#include <stdio.h>
#include <stdlib.h>
#include <nit.h>
#include <ntt.h>

#define ABORT(msg) \
	fprintf(stderr,"%s at %d in %s\n",msg,__LINE__,__FILE__); \
	exit(255);
	
static int result;
static char scratchPad[10];

	
void WalkDirectory(BYTE directoryHandle, void (*func)(BYTE handle))
{
char dirName[16];

int  sequenceNumber;

BYTE newDirectoryHandle;


	sequenceNumber = 0;

	for(;;) {
		result = ScanDirectoryInformation(
								directoryHandle,
								"*",
								&sequenceNumber,
								dirName,
								(BYTE *) scratchPad,
								(long *) scratchPad,
								(BYTE *) scratchPad );

		if (result) return;

		result = AllocTemporaryDirectoryHandle(directoryHandle,dirName,'[',
							 &newDirectoryHandle,scratchPad);
		if (result) {
			ABORT("Couldn't allocate a temporary directory handle");
		}
		
		(*func) (newDirectoryHandle);

		WalkDirectory(newDirectoryHandle,func);

		if (DeallocateDirectoryHandle(newDirectoryHandle)) {
			ABORT("Couldn't deallocate a temporary directory handle");
		}
	}
}