0,0 → 1,136 |
#!/usr/bin/env python |
# |
# Copyright (c) 2008 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
""" |
TMPFS creator |
""" |
|
import sys |
import os |
import xstruct |
|
HEADER = """little: |
char tag[5] /* 'TMPFS' */ |
""" |
|
DENTRY_NONE = """little: |
uint8_t kind /* NONE */ |
uint32_t fname_len /* 0 */ |
""" |
|
DENTRY_FILE = """little: |
uint8_t kind /* FILE */ |
uint32_t fname_len /* filename length */ |
char fname[%d] /* filename */ |
uint32_t flen /* file length */ |
""" |
|
DENTRY_DIRECTORY = """little: |
uint8_t kind /* DIRECTORY */ |
uint32_t fname_len /* filename length */ |
char fname[%d] /* filename */ |
""" |
|
TMPFS_NONE = 0 |
TMPFS_FILE = 1 |
TMPFS_DIRECTORY = 2 |
|
def usage(prname): |
"Print usage syntax" |
print prname + " <PATH> <IMAGE>" |
|
def recursion(root, outf): |
"Recursive directory walk" |
|
for name in os.listdir(root): |
canon = os.path.join(root, name) |
|
if (os.path.isfile(canon)): |
size = os.path.getsize(canon) |
|
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) |
rd += len(data) |
inf.close() |
|
if (os.path.isdir(canon)): |
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) |
|
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]) |
return |
|
path = os.path.abspath(sys.argv[1]) |
if (not os.path.isdir(path)): |
print "<PATH> must be a directory" |
return |
|
outf = file(sys.argv[2], "w") |
|
header = xstruct.create(HEADER) |
header.tag = "TMPFS" |
|
outf.write(header.pack()) |
|
recursion(path, outf) |
|
dentry = xstruct.create(DENTRY_NONE) |
dentry.kind = TMPFS_NONE |
dentry.fname_len = 0 |
|
outf.write(dentry.pack()) |
|
outf.close() |
|
if __name__ == '__main__': |
main() |
Property changes: |
Added: svn:executable |
+* |
\ No newline at end of property |