Byte order

Conversions between the CPU byte order (always little-endian) and fixed byte orders. More...

Data Structures
struct	pbl_be16_t
	Big-endian 16-bit value, wrapped so it cannot be used without conversion. More...

Functions
static uint16_t	pbl_be16_to_cpu (uint16_t v)
	Convert a big-endian 16-bit value to CPU order.
static uint16_t	pbl_cpu_to_be16 (uint16_t v)
	Convert a 16-bit value in CPU order to big-endian.
static uint32_t	pbl_be32_to_cpu (uint32_t v)
	Convert a big-endian 32-bit value to CPU order.
static uint32_t	pbl_cpu_to_be32 (uint32_t v)
	Convert a 32-bit value in CPU order to big-endian.
static uint16_t	pbl_le16_to_cpu (uint16_t v)
	Convert a little-endian 16-bit value to CPU order.
static uint16_t	pbl_cpu_to_le16 (uint16_t v)
	Convert a 16-bit value in CPU order to little-endian.
static uint32_t	pbl_le32_to_cpu (uint32_t v)
	Convert a little-endian 32-bit value to CPU order.
static uint32_t	pbl_cpu_to_le32 (uint32_t v)
	Convert a 32-bit value in CPU order to little-endian.
static uint16_t	pbl_be16_get (pbl_be16_t be)
	Read a wrapped big-endian 16-bit value.
static pbl_be16_t	pbl_be16_make (uint16_t v)
	Wrap a 16-bit value as big-endian.

Detailed Description

Conversions between the CPU byte order (always little-endian) and fixed byte orders.

struct PBL_PACKED hdr {
  pbl_be16_t length;
} hdr;
 
hdr.length = pbl_be16_make(payload_len);
uint16_t len = pbl_be16_get(hdr.length);

---

Data Structure Documentation

pbl_be16_t

struct pbl_be16_t

Big-endian 16-bit value, wrapped so it cannot be used without conversion.

Data Fields
uint16_t	v	Raw big-endian value.

Function Documentation

pbl_be16_get()

static uint16_t pbl_be16_get ( pbl_be16_t  be )

inlinestatic

Read a wrapped big-endian 16-bit value.

Parameters

be	Big-endian value.

Returns

Value in CPU order.

References pbl_be16_to_cpu(), and pbl_be16_t::v.

pbl_be16_make()

static pbl_be16_t pbl_be16_make ( uint16_t  v )

inlinestatic

Wrap a 16-bit value as big-endian.

Parameters

v	Value in CPU order.

Returns

Big-endian value.

References pbl_cpu_to_be16().

pbl_be16_to_cpu()

static uint16_t pbl_be16_to_cpu ( uint16_t  v )

inlinestatic

Convert a big-endian 16-bit value to CPU order.

Parameters

v	Big-endian value.

Returns

Value in CPU order.

References PBL_BSWAP16.

Referenced by pbl_be16_get().

pbl_be32_to_cpu()

static uint32_t pbl_be32_to_cpu ( uint32_t  v )

inlinestatic

Convert a big-endian 32-bit value to CPU order.

Parameters

v	Big-endian value.

Returns

Value in CPU order.

References PBL_BSWAP32.

pbl_cpu_to_be16()

static uint16_t pbl_cpu_to_be16 ( uint16_t  v )

inlinestatic

Convert a 16-bit value in CPU order to big-endian.

Parameters

v	Value in CPU order.

Returns

Big-endian value.

References PBL_BSWAP16.

Referenced by pbl_be16_make().

pbl_cpu_to_be32()

static uint32_t pbl_cpu_to_be32 ( uint32_t  v )

inlinestatic

Convert a 32-bit value in CPU order to big-endian.

Parameters

v	Value in CPU order.

Returns

Big-endian value.

References PBL_BSWAP32.

pbl_cpu_to_le16()

static uint16_t pbl_cpu_to_le16 ( uint16_t  v )

inlinestatic

Convert a 16-bit value in CPU order to little-endian.

Parameters

v	Value in CPU order.

Returns

Little-endian value.

pbl_cpu_to_le32()

static uint32_t pbl_cpu_to_le32 ( uint32_t  v )

inlinestatic

Convert a 32-bit value in CPU order to little-endian.

Parameters

v	Value in CPU order.

Returns

Little-endian value.

pbl_le16_to_cpu()

static uint16_t pbl_le16_to_cpu ( uint16_t  v )

inlinestatic

Convert a little-endian 16-bit value to CPU order.

Parameters

v	Little-endian value.

Returns

Value in CPU order.

pbl_le32_to_cpu()

static uint32_t pbl_le32_to_cpu ( uint32_t  v )

inlinestatic

Convert a little-endian 32-bit value to CPU order.

Parameters

v	Little-endian value.

Returns

Value in CPU order.