diff options
Diffstat (limited to 'core/fpdfapi')
| -rw-r--r-- | core/fpdfapi/font/cpdf_cmapparser.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/core/fpdfapi/font/cpdf_cmapparser.cpp b/core/fpdfapi/font/cpdf_cmapparser.cpp index 0f9bca6018..cbf693966e 100644 --- a/core/fpdfapi/font/cpdf_cmapparser.cpp +++ b/core/fpdfapi/font/cpdf_cmapparser.cpp @@ -35,7 +35,7 @@ CIDSet CIDSetFromSizeT(size_t index) { CFX_ByteStringC CMap_GetString(const CFX_ByteStringC& word) { if (word.GetLength() <= 2) return CFX_ByteStringC(); - return CFX_ByteStringC(&word[1], word.GetLength() - 2); + return word.Right(word.GetLength() - 2); } } // namespace @@ -137,6 +137,8 @@ void CPDF_CMapParser::ParseWord(const CFX_ByteStringC& word) { // Static. uint32_t CPDF_CMapParser::CMap_GetCode(const CFX_ByteStringC& word) { + if (word.IsEmpty()) + return 0; pdfium::base::CheckedNumeric<uint32_t> num = 0; if (word.GetAt(0) == '<') { for (int i = 1; i < word.GetLength() && std::isxdigit(word.GetAt(i)); ++i) { |