| 33,43 → 33,45 |
|---|
| import sys |
| import os |
| import struct |
| import xstruct |
| |
| HEADER = xstruct.convert("little: char[5]") |
| DENTRY = xstruct.convert("little: uint8_t uint32_t") |
| SIZE = xstruct.convert("little: uint32_t") |
| |
| DENTRY_NONE = 0 |
| DENTRY_FILE = 1 |
| DENTRY_DIRECTORY = 2 |
| |
| def usage(prname): |
| "Print usage syntax" |
| print prname + " <ALIGNMENT> <PATH> <IMAGE>" |
| print prname + " <PATH> <IMAGE>" |
| |
| def recursion(root, outf): |
| "Recursive directory walk" |
| |
| payload_size = 0 |
| |
| for name in os.listdir(root): |
| canon = os.path.join(root, name) |
| |
| if (os.path.isfile(canon)): |
| outf.write(struct.pack("<BL" + ("%d" % len(name)) + "s", 1, len(name), name)) |
| payload_size += 5 + len(name) |
| outf.write(struct.pack(DENTRY, DENTRY_FILE, len(name))) |
| outf.write(xstruct.little_string(name)) |
| size = os.path.getsize(canon) |
| rd = 0; |
| outf.write(struct.pack("<L", size)) |
| payload_size += 4 |
| outf.write(struct.pack(SIZE, size)) |
| |
| inf = file(canon, "r") |
| while (rd < size): |
| data = inf.read(4096); |
| outf.write(data) |
| payload_size += len(data) |
| rd += len(data) |
| inf.close() |
| |
| 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 |
| |
| return payload_size |
| outf.write(struct.pack(DENTRY, DENTRY_DIRECTORY, len(name))) |
| outf.write(xstruct.little_string(name)) |
| recursion(canon, outf) |
| outf.write(struct.pack(DENTRY, DENTRY_NONE, 0)) |
| |
| def main(): |
| if (len(sys.argv) < 3): |
| 83,9 → 85,9 |
|---|
| |
| outf = file(sys.argv[2], "w") |
| |
| outf.write(struct.pack("<5s", "TMPFS")) |
| outf.write(struct.pack(HEADER, "TMPFS")) |
| recursion(path, outf) |
| outf.write(struct.pack("<BL", 0, 0)) |
| outf.write(struct.pack(DENTRY, DENTRY_NONE, 0)) |
| |
| outf.close() |
| |