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Fix handling of MOBI files created with earlier versions of mobigen

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This commit is contained in:
Kovid Goyal 2008-02-24 19:37:21 +00:00
parent 7a3de8a3dd
commit b187f4d46b
1 changed files with 3 additions and 1 deletions
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4
src/libprs500/ebooks/mobi/reader.py
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@ -101,15 +101,17 @@ class BookHeader(object):
except IndexError, KeyError:
raise MobiError('Unknown codepage: %d'%self.codepage)
if ident == 'TEXTREAD':
if ident == 'TEXTREAD' or self.length < 0xF4:
self.extra_flags = 0
else:
self.extra_flags, = struct.unpack('>L', raw[0xF0:0xF4])
if self.compression_type == 'DH':
self.huff_offset, self.huff_number = struct.unpack('>LL', raw[0x70:0x78])
self.exth_flag, = struct.unpack('>L', raw[0x80:0x84])
self.exth = None
if self.exth_flag & 0x40:
self.exth = EXTHHeader(raw[16+self.length:], self.codec)