quickstop.c

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

#define PERSON_SCHEMA \
"{\"type\":\"record\",\
  \"name\":\"Person\",\
  \"fields\":[\
     {\"name\": \"ID\", \"type\": \"long\"},\
     {\"name\": \"First\", \"type\": \"string\"},\
     {\"name\": \"Last\", \"type\": \"string\"},\
     {\"name\": \"Phone\", \"type\": \"string\"},\
     {\"name\": \"Age\", \"type\": \"int\"}]}"

int main(void) {
  printf(PERSON_SCHEMA"\n\n");

  avro_schema_t person_schema;
  avro_schema_error_t error;
  if (avro_schema_from_json(PERSON_SCHEMA, sizeof(PERSON_SCHEMA),
         &person_schema, &error)) {
   fprintf(stderr, "Unable to parse person schema\n");
   exit(EXIT_FAILURE);
  }

  char buffer[sizeof(PERSON_SCHEMA)];
  avro_writer_t person_writer = avro_writer_memory(buffer, sizeof(PERSON_SCHEMA));
  avro_schema_to_json(person_schema, person_writer);

  printf("%s\n\n", buffer);
  return 0;
}