DPNS_READLINK
Section: DPNS Library Functions (3)
Updated: $Date: 2004/06/28 09:46:55 $
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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