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On IRIX 6.5, link(file, "dangling") creates the target of dangling as a link to file, rather than failing with EEXIST. * m4/link.m4 (gl_FUNC_LINK): Expose the bug. * lib/link.c (rpl_link): Work around it. * tests/test-link.h (test_link): Enhance test. * doc/posix-functions/link.texi (link): Document the bug. Signed-off-by: Eric Blake <eblake@redhat.com>
31 lines
824 B
Plaintext
31 lines
824 B
Plaintext
@node link
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@section @code{link}
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@findex link
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/link.html}
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Gnulib module: link
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Portability problems 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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mingw.
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@item
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This function fails to reject trailing slashes on non-directories on
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some platforms:
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FreeBSD 7.2, Solaris 11 2010-11, Cygwin 1.5.x.
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@item
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When the second argument is a dangling symlink, some platforms follow
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that link and create the destination rather than failing:
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IRIX 6.5.
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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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When the first argument is a symlink, some platforms create a
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hard-link to what the symlink referenced, rather than to the symlink
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itself. Use @samp{linkat} to force a particular behavior.
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@end itemize
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