From 577416d1a946382ab9f0c523e5fae755f9d71f69 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
Date: Mon, 5 Oct 2020 12:49:01 +0200
Subject: Assert allocating non-zero size memory

Allocating zero size memory results in implementation-defined behavior:

  man:malloc(3) :
    If size is 0, then malloc() returns either NULL, or a unique pointer
    value that can later be successfully passed to free().
---
 Meter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Meter.c')

diff --git a/Meter.c b/Meter.c
index 84370362..fa1eacb4 100644
--- a/Meter.c
+++ b/Meter.c
@@ -38,7 +38,7 @@ Meter* Meter_new(struct ProcessList_* pl, int param, const MeterClass* type) {
    this->param = param;
    this->pl = pl;
    this->curItems = type->maxItems;
-   this->values = xCalloc(type->maxItems, sizeof(double));
+   this->values = type->maxItems ? xCalloc(type->maxItems, sizeof(double)) : NULL;
    this->total = type->total;
    this->caption = xStrdup(type->caption);
    if (Meter_initFn(this))
-- 
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