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