Referencia del Archivo src/qt/src/3rdparty/sqlite/pager.c

#include "os.h"
#include "sqliteInt.h"
#include "pager.h"
#include <assert.h>
#include <string.h>

Clases
struct	PgHdr
struct	Pager
struct	PageRecord
'defines'
#define	SET_PAGER(X)
#define	CLR_PAGER(X)
#define	TRACE1(X)
#define	TRACE2(X, Y)
#define	TRACE3(X, Y, Z)
#define	SQLITE_UNLOCK   0
#define	SQLITE_READLOCK   1
#define	SQLITE_WRITELOCK   2
#define	CODEC(P, D, N, X)
#define	PGHDR_TO_DATA(P)   ((void*)(&(P)[1]))
#define	DATA_TO_PGHDR(D)   (&((PgHdr*)(D))[-1])
#define	PGHDR_TO_EXTRA(P)   ((void*)&((char*)(&(P)[1]))[SQLITE_PAGE_SIZE])
#define	N_PG_HASH   2048
#define	pager_hash(PN)   ((PN)&(N_PG_HASH-1))
#define	PAGER_ERR_FULL   0x01
#define	PAGER_ERR_MEM   0x02
#define	PAGER_ERR_LOCK   0x04
#define	PAGER_ERR_CORRUPT   0x08
#define	PAGER_ERR_DISK   0x10
#define	JOURNAL_FORMAT_1   1
#define	JOURNAL_FORMAT_2   2
#define	JOURNAL_FORMAT_3   3
#define	journal_format   3
#define	JOURNAL_HDR_SZ(X)   (sizeof(aJournalMagic1) + sizeof(Pgno) + ((X)>=3)*2*sizeof(u32))
#define	JOURNAL_PG_SZ(X)   (SQLITE_PAGE_SIZE + sizeof(Pgno) + ((X)>=3)*sizeof(u32))
#define	REFINFO(X)
#define	page_ref(P)   ((P)->nRef==0?_page_ref(P):(void)(P)->nRef++)
'typedefs'
typedef struct PgHdr	PgHdr
typedef struct PageRecord	PageRecord
Funciones
void	sqlitepager_set_cachesize (Pager *pPager, int mxPage)
void	sqlitepager_set_safety_level (Pager *pPager, int level)
int	sqlitepager_open (Pager **ppPager, const char *zFilename, int mxPage, int nExtra, int useJournal)
void	sqlitepager_set_destructor (Pager *pPager, void(*xDesc)(void *))
int	sqlitepager_pagecount (Pager *pPager)
int	sqlitepager_truncate (Pager *pPager, Pgno nPage)
int	sqlitepager_close (Pager *pPager)
Pgno	sqlitepager_pagenumber (void *pData)
int	sqlitepager_ref (void *pData)
int	sqlitepager_get (Pager *pPager, Pgno pgno, void **ppPage)
void *	sqlitepager_lookup (Pager *pPager, Pgno pgno)
int	sqlitepager_unref (void *pData)
int	sqlitepager_begin (void *pData)
int	sqlitepager_write (void *pData)
int	sqlitepager_iswriteable (void *pData)
int	sqlitepager_overwrite (Pager *pPager, Pgno pgno, void *pData)
void	sqlitepager_dont_write (Pager *pPager, Pgno pgno)
void	sqlitepager_dont_rollback (void *pData)
int	sqlitepager_commit (Pager *pPager)
int	sqlitepager_rollback (Pager *pPager)
int	sqlitepager_isreadonly (Pager *pPager)
int *	sqlitepager_stats (Pager *pPager)
int	sqlitepager_ckpt_begin (Pager *pPager)
int	sqlitepager_ckpt_commit (Pager *pPager)
int	sqlitepager_ckpt_rollback (Pager *pPager)
const char *	sqlitepager_filename (Pager *pPager)
void	sqlitepager_set_codec (Pager *pPager, void(*xCodec)(void *, void *, Pgno, int), void *pCodecArg)

---

Documentación de los 'defines'

#define CLR_PAGER

(

X

)

