112 lines
2.5 KiB
C
112 lines
2.5 KiB
C
#include <stdint.h>
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#include "nss_db.h"
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/* This file contains dummy definitions of the DB structure of the
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Berkeley DB. We are only interested in the function pointers since
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this is the interface to the database. Unfortunately the structure
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changed over time and we have to take this into account. */
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/* The values to select the database type are unchanged over the version.
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Define only what we really need. */
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#define DB_BTREE (1)
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/* Permission flags are also not changed. */
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#define DB_RDONLY 0x010000
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/* This is for the db-2.x version up to 2.x.y. We use the name `db24' since
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this is the version which was shipped with glibc 2.1. */
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struct db24
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{
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void *mutexp;
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enum { dummy24 } type;
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void *dbenv;
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void *mp_dbenv;
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void *master;
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void *internal;
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void *mp;
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void *mpf;
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struct
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{
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void *tqh_first;
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void **tqh_last;
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} curs_queue;
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struct {
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void *lh_first;
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} handleq;
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struct {
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void *le_next;
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void **le_prev;
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} links;
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uint32_t log_fileid;
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void *txn;
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uint32_t locker;
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struct db24_dbt {
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void *data;
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uint32_t size;
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uint32_t ulen;
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uint32_t dlen;
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uint32_t doff;
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uint32_t flags;
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} lock_dbt;
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struct{
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uint32_t pgno;
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uint8_t fileid[20];
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} lock;
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size_t pgsize;
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void *db_malloc;
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/* Functions. */
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int (*close) (void *, uint32_t);
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int (*cursor) (void *, void *, void **);
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int (*del) (void *, void *, DBT *, uint32_t);
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int (*fd) (void *, int *);
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int (*get) (void *, void *, DBT *, DBT *, uint32_t);
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int (*put) (void *, void *, DBT *, DBT *, uint32_t);
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int (*stat) (void *, void *, void *(*)(size_t), uint32_t);
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int (*sync) (void *, uint32_t);
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};
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/* Version 2.7, slightly incompatible with version 2.4. */
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struct db27
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{
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void *mutexp;
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enum { dummy27 } type;
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int byteswapped;
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void *dbenv;
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void *mp_dbenv;
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void *internal;
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void *mp;
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void *mpf;
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struct
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{
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void *tqh_first;
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void **tqh_last;
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} free_queue;
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struct
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{
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void *tqh_first;
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void **tqh_last;
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} active_queue;
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struct {
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void *lh_first;
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} handleq;
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uint8_t fileid[20];
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uint32_t log_fileid;
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size_t pgsize;
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void *db_malloc;
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void *dup_compare;
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void *h_hash;
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/* Functions. */
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int (*am_close) (void *);
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int (*close) (void *, uint32_t);
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int (*cursor) (void *, void *, void **, uint32_t);
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int (*del) (void *, void *, DBT *, uint32_t);
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int (*fd) (void *, int *);
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int (*get) (void *, void *, DBT *, DBT *, uint32_t);
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int (*put) (void *, void *, DBT *, DBT *, uint32_t);
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int (*stat) (void *, void *, void *(*)(size_t), uint32_t);
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int (*sync) (void *, uint32_t);
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};
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