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Rename two directories: headers -> posix-headers, functions -> posix-functions.
author Bruno Haible <bruno@clisp.org>
date Sun, 20 Jan 2008 00:09:59 +0100
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children c83dc7e8df57
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9638
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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1 @node readlink
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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2 @section @code{readlink}
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3 @findex readlink
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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4
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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5 POSIX specification: @url{http://www.opengroup.org/susv3xsh/readlink.html}
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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6
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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7 Gnulib module: readlink
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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8
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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9 Portability problems fixed by Gnulib:
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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10 @itemize
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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11 @item
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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12 This function is missing on some platforms:
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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13 mingw.
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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14 @end itemize
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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15
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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16 Portability problems not fixed by Gnulib:
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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17 @itemize
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18 @item
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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19 When @code{readlink} is called on a directory: In the case of NFS mounted
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20 directories, Cygwin sets @code{errno} to @code{ENOENT} or @code{EIO} instead of
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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21 @code{EINVAL}. To avoid this problem, check for a directory before calling
070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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22 @code{readlink}.
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23 @item
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24 When @code{readlink} is called on a file that is not a symbolic link:
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25 Irix may set @code{errno} to @code{ENXIO} instead of @code{EINVAL}. Cygwin
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26 may set errno to @code{EACCES} instead of @code{EINVAL}.
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27 @end itemize