cace_data.c File Reference

#include "cace_data.h"
#include "cace/util/defs.h"
#include <m-core.h>
#include <m-string.h>
#include <string.h>

Include dependency graph for cace_data.c:

Functions
static void	cace_data_int_reset (cace_data_t *data)
static void	cace_data_int_free (cace_data_t *data)
int	cace_data_init (cace_data_t *data)
	Initialize an empty data struct.
int	cace_data_init_view (cace_data_t *data, size_t len, const cace_data_ptr_t src)
	Initialize a data struct as an overlay on optional external data.
int	cace_data_init_view_cstr (cace_data_t *data, const char *src)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
int	cace_data_init_set (cace_data_t *data, const cace_data_t *src)
int	cace_data_deinit (cace_data_t *data)
	De-initialize a data struct, freeing if necessary.
int	cace_data_copy_from (cace_data_t *data, size_t len, cace_data_ptr_t src)
	Set an initialized data struct to a given size.
int	cace_data_copy_from_cstr (cace_data_t *data, const char *src)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
int	cace_data_copy (cace_data_t *data, const cace_data_t *src)
	Copy between two data structs, both already initialized.
void	cace_data_move (cace_data_t *data, cace_data_t *src)
	Move between two data structs, both already initialized.
void	cace_data_swap (cace_data_t *data, cace_data_t *other)
	Swap between two data structs, both already initialized.
bool	cace_data_is_empty (const cace_data_t *data)
size_t	cace_data_hash (const cace_data_t *data)
	Interface for M*LIB items.
int	cace_data_cmp (const cace_data_t *lt, const cace_data_t *rt)
	Interface for M*LIB items.
bool	cace_data_equal (const cace_data_t *lt, const cace_data_t *rt)
	Interface for M*LIB items.
int	cace_data_clear (cace_data_t *data)
	Clear the data, freeing if necessary.
int	cace_data_resize (cace_data_t *data, size_t len)
	Resize the data, copying if necessary.
int	cace_data_extend_front (cace_data_t *data, ssize_t extra)
	Alter the size at the front of the array by a difference value.
int	cace_data_append_from (cace_data_t *data, size_t len, cace_data_ptr_t src)
	Append an initialized data struct with a given size.
int	cace_data_append_byte (cace_data_t *data, uint8_t val)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
int	cace_data_from_m_string (cace_data_t *data, const struct m_string_s *src)
	Copy a text C-string from an M-STRING object.

Function Documentation

cace_data_append_from()

int cace_data_append_from	(	cace_data_t *	data,
		size_t	len,
		cace_data_ptr_t	src
	)

Append an initialized data struct with a given size.

Parameters

[in,out]	data	The data to copy into, which must not be NULL.
	len	The total length to allocate, which may be non-zero.
	src	An optional source buffer to copy from, from which len bytes will be copied.

Returns

Zero upon success.

References cace_data_extend_back(), CHKERR1, cace_data_t::len, and cace_data_t::ptr.

cace_data_clear()

int cace_data_clear

(

cace_data_t *

data

)

Clear the data, freeing if necessary.

Parameters

[in,out]

data

The data to clear, which must not be NULL.

Returns

Zero upon success.

References CHKERR1.

cace_data_copy()

int cace_data_copy	(	cace_data_t *	data,
		const cace_data_t *	src
	)

Copy between two data structs, both already initialized.

Parameters

[in,out]	data	The data to copy to, which must not be NULL.
	src	The data to copy from, which must not be NULL.

Returns

Zero upon success.

References cace_data_copy_from(), CHKERR1, cace_data_t::len, and cace_data_t::ptr.

Referenced by cace_ari_set_bstr(), and cace_slash_unescape().

cace_data_copy_from()

int cace_data_copy_from	(	cace_data_t *	data,
		size_t	len,
		cace_data_ptr_t	src
	)

Set an initialized data struct to a given size.

Parameters

[in,out]	data	The data to copy into, which must not be NULL.
	len	The total length to allocate, which may be non-zero.
	src	An optional source buffer to copy from, from which len bytes will be copied.

Returns

Zero upon success.

References cace_data_resize(), CHKERR1, cace_data_t::owned, and cace_data_t::ptr.

