NAME¶

rfio_readlink - 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.

SEE ALSO¶

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

AUTHOR¶

LCG Grid Deployment Team