rfio_readlink(3) get the content of a symbolic link

SYNOPSIS

#include <sys/types.h>
#include "rfio_api.h"

int rfio_readlink (const char *path, char *buf, int length)

DESCRIPTION

rfio_readlink gets the content of the symbolic link identified by path.

buf content is not null terminated.
Symbolic link content can be truncated to length if buf is too small.

RETURN VALUE

This routine returns the count of bytes placed in buf if the operation was successful or -1 if the operation failed. In the latter case, serrno is set appropriately.

ERRORS

ENOENT
path does not exist.
ENOMEM
Insufficient memory.
EACCES
Search permission is denied on a component of the path prefix.
EFAULT
path or buf is a NULL pointer.
ENOTDIR
A component of the path prefix is not a directory.
EINVAL
path is not a symbolic link or length is not positive.
ENAMETOOLONG
The length of path exceeds CA_MAXPATHLEN or the length of a path component exceeds CA_MAXNAMELEN.
SENOSHOST
Host unknown.
SENOSSERV
Service unknown.
SECOMERR
Communication error.
SEOPNOTSUP
Not supported on Windows.

AUTHOR

LCG Grid Deployment Team