Referenced by cace_ari_cbor_encode(), cace_ari_set_tstr(), cace_data_copy(), cace_data_copy_from_cstr(), and cace_data_from_m_string().

cace_data_deinit()

int cace_data_deinit

(

cace_data_t *

data

)

De-initialize a data struct, freeing if necessary.

Parameters

[in,out]

data

The data to de-initialize, which must not be NULL.

Returns

Zero upon success.

Postcondition

The struct must be initialized before using again.

References CHKERR1.

Referenced by cace_amp_msg_decode(), cace_amp_msg_encode(), cace_amp_proxy_cli_recv(), cace_amp_proxy_cli_send(), cace_amp_proxy_msg_recv(), cace_amp_proxy_msg_send(), cace_ari_date_from_text(), cace_ari_lit_deinit(), cace_slash_unescape(), refdm_db_insert_rptset(), and transform_cbor_str_to_cace_data().

cace_data_extend_front()

int cace_data_extend_front	(	cace_data_t *	data,
		ssize_t	extra
	)

Alter the size at the front of the array by a difference value.

Parameters

[in,out]	data	The data to resize, which must not be NULL.
	extra	The difference of the desired size from the current size. This may be negative to shrink the data.

Returns

Zero upon success.

References cace_data_resize(), CHKERR1, cace_data_t::len, and cace_data_t::ptr.

cace_data_from_m_string()

int cace_data_from_m_string	(	cace_data_t *	data,
		const struct m_string_s *	src
	)

Copy a text C-string from an M-STRING object.

The copy includes a terminating null.

Parameters

[in,out]	data	The data to copy to, which must not be NULL.
	src	The string to copy from, which must not be NULL.

Returns

Zero upon success.

References cace_data_copy_from().

cace_data_init()

int cace_data_init

(

cace_data_t *

data

)

Initialize an empty data struct.

Parameters

[in,out]

data

The data to initialize, which must not be NULL.

Returns

Zero upon success.

See also

CACE_DATA_INIT_NULL

References CHKERR1.

Referenced by cace_amp_msg_encode(), cace_amp_proxy_cli_send(), cace_amp_proxy_msg_send(), cace_ari_set_bstr(), cace_ari_set_tstr(), cace_slash_unescape(), and refdm_db_insert_rptset().

cace_data_init_view()

int cace_data_init_view	(	cace_data_t *	data,
		size_t	len,
		cace_data_ptr_t	src
	)

Initialize a data struct as an overlay on optional external data.

Parameters

[in,out]	data	The data to initialize, which must not be NULL.
	len	The total length to allocate, which may be zero.
	src	An optional source buffer to point to.

Returns

Zero upon success.

References CHKERR1, cace_data_t::len, cace_data_t::owned, and cace_data_t::ptr.

Referenced by cace_amp_msg_decode(), cace_amp_proxy_cli_recv(), cace_amp_proxy_msg_recv(), cace_ari_set_aritype_text(), cace_ari_set_tstr(), cace_data_init_view_cstr(), cace_slash_unescape(), and transform_cbor_str_to_cace_data().

cace_data_move()

void cace_data_move	(	cace_data_t *	data,
		cace_data_t *	src
	)

Move between two data structs, both already initialized.

Parameters

[in,out]	data	The data to move to, which must not be NULL.
[in,out]	src	The data to move from, which must not be NULL.

References CHKVOID.

cace_data_resize()

int cace_data_resize	(	cace_data_t *	data,
		size_t	len
	)

Resize the data, copying if necessary.

Parameters

[in,out]	data	The data to resize, which must not be NULL.
	len	The new total size.

Returns

Zero upon success.

References CACE_REALLOC, CHKERR1, cace_data_t::len, cace_data_t::owned, and cace_data_t::ptr.

Referenced by cace_base16_decode(), cace_base64_decode(), cace_data_copy_from(), cace_data_extend_back(), and cace_data_extend_front().

cace_data_swap()

void cace_data_swap	(	cace_data_t *	data,
		cace_data_t *	other
	)

Swap between two data structs, both already initialized.

Parameters

[in,out]	data	The data to swap to, which must not be NULL.
[in,out]	other	The data to swap with, which must not be NULL.

References CHKVOID.

Referenced by cace_ari_set_bstr().