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dyn0dyn.ic File Reference
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Macros

#define DYN_BLOCK_MAGIC_N   375767
#define DYN_BLOCK_FULL_FLAG   0x1000000UL

Functions

UNIV_INTERN dyn_block_tdyn_array_add_block (dyn_array_t *arr))
UNIV_INLINE ulint dyn_block_get_used (const dyn_block_t *block)
UNIV_INLINE byte * dyn_block_get_data (const dyn_block_t *block)
UNIV_INLINE dyn_array_tdyn_array_create (dyn_array_t *arr)
UNIV_INLINE void dyn_array_free (dyn_array_t *arr)
UNIV_INLINE void * dyn_array_push (dyn_array_t *arr, ulint size)
UNIV_INLINE byte * dyn_array_open (dyn_array_t *arr, ulint size)
UNIV_INLINE void dyn_array_close (dyn_array_t *arr, const byte *ptr)
UNIV_INLINE void * dyn_array_get_element (const dyn_array_t *arr, ulint pos)
UNIV_INLINE ulint dyn_array_get_data_size (const dyn_array_t *arr)
UNIV_INLINE void dyn_push_string (dyn_array_t *arr, const byte *str, ulint len)

Detailed Description

The dynamically allocated array

Created 2/5/1996 Heikki Tuuri

Macro Definition Documentation

#define DYN_BLOCK_FULL_FLAG   0x1000000UL

Flag for dyn_block_t::used that indicates a full block

#define DYN_BLOCK_MAGIC_N   375767

Function Documentation

UNIV_INTERN dyn_block_t* dyn_array_add_block ( dyn_array_t arr)

Adds a new block to a dyn array.

Returns
created block
Parameters
arrin/out: dyn array
UNIV_INLINE void dyn_array_close ( dyn_array_t arr,
const byte *  ptr 
)

Closes the buffer returned by dyn_array_open.

Parameters
arrin/out: dynamic array
ptrin: end of used space
UNIV_INLINE dyn_array_t* dyn_array_create ( dyn_array_t arr)

Initializes a dynamic array.

Returns
initialized dyn array
Parameters
arrin/out: memory buffer of size sizeof(dyn_array_t)
UNIV_INLINE void dyn_array_free ( dyn_array_t arr)

Frees a dynamic array.

Parameters
arrin: dyn array
UNIV_INLINE ulint dyn_array_get_data_size ( const dyn_array_t arr)

Returns the size of stored data in a dyn array.

Returns
data size in bytes
Parameters
arrin: dyn array
UNIV_INLINE void* dyn_array_get_element ( const dyn_array_t arr,
ulint  pos 
)

Returns pointer to an element in dyn array.

Returns
pointer to element
Parameters
arrin: dyn array
posin: position of element in bytes from array start
UNIV_INLINE byte* dyn_array_open ( dyn_array_t arr,
ulint  size 
)

Makes room on top of a dyn array and returns a pointer to a buffer in it. After copying the elements, the caller must close the buffer using dyn_array_close.

Returns
pointer to the buffer
Parameters
arrin: dynamic array
sizein: size in bytes of the buffer; MUST be smaller than DYN_ARRAY_DATA_SIZE!
UNIV_INLINE void* dyn_array_push ( dyn_array_t arr,
ulint  size 
)

Makes room on top of a dyn array and returns a pointer to the added element. The caller must copy the element to the pointer returned.

Returns
pointer to the element
Parameters
arrin/out: dynamic array
sizein: size in bytes of the element
UNIV_INLINE byte* dyn_block_get_data ( const dyn_block_t block)

Gets pointer to the start of data in a dyn array block.

Returns
pointer to data
Parameters
blockin: dyn array block
UNIV_INLINE ulint dyn_block_get_used ( const dyn_block_t block)

Gets the number of used bytes in a dyn array block.

Returns
number of bytes used
Parameters
blockin: dyn array block
UNIV_INLINE void dyn_push_string ( dyn_array_t arr,
const byte *  str,
ulint  len 
)

Pushes n bytes to a dyn array.

Parameters
arrin/out: dyn array
strin: string to write
lenin: string length