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// Copyright 2005, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// A sample program demonstrating using Google C++ testing framework.
//
// Author: wan@google.com (Zhanyong Wan)

#include "sample2.h"

#include <string.h>

// Clones a 0-terminated C string, allocating memory using new.
const char* MyString::CloneCString(const char* a_c_string) {
  if (a_c_string == NULL) return NULL;

  const size_t len = strlen(a_c_string);
  char* const clone = new char[ len + 1 ];
  memcpy(clone, a_c_string, len + 1);

  return clone;
}

// Sets the 0-terminated C string this MyString object
// represents.
void MyString::Set(const char* a_c_string) {
  // Makes sure this works when c_string == c_string_
  const char* const temp = MyString::CloneCString(a_c_string);
  delete[] c_string_;
  c_string_ = temp;
}