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6ef93da4ca
* m4/printf.m4 (gl_PRINTF_INFINITE_LONG_DOUBLE): Don't guess yes on
NetBSD; the test fails on NetBSD 5.0.
* doc/{glibc,posix,pastposix}-{headers,functions}/*.texi: Update info
about NetBSD.
28 lines
956 B
Plaintext
28 lines
956 B
Plaintext
@node fchmodat
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@section @code{fchmodat}
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@findex fchmodat
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/fchmodat.html}
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Gnulib module: openat
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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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glibc 2.3.6, MacOS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, AIX
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5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.5.x, mingw, Interix 3.5, BeOS.
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But the replacement function is not safe to be used in libraries and is not multithread-safe.
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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 platforms do not allow changing the access bits on symbolic
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links. POSIX states that @code{fchmodat(@dots{},AT_SYMLINK_NOFOLLOW)}
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may fail with @code{EOPNOTSUPP} when called on a symlink, but some
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platforms, as well as the gnulib replacement, fail for any use of
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AT_SYMLINK_NOFOLLOW even if the target was not a symlink:
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glibc, Cygwin.
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@end itemize
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