Verifies that a buffer pointer is a valid pointer and has access rights to the memory it references.

BOOLEAN ValidateRtBuffer(
    LPVOID pBuffer,
    DWORD cbSize,
    DWORD dwFlags
);

Parameters

pBuffer

Pointer to buffer under test.

cbSize

The number of bytes in the buffer.

dwFlags

Valid values include:

BUFFER_WRITABLE	Verify that this buffer is writable across the defined range.
BUFFER_READONLY	Verify that this buffer is readable across the defined range.

Return Values

TRUE

Success.

FALSE

Failure. To determine the status, call GetLastRtError.

Status

E_BAD_ADDR

pBuffer does not refer to a location inside the process' VSEG, or BUFFER_WRITABLE was specified and one or more pages of the range are read-only.

E_NOT_ALLOCATED

There are pages missing within the range specified.

Requirements

See Also

Memory management system calls