FreeRDP/channels/drive/client/statvfs.c

58 lines
1.9 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* statvfs emulation for 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 <string.h>
#include <malloc.h>
#include <winpr/crt.h>
#include <winpr/windows.h>
#include "statvfs.h"
int statvfs(const char *path, struct statvfs *buf)
{
BOOL res;
int len;
LPWSTR unicodestr;
DWORD lpSectorsPerCluster;
DWORD lpBytesPerSector;
DWORD lpNumberOfFreeClusters;
DWORD lpTotalNumberOfClusters;
len = MultiByteToWideChar(CP_ACP, 0, path, -1, NULL, 0);
unicodestr = (LPWSTR) malloc(len);
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;
}