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* doc/posix-headers/*.texi: Update. * doc/pastposix-headers/*.texi: Update. * doc/glibc-headers/*.texi: Likewise. * doc/posix-functions/*.texi: Likewise. * doc/pastposix-functions/*.texi: Likewise. * doc/glibc-functions/*.texi: Likewise.
139 lines
5.2 KiB
Plaintext
139 lines
5.2 KiB
Plaintext
@node obstack_vprintf
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@subsection @code{obstack_vprintf}
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@findex obstack_vprintf
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Documentation:@*
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@ifinfo
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@ref{Variable Arguments Output,,Variable Arguments Output Functions,libc}.
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@end ifinfo
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@ifnotinfo
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@url{https://www.gnu.org/software/libc/manual/html_node/Variable-Arguments-Output.html}.
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@end ifnotinfo
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Gnulib module: obstack-printf or obstack-printf-posix or obstack-printf-gnu
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@mindex obstack-printf
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@mindex obstack-printf-posix
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@mindex obstack-printf-gnu
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Portability problems fixed by either Gnulib module
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@code{obstack-printf} or @code{obstack-printf-posix} or @code{obstack-printf-gnu}:
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@itemize
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@item
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This function is missing on all non-glibc platforms:
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musl libc, macOS 14, FreeBSD 14.0, NetBSD 10.0, OpenBSD 7.9, Minix 3.1.8, AIX 7.3, HP-UX 11, Solaris 11.4, Cygwin 3.5.3, mingw, MSVC 14, Android 9.0.
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@end itemize
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Portability problems fixed by either Gnulib module @code{obstack-printf-posix} or @code{obstack-printf-gnu}:
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@itemize
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@item
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This function does not support size specifiers as in C99 (@code{hh}, @code{ll},
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@code{j}, @code{t}, @code{z}) on some platforms:
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AIX 5.1, HP-UX 11.23, Solaris 9, Cygwin 1.5.24, old mingw, MSVC 9.
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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.
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@item
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printf of @samp{long double} numbers is unsupported on some platforms:
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mingw, MSVC 14.
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@item
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printf @code{"%f"}, @code{"%e"}, @code{"%g"} of Infinity and NaN yields an
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incorrect result on some platforms:
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AIX 7.3, Solaris 11.4, mingw, MSVC 14.
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@item
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This function doesn't support the @code{'} flag at all on some platforms:
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mingw without @code{__USE_MINGW_ANSI_STDIO}, MSVC 14.
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@item
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This function doesn't support the @code{'} flag correctly for integers
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(it uses the decimal point instead of the thousands separator!)
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on some platforms:
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mingw with @code{__USE_MINGW_ANSI_STDIO}.
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@item
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This function doesn't support the @code{'} flag together with a precision
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on an integer argument correctly on some platforms:
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glibc 2.36, FreeBSD 14.0, NetBSD 10.0, Solaris 11, Cygwin 3.6.0, Haiku.
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@item
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This function doesn't support the @code{'} flag correctly in locales where
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the thousands separator is a multibyte character on some platforms:
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NetBSD 10.0, Solaris 11 OpenIndiana.
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@item
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This function does not support the @samp{a} and @samp{A} directives on some
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platforms:
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FreeBSD 5.2.1, OpenBSD 4.0, AIX 5.2, HP-UX 11,
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Solaris 11.4, Cygwin 1.5.x, mingw, MSVC 14.
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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 7.9,
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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{F} directive on some platforms:
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NetBSD 3.0, AIX 5.1, HP-UX 11.23, Solaris 9,
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Cygwin 1.5.x, mingw, MSVC 14.
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@item
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This function does not support the @samp{ls} directive on some platforms:
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OpenBSD 4.0, Cygwin 1.5.x, Haiku.
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@item
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This function does not support precisions in the @samp{ls} directive correctly
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on some platforms:
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Solaris 11.4.
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@item
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This function does not support format directives that access arguments in an
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arbitrary order, such as @code{"%2$s"}, on some platforms:
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NetBSD 3.0, mingw, MSVC 14.
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@item
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This function doesn't support the @code{'} flag on some platforms:
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NetBSD 3.0, Cygwin 1.5.24, mingw, MSVC 14.
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@item
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This function does not round the argument of the @samp{a} directive correctly
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on some platforms:
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macOS 14, FreeBSD 14.0, NetBSD 10.0, OpenBSD 7.9, AIX 7.3, Solaris 11.4.
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@item
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printf @code{"%010f"} of NaN and Infinity yields an incorrect result (padded
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with zeroes) on some platforms:
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Mac OS X 10.5, FreeBSD 6.0, NetBSD 5.0, AIX 7.3, Solaris 11.4, Cygwin 1.5.x, mingw, MSVC/clang.
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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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This function does not support precisions larger than 512 or 1024 in integer,
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floating-point and pointer output on some platforms:
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Solaris 10/x86, mingw, MSVC/clang.
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@item
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This function produces wrong output for the @samp{lc} directive with a NUL
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wide character argument on some platforms:
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musl libc 1.2.4.
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@item
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This function can crash in out-of-memory conditions on some platforms:
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FreeBSD 14.0, NetBSD 5.0.
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@end itemize
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Portability problems fixed by Gnulib module @code{obstack-printf-gnu}:
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@itemize
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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 7.9, AIX 7.3, Solaris 11.4, Cygwin 3.5.3, mingw, MSVC, Android 9.0.
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@end itemize
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@mindex printf-with-n-directive
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Portability problems fixed by either Gnulib module @code{obstack-printf-posix} or @code{obstack-printf-gnu}
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and additionally the Gnulib module @code{printf-with-n-directive}:
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@itemize
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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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MSVC 14.
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@item
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This function does not fully support the @samp{n} directive on some platforms:
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HP-UX 11, mingw, MSVC 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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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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@end itemize
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