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c2d0d784c7
- Create a branch to do a proper merge of USB work from a trunk base instead of from cmake-bringup - In the future, DO NOT under any circumstances branch another branch. This leads to merge problems! svn path=/branches/usb-bringup-trunk/; revision=55018
52 lines
846 B
C
52 lines
846 B
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: File Management IFS Utility functions
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* FILE: reactos/dll/win32/fmifs/compress.c
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* PURPOSE: Volume compression
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*
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* PROGRAMMERS: Emanuele Aliberti
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*/
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#include "precomp.h"
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/*
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* @implemented
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*/
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BOOLEAN NTAPI
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EnableVolumeCompression(
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IN PWCHAR DriveRoot,
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IN USHORT Compression)
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{
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HANDLE hFile;
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DWORD RetBytes;
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BOOL Ret;
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hFile = CreateFileW(
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DriveRoot,
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FILE_READ_DATA | FILE_WRITE_DATA,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_FLAG_BACKUP_SEMANTICS,
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NULL);
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if (hFile == INVALID_HANDLE_VALUE)
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return FALSE;
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Ret = DeviceIoControl(
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hFile,
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FSCTL_SET_COMPRESSION,
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&Compression,
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sizeof(USHORT),
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NULL,
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0,
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&RetBytes,
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NULL);
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CloseHandle(hFile);
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return (Ret != 0);
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}
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/* EOF */
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