03514ba605
Patch submitted by hoefnix. Ref. https://groups.google.com/d/msg/minix-dev/sHQDVJRyx1c/eJjrYOqk5bgJ Change-Id: I2fcdf4cf119ef252ccc7df06849baf37ffd08440
72 lines
2 KiB
C
72 lines
2 KiB
C
/* Part of libhgfs - (c) 2009, D.C. van Moolenbroek */
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#include "inc.h"
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/*===========================================================================*
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* hgfs_opendir *
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*===========================================================================*/
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int hgfs_opendir(char *path, sffs_dir_t *handle)
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{
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/* Open a directory. Store a directory handle upon success.
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*/
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int r;
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RPC_REQUEST(HGFS_REQ_OPENDIR);
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path_put(path);
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if ((r = rpc_query()) != OK)
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return r;
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*handle = (sffs_dir_t)RPC_NEXT32;
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return OK;
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}
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/*===========================================================================*
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* hgfs_readdir *
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*===========================================================================*/
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int hgfs_readdir(sffs_dir_t handle, unsigned int index, char *buf,
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size_t size, struct sffs_attr *attr)
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{
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/* Read a directory entry from an open directory, using a zero-based index
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* number. Upon success, the resulting path name is stored in the given buffer
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* and the given attribute structure is filled selectively as requested. Upon
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* error, the contents of the path buffer and attribute structure are
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* undefined. ENOENT is returned upon end of directory.
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*/
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int r;
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RPC_REQUEST(HGFS_REQ_READDIR);
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RPC_NEXT32 = (u32_t)handle;
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RPC_NEXT32 = index;
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/* EINVAL signifies end of directory. */
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if ((r = rpc_query()) != OK)
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return (r == EINVAL) ? ENOENT : OK;
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attr_get(attr);
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if ((r = path_get(buf, size)) != OK)
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return r;
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/* VMware Player 3 returns an empty name, instead of EINVAL, when reading
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* from an EOF position right after opening the directory handle. Seems to be
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* a newly introduced bug..
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*/
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return (!buf[0]) ? ENOENT : OK;
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}
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/*===========================================================================*
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* hgfs_closedir *
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*===========================================================================*/
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int hgfs_closedir(sffs_dir_t handle)
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{
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/* Close an open directory.
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*/
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RPC_REQUEST(HGFS_REQ_CLOSEDIR);
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RPC_NEXT32 = (u32_t)handle;
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return rpc_query();
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}
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