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) |
77,11 → 90,21 |
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): |
usage(sys.argv[0]) |
94,10 → 117,19 |
|
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__': |