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This commit is contained in:
Kovid Goyal 2012-04-14 08:56:07 +05:30
parent 88397223fe
commit 15aa3fb472
1 changed files with 4 additions and 2 deletions
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6
src/calibre/ebooks/mobi/debug/headers.py
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@ -308,8 +308,10 @@ class MOBIHeader(object): # {{{
self.extra_data_flags = 0
if self.has_extra_data_flags:
self.unknown4 = self.raw[180:192]
self.fdst_idx, self.fdst_count = struct.unpack_from(b'>II',
self.fdst_idx, self.fdst_count = struct.unpack_from(b'>LL',
self.raw, 192)
if self.fdst_count <= 1:
self.fdst_idx = NULL_INDEX
(self.fcis_number, self.fcis_count, self.flis_number,
self.flis_count) = struct.unpack(b'>IIII',
self.raw[200:216])
@ -342,7 +344,7 @@ class MOBIHeader(object): # {{{
'first_non_book_record', 'datp_record_offset', 'fcis_number',
'flis_number', 'primary_index_record', 'fdst_idx',
'first_image_index'):
if hasattr(self, x):
if hasattr(self, x) and getattr(self, x) != NULL_INDEX:
setattr(self, x, self.header_offset+getattr(self, x))
if self.has_exth: