bson_destroy_with_steal man page
bson_destroy_with_steal — bson_destroy_with_steal()
uint8_t * bson_destroy_with_steal (bson_t *bson, bool steal, uint32_t *length);
bson: A bson_t.
steal: A bool indicating if the underlying buffer should be stolen.
length: A location for storing the resulting buffer length.
The bson_destroy_with_steal() function shall destroy a bson_t structure but return the underlying buffer instead of freeing it. If steal is false, this is equivalent to calling bson_destroy(). It is a programming error to call this function on a bson_t that is not a top-level bson_t, such as those initialized with bson_append_document_begin(), bson_append_array_begin(), and bson_writer_begin().
See also bson_steal, a higher-level function that efficiently transfers the contents of one bson_t to another.
bson_destroy_with_steal() shall return a buffer containing the contents of the bson_t if steal is non-zero. This should be freed with bson_free() when no longer in use. length will be set to the length of the bson document if non-NULL.
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