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#! /usr/bin/env python3
# Copyright (c) 2008, 2017 Nicira, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
from ovs_build_helpers import soutil
def soexpand(include_dirs, src, dst):
ok = True
while True:
line = src.readline()
if not line:
break
name = soutil.extract_include_directive(line)
if name:
fn = soutil.find_file(include_dirs, name)
if fn:
try:
f = open(fn)
while True:
inner = f.readline()
if not inner:
break
dst.write(inner)
except IOError as e:
sys.stderr.write("%s: open: %s\n" % (fn, e.strerror))
ok = False
continue
else:
ok = False
dst.write(line)
return ok
if __name__ == '__main__':
include_dirs, args = soutil.parse_include_dirs()
if args:
error = False
for arg in args:
if not soexpand(include_dirs, open(arg), sys.stdout):
error = True
else:
error = not soexpand(include_dirs, sys.stdin, sys.stdout)
sys.exit(1 if error else 0)
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