xref: /freebsd/crypto/heimdal/lib/roken/tm2time.c (revision 6a068746777241722b2b32c5d0bc443a2a64d80b)
1b528cefcSMark Murray /*
2*ae771770SStanislav Sedov  * Copyright (c) 1995, 1996, 1997, 2004 Kungliga Tekniska Högskolan
3b528cefcSMark Murray  * (Royal Institute of Technology, Stockholm, Sweden).
4b528cefcSMark Murray  * All rights reserved.
5b528cefcSMark Murray  *
6b528cefcSMark Murray  * Redistribution and use in source and binary forms, with or without
7b528cefcSMark Murray  * modification, are permitted provided that the following conditions
8b528cefcSMark Murray  * are met:
9b528cefcSMark Murray  *
10b528cefcSMark Murray  * 1. Redistributions of source code must retain the above copyright
11b528cefcSMark Murray  *    notice, this list of conditions and the following disclaimer.
12b528cefcSMark Murray  *
13b528cefcSMark Murray  * 2. Redistributions in binary form must reproduce the above copyright
14b528cefcSMark Murray  *    notice, this list of conditions and the following disclaimer in the
15b528cefcSMark Murray  *    documentation and/or other materials provided with the distribution.
16b528cefcSMark Murray  *
17b528cefcSMark Murray  * 3. Neither the name of the Institute nor the names of its contributors
18b528cefcSMark Murray  *    may be used to endorse or promote products derived from this software
19b528cefcSMark Murray  *    without specific prior written permission.
20b528cefcSMark Murray  *
21b528cefcSMark Murray  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22b528cefcSMark Murray  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23b528cefcSMark Murray  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24b528cefcSMark Murray  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25b528cefcSMark Murray  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26b528cefcSMark Murray  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27b528cefcSMark Murray  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28b528cefcSMark Murray  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29b528cefcSMark Murray  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30b528cefcSMark Murray  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31b528cefcSMark Murray  * SUCH DAMAGE.
32b528cefcSMark Murray  */
33b528cefcSMark Murray 
34b528cefcSMark Murray #include <config.h>
35b528cefcSMark Murray 
36b528cefcSMark Murray #ifdef TIME_WITH_SYS_TIME
37b528cefcSMark Murray #include <sys/time.h>
38b528cefcSMark Murray #include <time.h>
39b528cefcSMark Murray #elif defined(HAVE_SYS_TIME_H)
40b528cefcSMark Murray #include <sys/time.h>
41b528cefcSMark Murray #else
42b528cefcSMark Murray #include <time.h>
43b528cefcSMark Murray #endif
44b528cefcSMark Murray #include "roken.h"
45b528cefcSMark Murray 
46*ae771770SStanislav Sedov ROKEN_LIB_FUNCTION time_t ROKEN_LIB_CALL
tm2time(struct tm tm,int local)47b528cefcSMark Murray tm2time (struct tm tm, int local)
48b528cefcSMark Murray {
49b528cefcSMark Murray     time_t t;
50b528cefcSMark Murray 
51c19800e8SDoug Rabson     tm.tm_isdst = local ? -1 : 0;
52b528cefcSMark Murray 
53b528cefcSMark Murray     t = mktime (&tm);
54b528cefcSMark Murray 
55b528cefcSMark Murray     if (!local)
56b528cefcSMark Murray 	t += t - mktime (gmtime (&t));
57b528cefcSMark Murray     return t;
58b528cefcSMark Murray }
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