FNFCIREAD macro (fci.h)

2024-02-22

The FNFCIREAD macro provides the declaration for the application-defined callback function to read data from a file in an FCI context.

Syntax

void FNFCIREAD(
   fn
);

Parameters

fn

An application-defined value used to identify the open file.

Return value

None

Remarks

The function accepts parameters similar to _read with the addition to err and pv.

Examples

FNFCIREAD(fnFileRead)
{
    DWORD dwBytesRead = 0;

    UNREFERENCED_PARAMETER(pv);

    if( ReadFile((HANDLE)hf, memory, cb, &dwBytesRead, NULL) == FALSE )
    {
        dwBytesRead = (DWORD)-1;
        *err = GetLastError();
    }
         
    return dwBytesRead;
}

Requirements

Requirement	Value
Target Platform	Windows
Header	fci.h

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