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Fix bad malloc size in statvfs

This commit is contained in:
David PHAM-VAN 2016-02-12 11:32:18 -08:00
parent 4f22682ed2
commit 8ebe5b9930
1 changed files with 8 additions and 5 deletions
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13
channels/drive/client/statvfs.c
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@ -3,6 +3,8 @@
* statvfs emulation for Windows
*
* Copyright 2012 Gerald Richter
* Copyright 2016 Inuvika Inc.
* Copyright 2016 David PHAM-VAN <d.phamvan@inuvika.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -29,17 +31,18 @@ int statvfs(const char *path, struct statvfs *buf)
{
BOOL res;
int len;
LPWSTR unicodestr;
LPWSTR unicodestr = NULL;
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);
len = ConvertToUnicode(CP_ACP, 0, path, -1, &unicodestr, 0);
if (len <= 0)
return -1;
res = GetDiskFreeSpace(unicodestr, &lpSectorsPerCluster, &lpBytesPerSector, &lpNumberOfFreeClusters, &lpTotalNumberOfClusters);
res = GetDiskFreeSpaceW(unicodestr, &lpSectorsPerCluster, &lpBytesPerSector, &lpNumberOfFreeClusters, &lpTotalNumberOfClusters);
free(unicodestr);
buf->f_bsize = lpBytesPerSector; /* file system block size */
buf->f_frsize = 0; /* fragment size */