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fatfsgen.py: fixed missing NULL terminator

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This commit is contained in:
Martin Gaňo
2022-09-13 20:09:40 +02:00
parent 719ff3392e
commit 131b28314e
3 changed files with 9 additions and 7 deletions
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7
components/fatfs/fatfs_utils/utils.py
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@@ -119,14 +119,11 @@ def lfn_checksum(short_entry_name: str) -> int:
def convert_to_utf16_and_pad(content: str,
expected_size: int,
pad: bytes = FULL_BYTE,
terminator: bytes = b'\x00\x00') -> bytes:
pad: bytes = FULL_BYTE) -> bytes:
# we need to get rid of the Byte order mark 0xfeff or 0xfffe, fatfs does not use it
bom_utf16: bytes = b'\xfe\xff'
encoded_content_utf16: bytes = content.encode(LONG_NAMES_ENCODING)[len(bom_utf16):]
terminated_encoded_content_utf16: bytes = (encoded_content_utf16 + terminator) if (2 * expected_size > len(
encoded_content_utf16) > 0) else encoded_content_utf16
return terminated_encoded_content_utf16.ljust(2 * expected_size, pad)
return encoded_content_utf16.ljust(2 * expected_size, pad)
def split_to_name_and_extension(full_name: str) -> Tuple[str, str]: