40 | * Return values:
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| 41 | * NULL IF tv is NULL or ms < 0 (eg. no timeout -> blocking select)
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| 42 | * tv with 0 in both fields IF ms == 0 (eg. 0ms timeout -> polling select)
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| 43 | * tv with converted fields IF ms > 0 (eg. >0ms timeout -> waiting select)
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| 44 | */
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| 45 | struct timeval *curlx_mstotv(struct timeval *tv, timediff_t ms);
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| 46 |
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| 47 | /*
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| 48 | * Converts a timeval structure into number of milliseconds.
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| 49 | */
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| 50 | timediff_t curlx_tvtoms(struct timeval *tv);
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| 51 |
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| 52 | #endif /* HEADER_CURL_TIMEDIFF_H */
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