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Bruno Haible
8fb59b8fac
* doc/posix-headers/*.texi: Add info about MSVC 14. * doc/posix-functions/*.texi: Likewise. * doc/pastposix-functions/*.texi: Likewise. * doc/glibc-headers/*.texi: Likewise. * doc/glibc-functions/*.texi: Likewise.
57 lines
1.8 KiB
Plaintext
57 lines
1.8 KiB
Plaintext
@node getopt_long_only
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@subsection @code{getopt_long_only}
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@findex getopt_long_only
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Gnulib module: getopt-gnu
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Portability problems fixed by Gnulib:
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@itemize
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@item
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The function @code{getopt_long_only} does not obey the combination of
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@samp{+} and @samp{:} flags in the options string on some platforms:
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glibc 2.11.
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@item
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The use of @samp{W;} in the optstring argument to does not always
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allow @code{-W foo} to behave synonymously with @code{--foo}:
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glibc 2.11.
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@item
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The function @code{getopt_long_only} does not support the @samp{+}
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flag in the options string on some platforms:
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Mac OS X 10.5, AIX 5.2, OSF/1 5.1, Solaris 10.
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@item
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The value of @code{optind} after a missing required argument is wrong
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on some platforms:
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Mac OS X 10.5.
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@item
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The function @code{getopt_long_only} does not obey the @samp{-} flag
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in the options string when @env{POSIXLY_CORRECT} is set on some platforms:
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Cygwin 1.7.0.
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@item
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Some implementations fail to reset state, including re-checking
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@env{POSIXLY_CORRECT}, when @code{optind} is set to @samp{0}:
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NetBSD, Cygwin 1.7.0.
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@item
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The function @code{getopt_long_only} does not support options with
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optional arguments on some platforms:
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Mac OS X 10.5, OpenBSD 4.0, AIX 5.2, Solaris 11 2010-11, Cygwin 1.5.x.
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@item
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This function is missing on some platforms:
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Mac OS X 10.3, FreeBSD 5.2.1, NetBSD 5.0, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5,
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OSF/1 5.1, mingw, MSVC 14, Interix 3.5.
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@item
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This function crashes if the option string includes @code{W;} but
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there are no long options, on some platforms:
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glibc 2.14.
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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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Some implementations return success instead of reporting an ambiguity
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if user's option is a prefix of two long options with the same outcome:
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FreeBSD.
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@item
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The GNU Coding Standards discourage the use of @code{getopt_long_only}
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in new programs.
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@end itemize
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