INNER CODE UNIT · Python

main

wolfSSL/wolfBoot · test-app/gen_hdr_c.py:14

def main():
    if "--placeholder" in sys.argv:
        words = [0xFFFF] * N
    else:
        data = open(sys.argv[1], "rb").read()
        if len(data) < 2 * N:
            sys.stderr.write(
                "gen_hdr_c: %s is %d bytes; need at least %d (%d 16-bit words)\n"
                % (sys.argv[1], len(data), 2 * N, N))
            sys.exit(1)
        words = [struct.unpack_from("<H", data, i)[0] for i in range(0, 2 * N, 2)]
    out = sys.argv[sys.argv.index("-o") + 1] if "-o" in sys.argv else "wolfboot_hdr.c"
    with open(out, "w") as f:
        f.write("/* Generated by gen_hdr_c.py - wolfBoot signed header (octet/cell). */\n")
        f.write('#pragma DATA_SECTION(wolfboot_header, ".wolfboot_hdr")\n')
        f.write("const unsigned int wolfboot_header[%d] = {\n" % N)
        for i in range(0, N, 8):
            f.write("    " + ", ".join("0x%04X" % w for w in words[i:i + 8]) + ",\n")

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