http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/htdig_db/db.h

/*- * See the file LICENSE for redistribution information. * * Copyright (c) 1996, 1997, 1998, 1999 * Sleepycat Software. All rights reserved. * * @(#)db.src 11.20 (Sleepycat) 10/28/99 */ #ifndef _DB_H_ #define _DB_H_ #ifndef __NO_SYSTEM_INCLUDES #include <sys/types.h> #include <sys/stat.h> #include <stdio.h> #endif /* * XXX * MacOS: ensure that Metrowerks C makes enumeration types int sized. */ #ifdef __MWERKS__ #pragma enumsalwaysint on #endif /* * XXX * Handle function prototypes and the keyword "const". This steps on name * space that DB doesn't control, but all of the other solutions are worse. * * XXX * While Microsoft's compiler is ANSI C compliant, it doesn't have _STDC_ * defined by default, you specify a command line flag or #pragma to turn * it on. Don't do that, however, because some of Microsoft's own header * files won't compile. */ #undef __P #if defined(__STDC__) || defined(__cplusplus) || defined(_MSC_VER) #define __P(protos) protos /* ANSI C prototypes */ #else #define const #define __P(protos) () /* K&R C preprocessor */ #endif /* * !!! * DB needs basic information about specifically sized types. If they're * not provided by the system, typedef them here. * * We protect them against multiple inclusion using __BIT_TYPES_DEFINED__, * as does BIND and Kerberos, since we don't know for sure what #include * files the user is using. * * !!! * We also provide the standard u_int, u_long etc., if they're not provided * by the system. */ #ifndef __BIT_TYPES_DEFINED__ #define __BIT_TYPES_DEFINED__ #endif #define DB_VERSION_MAJOR 3 #define DB_VERSION_MINOR 0 #define DB_VERSION_PATCH 55 #define DB_VERSION_STRING "Sleepycat Software: Berkeley DB 3.0.55: (February 28, 2000)" typedef u_int32_t db_pgno_t; /* Page number type. */ typedef u_int16_t db_indx_t; /* Page offset type. */ #define DB_MAX_PAGES 0xffffffff /* >= # of pages in a file */ typedef u_int32_t db_recno_t; /* Record number type. */ #define DB_MAX_RECORDS 0xffffffff /* >= # of records in a tree */ /* Forward structure declarations, so applications get type checking. */ struct __db; typedef struct __db DB; #ifdef DB_DBM_HSEARCH typedef struct __db DBM; #endif struct __db_bt_stat; typedef struct __db_bt_stat DB_BTREE_STAT; struct __db_dbt; typedef struct __db_dbt DBT; struct __db_env; typedef struct __db_env DB_ENV; struct __db_h_stat; typedef struct __db_h_stat DB_HASH_STAT; struct __db_ilock; typedef struct __db_ilock DB_LOCK_ILOCK; struct __db_lock_stat; typedef struct __db_lock_stat DB_LOCK_STAT; struct __db_lock_u; typedef struct __db_lock_u DB_LOCK; struct __db_lockreq; typedef struct __db_lockreq DB_LOCKREQ; struct __db_log_stat; typedef struct __db_log_stat DB_LOG_STAT; struct __db_lsn; typedef struct __db_lsn DB_LSN; struct __db_mpool_finfo;typedef struct __db_mpool_finfo DB_MPOOL_FINFO; struct __db_mpool_fstat;typedef struct __db_mpool_fstat DB_MPOOL_FSTAT; struct __db_mpool_stat; typedef struct __db_mpool_stat DB_MPOOL_STAT; struct __db_mpoolfile; typedef struct __db_mpoolfile DB_MPOOLFILE; struct __db_qam_stat; typedef struct __db_qam_stat DB_QUEUE_STAT; struct __db_txn; typedef struct __db_txn DB_TXN; struct __db_txn_active; typedef struct __db_txn_active DB_TXN_ACTIVE; struct __db_txn_stat; typedef struct __db_txn_stat DB_TXN_STAT; struct __dbc; typedef struct __dbc DBC; struct __fh_t; typedef struct __fh_t DB_FH; struct __db_cmpr_info; typedef struct __db_cmpr_info DB_CMPR_INFO; /* Key/data structure -- a Data-Base Thang. */ struct __db_dbt { void *data; /* key/data */ u_int32_t size; /* key/data length */ u_int32_t ulen; /* RO: length of user buffer. */ u_int32_t dlen; /* RO: get/put record length. */ u_int32_t doff; /* RO: get/put record offset. */ #define DB_DBT_INTERNAL 0x001 /* Ignore user's malloc (internal). */ #define DB_DBT_MALLOC 0x002 /* Return in malloc'd memory. */ #define DB_DBT_PARTIAL 0x004 /* Partial put/get. */ #define DB_DBT_REALLOC 0x008 /* Return in realloc'd memory. */ #define DB_DBT_USERMEM 0x010 /* Return in user's memory. */ u_int32_t flags; }; /* * Information from user specified page compression */ struct __db_cmpr_info { int (*compress) /* Compression function */ __P((const u_int8_t*, int, u_int8_t**, int*,void *)); int (*uncompress) /* Uncompression function */ __P((const u_int8_t*, int, u_int8_t*, int,void *)); u_int8_t coefficient; /* Compression factor is 1<<coefficient */ u_int8_t max_npages; /* Max number of pages worst case */ u_int8_t zlib_flags; /* Zlib Compresson Level */ void *user_data; /* Persistent information for compression functions */ }; /* * Flags understood by both CDB_db_create and CDB_db_env_create. */ #define DB_CXX_NO_EXCEPTIONS 0x000001 /* C++: return error values. */ /* * Flags understood by only CDB_db_create. */ #define DB_XA_CREATE 0x000002 /* Open in an XA environment. */ /* * Flags understood by both DBENV->open and DB->open. */ #define DB_CREATE 0x000001 /* Create file as necessary. */ #define DB_NOMMAP 0x000002 /* Don't mmap underlying file. */ #define DB_THREAD 0x000004 /* Applications are threaded. */ /* * Flags understood by both DBENV->open and DBENV->remove. */ #define DB_FORCE 0x000008 /* Force (anything). */ #define DB_INIT_CDB 0x000010 /* Concurrent Access Methods. */ #define DB_INIT_LOCK 0x000020 /* Initialize locking. */ #define DB_INIT_LOG 0x000040 /* Initialize logging. */ #define DB_INIT_MPOOL 0x000080 /* Initialize mpool. */ #define DB_INIT_TXN 0x000100 /* Initialize transactions. */ #define DB_RECOVER 0x000200 /* Run normal recovery. */ #define DB_RECOVER_FATAL 0x000400 /* Run catastrophic recovery. */ #define DB_SYSTEM_MEM 0x000800 /* Use system-backed memory. */ #define DB_TXN_NOSYNC 0x001000 /* Do not sync log on commit. */ #define DB_USE_ENVIRON 0x002000 /* Use the environment. */ #define DB_USE_ENVIRON_ROOT 0x004000 /* Use the environment if root. */ /* * Flags understood by only DBENV->open. */ #define DB_LOCKDOWN 0x008000 /* Lock memory into physical core. */ #define DB_PRIVATE 0x010000 /* DB_ENV is process local. */ /* * Flags understood by DBENV->CDB_txn_begin. */ /* DB_TXN_NOSYNC 0x001000 Do not sync log on commit. */ #define DB_TXN_SYNC 0x000001 /* Always sync log on commit. */ #define DB_TXN_NOWAIT 0x000002 /* Do not wait for locks in this TXN. */ /* * Flags understood by only DB->open. */ #define DB_EXCL 0x000008 /* Exclusive open (O_EXCL). */ #define DB_RDONLY 0x000010 /* Read-only (O_RDONLY). */ #define DB_TRUNCATE 0x000020 /* Discard existing DB (O_TRUNC). */ #define DB_FCNTL_LOCKING 0x000040 /* Undocumented: fcntl(2) locking. */ #define DB_COMPRESS 0x000080 /* Transparent I/O compression */ /* * Flags understood by only DB->set_feedback's callback. */ /* DB_RECOVER 0x000200 Running recovery. */ #define DB_UPGRADE 0x000001 /* Upgrading. */ /* * Deadlock detector modes; used in the DBENV structure to configure the * locking subsystem. */ #define DB_LOCK_NORUN 0 #define DB_LOCK_DEFAULT 1 /* Default policy. */ #define DB_LOCK_OLDEST 2 /* Abort oldest transaction. */ #define DB_LOCK_RANDOM 3 /* Abort random transaction. */ #define DB_LOCK_YOUNGEST 4 /* Abort youngest transaction. */ /* * Flags understood by only DB->set_flags. */ #define DB_DUP 0x0001 /* Btree, Hash: duplicate keys. */ #define DB_DUPSORT 0x0002 /* Btree, Hash: duplicate keys. */ #define DB_RECNUM 0x0004 /* Btree: record numbers. */ #define DB_RENUMBER 0x0008 /* Recno: renumber on insert/delete. */ #define DB_REVSPLITOFF 0x0010 /* Btree: turn off reverse splits. */ #define DB_SNAPSHOT 0x0020 /* Recno: snapshot the input. */ struct __db_env { /******************************************************* * Public: owned by the application. *******************************************************/ FILE *db_errfile; /* Error message file stream. */ const char *db_errpfx; /* Error message prefix. */ /* Callbacks. */ void (*db_errcall) __P((const char *, char *)); void (*db_feedback) __P((DB_ENV *, int, int)); void (*db_paniccall) __P((DB_ENV *, int)); int (*db_recovery_init) __P((DB_ENV *)); /* * Currently, the verbose list is a bit field with room for 32 * entries. There's no reason that it needs to be limited, if * there are ever more than 32 entries, convert to a bit array. */ #define DB_VERB_CHKPOINT 0x0001 /* List checkpoints. */ #define DB_VERB_DEADLOCK 0x0002 /* Deadlock detection information. */ #define DB_VERB_RECOVERY 0x0004 /* Recovery information. */ #define DB_VERB_WAITSFOR 0x0008 /* Dump waits-for table. */ u_int32_t verbose; /* Verbose