C:/Users/clackn/Desktop/src/arithcode/src/stream.c File Reference

#include "stream.h"
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

Go to the source code of this file.

Defines
#define	ENDL   "\n"
#define	TRY(e)
#define	SAFE_FREE(e)   if(e) { free(e); (e)=NULL; }
#define	DEFN_PUSH(T)
#define	DEFN_POP(T)
#define	MAX_TYPE(T)   static const T max_##T = (T)(-1)
#define	DEFN_CARRY(T)
Typedefs
typedef uint8_t	u8
typedef uint16_t	u16
typedef uint32_t	u32
typedef uint64_t	u64
typedef int8_t	i8
typedef int16_t	i16
typedef int32_t	i32
typedef int64_t	i64
Functions
static void	maybe_init (stream_t *self)
void	attach (stream_t *self, void *d, size_t n)
void	detach (stream_t *self, void **d, size_t *n)
static void	maybe_resize (stream_t *s)
	DEFN_PUSH (u8)
	DEFN_PUSH (u32)
	DEFN_PUSH (u64)
	DEFN_PUSH (i8)
	DEFN_PUSH (i16)
	DEFN_PUSH (i32)
	DEFN_PUSH (i64)
void	push_u1 (stream_t *self, u8 v)
void	push_u4 (stream_t *self, u8 v)
	DEFN_POP (u8)
	DEFN_POP (u32)
	DEFN_POP (u64)
	DEFN_POP (i8)
	DEFN_POP (i16)
	DEFN_POP (i32)
	DEFN_POP (i64)
u8	pop_u1 (stream_t *self)
u8	pop_u4 (stream_t *self)
	MAX_TYPE (u8)
	MAX_TYPE (u32)
	MAX_TYPE (u64)
	DEFN_CARRY (u8)
	DEFN_CARRY (u32)
	DEFN_CARRY (u64)
void	carry_u1 (stream_t *self)
void	carry_u4 (stream_t *self)

---

Define Documentation

#define DEFN_CARRY

(

T

)

Value:

void carry_##T(stream_t *self)          \
{ size_t n = (self->ibyte-1)/sizeof(T); \
  while( ((T*)(self->d))[n]==max_##T )  \
    ((T*)(self->d))[n--]=0;             \
  ((T*)(self->d))[n]++;                 \
}

Definition at line 166 of file stream.c.

#define DEFN_POP

(

T

)

Value:

T pop_##T(stream_t *self) \
  { T v; \
    if(self->ibyte>=self->nbytes) return 0; \
    v = *(T*)(self->d+self->ibyte); \
    self->ibyte+=sizeof(T); \
    return v; \
  }

Definition at line 114 of file stream.c.

#define DEFN_PUSH

(

T

)

Value:

void push_##T(stream_t *self, T v) \
  { *(T*)(self->d+self->ibyte) = v;  \
    self->ibyte+=sizeof(T);          \
    maybe_resize(self);              \
  }

Definition at line 62 of file stream.c.

#define ENDL   "\n"

Definition at line 17 of file stream.c.

#define MAX_TYPE

(

T

)

static const T max_##T = (T)(-1)

Definition at line 160 of file stream.c.

#define SAFE_FREE

(

e

)

if(e) { free(e); (e)=NULL; }

Definition at line 25 of file stream.c.

#define TRY

(

e

)

Value:

do{ if(!(e)) {\
    printf("%s(%d):"ENDL "\t%s"ENDL "\tExpression evaluated as false."ENDL, \
        __FILE__,__LINE__,#e); \
    goto Error; \
  }} while(0)

Definition at line 18 of file stream.c.

---

Typedef Documentation

typedef int16_t i16

Definition at line 13 of file stream.c.

typedef int32_t i32

Definition at line 14 of file stream.c.

typedef int64_t i64

Definition at line 15 of file stream.c.

typedef int8_t i8

Definition at line 12 of file stream.c.

typedef uint16_t u16

Definition at line 9 of file stream.c.

typedef uint32_t u32

Definition at line 10 of file stream.c.

typedef uint64_t u64

Definition at line 11 of file stream.c.

typedef uint8_t u8

Definition at line 8 of file stream.c.

---

Function Documentation

void attach	(	stream_t *	self,
		void *	d,
		size_t	n
	)

Definition at line 38 of file stream.c.

void carry_u1

(

stream_t *

self

)

Definition at line 178 of file stream.c.

void carry_u4

(

stream_t *

self

)

Definition at line 192 of file stream.c.

DEFN_CARRY

(

u8

)

DEFN_CARRY

(

u32

)

DEFN_CARRY

(

u64

)

DEFN_POP

(

u8

)

DEFN_POP

(

u32

)

DEFN_POP

(

u64

)

DEFN_POP

(

i8

)

DEFN_POP

(

i16

)

DEFN_POP

(

i32

)

DEFN_POP

(

i64

)

DEFN_PUSH

(

u8

)

DEFN_PUSH

(

u32

)

DEFN_PUSH

(

u64

)

DEFN_PUSH

(

i8

)

DEFN_PUSH

(

i16

)

DEFN_PUSH

(

i32

)

DEFN_PUSH

(

i64

)

void detach	(	stream_t *	self,
		void **	d,
		size_t *	n
	)

Definition at line 46 of file stream.c.

MAX_TYPE

(

u8

)

MAX_TYPE

(

u32

)

MAX_TYPE

(

u64

)

static void maybe_init

(

stream_t *

self

)

[static]

Definition at line 27 of file stream.c.

static void maybe_resize

(

stream_t *

s

)

[static]

Definition at line 52 of file stream.c.

u8 pop_u1

(

stream_t *

self

)

Definition at line 131 of file stream.c.

u8 pop_u4

(

stream_t *

self

)

Definition at line 145 of file stream.c.

void push_u1	(	stream_t *	self,
		u8	v
	)

Definition at line 77 of file stream.c.

void push_u4	(	stream_t *	self,
		u8	v
	)

Definition at line 95 of file stream.c.