90 lines
3.2 KiB
Plaintext
90 lines
3.2 KiB
Plaintext
@node swprintf
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@subsection @code{swprintf}
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@findex swprintf
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POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/swprintf.html}
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Gnulib module: ---
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Portability problems fixed by Gnulib:
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@itemize
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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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This function is missing on some platforms:
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NetBSD 3.0, OpenBSD 3.8, Minix 3.1.8, HP-UX 11.00, Cygwin 1.5.x.
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@item
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This function has a different signature on some platforms:
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MSVC 9.
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@item
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This function is only defined as a macro on some platforms:
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MSVC 14.
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@item
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This function does not support the @samp{n} directive on some platforms:
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glibc when used with @code{_FORTIFY_SOURCE >= 2} (set by default on Ubuntu),
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macOS 14, OpenBSD, MSVC 14, Android.
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@item
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This function sometimes returns a wrong value through the @samp{n} directive
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on some platforms:
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@c https://www.openwall.com/lists/musl/2023/03/19/1
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musl libc 1.2.3.
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@item
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On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and therefore cannot
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accommodate all Unicode characters.
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@item
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On Windows, this function does not take a buffer size as second argument.
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@item
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This function produces wrong values for the @samp{La} directive
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on some platforms:
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@c https://sourceware.org/bugzilla/show_bug.cgi?id=13726
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glibc 2.15,
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@c https://dev.haiku-os.org/ticket/18353
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Haiku,
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NetBSD 10.0.
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@item
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This function does not support size specifiers as in C23 (@code{w8},
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@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
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@code{wf64}) on some platforms:
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glibc 2.37, musl libc, macOS 14, FreeBSD 13.2, NetBSD 10.0, OpenBSD 7.5, AIX 7.3, Solaris 11.4, Cygwin 3.5.3, mingw, MSVC, Android 9.0.
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@item
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This function ignores the minimum field width in the @samp{lc} directive
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on some platforms:
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@c https://www.openwall.com/lists/musl/2023/03/20/1
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musl libc 1.2.3.
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@item
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This function is broken when it produces output that contains null wide
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characters on some platforms:
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@c https://www.openwall.com/lists/musl/2023/03/22/9
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musl libc 1.2.3,
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macOS 14, FreeBSD 13.1, NetBSD 10.0, OpenBSD 7.2, AIX 7.2, mingw.
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@item
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This function does not support the @samp{b} directive, required by ISO C23,
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on some platforms:
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glibc 2.34, musl libc, macOS 14, FreeBSD 13.2, NetBSD 10.0, OpenBSD 7.5,
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AIX 7.3, HP-UX 11, Solaris 11.4, Cygwin 3.5.3, mingw, MSVC 14, Android 9.0.
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@item
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This function does not support the @samp{B} directive on some platforms:
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glibc 2.34, musl libc, macOS 14, FreeBSD 13.2, NetBSD 10.0, OpenBSD 7.5, AIX 7.3, Solaris 11.4, Cygwin 3.5.3, mingw, MSVC, Android 9.0.
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@item
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printf @code{"%#.0x"} or @code{"%#.0X"} with a zero argument yields an
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incorrect result (non-empty) on some platforms:
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Mac OS X 10.6.
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@item
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The @code{%m} directive is not portable, use @code{%s} mapped to an
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argument of @code{strerror(errno)} (or a version of @code{strerror_r})
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instead.
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@item
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In the C or POSIX locales, the @code{%c} and @code{%s} conversions may fail
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on some platforms:
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glibc 2.35, musl libc 1.2.4, FreeBSD 13.2, NetBSD 10.0, OpenBSD 7.2, Cygwin 2.9.0.
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@item
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The @code{%lc} directive may fail on some platforms:
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musl libc 1.2.4, FreeBSD 13.2, NetBSD 10.0, OpenBSD 7.2.
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@item
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When formatting an integer with grouping flag, this function inserts thousands
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separators even in the "C" locale on some platforms:
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NetBSD 5.1.
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@end itemize
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