output. */ /* Locking. */ u_int8_t *lk_conflicts; /* Two dimensional conflict matrix. */ u_int32_t lk_modes; /* Number of lock modes in table. */ u_int32_t lk_max; /* Maximum number of locks. */ u_int32_t lk_detect; /* Deadlock detect on all conflicts. */ /* Logging. */ u_int32_t lg_bsize; /* Buffer size. */ u_int32_t lg_max; /* Maximum file size. */ /* Memory pool. */ u_int32_t mp_gbytes; /* Cachesize: GB. */ u_int32_t mp_bytes; /* Cachesize: Bytes. */ size_t mp_size; /* DEPRECATED: Cachesize: bytes. */ int mp_ncache; /* Number of cache regions. */ size_t mp_mmapsize; /* Maximum file size for mmap. */ DB_CMPR_INFO * mp_cmpr_info; /* Compression info. */ /* Transactions. */ u_int32_t tx_max; /* Maximum number of transactions. */ int (*tx_recover) /* Dispatch function for recovery. */ __P((DB_ENV *, DBT *, DB_LSN *, int, void *)); /******************************************************* * Private: owned by DB. *******************************************************/ int db_panic; /* Panic causing errno. */ /* User files, paths. */ char *db_home; /* Database home. */ char *db_log_dir; /* Database log file directory. */ char *db_tmp_dir; /* Database tmp file directory. */ char **db_data_dir; /* Database data file directories. */ int data_cnt; /* Database data file slots. */ int data_next; /* Next Database data file slot. */ int db_mode; /* Default open permissions. */ void *reginfo; /* REGINFO structure reference. */ DB_FH *lockfhp; /* Fcntl(2) locking file handle. */ void *lg_handle; /* Log handle. */ void *lk_handle; /* Lock handle. */ void *mp_handle; /* Mpool handle. */ void *tx_handle; /* Txn handle. */ int (**dtab) /* Dispatch table */ __P((DB_ENV *, DBT *, DB_LSN *, int, void *)); size_t dtab_size; /* Slots in the dispatch table. */ /* * XA support. * * !!! * Explicit representations of structures in queue.h. * * TAILQ_ENTRY(__db_env); */ struct { struct __db_env *tqe_next; struct __db_env **tqe_prev; } links; int xa_rmid; /* XA Resource Manager ID. */ DB_TXN *xa_txn; /* XA Current transaction. */ void *cj_internal; /* C++/Java private. */ /* Methods. */ int (*close) __P((DB_ENV *, u_int32_t)); void (*err) __P((const DB_ENV *, int, const char *, ...)); void (*errx) __P((const DB_ENV *, const char *, ...)); int (*open) __P((DB_ENV *, const char *, char * const *, u_int32_t, int)); int (*remove) __P((DB_ENV *, const char *, char * const *, u_int32_t)); void (*set_errcall) __P((DB_ENV *, void (*)(const char *, char *))); void (*set_errfile) __P((DB_ENV *, FILE *)); void (*set_errpfx) __P((DB_ENV *, const char *)); void (*set_feedback) __P((DB_ENV *, void (*)(DB_ENV *, int, int))); int (*set_recovery_init) __P((DB_ENV *, int (*)(DB_ENV *))); int (*set_mutexlocks) __P((DB_ENV *, int)); int (*set_pageyield) __P((DB_ENV *, int)); int (*set_panic) __P((DB_ENV *, int)); void (*set_paniccall) __P((DB_ENV *, void (*)(DB_ENV *, int))); int (*set_region_init) __P((DB_ENV *, int)); int (*set_tas_spins) __P((DB_ENV *, u_int32_t)); int (*set_verbose) __P((DB_ENV *, u_int32_t, int)); int (*set_lg_bsize) __P((DB_ENV *, u_int32_t)); int (*set_lg_max) __P((DB_ENV *, u_int32_t)); int (*set_lk_conflicts) __P((DB_ENV *, u_int8_t *, int)); int (*set_lk_detect) __P((DB_ENV *, u_int32_t)); int (*set_lk_max) __P((DB_ENV *, u_int32_t)); int (*set_mp_mmapsize) __P((DB_ENV *, size_t)); int (*set_cachesize) __P((DB_ENV *, u_int32_t, u_int32_t, int)); int (*set_tx_max) __P((DB_ENV *, u_int32_t)); int (*set_tx_recover) __P((DB_ENV *, int (*)(DB_ENV *, DBT *, DB_LSN *, int, void *))); int (*set_func_close) __P((DB_ENV *, int (*)(int))); int (*set_func_dirfree) __P((DB_ENV *, void (*)(char **, int))); int (*set_func_dirlist) __P((DB_ENV *, int (*)(const char *, char ***, int *))); int (*set_func_exists) __P((DB_ENV *, int (*)(const char *, int *))); int (*set_func_free) __P((DB_ENV *, void (*)(void *))); int (*set_func_fsync) __P((DB_ENV *, int (*)(int))); int (*set_func_ioinfo) __P((DB_ENV *, int (*)(const char *, int, u_int32_t *, u_int32_t *, u_int32_t *))); int (*set_func_malloc) __P((DB_ENV *, void *(*)(size_t))); int (*set_func_map) __P((DB_ENV *, int (*)(char *, size_t, int, int, void **))); int (*set_func_open) __P((DB_ENV *, int (*)(const char *, int, ...))); int (*set_func_read) __P((DB_ENV *, ssize_t (*)(int, void *, size_t))); int (*set_func_realloc) __P((DB_ENV *, void *(*)(void *, size_t))); int (*set_func_rename) __P((DB_ENV *, int (*)(const char *, const char *))); int (*set_func_seek) __P((DB_ENV *, int (*)(int, size_t, db_pgno_t, u_int32_t, int, int))); int (*set_func_sleep) __P((DB_ENV *, int (*)(u_long, u_long))); int (*set_func_unlink) __P((DB_ENV *, int (*)(const char *))); int (*set_func_unmap) __P((DB_ENV *, int (*)(void *, size_t))); int (*set_func_write) __P((DB_ENV *, ssize_t (*)(int, const void *, size_t))); int (*set_func_yield) __P((DB_ENV *, int (*)(void))); #ifdef CONFIG_TEST #define DB_TEST_PREOPEN 1 /* before CDB___os_open */ #define DB_TEST_POSTOPEN 2 /* after CDB___os_open */ #define DB_TEST_POSTLOGMETA 3 /* after logging meta in btree */ #define DB_TEST_POSTLOG 4 /* after logging all pages */ #define DB_TEST_POSTSYNC 5 /* after syncing the log */ #define DB_TEST_PRERENAME 6 /* before CDB___os_rename */ #define DB_TEST_POSTRENAME 7 /* after CDB___os_rename */ int test_abort; /* Abort value for testing. */ int test_copy; /* Copy value for testing. */ #endif #define DB_ENV_CDB 0x00001 /* DB_INIT_CDB. */ #define DB_ENV_CREATE 0x00002 /* DB_CREATE set. */ #define DB_ENV_DBLOCAL 0x00004 /* DB_ENV allocated for private DB. */ #define DB_ENV_LOCKDOWN 0x00008 /* DB_LOCKDOWN set. */ #define DB_ENV_LOCKING 0x00010 /* Locking initialized. */ #define DB_ENV_LOGGING 0x00020 /* Logging initialized. */ #define DB_ENV_NOMMAP 0x00040 /* DB_NOMMAP set. */ #define DB_ENV_OPEN_CALLED 0x00080 /* DBENV->open called (paths valid). */ #define DB_ENV_PRIVATE 0x00100 /* DB_PRIVATE set. */ #define DB_ENV_STANDALONE 0x00200 /* Test: freestanding environment. */ #define DB_ENV_SYSTEM_MEM 0x00400 /* DB_SYSTEM_MEM set. */ #define DB_ENV_THREAD 0x00800 /* DB_THREAD set. */ #define DB_ENV_TXN 0x01000 /* DB_TXN_NOSYNC set. */ #define DB_ENV_TXN_NOSYNC 0x02000 /* DB_TXN_NOSYNC set. */ #define DB_ENV_USER_ALLOC 0x04000 /* User allocated the structure. */ u_int32_t flags; /* Flags. */ }; /******************************************************* * Access methods. *******************************************************/ /* * !!! * Changes here must be reflected in java/src/com/sleepycat/db/Db.java. */ typedef enum { DB_BTREE=1, DB_HASH, DB_RECNO, DB_QUEUE, DB_UNKNOWN /* Figure it out on open. */ } DBTYPE; #define DB_BTREEVERSION 7 /* Current btree version. */ #define DB_BTREEOLDVER 6 /* Oldest btree version supported. */ #define DB_BTREEMAGIC 0x053162 #define DB_HASHVERSION 6 /* Current hash version. */ #define DB_HASHOLDVER 4 /* Oldest hash version supported. */ #define DB_HASHMAGIC 0x061561 #define DB_QAMVERSION 1 /* Current queue version. */ #define DB_QAMOLDVER 1 /* Oldest queue version supported. */ #define DB_QAMMAGIC 0x042253 #define DB_LOGVERSION 2 /* Current log version. */ #define DB_LOGOLDVER 2 /* Oldest log version supported. */ #define DB_LOGMAGIC 0x040988 /* * DB access method and cursor operation values. Each value is an operation * code to which additional bit flags are added. */ #define DB_AFTER 1 /* c_put() */ #define DB_APPEND 2 /* put() */ #define DB_BEFORE 3 /* c_put() */ #define DB_CHECKPOINT 4 /* CDB_log_put(), CDB_log_get() */ #define DB_CONSUME 5 /* c_get() */ #define DB_CURLSN 6 /* CDB_log_put() */ #define DB_CURRENT 7 /* c_get(), c_put(), CDB_log_get() */ #define DB_DUPCURSOR 8 /* cursor() (internal) */ #define DB_FIRST 9 /* c_get(), CDB_log_get() */ #define DB_FLUSH 10 /* CDB_log_put() */ #define DB_GET_BOTH 11 /* get(), c_get() */ #define DB_GET_RECNO 12 /* c_get() */ #define DB_JOIN_ITEM 13 /* c_get(); do not do primary lookup */ #define DB_KEYFIRST 14 /* c_put() */ #define DB_KEYLAST 15 /* c_put() */ #define DB_LAST 16 /* c_get(), CDB_log_get() */ #define DB_NEXT 17 /* c_get(), CDB_log_get() */ #define DB_NEXT_DUP 18 /* c_get() */ #define DB_NEXT_NODUP 19 /* c_get() */ #define DB_NOOVERWRITE 20 /* put() */ #define DB_NOSYNC 21 /* close() */ #define DB_POSITION 22 /* c_dup() */ #define DB_POSITIONI 23 /* c_dup() (internal) */ #define DB_PREV 24 /* c_get(), CDB_log_get() */ #define DB_RECORDCOUNT 25 /* stat() */ #define DB_SET 26 /* c_get(), CDB_log_get() */ #define DB_SET_RANGE 27 /* c_get() */ #define DB_SET_RECNO 28 /* get(), c_get() */ #define DB_WRITECURSOR 29 /* cursor() */ #define DB_WRITELOCK 30 /* cursor() (internal) */ /* This has to change when the max opcode above hits 32. */ #define DB_OPFLAGS_MASK 0x000000ff /* Mask for operations flags. */ #define DB_RMW 0x80000000 /* Acquire write flag immediately. */ /* * DB (user visible) error return codes. * * !!! * Changes to any of the user visible error return codes must be reflected * in java/src/com/sleepycat/db/Db.java. * * !!! * For source compatibility with DB 2.X deadlock return (EAGAIN), use the * following: * #include <errno.h> * #define DB_LOCK_DEADLOCK EAGAIN * * !!! * We don't want our error returns to conflict with other packages where * possible, so pick a base error value that's hopefully not common. */ #define DB_INCOMPLETE (-30999)/* Sync didn't finish. */ #define DB_KEYEMPTY (-30998)/* Key/data deleted or never created. */ #define DB_KEYEXIST (-30997)/* The key/data pair already exists. */ #define DB_LOCK_DEADLOCK (-30996)/* Deadlock. */ #define DB_LOCK_NOTGRANTED (-30995)/* Lock unavailable. */ #define DB_NOTFOUND (-30994)/* Key/data pair not found (EOF). */ #define DB_OLD_VERSION (-30993)/* Out-of-date version. */ #define DB_RUNRECOVERY (-30992)/* Panic return. */ /* DB (private) error return codes. */ #define DB_DELETED (-30991)/* Recovery file marked deleted. */ #define DB_NEEDSPLIT (-30990)/* Page needs to be split. */ #define DB_SWAPBYTES (-30989)/* Database needs byte swapping. */ #define DB_TXN_CKP (-30988)/* Encountered ckp record in log. */ #define DB_FILE_ID_LEN 20 /* DB file ID length. */ /* DB access method description structure. */ struct __db { /******************************************************* * Public: owned by the application. *******************************************************/ size_t pgsize; /* Database logical page size. */ /* Callbacks. */ void (*db_feedback) __P((DB *, int, int)); void *(*db_malloc) __P((size_t)); void *(*db_realloc) __P((void *, size_t)); int (*dup_compare) __P((const DBT *, const DBT *)); /******************************************************* * Private: owned by DB. *******************************************************/ DB_ENV *dbenv; /* Backing environment. */ DBTYPE type; /* DB access method type. */ DB_MPOOLFILE *mpf; /* Backing buffer pool. */ void *mutexp; /* Synchronization for free threading */ u_int8_t fileid[DB_FILE_ID_LEN];/* File's unique ID for locking. */ #define DB_LOGFILEID_INVALID -1 int32_t log_fileid; /* File's unique ID for logging. */ DB_TXN *open_txn; /* Transaction to protect creates. */ /* * !!! * Some applications use DB but implement their own locking outside of * DB. If they're using fcntl(2) locking on the underlying database * file, and we open and close a file descriptor for that file, we will * discard their locks. The DB_FCNTL_LOCKING flag to DB->open is an * undocumented interface to support this usage which leaves any file * descriptors we open until DB->close. This will only work with the * DB->open interface and simple caches, e.g., creating a transaction * thread may open/close file descriptors this flag doesn't protect. * Locking with fcntl(2) on a file that you don't own is a very, very * unsafe thing to do. 'Nuff said. */ DB_FH *saved_open_fhp; /* Saved file handle. */ /* * Cursor queues. * * !!! * Explicit representations of structures in queue.h. * * TAILQ_HEAD(free_queue, __dbc); * TAILQ_HEAD(active_queue, __dbc); */ struct { struct __dbc *tqh_first; struct __dbc **tqh_last; } free_queue; struct { struct __dbc *tqh_first; struct __dbc **tqh_last; } active_queue; void *bt_internal; /* Btree/Recno access method private. */ void *cj_internal; /* C++/Java private. */ void *h_internal; /* Hash access method private. */ void *q_internal; /* Queue access method private. */ void *xa_internal; /* XA private. */ /* Methods. */ int (*close) __P((DB *, u_int32_t)); int (*cursor) __P((DB *, DB_TXN *, DBC **, u_int32_t)); int (*del) __P((DB *, DB_TXN *, DBT *, u_int32_t)); void (*err) __P((DB *, int, const char *, ...)); void (*errx) __P((DB *, const char *, ...)); int (*fd) __P((DB *, int *)); int (*get) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t)); int (*get_byteswapped) __P((DB *)); DBTYPE (*get_type) __P((DB *)); int (*join) __P((DB *, DBC **, DBC **, u_int32_t)); int (*open) __P((DB *, const char *, const char *, DBTYPE, u_int32_t, int)); int (*put) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t)); int (*remove) __P((DB *, const char *, const char *, u_int32_t)); int (*set_cachesize) __P((DB *, u_int32_t, u_int32_t, int)); int (*set_dup_compare) __P((DB *, int (*)(const DBT *, const DBT *))); void (*set_errcall) __P((DB *, void (*)(const char *, char *))); void (*set_errfile) __P((DB *, FILE *)); void (*set_errpfx) __P((DB *, const char *)); void (*set_feedback) __P((DB *, void (*)(DB *, int, int))); int (*set_flags) __P((DB *, u_int32_t)); int (*set_lorder) __P((DB *, int)); int (*set_malloc) __P((DB *, void *(*)(size_t))); int (*set_pagesize) __P((DB *, u_int32_t)); void (*set_paniccall) __P((DB *, void (*)(DB_ENV *, int))); int (*set_realloc) __P((DB *, void *(*)(void *, size_t))); int (*stat) __P((DB *, void *, void *(*)(size_t), u_int32_t)); int (*sync) __P((DB *, u_int32_t)); int (*upgrade) __P((DB *, const char *, u_int32_t)); int (*set_bt_compare) __P((DB *, int (*)(const DBT *, const DBT *))); int (*set_bt_maxkey) __P((DB *, u_int32_t)); int (*set_bt_minkey) __P((DB *, u_int32_t)); int (*set_bt_prefix) __P((DB *, size_t (*)(const DBT *, const DBT *))); int (*set_h_ffactor) __P((DB *, u_int32_t)); int (*set_h_hash) __P((DB *, u_int32_t (*)(const void *, u_int32_t))); int (*set_h_nelem) __P((DB *, u_int32_t)); int (*set_re_delim) __P((DB *, int)); int (*set_re_len) __P((DB *, u_int32_t)); int (*set_re_pad) __P((DB *, int)); int (*set_re_source) __P((DB *, const char *)); #define DB_OK_BTREE 0x01 #define DB_OK_HASH 0x02 #define DB_OK_QUEUE 0x04 #define DB_OK_RECNO 0x08 u_int32_t am_ok; /* Legal AM choices. */ #define DB_AM_DISCARD 0x00001 /* Discard any cached pages. */ #define DB_AM_DUP 0x00002 /* DB_DUP. */ #define DB_AM_INMEM 0x00004 /* In-memory; no sync on close. */ #define DB_AM_PGDEF 0x00008 /* Page size was defaulted. */ #define DB_AM_RDONLY 0x00010 /* Database is readonly. */ #define DB_AM_SUBDB 0x00020 /* Subdatabases supported. */ #define DB_AM_SWAP 0x00040 /* Pages need to be byte-swapped. */ #define DB_BT_RECNUM 0x00080 /* DB_RECNUM. */ #define DB_BT_REVSPLIT 0x00100 /* DB_REVSPLITOFF. */ #define DB_DBM_ERROR 0x00200 /* Error in DBM/NDBM database. */ #define DB_OPEN_CALLED 0x00400 /* DB->open called. */ #define DB_RE_DELIMITER 0x00800 /* Variablen length delimiter set. */ #define DB_RE_FIXEDLEN 0x01000 /* Fixed-length records. */ #define DB_RE_PAD 0x02000 /* Fixed-length record pad. */ #define DB_RE_RENUMBER 0x04000 /* DB_RENUMBER. */ #define DB_RE_SNAPSHOT 0x08000 /* DB_SNAPSHOT. */ #define DB_AM_CMPR 0x10000 /* Transparent I/O compression */ u_int32_t flags; }; /* * DB_LOCK_ILOCK -- * Internal DB access method lock. */ struct __db_ilock { db_pgno_t pgno; /* Page being locked. */ u_int8_t fileid[DB_FILE_ID_LEN];/* File id. */ #define DB_RECORD_LOCK 1 #define DB_PAGE_LOCK 2 u_int8_t type; /* Record or Page lock */ }; /* * DB_LOCK -- * The structure is allocated by the caller and filled in during a * CDB_lock_get request (or a CDB_lock_vec/DB_LOCK_GET). */ struct __db_lock_u { size_t off; /* Offset of the lock in the region */ u_int32_t ndx; /* Index of the object referenced by * this lock; used for locking. */ u_int32_t gen; /* Generation number of this lock. */ }; /* Cursor description structure. */ struct __dbc { DB *dbp; /* Related DB access method. */ DB_TXN *txn; /* Associated transaction. */ /* * !!! * Explicit representations of structures in queue.h. * * TAILQ_ENTRY(__dbc) links; Active/free cursor queues. */ struct { struct __dbc *tqe_next; struct __dbc **tqe_prev; } links; u_int32_t lid; /* Default process' locker id. */ u_int32_t locker; /* Locker for this operation. */ DBT lock_dbt; /* DBT referencing lock. */ DB_LOCK_ILOCK lock; /* Object to be locked. */ DB_LOCK mylock; /* Lock held on this cursor. */ DBT rkey; /* Returned key. */ DBT rdata; /* Returned data. */ int (*c_close) __P((DBC *)); /* Methods: public. */ int (*c_del) __P((DBC *, u_int32_t)); int (*c_dup) __P((DBC *, DBC **, u_int32_t)); int (*c_get) __P((DBC *, DBT *, DBT *, u_int32_t)); int (*c_put) __P((DBC *, DBT *, DBT *, u_int32_t)); int (*c_am_close) __P((DBC *)); /* Methods: private. */ int (*c_am_destroy) __P((DBC *)); void *internal; /* Access method private. */ #define DBC_CONTINUE 0x001 /* Continue dup search: next item. */ #define DBC_RECOVER 0x002 /* In recovery (do not log or lock). */ #define DBC_RMW 0x004 /* Acquire write flag in read op. */ #define DBC_WRITECURSOR 0x008 /* Cursor may be used to write (CDB). */ #define DBC_WRITER 0x010 /* Cursor immediately writing (CDB). */ u_int32_t flags; }; /* Btree/Recno statistics structure. */ struct __db_bt_stat { u_int32_t bt_metaflags; /* Metadata flags. */ u_int32_t bt_maxkey; /* Maxkey value. */ u_int32_t bt_minkey; /* Minkey value. */ u_int32_t bt_re_len; /* Fixed-length record length. */ u_int32_t bt_re_pad; /* Fixed-length record pad. */ u_int32_t bt_pagesize; /* Page size. */ u_int32_t bt_levels; /* Tree levels. */ u_int32_t bt_nrecs; /* Number of records. */ u_int32_t bt_int_pg; /* Internal pages. */ u_int32_t bt_leaf_pg; /* Leaf pages. */ u_int32_t bt_dup_pg; /* Duplicate pages. */ u_int32_t bt_over_pg; /* Overflow pages. */ u_int32_t bt_free; /* Pages on the free list. */ u_int32_t bt_int_pgfree; /* Bytes free in internal pages. */ u_int32_t bt_leaf_pgfree; /* Bytes free in leaf pages. */ u_int32_t bt_dup_pgfree; /* Bytes free in duplicate pages. */ u_int32_t bt_over_pgfree; /* Bytes free in overflow pages. */ u_int32_t bt_magic; /* Magic number. */ u_int32_t bt_version; /* Version number. */ }; /* Queue statistics structure. */ struct __db_qam_stat { u_int32_t qs_magic; /* Magic number. */ u_int32_t qs_version; /* Version number. */ u_int32_t qs_metaflags; /* Metadata flags. */ u_int32_t qs_nrecs; /* Number of records. */ u_int32_t qs_pages; /* Data pages. */ u_int32_t qs_pagesize; /* Page size. */ u_int32_t qs_pgfree; /* Bytes free in data pages. */ u_int32_t qs_re_len; /* Fixed-length record length. */ u_int32_t qs_re_pad; /* Fixed-length record pad. */ u_int32_t qs_start; /* Start offset. */ u_int32_t qs_first_recno; /* First not deleted record. */ u_int32_t qs_cur_recno; /* Last allocated record number. */ }; /* Hash statistics structure. */ struct __db_h_stat { u_int32_t hash_magic; /* Magic number. */ u_int32_t hash_version; /* Version number. */ u_int32_t hash_metaflags; /* Metadata flags. */ u_int32_t hash_pagesize; /* Page size. */ u_int32_t hash_nelem; /* Original nelem specified. */ u_int32_t hash_ffactor; /* Fill factor specified at create. */ u_int32_t hash_nrecs; /* Number of records. */ u_int32_t hash_buckets; /* Number of hash buckets. */ u_int32_t hash_free; /* Pages on the free list. */ u_int32_t hash_bfree; /* Bytes free on bucket pages. */ u_int32_t hash_bigpages; /* Number of big key/data pages. */ u_int32_t hash_big_bfree; /* Bytes free on big item pages. */ u_int32_t hash_overflows; /* Number of overflow pages. */ u_int32_t hash_ovfl_free; /* Bytes free on ovfl pages. */ u_int32_t hash_dup; /* Number of dup pages. */ u_int32_t hash_dup_free; /* Bytes free on duplicate pages. */ }; #if defined(__cplusplus) extern "C" { #endif int CDB_db_create __P((DB **, DB_ENV *, u_int32_t)); int CDB_db_env_create __P((DB_ENV **, u_int32_t)); char *CDB_db_strerror __P((int)); char *CDB_db_version __P((int *, int *, int *)); #if defined(__cplusplus) } #endif /******************************************************* * Locking *******************************************************/ #define DB_LOCKVERSION 1 /* Flag values for CDB_lock_vec(), CDB_lock_get(). */ #define DB_LOCK_NOWAIT 0x01 /* Don't wait on unavailable lock. */ #define DB_LOCK_RECORD 0x02 /* Internal: record lock. */ #define DB_LOCK_UPGRADE 0x04 /* Internal: upgrade existing lock. */ /* Flag values for CDB_lock_detect(). */ #define DB_LOCK_CONFLICT 0x01 /* Run on any conflict. */ /* * Request types. * * !!! * Changes here must be reflected in java/src/com/sleepycat/db/Db.java. */ typedef enum { DB_LOCK_DUMP=0, /* Display held locks. */ DB_LOCK_GET, /* Get the lock. */ DB_LOCK_INHERIT, /* Pass locks to parent. */ DB_LOCK_PUT, /* Release the lock. */ DB_LOCK_PUT_ALL, /* Release locker's locks. */ DB_LOCK_PUT_OBJ /* Release locker's locks on obj. */ } db_lockop_t; /* * Simple R/W lock modes and for multi-granularity intention locking. * * !!! * These values are NOT random, as they are used as an index into the lock * conflicts