ReadStructFromUserHelper function (usermode_accessors.h)

The ReadStructFromUserHelper function is a helper function that safely reads a structure of a specified size from user-mode memory.

Syntax

FORCEINLINE
NTSTATUS
ReadStructFromUserHelper (
    _Out_ PVOID Destination,
    _In_ const PVOID Source,
    _In_ SIZE_T Length
    );

Parameters

Destination

[out] A pointer to the buffer that receives the data read from user-mode memory.

Source

[in] A pointer to the user-mode memory ___location from which to read the data.

Size

[in] The size, in bytes, of the data to read.

Return value

None

Remarks

This function is a helper function used internally by the user-mode accessor functions. It provides optimized reading of structures from user-mode memory based on the structure size.

Requirements

See also

ReadStructFromUser

ReadStructFromUserAligned