48 lines
1 KiB
C
48 lines
1 KiB
C
#include <windows.h>
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#include <stdio.h>
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#include <winioctl.h>
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#include <ntddvol.h>
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void __cdecl
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main(
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int argc,
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char** argv
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)
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{
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WCHAR driveName[7];
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HANDLE h;
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BOOL b;
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DWORD bytes;
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if (argc != 2) {
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printf("usage: %s drive:\n", argv[0]);
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return;
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}
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driveName[0] = '\\';
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driveName[1] = '\\';
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driveName[2] = '.';
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driveName[3] = '\\';
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driveName[4] = argv[1][0];
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driveName[5] = ':';
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driveName[6] = 0;
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h = CreateFileW(driveName, GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL, OPEN_EXISTING, 0, INVALID_HANDLE_VALUE);
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if (h == INVALID_HANDLE_VALUE) {
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printf("Open of drive %c: failed with %d\n", argv[1][0], GetLastError());
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return;
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}
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b = DeviceIoControl(h, IOCTL_VOLUME_ONLINE, NULL, 0, NULL, 0, &bytes,
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NULL);
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if (b) {
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printf("Online succeeded.\n");
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} else {
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printf("Online failed with %d\n", GetLastError());
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}
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}
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