#include <stdio.h>
#include <stdlib.h>

typedef struct {
    int data1;
    float data2;
    char data3[30];  // サイズを変更
} MyObject;

void serializeObject(const char* filename, const MyObject* obj) {
    FILE* file;

    if (fopen_s(&file, filename, "wb") == 0 && file != NULL) {
        fwrite(obj, sizeof(MyObject), 1, file);
        fclose(file);
        printf("Object serialized and saved to %s\n", filename);
    }
    else {
        perror("Error opening file for writing");
    }
}

void deserializeObject(const char* filename, MyObject* obj) {
    FILE* file;

    if (fopen_s(&file, filename, "rb") == 0 && file != NULL) {
        fread(obj, sizeof(MyObject), 1, file);
        fclose(file);
        printf("Object deserialized from %s\n", filename);
    }
    else {
        perror("Error opening file for reading");
    }
}

int main() {
    // "Hello, C serialization with a longer string!" は30文字以内に変更
    MyObject originalObject = { 42, 3.14f, "Hello, C serialization!" };
    MyObject loadedObject;

    serializeObject("serialized_object.bin", &originalObject);
    deserializeObject("serialized_object.bin", &loadedObject);

    printf("Loaded Object: data1=%d, data2=%.2f, data3=%s\n",
        loadedObject.data1, loadedObject.data2, loadedObject.data3);

    return 0;
}