#include <stdio.h>
#include <bson.h>
#include <assert.h>

int main (int argc, char *argv[])
{
   bson_writer_t *writer;
   bson_t *doc;
   uint8_t *buf = NULL;
   size_t buflen = 0;
   bool r;
   int i;
   const uint32_t LENGTH = 1 << 20;
   uint8_t *buffer = (uint8_t *) calloc(LENGTH, sizeof(uint8_t));

   writer = bson_writer_new (&buf, &buflen, 0, bson_realloc_ctx, NULL);

   for (i = 0; i < 10000; i++) {
      r = bson_writer_begin (writer, &doc);
      assert (r);

      r = BSON_APPEND_INT32 (doc, "count", i);

      r = bson_append_binary(doc, "data", -1, BSON_SUBTYPE_BINARY,
        buffer, LENGTH);
      assert (r);

      bson_writer_end (writer);
   }

   bson_free (buf);

   return 0;
}