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Source Code File 13-02_jsondata

13-02_jsondata.c

#include <stdio.h>
#include <stdlib.h>
#include <json-c/json.h>

int main()
{
    json_object *newobj,*newdata;
    const char value[] = "Arthur Grockmeister";
    const char name[] = "username";
    const char *jstring;

    newobj = json_object_new_object();
    if( newobj==NULL )
    {
        fprintf(stderr,"Unable to create object\n");
        exit(1);
    }
    puts("New object created:");

    newdata = json_object_new_string(value);
    if( newdata==NULL )
    {
        fprintf(stderr,"Unable to create string object\n");
        exit(1);
    }

    json_object_object_add( newobj, name, newdata );
    jstring = json_object_to_json_string_ext(
            newobj,
            JSON_C_TO_STRING_PRETTY
            );
    puts(jstring);

    return(0);
}

Output

New object created:
{
  "username":"Arthur Grockmeister"
}