Copy a string: Difference between revisions
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std::string s = "Hello"; |
std::string s = "Hello"; |
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// allocate memory for C string |
// allocate memory for C string |
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char* cs = (char*)malloc(s.length()+1); |
char* cs = (char*)std::malloc(s.length()+1); |
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// copy the string |
// copy the string |
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std::strcpy(cs, s.c_str()); |
std::strcpy(cs, s.c_str()); |
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s = cs; |
s = cs; |
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// get rid of temporary buffer |
// get rid of temporary buffer |
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free(cs); // delete or delete[] may not be used here</lang> |
std::free(cs); // delete or delete[] may not be used here</lang> |
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=== Using string types supplied by specific compiler-provided or external libraries === |
=== Using string types supplied by specific compiler-provided or external libraries === |
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