Hash :
b0ebe1b9
Author :
Date :
2017-05-01T18:00:56
tzset: update doc for TZ problems on MS-Windows * doc/posix-functions/ctime.texi, doc/posix-functions/daylight.texi: * doc/posix-functions/localtime.texi, doc/posix-functions/mktime.texi: * doc/posix-functions/strftime.texi, doc/posix-functions/timezone.texi: * doc/posix-functions/tzname.texi, doc/posix-functions/tzset.texi: * doc/posix-functions/wcsftime.texi: Mention some issues with TZ under MS-Windows.
@node mktime
@section @code{mktime}
@findex mktime
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/mktime.html}
Gnulib module: mktime
Portability problems fixed by Gnulib:
@itemize
@item
On native Windows platforms (mingw, MSVC), this function works incorrectly
when the environment variable @code{TZ} has been set by Cygwin.
@item
@code{mktime} may go into an endless loop on some platforms.
@item
@code{mktime} may occasionally return wrong results on some platforms.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
Native Windows platforms (mingw, MSVC) support only a subset of time
zones supported by GNU or specified by POSIX. @xref{tzset}.
@end itemize