ysJXaCYc

1#include <iostream>
2#include <inttypes.h>
3#include <cstring>
4#include <stdlib.h>
5using namespace std;
6
7struct msgStruct {
8    uint32_t secretKey;
9    uint16_t requestType;
10    uint16_t padding;
11    char * varName;
12    char * varVal;
13};
14
15
16
17int main()
18{
19    msgStruct myMsg;
20    myMsg.secretKey = 1070;
21    myMsg.requestType = 1;
22    myMsg.padding = 0;
23    myMsg.varName = "PATH\0";
24    myMsg.varVal = "/tmp/";
25
26    const uint32_t size = (sizeof(uint32_t) + (2 * sizeof(uint16_t)) + strlen(myMsg.varName) + strlen(myMsg.varVal) + 2);
27    cout << size << endl;
28    char *target = new char[size];
29    memcpy(target, (void*)&myMsg, (sizeof(uint32_t) + 2*sizeof(uint16_t)));
30    memcpy(target + sizeof(uint32_t) + 2*sizeof(uint16_t), myMsg.varName, strlen(myMsg.varName) + 1);
31    target[sizeof(uint32_t) + 2*sizeof(uint16_t) + strlen(myMsg.varName) + 1] = '\0';
32    memcpy(target+sizeof(uint32_t) + 2*sizeof(uint16_t) + strlen(myMsg.varName) + 2, myMsg.varVal, strlen(myMsg.varVal)+1);
33    target[sizeof(uint32_t) + 2*sizeof(uint16_t) + strlen(myMsg.varName) + strlen(myMsg.varVal) + 1] = '\0';
34
35    msgStruct theMsg;
36    int x = 0;
37    for (unsigned int j = 0; j < 19; j++) {
38        if (target[j] == '\0') {
39            x = j;
40        }
41    }
42    cout << x << endl;
43    cout << strlen(target) << endl;
44    for (unsigned int i = (sizeof(uint32_t) + 2*sizeof(uint16_t)); i < x; i++) {
45        cout << target[i] << endl;
46    }
47    //memcpy(&theMsg, target, sizeof(msgStruct));
48    /*cout << theMsg.secretKey << endl;
49    cout << theMsg.requestType << endl;
50    cout << theMsg.padding << endl;
51    cout << theMsg.varName << endl;
52    cout << theMsg.varVal << endl;*/
53    return 0;
54}