erase() should properly set values to 0 after move

src/main.c

@@ -130,8 +130,8 @@ erase(Vec8_t* vec, const int iter) {
         if(vec == nullptr) return nullptr;
         if(vec->arr == nullptr) return nullptr;
         if(iter >= vec->size) return nullptr;
-        vec->arr[iter] = 0;
         memmove(&vec->arr[iter], &vec->arr[iter + 1], (vec->size - iter - 1) * sizeof(char));
+        vec->arr[vec->size - 1] = 0;
         vec->size--;
         return vec;
 }
@@ -140,12 +140,12 @@ __attribute__((overloadable)) Vec8_t*
 erase(Vec8_t* vec, const int iter_start, const int iter_end) {
         if(vec == nullptr) return nullptr;
         if(vec->arr == nullptr) return nullptr;
-        if(iter_start < 0 || iter_end >= vec->size) return nullptr;
+        if(iter_start < 0 || iter_end > vec->size) return nullptr;
         int diff = iter_end - iter_start;
-        for(int i = 0; i < diff; i++) {
-                vec->arr[iter_start + i] = 0;
+        memmove(&vec->arr[iter_start], &vec->arr[iter_end], (vec->size - iter_end) * sizeof(char));
+        for(size_t i = vec->size; i > iter_end; i--) {
+                vec->arr[i] = 0;
         }
-        memmove(&vec->arr[iter_start], &vec->arr[iter_end + 1], (vec->size - diff - 1) * sizeof(char));
         vec->size -= diff;
         return vec;
 }