cv7

cv7/program.c

@@ -15,12 +15,10 @@ struct tree* read_tree(int* counter) {
     memset(buffer, 0, SIZE);
     char* r = fgets(buffer, SIZE, stdin);
     if(r == NULL){
-        printf("Expert z bufetu to vie.\n");
-        printf("Chybna databaza\n");
-        return NULL;
+        return 0;
     }
     if (buffer[0] == '\n') {
-        return NULL;
+        return 0;
     }
     struct tree* tree = calloc(1, sizeof(struct tree));
     tree->value = malloc(strlen(buffer) + 1);
@@ -71,6 +69,9 @@ int main() {
         printf("Pozna %d druhov ovocia a zeleniny.\n", counter);
         printf("Odpovedajte 'a' pre prvu moznost alebo 'n' pre druhu moznost.\n");
         print_tree(root);
+    } else{
+        printf("Expert z bufetu to vie.\n");
+        printf("Chybna databaza\n");
     }
     destroy_tree(root);
     return 0;