kc3-lang/gnulib/doc/posix-functions/dup3.texi
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Hash : ed91d9b1
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Date : 2025-03-12T18:55:26
dup3: Fix behavior for equal file descriptors on Haiku. * lib/dup3.c (dup3) [__HAIKU__]: Set errno to EINVAL and return -1 if both file descriptors are equal. * doc/posix-functions/dup3.texi: Document the Haiku bug.
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doc/posix-functions/dup3.texi
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@node dup3 @subsection @code{dup3} @findex dup3 POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/dup3.html} Documentation:@* @uref{https://www.kernel.org/doc/man-pages/online/pages/man2/dup3.2.html,,man dup3} Gnulib module: dup3 @mindex dup3 Portability problems fixed by Gnulib: @itemize @item This function is missing on many non-glibc platforms: glibc 2.8, macOS 14, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 11.3, Cygwin 1.7.1, mingw, MSVC 14, Android 4.4. @item This function can crash on some platforms: Cygwin 1.7.25. @item This function mistakenly succeeds when given two equal file descriptors on some platforms: @c https://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=58266 @c https://dev.haiku-os.org/ticket/19476 NetBSD 10.0, Haiku. @end itemize Portability problems not fixed by Gnulib: @itemize @end itemize