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BSON_WRITER_GET_LENGTH(3) libbson BSON_WRITER_GET_LENGTH(3)

SYNOPSIS

size_t
bson_writer_get_length (bson_writer_t *writer);


PARAMETERS

writer: A bson_writer_t <>.

DESCRIPTION

Fetches the current length of the content written by the buffer (including the initial offset). This includes a partly written document currently being written.

This is useful if you want to check to see if you've passed a given memory boundary that cannot be sent in a packet. See bson_writer_rollback() <> to abort the current document being written.

RETURNS

The length of the underlying buffer.

Author

MongoDB, Inc

Copyright

2009-present, MongoDB, Inc.

December 11, 2025 2.2.1