NAME
dpns_readlink - read value of a symbolic link in the DPNS Name Server
SYNOPSIS
#include <sys/types.h>
#include "dpns_api.h"
int dpns_readlink (const char *path, char *buf, size_t bufsiz)
DESCRIPTION
dpns_readlink reads the value of a symbolic link in the DPNS Name
Server.
path specifies the link name relative to the current DPNS directory
or the full DPNS pathname.
buf points at a buffer to receive the value.
bufsiz gives the buffer size.
RETURN VALUE
This routine returns the number of characters put in the buffer if the
operation was successful or -1 if the operation failed. In the latter
case, serrno is set appropriately.
ERRORS
ENOENT The named link does not exist or is a null pathname.
EACCES Search permission is denied on a component of the path
prefix.
EFAULT path or buf is a NULL pointer.
ENOTDIR A component of path prefix is not a directory.
EINVAL path is not a symbolic link.
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.
ENSNACT Name server is not running or is being shutdown.
SEE ALSO
Castor_limits(4), dpns_chdir(3), dpns_stat(3), dpns_statg(3),
dpns_symlink(3)
AUTHOR
LCG Grid Deployment Team