util.c

#define WIN32_LEAN_AND_MEAN
#define WIN32_NO_STATUS
#include <windows.h>
#include <winternl.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#undef WIN32_NO_STATUS
#include <ntstatus.h>

#include "ntdll.h"
#include "util.h"

ULONG VerbosityLevel;

void hexdump(void *ptr, int buflen) {
  unsigned char *buf = (unsigned char*)ptr;
  int i, j;
  for (i=0; i<buflen; i+=16) {
    printf("%06x: ", i);
    for (j=0; j<16; j++) 
      if (i+j < buflen)
        printf("%02x ", buf[i+j]);
      else
        printf("   ");
    printf(" ");
    for (j=0; j<16; j++) 
      if (i+j < buflen)
        printf("%c", isprint(buf[i+j]) ? buf[i+j] : '.');
    printf("\n");
  }
}

// Apparently Microsoft doesn't have mempcpy....?
PVOID mempcpy(PVOID dest, const PVOID src, SIZE_T count)
{
    return (PBYTE)(memcpy(dest, src, count)) + count;
}