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* 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.
26 lines
737 B
Plaintext
26 lines
737 B
Plaintext
@node localtime
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@section @code{localtime}
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@findex localtime
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/localtime.html}
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Gnulib module: localtime
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Portability problems fixed by Gnulib:
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@itemize
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@item
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On native Windows platforms (mingw, MSVC), this function works incorrectly
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when the environment variable @code{TZ} has been set by Cygwin.
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@end itemize
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Portability problems not fixed by Gnulib:
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@itemize
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@item
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On some platforms, this function returns nonsense values for
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unsupported arguments (like @math{2^56}), rather than failing:
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FreeBSD 10.
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@item
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Native Windows platforms (mingw, MSVC) support only a subset of time
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zones supported by GNU or specified by POSIX. @xref{tzset}.
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@end itemize
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