DOKK / manpages / debian 10 / libmongoc-doc / mongoc_gridfs_bucket_download_to_stream.3.en
MONGOC_GRIDFS_BUCKET_DOWNLOAD_TO_STREAM(3) MongoDB C Driver MONGOC_GRIDFS_BUCKET_DOWNLOAD_TO_STREAM(3)

mongoc_gridfs_bucket_download_to_stream - mongoc_gridfs_bucket_download_to_stream()

bool
mongoc_gridfs_bucket_download_to_stream (mongoc_gridfs_bucket_t *bucket,


                                         const bson_value_t *file_id,


                                         mongoc_stream_t *destination,


                                         bson_error_t *error);


  • bucket: A mongoc_gridfs_bucket_t.
  • file_id: A bson_value_t of the id of the file to download.
  • destination: A mongoc_stream_t which receives data from the downloaded file.
  • error: A bson_error_t to receive any error or NULL.

Reads from the GridFS file and writes to the destination stream.

Writes the full contents of the file to the destination stream. The destination stream is not closed after calling mongoc_gridfs_bucket_download_to_stream(); call mongoc_stream_close() after.

mongoc_stream_file_new and mongoc_stream_file_new_for_path, which can be used to create a destination stream from a file.

True if the operation succeeded. False otherwise, and sets error.

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February 23, 2019 1.14.0