bson_append_null - Man Page

#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);

• 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().

The bson_append_null() function shall append a new element to bson of type BSON_TYPE_NULL.

Returns true if the operation was applied successfully. The function will fail if appending the value grows bson larger than INT32_MAX.

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