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gnulib/doc/posix-functions/wcsftime.texi
Paul Eggert b0ebe1b9a5 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.
2017-05-01 18:01:42 -07:00

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@node wcsftime
@section @code{wcsftime}
@findex wcsftime
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/wcsftime.html}
Gnulib module: wcsftime
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.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
OpenBSD 3.8, Minix 3.1.8, IRIX 5.3, Solaris 2.5.1, Cygwin 1.5.x, BeOS.
@item
On AIX and Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
accommodate all Unicode characters.
@item
Native Windows platforms (mingw, MSVC) support only a subset of time
zones specified by POSIX. @xref{tzset}.
@end itemize