git.mutantstargoat.com Git - lugburz/blob - src/debug.c

   1 #include <stdio.h>
   2 #include <ctype.h>
   3 #include "debug.h"
   4
   5 void memdump(void *ptr, int len)
   6 {
   7         int i;
   8         unsigned char *p = ptr;
   9
  10         while(len > 0) {
  11                 printf("%06lx ", (unsigned long)p);
  12                 for(i=0; i<16; i++) {
  13                         if(len - i <= 0) {
  14                                 printf("   ");
  15                         } else {
  16                                 printf(" %02x", (unsigned int)p[i]);
  17                         }
  18                         if((i & 7) == 7) putchar(' ');
  19                 }
  20                 printf(" |");
  21                 for(i=0; i<16; i++) {
  22                         if(len - i <= 0) {
  23                                 putchar(' ');
  24                         } else {
  25                                 putchar(isprint(p[i]) ? p[i] : '.');
  26                         }
  27                 }
  28                 printf("|\n");
  29                 len -= 16;
  30                 p += 16;
  31         }
  32 }