rewitt1

***********************************************
Example of the error asan gives when you run an app linked against it and use LD_PRELOAD
***********************************************
LD_PRELOAD=./test/libmock_syscalls.so ./src/myapp
==34946==ASan runtime does not come first in initial library list; you should either link runtime to your application or manually preload it with LD_PRELOAD.

***********************************************
Example of how you can make asan happy
***********************************************
LD_PRELOAD=libasan.so.5:./test/libmock_syscalls.so ./src/myapp

rewitt1

#!/usr/bin/env python

# webhook.py
#
# Copyright (C) 2016 Intel Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#

rewitt1

import logging

ch = logging.StreamHandler()
formatter = logging.Formatter('%(levelname)s:%(message)s')
ch.setFormatter(formatter)

logger = logging.getLogger(__name__)
logger.addHandler(ch)

rewitt1

def _safe_append(filename, workspacedir, data):
    """Safely add data to a file to prevent corruption in the case of """
    """power failure. """
    fd, tmp = tempfile.mkstemp(prefix='tmpfile', dir=workspacedir)
    try:
        # close it and open it again so that "with" can be used
        os.close(fd)
        shutil.copyfile(filename, tmp)
        with open(tmp, 'a') as f:
            f.write(data)