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3bb4c8b613
Now that all tests are converted over to the higher level wrapper functions, the back compat imports from utils.py are redundant. Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-ID: <20241217155953.3950506-28-berrange@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
32 lines
775 B
Python
32 lines
775 B
Python
# Utilities for python-based QEMU tests
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#
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# Copyright 2024 Red Hat, Inc.
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#
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# Authors:
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# Thomas Huth <thuth@redhat.com>
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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import os
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"""
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Round up to next power of 2
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"""
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def pow2ceil(x):
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return 1 if x == 0 else 2**(x - 1).bit_length()
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def file_truncate(path, size):
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if size != os.path.getsize(path):
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with open(path, 'ab+') as fd:
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fd.truncate(size)
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"""
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Expand file size to next power of 2
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"""
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def image_pow2ceil_expand(path):
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size = os.path.getsize(path)
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size_aligned = pow2ceil(size)
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if size != size_aligned:
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with open(path, 'ab+') as fd:
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fd.truncate(size_aligned)
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