From 0f04714a035e2024385237d5698ee9488f88a22e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
Date: Mon, 25 Jan 2021 17:31:43 +0100
Subject: [PATCH] Fix possible division by zero

Do not pass a nmemb of 0 to calloc, cause it's unportable and forbidden
with our wrapper.

Found by Coverity
---
 Settings.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Settings.c b/Settings.c
index 93e56f97..a2bb0962 100644
--- a/Settings.c
+++ b/Settings.c
@@ -45,7 +45,7 @@ static void Settings_readMeterModes(Settings* this, const char* line, int column
       len++;
    }
    this->columns[column].len = len;
-   int* modes = xCalloc(len, sizeof(int));
+   int* modes = len ? xCalloc(len, sizeof(int)) : NULL;
    for (int i = 0; i < len; i++) {
       modes[i] = atoi(ids[i]);
    }