From 714b7cbc6a135eba24f04f62bf5b5bae48208f66 Mon Sep 17 00:00:00 2001
From: fdlt3817 <can.hacioglu@lt.hs-fulda.de>
Date: Thu, 9 Feb 2023 19:04:32 +0100
Subject: [PATCH] Improve interest calculator to check for invalid inputs

---
 src/interestCalculator.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/interestCalculator.c b/src/interestCalculator.c
index 8acc998..9329c2a 100644
--- a/src/interestCalculator.c
+++ b/src/interestCalculator.c
@@ -8,12 +8,21 @@ float timeInYears;
 
 printf("Please enter the principal amount:");
 scanf("%f",&principalAmount);
+if(principalAmount<=0){
+    return;
+}
 
 printf("\nPlease enter interest per year (percentage):");
 scanf("%f",&interestPerYear);
+if(interestPerYear<=0){
+    return;
+}
 
 printf("\nPlease enter interest time in years:");
 scanf("%f",&timeInYears);
+if(timeInYears<=0){
+    return;
+}
 
 float interestDecimal=interestPerYear/100;