dpns_readlink(3) 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.

AUTHOR

LCG Grid Deployment Team