CDataStream::ignore Throw exception instead of assert on negative nSize.

Previously disk corruption would cause an assert instead of an exception.

diff --git a/src/streams.h b/src/streams.h
index fdba4622f7d8dce45d0a65eea4e08277328e0833..9b678b3c0314d6f3e7578b48ae4dc02a3e635d92 100644 (file)
--- a/src/streams.h
+++ b/src/streams.h
@@ -241,7 +241,9 @@ public:
     CBaseDataStream& ignore(int nSize)
     {
         // Ignore from the beginning of the buffer
-        assert(nSize >= 0);
+        if (nSize < 0) {
+            throw std::ios_base::failure("CDataStream::ignore(): nSize negative");
+        }
         unsigned int nReadPosNext = nReadPos + nSize;
         if (nReadPosNext >= vch.size())
         {