#define CODEC	(		P,
			D,
			N,
			X
	)

#define DATA_TO_PGHDR

(

D

)

(&((PgHdr*)(D))[-1])

#define journal_format   3

#define JOURNAL_FORMAT_1   1

#define JOURNAL_FORMAT_2   2

#define JOURNAL_FORMAT_3   3

#define JOURNAL_HDR_SZ

(

X

)

(sizeof(aJournalMagic1) + sizeof(Pgno) + ((X)>=3)*2*sizeof(u32))

#define JOURNAL_PG_SZ

(

X

)

(SQLITE_PAGE_SIZE + sizeof(Pgno) + ((X)>=3)*sizeof(u32))

#define N_PG_HASH   2048

#define page_ref

(

P

)

((P)->nRef==0?_page_ref(P):(void)(P)->nRef++)

#define PAGER_ERR_CORRUPT   0x08

#define PAGER_ERR_DISK   0x10

#define PAGER_ERR_FULL   0x01

#define PAGER_ERR_LOCK   0x04

#define PAGER_ERR_MEM   0x02

#define pager_hash

(

PN

)

((PN)&(N_PG_HASH-1))

#define PGHDR_TO_DATA

(

P

)

((void*)(&(P)[1]))

#define PGHDR_TO_EXTRA

(

P

)

((void*)&((char*)(&(P)[1]))[SQLITE_PAGE_SIZE])

#define REFINFO

(

X

)

#define SET_PAGER

(

X

)

#define SQLITE_READLOCK   1

#define SQLITE_UNLOCK   0

#define SQLITE_WRITELOCK   2

#define TRACE1

(

X

)

#define TRACE2	(		X,
			Y
	)

#define TRACE3	(		X,
			Y,
			Z
	)

---

Documentación de los 'typedefs'

typedef struct PageRecord PageRecord

typedef struct PgHdr PgHdr

---

Documentación de las funciones

int sqlitepager_begin

(

void *

pData

)

int sqlitepager_ckpt_begin

(

Pager *

pPager

)

int sqlitepager_ckpt_commit

(

Pager *

pPager

)

int sqlitepager_ckpt_rollback

(

Pager *

pPager

)

int sqlitepager_close

(

Pager *

pPager

)

int sqlitepager_commit

(

Pager *

pPager

)

void sqlitepager_dont_rollback

(

void *

pData

)

void sqlitepager_dont_write	(	Pager *	pPager,
		Pgno	pgno
	)

const char* sqlitepager_filename

(

Pager *

pPager

)

int sqlitepager_get	(	Pager *	pPager,
		Pgno	pgno,
		void **	ppPage
	)

int sqlitepager_isreadonly

(

Pager *

pPager

)

int sqlitepager_iswriteable

(

void *

pData

)

void* sqlitepager_lookup	(	Pager *	pPager,
		Pgno	pgno
	)

int sqlitepager_open	(	Pager **	ppPager,
		const char *	zFilename,
		int	mxPage,
		int	nExtra,
		int	useJournal
	)

int sqlitepager_overwrite	(	Pager *	pPager,
		Pgno	pgno,
		void *	pData
	)

int sqlitepager_pagecount

(

Pager *

pPager

)

Pgno sqlitepager_pagenumber

(

void *

pData

)

int sqlitepager_ref

(

void *

pData

)

int sqlitepager_rollback

(

Pager *

pPager

)

void sqlitepager_set_cachesize	(	Pager *	pPager,
		int	mxPage
	)

void sqlitepager_set_codec	(	Pager *	pPager,
		void(*)(void *, void *, Pgno, int)	xCodec,
		void *	pCodecArg
	)

void sqlitepager_set_destructor	(	Pager *	pPager,
		void(*)(void *)	xDesc
	)

void sqlitepager_set_safety_level	(	Pager *	pPager,
		int	level
	)

int* sqlitepager_stats

(

Pager *

pPager

)

int sqlitepager_truncate	(	Pager *	pPager,
		Pgno	nPage
	)

int sqlitepager_unref

(

void *

pData

)

int sqlitepager_write

(

void *

pData

)