Update comments

1 files changed, 6 insertions, 1 deletions

diff --git a/cryptlib.cpp b/cryptlib.cpp
index 06a35079..a7523497 100644
--- a/cryptlib.cpp
+++ b/cryptlib.cpp
@@ -647,7 +647,12 @@ size_t BufferedTransformation::TransferMessagesTo2(BufferedTransformation &targe
 

 			while (AnyRetrievable())

 			{

-				transferredBytes = (std::min)(LWORD_MAX, MaxRetrievable());

+				// MaxRetrievable() instead of LWORD_MAX due to GH #962. If

+				// the target calls CreatePutSpace(), then the allocation

+				// size will be LWORD_MAX. That happens when target is a

+				// ByteQueue. Maybe ByteQueue should check the size, and if

+				// it is LWORD_MAX or -1, then use a default like 4096.

+				transferredBytes = MaxRetrievable();

 				blockedBytes = TransferTo2(target, transferredBytes, channel, blocking);

 				if (blockedBytes > 0)

 					return blockedBytes;