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c6988f9131
Move `Curl_gmtime()` to curlx and rename to `curlx_gmtime()`. Then call
the internal wrapper also from the curl tool, to avoid using the banned
`gmtime()` directly, and using better, thread-safe alternatives when
available.
Windows `gmtime_s()` requires mingw-w64 v4+ or MSVC. Use local
workaround to also support mingw-w64 v3. `gmtime_s()` also makes
defining `_CRT_SECURE_NO_WARNINGS` unnecessary.
Also:
- lib: drop unused `parsedate.h` includes.
- drop redundant cast from `gmtime_r()` result.
- autotools: reverse condition in the proto detection to avoid
misleading readers. (the condition plays no role in detection.)
- note Windows XP's default `msvcrt.dll` doesn't offer secure CRT APIs.
XP likely needs a newer version of this DLL, or may not run.
Refs:
https://learn.microsoft.com/cpp/c-runtime-library/reference/gmtime-gmtime32-gmtime64
https://learn.microsoft.com/cpp/c-runtime-library/reference/gmtime-s-gmtime32-s-gmtime64-s
https://pubs.opengroup.org/onlinepubs/9799919799/functions/gmtime.html
https://linux.die.net/man/3/gmtime_r
Ref: #19957 (for `localtime_r()`)
Follow-up to 54d9f060b4
Closes #19955
70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
#ifndef HEADER_CURL_TIMEVAL_H
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#define HEADER_CURL_TIMEVAL_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "../curl_setup.h"
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#include "timediff.h"
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struct curltime {
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time_t tv_sec; /* seconds */
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int tv_usec; /* microseconds */
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};
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#ifdef _WIN32
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/* For tool or tests, we must initialize before calling curlx_now() */
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void curlx_now_init(void);
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#endif
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struct curltime curlx_now(void);
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/*
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* Make sure that the first argument (newer) is the more recent time and older
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* is the older time, as otherwise you get a weird negative time-diff back...
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*
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* Returns: the time difference in number of milliseconds.
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*/
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timediff_t curlx_timediff_ms(struct curltime newer, struct curltime older);
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/*
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* Make sure that the first argument (newer) is the more recent time and older
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* is the older time, as otherwise you get a weird negative time-diff back...
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*
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* Returns: the time difference in number of milliseconds, rounded up.
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*/
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timediff_t curlx_timediff_ceil_ms(struct curltime newer,
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struct curltime older);
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/*
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* Make sure that the first argument (newer) is the more recent time and older
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* is the older time, as otherwise you get a weird negative time-diff back...
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*
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* Returns: the time difference in number of microseconds.
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*/
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timediff_t curlx_timediff_us(struct curltime newer, struct curltime older);
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CURLcode curlx_gmtime(time_t intime, struct tm *store);
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#endif /* HEADER_CURL_TIMEVAL_H */
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