Buffer Access

Functions for accessing buffer data and properties. More...

Functions
DB_DEF size_t	db_size (db_buffer buf)
	Get current size of buffer in bytes.
DB_DEF size_t	db_capacity (db_buffer buf)
	Get current capacity of buffer in bytes.
DB_DEF bool	db_is_empty (db_buffer buf)
	Check if buffer is empty.
DB_DEF int	db_refcount (db_buffer buf)
	Get current reference count.

Detailed Description

Functions for accessing buffer data and properties.

Function Documentation

db_capacity()

DB_DEF size_t db_capacity

(

db_buffer

buf

)

Get current capacity of buffer in bytes.

Parameters

buf	Buffer instance (must not be NULL)

Returns

Current capacity in bytes

db_is_empty()

DB_DEF bool db_is_empty

(

db_buffer

buf

)

Check if buffer is empty.

Parameters

buf	Buffer instance (must not be NULL)

Returns

true if buffer has no data, false otherwise

db_refcount()

DB_DEF int db_refcount

(

db_buffer

buf

)

Get current reference count.

Parameters

buf	Buffer instance (must not be NULL)

Returns

Current reference count

db_size()

DB_DEF size_t db_size

(

db_buffer

buf

)

Get current size of buffer in bytes.

Parameters

buf	Buffer instance (must not be NULL)

Returns

Current size in bytes