arrays, i.e., DB_LOCK_IWRITE must be == 3, and DB_LOCK_IREAD * must be == 4. * * !!! * Changes here must be reflected in java/src/com/sleepycat/db/Db.java. */ typedef enum { DB_LOCK_NG=0, /* Not granted. */ DB_LOCK_READ, /* Shared/read. */ DB_LOCK_WRITE, /* Exclusive/write. */ DB_LOCK_IWRITE, /* Intent exclusive/write. */ DB_LOCK_IREAD, /* Intent to share/read. */ DB_LOCK_IWR /* Intent to read and write. */ } db_lockmode_t; /* * Status of a lock. */ typedef enum { DB_LSTAT_ABORTED, /* Lock belongs to an aborted txn. */ DB_LSTAT_ERR, /* Lock is bad. */ DB_LSTAT_FREE, /* Lock is unallocated. */ DB_LSTAT_HELD, /* Lock is currently held. */ DB_LSTAT_NOGRANT, /* Lock was not granted. */ DB_LSTAT_PENDING, /* Lock was waiting and has been * promoted; waiting for the owner * to run and upgrade it to held. */ DB_LSTAT_WAITING /* Lock is on the wait queue. */ } db_status_t; /* Lock request structure. */ struct __db_lockreq { db_lockop_t op; /* Operation. */ db_lockmode_t mode; /* Requested mode. */ u_int32_t locker; /* Locker identity. */ DBT *obj; /* Object being locked. */ DB_LOCK lock; /* Lock returned. */ }; /* * Commonly used conflict matrices. * * Standard Read/Write (or exclusive/shared) locks. */ #define DB_LOCK_RW_N 3 extern const u_int8_t CDB_db_rw_conflicts[]; /* Multi-granularity locking. */ #define DB_LOCK_RIW_N 6 extern const u_int8_t CDB_db_riw_conflicts[]; struct __db_lock_stat { u_int32_t st_lastid; /* Last allocated locker ID. */ u_int32_t st_maxlocks; /* Maximum number of locks in table. */ u_int32_t st_nmodes; /* Number of lock modes. */ u_int32_t st_nlockers; /* Number of lockers. */ u_int32_t st_maxnlockers; /* Maximum number of lockers. */ u_int32_t st_nconflicts; /* Number of lock conflicts. */ u_int32_t st_nrequests; /* Number of lock gets. */ u_int32_t st_nreleases; /* Number of lock puts. */ u_int32_t st_ndeadlocks; /* Number of lock deadlocks. */ u_int32_t st_region_wait; /* Region lock granted after wait. */ u_int32_t st_region_nowait; /* Region lock granted without wait. */ u_int32_t st_regsize; /* Region size. */ }; #if defined(__cplusplus) extern "C" { #endif int CDB_lock_detect __P((DB_ENV *, u_int32_t, u_int32_t, int *)); int CDB_lock_get __P((DB_ENV *, u_int32_t, u_int32_t, const DBT *, db_lockmode_t, DB_LOCK *)); int CDB_lock_id __P((DB_ENV *, u_int32_t *)); int CDB_lock_put __P((DB_ENV *, DB_LOCK *)); int CDB_lock_stat __P((DB_ENV *, DB_LOCK_STAT **, void *(*)(size_t))); int CDB_lock_vec __P((DB_ENV *, u_int32_t, u_int32_t, DB_LOCKREQ *, int, DB_LOCKREQ **)); #if defined(__cplusplus) } #endif /******************************************************* * Logging. *******************************************************/ /* Flag values for CDB_log_archive(). */ #define DB_ARCH_ABS 0x001 /* Absolute pathnames. */ #define DB_ARCH_DATA 0x002 /* Data files. */ #define DB_ARCH_LOG 0x004 /* Log files. */ /* * A DB_LSN has two parts, a fileid which identifies a specific file, and an * offset within that file. The fileid is an unsigned 4-byte quantity that * uniquely identifies a file within the log directory -- currently a simple * counter inside the log. The offset is also an unsigned 4-byte value. The * log manager guarantees the offset is never more than 4 bytes by switching * to a new log file before the maximum length imposed by an unsigned 4-byte * offset is reached. */ struct __db_lsn { u_int32_t file; /* File ID. */ u_int32_t offset; /* File offset. */ }; /* Log statistics structure. */ struct __db_log_stat { u_int32_t st_magic; /* Log file magic number. */ u_int32_t st_version; /* Log file version number. */ int st_mode; /* Log file mode. */ u_int32_t st_lg_bsize; /* Log buffer size. */ u_int32_t st_lg_max; /* Maximum log file size. */ u_int32_t st_w_bytes; /* Bytes to log. */ u_int32_t st_w_mbytes; /* Megabytes to log. */ u_int32_t st_wc_bytes; /* Bytes to log since checkpoint. */ u_int32_t st_wc_mbytes; /* Megabytes to log since checkpoint. */ u_int32_t st_wcount; /* Total writes to the log. */ u_int32_t st_wcount_fill; /* Overflow writes to the log. */ u_int32_t st_scount; /* Total syncs to the log. */ u_int32_t st_region_wait; /* Region lock granted after wait. */ u_int32_t st_region_nowait; /* Region lock granted without wait. */ u_int32_t st_cur_file; /* