用C编码和解码数据

Question

I have to write a C program that encodes data and stores it into a buffer to later perform some operation on that buffer. I have the following structures:

typedef uint64_t time64;
typedef int32_t sint32;

typedef struct
{
    sint32 latitude;
    sint32 longitude;
    int16_t elevation; 
}ThreeDLocation;

typedef struct
{
    uint8_t permission_indices;
    char* data;
    time64 expiry_time;
    ThreeDLocation generation_location;
}data;

I want to encode/decode the data structure into a single buffer. I think this is called “serialize” and “deserialize”.

Can anyone give me some hints on how to solve this?

Answer 1

You could try to just point an integer to the struct and read it out that way:

data blockdata;
int* serialdata;
int i;
int n = sizeof(data);
filldata(&blockdata);
serialdata = (int*)&blockdata;

for(i = 0; i < n; i++)
{
   globalbuffer[index++] = serialdata[i];
}

Not sure if this helps