refactoring: function full_adder and variables

src/addition.c

@@ -1,6 +1,6 @@
 #include "addition.h"
 #include <stdlib.h>
 
-void volladdierer (int* s, int* nc, int a, int b, int c) {
-    s[0] = c;
+void full_adder (int* sum, int* nextcarry, int number1, int number2, int carry) {
+    sum[0] = carry;
 }

src/addition.h

@@ -1,6 +1,6 @@
 #ifndef ADDITION_H
 #define ADDITION_H
 
-void volladdierer (int* s, int* nc, int a, int b, int c);
+void full_adder (int* sum, int* nextcarry, int number1, int number2, int carry);
 
 #endif // ADDITION_H

test/test_addition.c

@@ -14,22 +14,22 @@ void tearDown(void)
 {
 }
 
-void test_addition_volladdierer_nullplusnullgleichnull(void)
+void test_addition_full_adder_nullplusnullgleichnull(void)
 {
     int result[1];
     int expected = 0;
 
-    volladdierer(result, nullcarry, 0, 0, 0);
+    full_adder(result, nullcarry, 0, 0, 0);
 
     TEST_ASSERT_EQUAL_INT(expected, result[0]);
 }
 
-void test_addition_volladdierer_nullplusnullgleichnullmituebertrag(void)
+void test_addition_full_adder_nullplusnullgleichnullmituebertrag(void)
 {
     int result[1];
     int expected = 1;
 
-    volladdierer(result, nullcarry, 0, 0, 1);
+    full_adder(result, nullcarry, 0, 0, 1);
 
     TEST_ASSERT_EQUAL_INT(expected, result[0]);
 }