#!env python

# Convert a file to a c array
# bin2carray <output file> <input file>

import os
import os.path
import sys

if len(sys.argv) < 3:
	sys.exit(-1)

source_file = sys.argv[2]
dest_file = sys.argv[1]

print("%s --> %s" % (source_file, dest_file))

with open(source_file, "rb") as src:
	data = src.read()

with open(dest_file, "w") as dest:
	header_guard = "__" + os.path.basename(dest_file).replace('.', '_').replace('-', '_') + "_H__"
	dest.write("#ifndef %s\n" % (header_guard))
	dest.write("#define %s\n" % (header_guard))
	dest.write("static const char binary_blob[%d] = {\n" % (len(data)))
	for current,idx in zip(data, range(len(data))):
		if ((idx+1) % 4 == 0):
			dest.write(hex(current)+",\n")
		else:
			dest.write(hex(current)+",")

	dest.write("};\n")
	dest.write("#endif /* %s */\n" % (header_guard))

sys.exit(0)