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Fix C11 and POSIX 1003.1b-1993 compliance in time.h

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Only expose timespec_get in C11, C++17, or BSD code.  Always define
struct timespect if defining timespec_get.

PR:		231425
Reviewed by:	kib
Approved by:	re (gjb)
Differential Revision:	https://reviews.freebsd.org/D17174
This commit is contained in:
Brooks Davis 2018-09-18 15:31:24 +00:00
parent 9ed6559e3e
commit d02489d11a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=338751
1 changed files with 4 additions and 0 deletions
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4
include/time.h
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@ -207,9 +207,13 @@ time_t posix2time(time_t t);
#include <xlocale/_time.h>
#endif
#if defined(__BSD_VISIBLE) || __ISO_C_VISIBLE >= 2011 || \
(defined(cplusplus) && cplusplus >= 201703)
#include <sys/_timespec.h>
/* ISO/IEC 9899:201x 7.27.2.5 The timespec_get function */
#define TIME_UTC 1 /* time elapsed since epoch */
int timespec_get(struct timespec *ts, int base);
#endif
__END_DECLS