a much more simplified version of push_back with reallocf instead of memcpy as it is faster (no copying just resizing the vector (entire point of vector))

src/main.c

@@ -57,10 +57,6 @@ create(const Vec8_t* input)
 	{
 		vec.size = input->size + 1;
 	}
-	if (input->capacity >= vec.capacity)
-	{
-		vec.capacity = 2 * input->capacity;
-	}
 	vec.arr = calloc(vec.capacity, sizeof(char));
 	return vec;
 }
@@ -149,30 +145,17 @@ back(const Vec8_t* vec)
 Vec8_t
 add_back(Vec8_t* vec, const char val)
 {
-	Vec8_t ret = { .arr = nullptr, .capacity = 0, .size = 0 };
-	if (vec->size < vec->capacity)
-	{
-		vec->arr[vec->size] = val;
-		vec->size++;
-		return *vec;
-	}
-
 	if (vec->size >= vec->capacity)
 	{
-		Vec8_t nvec = create(vec);
-                if(nvec.arr == nullptr) {
-                        printf("Malloc failed and returned nullptr: Returning old vector");
+		vec->capacity *= 2;
+                char* nvec = reallocf(vec->arr, vec->capacity * sizeof(char));
+                if(nvec == NULL) {
                         return *vec;
                 }
-		memcpy(&nvec.arr[0], &vec->arr[0], vec->size * sizeof(char));
-		if (nvec.arr && (nvec.size > 0 || nvec.size > vec->size))
-		{
-			nvec.arr[vec->size] = val;
-		}
-		free(vec->arr);
-		return nvec;
-	}
-	return ret;
+        }
+        vec->arr[vec->size] = val;
+        vec->size++;
+        return *vec;
 }
 
 int