bson_append_null(3)
| BSON_APPEND_NULL(3) | libbson | BSON_APPEND_NULL(3) |
SYNOPSIS
#define BSON_APPEND_NULL(b, key) bson_append_null (b, key, (int) strlen (key)) bool bson_append_null (bson_t *bson, const char *key, int key_length);
PARAMETERS
- bson: A bson_t <>.
- key: An ASCII C string containing the name of the field.
- key_length: The length of key in bytes, or -1 to determine the length with strlen().
DESCRIPTION
The bson_append_null() <> function shall append a new element to bson of type BSON_TYPE_NULL.
RETURNS
Returns true if the operation was applied successfully. The function will fail if appending the value grows bson larger than INT32_MAX.
Author
MongoDB, Inc
Copyright
2009-present, MongoDB, Inc.
| February 10, 2026 | 1.30.7 |