From cbaf89f6830f22512e3a7d62c255a78d5c4d988f Mon Sep 17 00:00:00 2001
From: Greg Eisenhauer <eisen@cc.gatech.edu>
Date: Sun, 3 Nov 2024 16:34:25 -0500
Subject: [PATCH] testing

---
 source/adios2/toolkit/format/bp5/BP5Helper.cpp | 6 ++----
 source/adios2/toolkit/format/bp5/BP5Helper.h   | 2 +-
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/source/adios2/toolkit/format/bp5/BP5Helper.cpp b/source/adios2/toolkit/format/bp5/BP5Helper.cpp
index a4b3c86c94..4f1ee3fd1a 100644
--- a/source/adios2/toolkit/format/bp5/BP5Helper.cpp
+++ b/source/adios2/toolkit/format/bp5/BP5Helper.cpp
@@ -64,7 +64,6 @@ BP5Helper::BuildNodeContrib(const digest attrHash, const size_t attrSize,
     for (auto &MM : MMBlocks)
     {
         digest D;
-        std::memset(&D.x[0], 0, sizeof(digest));
         std::memcpy(&D.x[0], MM.MetaMetaID, MM.MetaMetaIDLen);
         helper::CopyToBuffer(ret, position, &D.x[0], sizeof(digest));
         size_t AlignedSize = ((MM.MetaMetaInfoLen + 7) & ~0x7);
@@ -90,7 +89,6 @@ BP5Helper::BuildFixedNodeContrib(const digest attrHash, const size_t attrSize,
     NC->MMBCount = MMBlocks.size();
     for (size_t i = 0; i < FIXED_MMB_SLOT_COUNT; i++)
     {
-        std::memset(&NC->MMBArray[i].x[0], 0, sizeof(digest));
         auto MM = &MMBlocks[i];
         if (i < MMBlocks.size())
         {
@@ -152,7 +150,7 @@ void BP5Helper::BreakdownFixedIncomingMInfo(
         {
             digest thisMMB = NC->MMBArray[block];
             size_t thisMMBSize = NC->MMBSizeArray[block];
-            if (!MMBSet.count(thisMMB))
+            if (thisMMBSize && (!MMBSet.count(thisMMB)))
             {
                 MMBSet.insert(thisMMB);
                 MMsNeeded += (((size_t)1) << block);
@@ -209,7 +207,7 @@ void BP5Helper::BreakdownIncomingMInfo(
             digest thisMMB;
             helper::ReadArray(RecvBuffer, pos, &thisMMB.x[0], sizeof(thisMMB.x), false);
             size_t thisMMBSize = helper::ReadValue<size_t>(RecvBuffer, pos, false);
-            if (!MMBSet.count(thisMMB))
+            if (thisMMBSize && (!MMBSet.count(thisMMB)))
             {
                 MMBSet.insert(thisMMB);
                 MMsNeeded += (((size_t)1) << block);
diff --git a/source/adios2/toolkit/format/bp5/BP5Helper.h b/source/adios2/toolkit/format/bp5/BP5Helper.h
index 6c1887e43e..565a3831d1 100644
--- a/source/adios2/toolkit/format/bp5/BP5Helper.h
+++ b/source/adios2/toolkit/format/bp5/BP5Helper.h
@@ -50,7 +50,7 @@ class BP5Helper : virtual public BP5Base
             return (x[1] < dg.x[1]);
         };
 
-        //	bool is_zero() { return ((x[0] == 0) && (x[1] == 0)); };
+        bool IsZero() { return ((x[0] == 0) && (x[1] == 0)); };
         friend std::ostream &operator<<(std::ostream &os, const digest &d)
         {
             std::cout << "0x" << std::setw(8) << std::setfill('0') << std::hex << d.x[0] << d.x[1];