1 #ifndef _BABELTRACE_UTC_H
2 #define _BABELTRACE_UTC_H
5 * Copyright (C) 2011-2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
28 /* If set, use GNU or BSD timegm(3) */
29 #if defined(_BSD_SOURCE) || defined(_SVID_SOURCE)
32 time_t bt_timegm(struct tm
*tm
)
43 * Note: Below implementation of timegm() is not thread safe
44 * as it changes the environment
45 * variable TZ. It is OK as long as it is kept in self-contained program,
46 * but should not be used within thread-safe library code.
50 time_t bt_timegm(struct tm
*tm
)
57 * Make a temporary copy, as the environment variable will be
64 * Memory allocation error.
70 /* Temporarily setting TZ to 1 for UTC */
86 #endif /* _BABELTRACE_UTC_H */
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