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29 
30 // A sample program demonstrating using Google C++ testing framework.
31 
32 #include "sample2.h"
33 
34 #include <string.h>
35 
36 // Clones a 0-terminated C string, allocating memory using new.
CloneCString(const char * a_c_string)37 const char* MyString::CloneCString(const char* a_c_string) {
38   if (a_c_string == nullptr) return nullptr;
39 
40   const size_t len = strlen(a_c_string);
41   char* const clone = new char[len + 1];
42   memcpy(clone, a_c_string, len + 1);
43 
44   return clone;
45 }
46 
47 // Sets the 0-terminated C string this MyString object
48 // represents.
Set(const char * a_c_string)49 void MyString::Set(const char* a_c_string) {
50   // Makes sure this works when c_string == c_string_
51   const char* const temp = MyString::CloneCString(a_c_string);
52   delete[] c_string_;
53   c_string_ = temp;
54 }
55