From f3273b204592283afd4f00be339d3ce9aa4a291c Mon Sep 17 00:00:00 2001
From: sawinglogz <3787776-sawinglogz@users.noreply.gitlab.com>
Date: Mon, 9 May 2022 10:51:17 -0400
Subject: [PATCH] Fix incorrect Viatom warning when a CheckMe O2 Max recorded
 an odd number of samples.

---
 .../SleepLib/loader_plugins/viatom_loader.cpp | 28 +++++++++++--------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/oscar/SleepLib/loader_plugins/viatom_loader.cpp b/oscar/SleepLib/loader_plugins/viatom_loader.cpp
index dbaf5dcb..9d0fb2fa 100644
--- a/oscar/SleepLib/loader_plugins/viatom_loader.cpp
+++ b/oscar/SleepLib/loader_plugins/viatom_loader.cpp
@@ -418,19 +418,23 @@ QList<ViatomFile::Record> ViatomFile::ReadData()
         QList<ViatomFile::Record> dedup;
         bool all_are_duplicated = true;
 
-        CHECK_VALUE(records.size() % 2, 0);
-        for (int i = 0; i < records.size(); i += 2) {
-            auto & a = records.at(i);
-            auto & b = records.at(i+1);
-            if (a.spo2 != b.spo2
-                || a.hr != b.hr
-                || a.oximetry_invalid != b.oximetry_invalid
-                || a.motion != b.motion
-                || a.vibration != b.vibration) {
-                all_are_duplicated = false;
-                break;
+        if ((records.size() % 2) != 0) {
+            // An odd number of samples inherently can't be all duplicates.
+            all_are_duplicated = false;
+        } else {
+            for (int i = 0; i < records.size(); i += 2) {
+                auto & a = records.at(i);
+                auto & b = records.at(i+1);
+                if (a.spo2 != b.spo2
+                    || a.hr != b.hr
+                    || a.oximetry_invalid != b.oximetry_invalid
+                    || a.motion != b.motion
+                    || a.vibration != b.vibration) {
+                    all_are_duplicated = false;
+                    break;
+                }
+                dedup.append(a);
             }
-            dedup.append(a);
         }
         if (m_sig == 5) {
             // Confirm that CheckMe O2 Max is a true 2s sample rate.