xdas_wire.h File Reference

OpenXDAS wire buffer insertion and extraction routines. More...

#include "xdas_base.h"
#include <stddef.h>

Go to the source code of this file.

Defines
Buffer extraction and insertion macros.
These macros safely extract 16, 24, and 32-bit values from and insert them into raw wire buffers, regardless of machine endian-ness, or hardware alignment strictness. The do so by reading and writing a byte at a time which defeats alignment issues, and building the value by bit-shifting, which doesn't care about endian-ness. Buffer values are assumed to be in network byte order (big-endian) format.
#define	AS_UINT16(p)
	Extract an unsigned 16-bit quantity from a wire buffer.
#define	AS_UINT24(p)
	Extract an unsigned 24-bit quantity from a wire buffer.
#define	AS_UINT32(p)
	Extract an unsigned 32-bit quantity from a wire buffer.
#define	TO_UINT16(p, v)
	Insert an unsigned 16-bit quantity into a wire buffer.
#define	TO_UINT24(p, v)
	Insert an unsigned 24-bit quantity into a wire buffer.
#define	TO_UINT32(p, v)
	Insert an unsigned 32-bit quantity into a wire buffer.
Functions
uint16_t	xdas_get_uint16 (char **cpp)
	Extract a 16-bit big-endian buffer value into a native 16-bit word.
uint32_t	xdas_get_uint24 (char **cpp)
	Extract a 24-bit big-endian buffer value into a native 32-bit word.
uint32_t	xdas_get_uint32 (char **cpp)
	Extract a 32-bit big-endian buffer value into a native 32-bit word.
void	xdas_put_uint16 (char **cpp, size_t val)
	Insert a 16-bit native word into a buffer in big-endian format.
void	xdas_put_uint24 (char **cpp, size_t val)
	Insert a 24-bit native word into a buffer in big-endian format.
void	xdas_put_uint32 (char **cpp, size_t val)
	Insert a 32-bit native word into a buffer in big-endian format.

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Detailed Description

OpenXDAS wire buffer insertion and extraction routines.

Includes structures, constants and functions that used to handle memory allocation for xdasd event message buffers.

Author:

John Calcote (jcalcote@novell.com)

Attention:

Please submit patches to http://openxdas.sourceforge.net

Definition in file xdas_wire.h.