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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