/**
 * FreeRDP: A Remote Desktop Protocol client.
 * statvfs emulation für windows
 *
 * Copyright 2012 Gerald Richter
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "statvfs.h"
#include <windows.h>
#include <string.h>
#include <malloc.h>

#ifdef __cplusplus
extern "C" { 
#endif 
 
int statvfs(const char *path, struct statvfs *buf)
    {
	DWORD lpSectorsPerCluster;
	DWORD lpBytesPerSector;
	DWORD lpNumberOfFreeClusters;
	DWORD lpTotalNumberOfClusters;
	
	BOOL res;

	int len = MultiByteToWideChar(CP_ACP, 0, path, -1, NULL, 0);
	LPWSTR unicodestr = (LPWSTR)malloc(len); // free() nicht vergessen!
	MultiByteToWideChar(CP_ACP, 0, path, -1, unicodestr, len);

	res = GetDiskFreeSpace(unicodestr,
		&lpSectorsPerCluster,
		&lpBytesPerSector,
		&lpNumberOfFreeClusters,
		&lpTotalNumberOfClusters);

	
    buf->f_bsize = lpBytesPerSector;    				/* file system block size */
    buf->f_frsize=0;   									/* fragment size */
    buf->f_blocks=lpTotalNumberOfClusters;   			/* size of fs in f_frsize units */
    buf->f_bfree=lpNumberOfFreeClusters;    			/* # free blocks */
    buf->f_bavail=lpNumberOfFreeClusters;   			/* # free blocks for unprivileged users */
    buf->f_files=0;   									/* # inodes */
    buf->f_ffree=0;    									/* # free inodes */
    buf->f_favail=0;   									/* # free inodes for unprivileged users */
    buf->f_fsid=lpNumberOfFreeClusters & 0xffff;     	/* file system ID */
    buf->f_flag=0;     									/* mount flags */
    buf->f_namemax=250;  								/* maximum filename length */
	
	return res;
    }
    
#ifdef __cplusplus
} 
#endif