From 398eecaa1d9fa00642142eeba298fb85a690c819 Mon Sep 17 00:00:00 2001
From: WerWolv <werwolv98@gmail.com>
Date: Wed, 19 Feb 2025 10:58:16 +0100
Subject: [PATCH] fix: Potential division by zero on Windows 7

#2130
---
 main/gui/source/window/win_window.cpp | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/main/gui/source/window/win_window.cpp b/main/gui/source/window/win_window.cpp
index 266f3c67e..392a08481 100644
--- a/main/gui/source/window/win_window.cpp
+++ b/main/gui/source/window/win_window.cpp
@@ -204,17 +204,20 @@ namespace hex {
 
                 i64 sleepTicks = 0;
                 i64 sleepMilliSeconds = 0;
-                if (delta >= 0) {
-                    sleepTicks = delta / period;
-                } else {
-                    sleepTicks = -1 + delta / period;
+                if (period > 0) {
+                    if (delta >= 0) {
+                        sleepTicks = delta / period;
+                    } else {
+                        sleepTicks = -1 + delta / period;
+                    }
+
+                    sleepMilliSeconds = delta - (period * sleepTicks);
+                    const double sleepTime = std::round(1000.0 * double(sleepMilliSeconds) / double(performanceFrequency.QuadPart));
+                    if (sleepTime >= 0.0) {
+                        Sleep(DWORD(sleepTime));
+                    }
                 }
 
-                sleepMilliSeconds = delta - (period * sleepTicks);
-                const double sleepTime = std::round(1000.0 * double(sleepMilliSeconds) / double(performanceFrequency.QuadPart));
-                if (sleepTime >= 0.0) {
-                    Sleep(DWORD(sleepTime));
-                }
                 timeEndPeriod(granularity);
 
                 return WVR_REDRAW;