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/* Part of libhgfs - (c) 2009, D.C. van Moolenbroek */
#include "inc.h"
/*===========================================================================*
* hgfs_opendir *
*===========================================================================*/
int hgfs_opendir(const char *path, sffs_dir_t *handle)
{
/* Open a directory. Store a directory handle upon success.
*/
int r;
RPC_REQUEST(HGFS_REQ_OPENDIR);
path_put(path);
if ((r = rpc_query()) != OK)
return r;
*handle = (sffs_dir_t)RPC_NEXT32;
return OK;
}
/*===========================================================================*
* hgfs_readdir *
*===========================================================================*/
int hgfs_readdir(sffs_dir_t handle, unsigned int index, char *buf,
size_t size, struct sffs_attr *attr)
{
/* Read a directory entry from an open directory, using a zero-based index
* number. Upon success, the resulting path name is stored in the given buffer
* and the given attribute structure is filled selectively as requested. Upon
* error, the contents of the path buffer and attribute structure are
* undefined. ENOENT is returned upon end of directory.
*/
int r;
RPC_REQUEST(HGFS_REQ_READDIR);
RPC_NEXT32 = (u32_t)handle;
RPC_NEXT32 = index;
/* EINVAL signifies end of directory. */
if ((r = rpc_query()) != OK)
return (r == EINVAL) ? ENOENT : OK;
attr_get(attr);
if ((r = path_get(buf, size)) != OK)
return r;
/* VMware Player 3 returns an empty name, instead of EINVAL, when reading
* from an EOF position right after opening the directory handle. Seems to be
* a newly introduced bug..
*/
return (!buf[0]) ? ENOENT : OK;
}
/*===========================================================================*
* hgfs_closedir *
*===========================================================================*/
int hgfs_closedir(sffs_dir_t handle)
{
/* Close an open directory.
*/
RPC_REQUEST(HGFS_REQ_CLOSEDIR);
RPC_NEXT32 = (u32_t)handle;
return rpc_query();
}
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