1RFIO_READLINK(3)            Rfio Library Functions            RFIO_READLINK(3)
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NAME

6       rfio_readlink - get the content of a symbolic link
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SYNOPSIS

9       #include <sys/types.h>
10       #include "rfio_api.h"
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12       int rfio_readlink (const char *path, char *buf, int length)
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DESCRIPTION

15       rfio_readlink gets the content of the symbolic link identified by path.
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17       buf content is not null terminated.
18       Symbolic link content can be truncated to length if buf is too small.
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RETURN VALUE

21       This  routine returns the count of bytes placed in buf if the operation
22       was successful or -1 if the operation failed.  In the latter case, ser‐
23       rno is set appropriately.
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ERRORS

26       ENOENT       path does not exist.
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28       ENOMEM       Insufficient memory.
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30       EACCES       Search  permission  is  denied  on a component of the path
31                    prefix.
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33       EFAULT       path or buf is a NULL pointer.
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35       ENOTDIR      A component of the path prefix is not a directory.
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37       EINVAL       path is not a symbolic link or length is not positive.
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39       ENAMETOOLONG The length of path exceeds CA_MAXPATHLEN or the length  of
40                    a path component exceeds CA_MAXNAMELEN.
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42       SENOSHOST    Host unknown.
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44       SENOSSERV    Service unknown.
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46       SECOMERR     Communication error.
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48       SEOPNOTSUP   Not supported on Windows.
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SEE ALSO

51       Castor_limits(4), rfio_symlink(3), rfio_unlink(3)
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AUTHOR

54       LCG Grid Deployment Team
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58LCG                      $Date: 2005/03/31 13:13:03 $         RFIO_READLINK(3)
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