xref: /lighttpd1.4/src/sys-time.h (revision 3392e8fb)
1 /*
2  * sys-time.h - time.h wrapper for localtime_r() and gmtime_r()
3  *
4  * Copyright(c) 2015 Glenn Strauss gstrauss()gluelogic.com  All rights reserved
5  * License: BSD 3-clause (same as lighttpd)
6  */
7 #ifndef INCLUDED_SYS_TIME_H
8 #define INCLUDED_SYS_TIME_H
9 #include "first.h"
10 
11 #ifdef HAVE_SYS_TIME_H
12 #include <sys/time.h>/* gettimeofday() */
13 #endif
14 #include <time.h>    /* time() localtime_r() gmtime_r() strftime() */
15 
16 /*(provide rudimentary localtime_r() and gmtime_r() for platforms lacking)
17  *(Note that 'result' preprocessor arg is repeated, so callers should avoid
18  * side-effects.  Also note that there is still a race condition before the
19  * result of localtime()/gmtime() is copied.  In any case, this exists here
20  * so that the rest of the code can use localtime_r() and gmtime_r() syntax.
21  * Platforms requiring thread-safety and lacking localtime_r() or gmtime_r()
22  * could turn these into subroutines which take a local mutex to protect the
23  * calls to localtime() or gmtime()) */
24 #ifndef HAVE_LOCALTIME_R
25 #define localtime_r(timep,result) ((*(result) = *(localtime(timep))), (result))
26 #endif
27 #ifndef HAVE_GMTIME_R
28 #define gmtime_r(timep,result)    ((*(result) = *(gmtime(timep))),    (result))
29 #endif
30 
31 #endif
32