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fix potential hangs if index entries were corrupt

master
szaka 2008-05-28 18:49:44 +00:00
parent 9d3cc4b907
commit e5ce8d18d3
1 changed files with 4 additions and 2 deletions
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6
libntfs-3g/index.c
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@ -220,7 +220,7 @@ static u8 *ntfs_ie_get_end(INDEX_HEADER *ih)
static int ntfs_ie_end(INDEX_ENTRY *ie)
{
return ie->ie_flags & INDEX_ENTRY_END;
return ie->ie_flags & INDEX_ENTRY_END || !ie->length;
}
/**
@ -301,11 +301,13 @@ static int ntfs_ih_numof_entries(INDEX_HEADER *ih)
{
int n;
INDEX_ENTRY *ie;
u8 *end;
ntfs_log_trace("Entering\n");
end = ntfs_ie_get_end(ih);
ie = ntfs_ie_get_first(ih);
for (n = 0; !ntfs_ie_end(ie); n++)
for (n = 0; !ntfs_ie_end(ie) && (u8 *)ie < end; n++)
ie = ntfs_ie_get_next(ie);
return n;
}