buf.h File Reference

Binary IO abstractions for buffers. More...

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Data Structures
struct	fr_bio_buf_t

Functions
int	fr_bio_buf_alloc (TALLOC_CTX *ctx, fr_bio_buf_t *bio_buf, size_t size)
static bool	fr_bio_buf_contains (fr_bio_buf_t *bio_buf, void const *buffer)
static void	fr_bio_buf_init (fr_bio_buf_t *bio_buf, uint8_t *buffer, size_t size)
static bool	fr_bio_buf_initialized (fr_bio_buf_t const *bio_buf)
size_t	fr_bio_buf_make_room (fr_bio_buf_t *bio_buf)
size_t	fr_bio_buf_read (fr_bio_buf_t *bio_buf, void *buffer, size_t size))
static void	fr_bio_buf_reset (fr_bio_buf_t *bio_buf)
static size_t	fr_bio_buf_size (fr_bio_buf_t const *bio_buf)
static size_t	fr_bio_buf_used (fr_bio_buf_t const *bio_buf)
static void	fr_bio_buf_verify (fr_bio_buf_t const *bio_buf)
ssize_t	fr_bio_buf_write (fr_bio_buf_t *bio_buf, const void *buffer, size_t size)
static int	fr_bio_buf_write_alloc (fr_bio_buf_t *bio_buf, size_t size)
static uint8_t *	fr_bio_buf_write_reserve (fr_bio_buf_t *bio_buf, size_t size)
static size_t	fr_bio_buf_write_room (fr_bio_buf_t const *bio_buf)
static void	fr_bio_buf_write_undo (fr_bio_buf_t *bio_buf, size_t size)

Detailed Description

Binary IO abstractions for buffers.

Id

3ccd9cecf707669b89aa38ecff3060d2ac305928

The fr_bio_buf_t allows readers and writers to use a shared buffer, without overflow.

Copyright

2024 Network RADIUS SAS ("legal@networkradius.com")

Definition in file buf.h.

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Data Structure Documentation

fr_bio_buf_t

struct fr_bio_buf_t

Definition at line 29 of file buf.h.

Data Fields
uint8_t *	end	end of the buffer
uint8_t *	read	where in the buffer reads are taken from
uint8_t *	start	start of the buffer
uint8_t *	write	where in the buffer writes are sent to

Function Documentation

fr_bio_buf_alloc()

int fr_bio_buf_alloc	(	TALLOC_CTX *	ctx,
		fr_bio_buf_t *	bio_buf,
		size_t	size
	)

Definition at line 117 of file buf.c.

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fr_bio_buf_contains()

static bool fr_bio_buf_contains ( fr_bio_buf_t *  bio_buf, void const *  buffer  )

inlinestatic

Definition at line 125 of file buf.h.

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fr_bio_buf_init()

static void fr_bio_buf_init ( fr_bio_buf_t *  bio_buf, uint8_t *  buffer, size_t  size  )

inlinestatic

Definition at line 37 of file buf.h.

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fr_bio_buf_initialized()

static bool fr_bio_buf_initialized ( fr_bio_buf_t const *  bio_buf )

inlinestatic

Definition at line 68 of file buf.h.

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fr_bio_buf_make_room()

size_t fr_bio_buf_make_room

(

fr_bio_buf_t *

bio_buf

)

Definition at line 28 of file buf.c.

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fr_bio_buf_read()

size_t fr_bio_buf_read	(	fr_bio_buf_t *	bio_buf,
		void *	buffer,
		size_t	size
	)

Definition at line 48 of file buf.c.

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fr_bio_buf_reset()

static void fr_bio_buf_reset ( fr_bio_buf_t *  bio_buf )

inlinestatic

Definition at line 61 of file buf.h.

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fr_bio_buf_size()

static size_t fr_bio_buf_size ( fr_bio_buf_t const *  bio_buf )

inlinestatic

Definition at line 151 of file buf.h.

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fr_bio_buf_used()

static size_t fr_bio_buf_used ( fr_bio_buf_t const *  bio_buf )

inlinestatic

Definition at line 73 of file buf.h.

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fr_bio_buf_verify()

static void fr_bio_buf_verify ( fr_bio_buf_t const *  bio_buf )

inlinestatic

Definition at line 50 of file buf.h.

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fr_bio_buf_write()

ssize_t fr_bio_buf_write	(	fr_bio_buf_t *	bio_buf,
		const void *	buffer,
		size_t	size
	)

Definition at line 84 of file buf.c.

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fr_bio_buf_write_alloc()

static int fr_bio_buf_write_alloc ( fr_bio_buf_t *  bio_buf, size_t  size  )

inlinestatic

Definition at line 98 of file buf.h.

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fr_bio_buf_write_reserve()

static uint8_t * fr_bio_buf_write_reserve ( fr_bio_buf_t *  bio_buf, size_t  size  )

inlinestatic

Definition at line 89 of file buf.h.

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fr_bio_buf_write_room()

static size_t fr_bio_buf_write_room ( fr_bio_buf_t const *  bio_buf )

inlinestatic

Definition at line 82 of file buf.h.

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fr_bio_buf_write_undo()

static void fr_bio_buf_write_undo ( fr_bio_buf_t *  bio_buf, size_t  size  )

inlinestatic

Definition at line 111 of file buf.h.

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