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Add type check for Size in trailer. Fixes #77

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This commit is contained in:
Gunnsteinn Hall 2017-07-21 14:18:35 +00:00
parent 5f506b7427
commit 1769c68234
1 changed files with 2 additions and 2 deletions
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4
pdf/core/parser.go
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@ -804,8 +804,8 @@ func (this *PdfParser) parseXrefStream(xstm *PdfObjectInteger) (*PdfObjectDictio
trailerDict := xs.PdfObjectDictionary trailerDict := xs.PdfObjectDictionary
sizeObj := xs.PdfObjectDictionary.Get("Size").(*PdfObjectInteger) sizeObj, ok := xs.PdfObjectDictionary.Get("Size").(*PdfObjectInteger)
if sizeObj == nil { if !ok {
common.Log.Debug("ERROR: Missing size from xref stm") common.Log.Debug("ERROR: Missing size from xref stm")
return nil, errors.New("Missing Size from xref stm") return nil, errors.New("Missing Size from xref stm")
} }