#include <stdio.h>
#include <ctype.h>

#include "utility.h"

void dumpBytes(FILE *stream, unsigned char * startAddr, int numBytes)
{
   int lines = numBytes / 16;
   int remain = numBytes % 16;
   
   int i, j;
   unsigned char *ptr, *begin;
   unsigned int *wptr;
   
   wptr = (unsigned int *)startAddr;
   ptr  = startAddr;
   
   for (i = 0; i < lines; i++) {
      for (j=0; j < 4; j++) {
        fprintf(stream, "%8.8lx ", (unsigned long)*wptr);
        wptr++;
      }
      fprintf(stream, "  ");
      for (j=0; j<16; j++) {
         if (isalnum(*ptr)) fprintf(stream, "%c", *ptr);
         else fprintf(stream, ".", *ptr);
         ptr++;
      }
      fprintf(stream, "\n");
   }
   
   if (!remain) return;
   
   int words = remain / 4;
   int left = remain % 4;
   for (j=0; j<words; j++) {
     fprintf(stream, "%8.8lx ", (unsigned long)*wptr);
     wptr++;
   }
   unsigned char * bptr = (unsigned char *)wptr;
   for (j = 0; j < left; j++) {
      fprintf(stream, "%2.2x", *bptr);
      bptr++;
   }
   int numprinted = 9 * words + 2 * left;
   int numspaces = (9 * 4 + 2) - numprinted;
   for (i = 0; i < numspaces; i++) {
      fprintf(stream, " ");
   }
   for (j=0; j<remain; j++) {
      if (isalnum(*ptr)) fprintf(stream, "%c", *ptr);
      else fprintf(stream, ".", *ptr);
      ptr++;
   }
   fprintf(stream, "\n");
   
}