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Fix #1279: correctly decrement remaining bytes while reading LIT directory chunks.

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This commit is contained in:
Marshall T. Vandegrift 2008-11-17 23:04:06 -05:00
commit e349723e68
1 changed files with 3 additions and 1 deletions
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4
src/calibre/ebooks/lit/reader.py
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@ -557,7 +557,9 @@ def _read_directory(self, piece):
if namelen > remaining - 3:
raise LitError('Read past end of directory chunk')
try:
name, chunk = chunk[:namelen].decode('utf-8'), chunk[namelen:]
name = chunk[:namelen].decode('utf-8')
chunk = chunk[namelen:]
remaining -= namelen
except UnicodeDecodeError:
break
section, chunk, remaining = encint(chunk, remaining)