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.
AUTHOR
LCG Grid Deployment Team