42,6 → 42,39 |
"Print usage syntax" |
print prname + " <ALIGNMENT> <PATH> <IMAGE>" |
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def recursion(root, outf): |
"Recursive directory walk" |
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payload_size = 0 |
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for name in os.listdir(root): |
canon = os.path.join(root, name) |
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if (os.path.isfile(canon)): |
outf.write(struct.pack("<BL" + ("%d" % len(name)) + "s", 1, len(name), name)) |
payload_size += 5 + len(name) |
size = os.path.getsize(canon) |
rd = 0; |
outf.write(struct.pack("<L", size)) |
payload_size += 4 |
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inf = file(canon, "r") |
while (rd < size): |
data = inf.read(4096); |
outf.write(data) |
payload_size += len(data) |
rd += len(data) |
inf.close() |
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if (os.path.isdir(canon)): |
outf.write(struct.pack("<BL" + ("%d" % len(name)) + "s", 2, len(name), name)) |
payload_size += 5 + len(name) |
payload_size += recursion(canon, outf) |
outf.write(struct.pack("<BL", 0, 0)) |
payload_size += 5 |
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return payload_size |
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def main(): |
if (len(sys.argv) < 4): |
usage(sys.argv[0]) |
58,41 → 91,22 |
return |
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header_size = align_up(18, align) |
payload_size = 0 |
outf = file(sys.argv[3], "w") |
outf.write(struct.pack("<" + ("%d" % header_size) + "x")) |
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for root, dirs, files in os.walk(path): |
relpath = root[len(path):len(root)] |
for name in files: |
canon = os.path.join(relpath, name) |
outf.write(struct.pack("<BL" + ("%d" % len(canon)) + "s", 1, len(canon), canon)) |
payload_size += 5 + len(canon) |
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fn = os.path.join(root, name) |
size = os.path.getsize(fn) |
rd = 0; |
outf.write(struct.pack("<L", size)) |
payload_size += 4 |
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inf = file(fn, "r") |
while (rd < size): |
data = inf.read(4096); |
outf.write(data) |
payload_size += len(data) |
rd += len(data) |
inf.close() |
outf.write(struct.pack("<5s", "TMPFS")) |
payload_size = 5 |
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payload_size += recursion(path, outf) |
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for name in dirs: |
canon = os.path.join(relpath, name) |
outf.write(struct.pack("<BL" + ("%d" % len(canon)) + "s", 2, len(canon), canon)) |
payload_size += 5 + len(canon) |
outf.write(struct.pack("<BL", 0, 0)) |
payload_size += 5 |
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aligned_size = align_up(payload_size, align) |
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if (aligned_size - payload_size > 0): |
outf.write(struct.pack("<" + ("%d" % (aligned_size - payload_size)) + "x")) |
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outf.seek(0) |
outf.write(struct.pack("<4sBBLQ", "HORD", 1, 1, header_size, aligned_size)) |
outf.close() |