cJSON_CreateObject

cJSON_CreateObject

If you are working with JSON data in C, you might come across the need to create a new JSON object. This is where the cJSON_CreateObject function comes in handy.

The cJSON_CreateObject function is part of the cJSON library, which is a lightweight and portable JSON parser for C. This function creates a new JSON object and returns a pointer to it. Here's how you can use it:

cJSON *object = cJSON_CreateObject();

This will create a new JSON object and assign it to the object pointer. You can then add key-value pairs to the object using the cJSON_AddItemToObject function:

cJSON_AddItemToObject(object, "name", cJSON_CreateString("John"));
cJSON_AddItemToObject(object, "age", cJSON_CreateNumber(25));

This will add two key-value pairs to the JSON object: "name": "John" and "age": 25.

Alternatively, if you want to create a new JSON object with some initial key-value pairs, you can use the cJSON_CreateObject function with a set of arguments:

cJSON *object = cJSON_CreateObject(
    cJSON_CreateString("name"), cJSON_CreateString("John"),
    cJSON_CreateString("age"), cJSON_CreateNumber(25),
    NULL
);

This will create a new JSON object with the same two key-value pairs as before.

Overall, the cJSON_CreateObject function is a useful tool for working with JSON data in C. It allows you to create new JSON objects and add key-value pairs to them with ease.