Home | History | Annotate | Download | only in externalfuzzers 
      1 #!/usr/bin/env python
      2 
      3 import os, sys, mmap
      4 from random import randint
      5 
      6 CAP = 0x20
      7 RANDADDMAX = 0x20
      8 
      9 with open(sys.argv[1], "r+b") as f:
     10   map = mmap.mmap(f.fileno(), 0)
     11   for index, char in enumerate(map):
     12     if ord(char) < CAP:
     13       map[index] = chr(ord(char) + randint(0, RANDADDMAX))
     14   map.close()
     15