| 32,26 → 32,34 |
|---|
| |
| import sys |
| import os |
| import struct |
| import xstruct |
| |
| HEADER = xstruct.convert("little: " |
| "char[5] /* 'TMPFS' */ " |
| ) |
| HEADER = """little: |
| char[5] tag /* 'TMPFS' */ |
| """ |
| |
| DENTRY = xstruct.convert("little: " |
| "uint8_t /* NONE, FILE or DIRECTORY */ " |
| "uint32_t /* filename length */ " |
| ) |
| DENTRY_NONE = """little: |
| uint8_t kind /* NONE */ |
| uint32_t fname_len /* 0 */ |
| """ |
| |
| SIZE = xstruct.convert("little: " |
| "uint32_t /* file size */ " |
| ) |
| DENTRY_FILE = """little: |
| uint8_t kind /* FILE */ |
| uint32_t fname_len /* filename length */ |
| char[%d] fname /* filename */ |
| uint32_t flen /* file length */ |
| """ |
| |
| DENTRY_NONE = 0 |
| DENTRY_FILE = 1 |
| DENTRY_DIRECTORY = 2 |
| DENTRY_DIRECTORY = """little: |
| uint8_t kind /* DIRECTORY */ |
| uint32_t fname_len /* filename length */ |
| char[%d] fname /* filename */ |
| """ |
| |
| TMPFS_NONE = 0 |
| TMPFS_FILE = 1 |
| TMPFS_DIRECTORY = 2 |
| |
| def usage(prname): |
| "Print usage syntax" |
| print prname + " <PATH> <IMAGE>" |
| 63,13 → 71,18 |
|---|
| canon = os.path.join(root, name) |
| |
| if (os.path.isfile(canon)): |
| 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(SIZE, size)) |
| |
| dentry = xstruct.create(DENTRY_FILE % len(name)) |
| dentry.kind = TMPFS_FILE |
| dentry.fname_len = len(name) |
| dentry.fname = name |
| dentry.flen = size |
| |
| outf.write(dentry.pack()) |
| |
| inf = file(canon, "r") |
| rd = 0; |
| while (rd < size): |
| data = inf.read(4096); |
| outf.write(data) |
| 77,10 → 90,20 |
|---|
| inf.close() |
| |
| if (os.path.isdir(canon)): |
| outf.write(struct.pack(DENTRY, DENTRY_DIRECTORY, len(name))) |
| outf.write(xstruct.little_string(name)) |
| dentry = xstruct.create(DENTRY_DIRECTORY % len(name)) |
| dentry.kind = TMPFS_DIRECTORY |
| dentry.fname_len = len(name) |
| dentry.fname = name |
| |
| outf.write(dentry.pack()) |
| |
| recursion(canon, outf) |
| outf.write(struct.pack(DENTRY, DENTRY_NONE, 0)) |
| |
| dentry = xstruct.create(DENTRY_NONE) |
| dentry.kind = TMPFS_NONE |
| dentry.fname_len = 0 |
| |
| outf.write(dentry.pack()) |
| |
| def main(): |
| if (len(sys.argv) < 3): |
| 94,11 → 117,20 |
|---|
| |
| outf = file(sys.argv[2], "w") |
| |
| outf.write(struct.pack(HEADER, "TMPFS")) |
| header = xstruct.create(HEADER) |
| header.tag = "TMPFS" |
| |
| outf.write(header.pack()) |
| |
| recursion(path, outf) |
| outf.write(struct.pack(DENTRY, DENTRY_NONE, 0)) |
| |
| |
| dentry = xstruct.create(DENTRY_NONE) |
| dentry.kind = TMPFS_NONE |
| dentry.fname_len = 0 |
| |
| outf.write(dentry.pack()) |
| |
| outf.close() |
| |
| |
| if __name__ == '__main__': |
| main() |