C / C++ / MFC

«_Superman_» wrote:

As described in the document use the ZeroMemory macro instead of
the function.

//Multiply the sizeof() result by the size of the array
RtlZeroMemory((void *)query_table,sizeof(RTL_QUERY_REGISTRY_TABLE)*2);

Albert Holguin wrote:

//Multiply the sizeof() result by the size of the array
RtlZeroMemory((void *)query_table,sizeof(RTL_QUERY_REGISTRY_TABLE)*2);

Error: expression must have (pointer-to-)function type

#define RtlZeroMemory(Destination,Length) memset((Destination),0,(Length))

ntddk.h, ntifs.h

memset(query_table,0,sizeof(query_table));

Error: expression must have (pointer-to-)function type

ntddk.h, ntifs.h

memset

Error: expression must have (pointer-to-)function type

NTSTATUS DriverEntry (IN PDRIVER_OBJECT   DriverObject,IN PUNICODE_STRING  RegistryPath)
{
    UNICODE_STRING              parameter_path;
    RTL_QUERY_REGISTRY_TABLE    query_table[2];

    parameter_path.Length = 0;
    parameter_path.MaximumLength = RegistryPath->Length + sizeof(PARAMETER_KEY);
    parameter_path.Buffer = (PWSTR) ExAllocatePool(PagedPool, parameter_path.MaximumLength);

    if (parameter_path.Buffer == NULL) return STATUS_INSUFFICIENT_RESOURCES;
    
    RtlCopyUnicodeString(¶meter_path, RegistryPath);
    RtlAppendUnicodeToString(¶meter_path, PARAMETER_KEY);
    
    //Error occurs here...
    RtlZeroMemory(&query_table[0], sizeof(query_table));
    //Error: expression must have (pointer-to-)function type

    query_table[0].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_QUERY_REGISTRY_REQUIRED;
    query_table[0].Name = NUMBEROFDEVICES_VALUE;
    query_table[0].EntryContext = &n_devices;
///...
}

int RtlZeroMemory;

RtlZeroMemory(&query_table[0],sizeof(query_table));

Erudite_Eric wrote:

or doing something else odd in his code.

Richard MacCutchan wrote:

let's hope one of the driver experts sees this question tomorrow