michael@0: # This Source Code Form is subject to the terms of the Mozilla Public
michael@0: # License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0: # file, You can obtain one at http://mozilla.org/MPL/2.0/.
michael@0: 
michael@0: import sys
michael@0: import binascii
michael@0: 
michael@0: def file_byte_generator(filename, block_size = 512):
michael@0:   with open(filename, "rb") as f:
michael@0:     while True:
michael@0:       block = f.read(block_size)
michael@0:       if block:
michael@0:         for byte in block:
michael@0:           yield byte
michael@0:       else:
michael@0:         break
michael@0: 
michael@0: def create_header(array_name, in_filename):
michael@0:   hexified = ["0x" + binascii.hexlify(byte) for byte in file_byte_generator(in_filename)]
michael@0:   print "const uint8_t " + array_name + "[] = {"
michael@0:   print ", ".join(hexified)
michael@0:   print "};"
michael@0:   return 0
michael@0: 
michael@0: if __name__ == '__main__':
michael@0:   if len(sys.argv) < 3:
michael@0:     print 'ERROR: usage: gen_cert_header.py array_name in_filename'
michael@0:     sys.exit(1);
michael@0:   sys.exit(create_header(sys.argv[1], sys.argv[2]))