From ac370f31cefb4a71f5ff0d8ab53939bb9aece6b3 Mon Sep 17 00:00:00 2001
From: Chigozirim Igweamaka <cgzirim@gmail.com>
Date: Tue, 11 Jun 2024 03:34:46 +0100
Subject: [PATCH] Exit with an error if any parameter is <= 0

---
 wav/wav.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/wav/wav.go b/wav/wav.go
index 8b99bbc..b55453b 100644
--- a/wav/wav.go
+++ b/wav/wav.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"encoding/binary"
 	"errors"
+	"fmt"
 	"io/ioutil"
 	"os"
 )
@@ -66,6 +67,13 @@ func WriteWavFile(filename string, data []byte, sampleRate int, channels int, bi
 	}
 	defer f.Close()
 
+	if sampleRate <= 0 || channels <= 0 || bitsPerSample <= 0 {
+		return fmt.Errorf(
+			"values must be greater than zero (sampleRate: %d, channels: %d, bitsPerSample: %d)",
+			sampleRate, channels, bitsPerSample,
+		)
+	}
+
 	err = writeWavHeader(f, data, sampleRate, channels, bitsPerSample)
 	if err != nil {
 		return err