From fbbafddd3d41ad94175d906e8ab18c5654080b50 Mon Sep 17 00:00:00 2001
From: AlexandreRouma <alexandre.rouma@gmail.com>
Date: Wed, 16 Oct 2024 20:48:35 +0200
Subject: [PATCH] fix frequency formatting when copying from frequency selector

---
 core/src/utils/hrfreq.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/core/src/utils/hrfreq.cpp b/core/src/utils/hrfreq.cpp
index f61554ca8..21b593f3f 100644
--- a/core/src/utils/hrfreq.cpp
+++ b/core/src/utils/hrfreq.cpp
@@ -28,10 +28,14 @@ namespace hrfreq {
         char numBuf[128];
         int numLen = sprintf(numBuf, "%0.*lf", maxDecimals, freq);
 
-        // Remove the useless zeros
-        for (int i = numLen-1; i >= 0; i--) {
-            if (numBuf[i] != '0' && numBuf[i] != '.') { break; }
-            numBuf[i] = 0;
+        // If there is a decimal point, remove the useless zeros
+        if (maxDecimals) {
+            for (int i = numLen-1; i >= 0; i--) {
+                bool dot = (numBuf[i] == '.');
+                if (numBuf[i] != '0' && !dot) { break; }
+                numBuf[i] = 0;
+                if (dot) { break; }
+            }
         }
 
         // Concat the suffix