- sprintf(tmp, "%s| %s", sprint_hex(data, max_len) , data);
+
+ sprintf(tmp, "%s| ", sprint_hex(data, max_len) );
+
+ size_t i = 0;
+ size_t pos = (max_len * 3)+2;
+ while(i < max_len){
+ char c = data[i];
+ if ( (c < 32) || (c == 127))
+ c = '.';
+ sprintf(tmp+pos+i, "%c", c);
+ ++i;
+ }