DPNS_OPENDIRG
Section: DPNS Library Functions (3)
Updated: $Date: 2005/11/22 15:59:39 $
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NAME
dpns_opendir - open a DPNS directory, having the specified GUID, in the name server
SYNOPSIS
#include <sys/types.h>
#include "dpns_api.h"
dpns_DIR *dpns_opendir (const char *path,
const char *guid)
dpns_DIR *dpns_opendirxg (char *server,
const char *path,
const char *guid)
DESCRIPTION
dpns_opendir
opens a DPNS directory, having the specified GUID, in the name server to be used in subsequent
dpns_readdir
operations.
A
dpns_DIR
structure and a buffer to cache the directory entries are allocated in the
client API.
- guid
-
specifies the Grid Unique IDentifier.
- path
-
specifies the logical pathname relative to the current DPNS directory or
the full DPNS pathname.
RETURN VALUE
This routine returns a pointer to be used in the subsequent directory
function calls if the operation was successful or NULL if the operation
failed. In the latter case,
serrno
is set appropriately.
ERRORS
- ENOENT
-
A component of
path
prefix does not exist or
path
is a null pathname.
- EACCES
-
Search permission is denied on a component of the
path
prefix or read permission is denied on
path.
- EFAULT
-
path
is a NULL pointer.
- EINVAL
-
The length of the
guid
component exceeds
CA_MAXGUIDLEN.
- ENOTDIR
-
A component of
path
prefix is not a directory.
- 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_closedir(3),
dpns_readdir(3),
dpns_rewinddir(3)
AUTHOR
LCG Grid Deployment Team