Add Inflator::BadDistanceErr exception (Issue 414)

The improved validation and excpetion clears the Address Sanitizer and Undefined Behavior Sanitizer findings

1 files changed, 4 insertions, 0 deletions

diff --git a/zinflate.h b/zinflate.h
index b0879cef..0767d4f9 100644
--- a/zinflate.h
+++ b/zinflate.h
@@ -98,8 +98,12 @@ public:
 		Err(ErrorType e, const std::string &s)

 			: Exception(e, s) {}

 	};

+	//! \brief Exception thrown when a truncated stream is encountered

 	class UnexpectedEndErr : public Err {public: UnexpectedEndErr() : Err(INVALID_DATA_FORMAT, "Inflator: unexpected end of compressed block") {}};

+	//! \brief Exception thrown when a bad block is encountered

 	class BadBlockErr : public Err {public: BadBlockErr() : Err(INVALID_DATA_FORMAT, "Inflator: error in compressed block") {}};

+	//! \brief Exception thrown when an invalid distance is encountered

+	class BadDistanceErr : public Err {public: BadDistanceErr() : Err(INVALID_DATA_FORMAT, "Inflator: error in bit distance") {}};

 

 	//! \brief RFC 1951 Decompressor

 	//! \param attachment the filter's attached transformation