From 1fb719c611728494f5d07a1aacb3afb9491970e7 Mon Sep 17 00:00:00 2001
From: Roman Khaliavka <roman.khaliavka@student.tuke.sk>
Date: Thu, 6 Mar 2025 14:49:51 +0000
Subject: [PATCH] du2

---
 du2/program.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/du2/program.c b/du2/program.c
index cfd9c3d..31392b6 100644
--- a/du2/program.c
+++ b/du2/program.c
@@ -6,32 +6,29 @@
 
 int read_double(double *num){
     char line[LINE_SIZE];
-    if (!fgets(line, LINE_SIZE, stdin)){
+    if(!fgets(line, LINE_SIZE, stdin)){
         return 0;
     }
 
     char *endptr;
     *num = strtod(line, &endptr);
     if(endptr == line || (*endptr != '\0' && *endptr != '\n')){
-        return 0;
+        return -1;
     }
     return 1;
 }
 
-int main() {
+int main(){
     double x, coef, result = 0.0;
     int coef_index = 0;
+    int read_status;
 
-    if(!read_double(&x)){
+    if((read_status = read_double(&x)) != 1){
         printf("Chyba: Nepodarilo sa nacitat hodnotu x.\n");
         return 1;
     }
 
-    while (1){
-        if(!read_double(&coef)){
-            printf("Nepodarilo sa nacitat polynom na %d mieste.\n", coef_index + 1);
-            return 1;
-        }
+    while((read_status = read_double(&coef)) == 1){
         if(coef_index == 0){
             result = coef;
         }else{
@@ -40,6 +37,11 @@ int main() {
         coef_index++;
     }
 
+    if(read_status == -1){
+        printf("Nepodarilo sa nacitat polynom na %d mieste.\n", coef_index + 1);
+        return 1;
+    }
+
     if(coef_index == 0){
         printf("Chyba: Nepodarilo sa nacitat ziadne koeficienty.\n");
         return 1;