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1 // Copyright 2005, Google Inc.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
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9 // notice, this list of conditions and the following disclaimer.
10 //     * Redistributions in binary form must reproduce the above
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13 // distribution.
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16 // this software without specific prior written permission.
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18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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29 
30 // A sample program demonstrating using Google C++ testing framework.
31 //
32 // Author: wan@google.com (Zhanyong Wan)
33 
34 #include "sample2.h"
35 
36 #include <string.h>
37 
38 // Clones a 0-terminated C string, allocating memory using new.
CloneCString(const char * a_c_string)39 const char* MyString::CloneCString(const char* a_c_string) {
40   if (a_c_string == NULL) return NULL;
41 
42   const size_t len = strlen(a_c_string);
43   char* const clone = new char[ len + 1 ];
44   memcpy(clone, a_c_string, len + 1);
45 
46   return clone;
47 }
48 
49 // Sets the 0-terminated C string this MyString object
50 // represents.
Set(const char * a_c_string)51 void MyString::Set(const char* a_c_string) {
52   // Makes sure this works when c_string == c_string_
53   const char* const temp = MyString::CloneCString(a_c_string);
54   delete[] c_string_;
55   c_string_ = temp;
56 }
57