IOCTL_DISK_IS_WRITABLE - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// ntdddisk.h

// CTL_CODE(0x0007, 0x009, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_IS_WRITABLE 0x00070024

View the official Windows Driver Kit DDI reference
// winioctl.h

// CTL_CODE(0x0007, 0x009, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_IS_WRITABLE 0x00070024

View the official Win32 API reference

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Windows Driver Kit DDI reference (ni-ntdddisk-ioctl_disk_is_writable)

IOCTL_DISK_IS_WRITABLE IOCTL

Description

Determines whether a disk is writable.

Parameters

Major code

Input buffer

None.

Input buffer length

None.

Output buffer

None.

Output buffer length

None.

Input/output buffer

Input/output buffer length

Status block

The Information field is set to zero. The Status field can be set to STATUS_SUCCESS, or possibly to STATUS_INSUFFICIENT_RESOURCES, STATUS_IO_DEVICE_ERROR, or STATUS_MEDIA_WRITE_PROTECTED.

View the official Windows Driver Kit DDI reference

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Win32 API reference (ni-winioctl-ioctl_disk_is_writable)

IOCTL_DISK_IS_WRITABLE IOCTL

Description

Determines whether the specified disk is writable.

To perform this operation, call the DeviceIoControl function with the following parameters.

BOOL DeviceIoControl(
  (HANDLE) hDevice,             // handle to device
  IOCTL_DISK_IS_WRITABLE,       // dwIoControlCode
  NULL,                         // lpInBuffer
  0,                            // nInBufferSize
  NULL,                         // lpOutBuffer
  0,                            // nOutBufferSize
  (LPDWORD) lpBytesReturned,    // number of bytes returned
  (LPOVERLAPPED) lpOverlapped   // OVERLAPPED structure
);

Parameters

Input buffer

Input buffer length

Output buffer

Output buffer length

Input/output buffer

Input/output buffer length

Status block

Irp->IoStatus.Status is set to STATUS_SUCCESS if the request is successful.

Otherwise, Status to the appropriate error condition as a NTSTATUS code.

For more information, see NTSTATUS Values.

See also

View the official Win32 API reference

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