From 0ffd772d28bdf2fb1f0ef5abbb6fff17223edee9 Mon Sep 17 00:00:00 2001
From: Daniel Lange <DLange@git.local>
Date: Sat, 2 Apr 2022 12:30:30 +0200
Subject: [PATCH] Fix header layout and meters reset if a header column is
 empty

Closes #880
Patch from BenBE and cgzones
---
 Settings.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Settings.c b/Settings.c
index 54ae0515..006be97f 100644
--- a/Settings.c
+++ b/Settings.c
@@ -111,14 +111,21 @@ static void Settings_readMeterModes(Settings* this, const char* line, unsigned i
 static bool Settings_validateMeters(Settings* this) {
    const size_t colCount = HeaderLayout_getColumns(this->hLayout);
 
+   bool anyMeter = false;
+
    for (size_t column = 0; column < colCount; column++) {
       char** names = this->hColumns[column].names;
       const int* modes = this->hColumns[column].modes;
       const size_t len = this->hColumns[column].len;
 
-      if (!names || !modes || !len)
+      if (!len)
+         continue;
+
+      if (!names || !modes)
          return false;
 
+      anyMeter |= !!len;
+
       // Check for each mode there is an entry with a non-NULL name
       for (size_t meterIdx = 0; meterIdx < len; meterIdx++)
          if (!names[meterIdx])
@@ -128,7 +135,7 @@ static bool Settings_validateMeters(Settings* this) {
          return false;
    }
 
-   return true;
+   return anyMeter;
 }
 
 static void Settings_defaultMeters(Settings* this, unsigned int initialCpuCount) {