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2014694542
* m4/canonicalize.m4 (gl_FUNC_REALPATH_WORKS): Add GL_NOCRASH code. * modules/canonicalize (Depends-on): Add 'nocrash'. * modules/canonicalize-lgpl (Depends-on): Likewise. * doc/posix-functions/realpath.texi: Update platforms list. Reported by Ryan Schmidt <ryandesign@macports.org>.
39 lines
1.0 KiB
Plaintext
39 lines
1.0 KiB
Plaintext
@node realpath
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@section @code{realpath}
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@findex realpath
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/realpath.html}
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Gnulib module: canonicalize-lgpl
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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, BeOS.
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@item
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This function does not allow for a NULL @samp{resolved} parameter on
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some platforms:
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MacOS X 10.5, FreeBSD 6.4, OpenBSD 4.4, Solaris 10.
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@item
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This function does not always return an absolute path on some
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platforms:
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Solaris 10.
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@item
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This function fails to detect trailing slashes on non-directories on
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some platforms:
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glibc 2.3.5.
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@item
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This function fails to recognize non-directories followed @samp{..} on
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some platforms:
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cygwin.
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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 does not allow to determine the required size of output buffer;
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the use of a non-NULL @samp{resolved} buffer is non-portable, since
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PATH_MAX --- if it is defined --- is nothing more than a guess.
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@end itemize
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