BYTE[], BYTE* <----> std::sring (c++)

------------------------------ 1. std::string -----> BYTE*, BYTE[] ------------------------------

#include <iostream>
#include <cstdio>
#include <string>
#include <stdio.h>
#include <string.h>
#include <list>
#include <vector>
#include <algorithm>
#include <cmath>
#include <Windows.h>
#include <numeric>
#include <memory>
 
 
int main(
 
    std::string str = "Dynamite";
    int size = str.length();
 
    // Keypoint
    BYTE* pName = (BYTE*)str.c_str();
 
    for (int i = 0; i < size; i++)
    {
        printf("%02X ", pName[i]);
    }
 
    // OutPut
    // Dynamite -> 44 79 6E 61 6D 69 74 65
 
    return 0;
}

 

 

------------------------------ 2. 기존에 있던 배열 복사 ------------------------------

#include <iostream>
#include <cstdio>
#include <string>
#include <stdio.h>
#include <string.h>
#include <list>
#include <vector>
#include <algorithm>
#include <cmath>
#include <Windows.h>
#include <numeric>
#include <memory>
 
 
int main(
 
    std::string str1 = "yamite";    
    int size1 = str1.length() + 1;
 
    BYTE* pTemp = new BYTE[size1];
    BYTE* pName1 = (BYTE*)str1.c_str();
 
    pTemp[0] = 0x44;    // D
    memcpy(&pTemp[1], pName1, size1);
 
    for (int i = 0; i < size1; i++)
    {
        printf("%02X ", pTemp[i]);
    }
 
    // OutPut
    // Dynamite -> 44 79 6E 61 6D 69 74 65
 
    return 0;
}

 

------------------------------ 3. BYTE[], BYTE* -> std::string ------------------------------

#include <iostream>
#include <cstdio>
#include <string>
#include <stdio.h>
#include <string.h>
#include <list>
#include <vector>
#include <algorithm>
#include <cmath>
#include <Windows.h>
#include <numeric>
#include <memory>
 
 
int main(
 
    //BYTE buffer[8] = {0x44, 0x79, 0x6E, 0x61, 0x6D, 0x69, 0x74, 0x65};    
    BYTE* buffer = new BYTE[8];
 
    buffer[0] = 0x44;
    buffer[1] = 0x79;
    buffer[2] = 0x6E;
    buffer[3] = 0x61;
    buffer[4] = 0x6D;
    buffer[5] = 0x69;
    buffer[6] = 0x74;
    buffer[7] = 0x65;
 
    std::string str3;
    for (int i = 0; i < sizeof(buffer); i++)
    {
        str3 += buffer[i];
    }
 
    std::cout << str3;
 
    // 0x44, 0x79, 0x6E, 0x61, 0x6D, 0x69, 0x74, 0x65 -> Dynamite
    // BYTE* BYTE[] 둘다 Dynamite로 똑같은 값 나옴
    return 0;
}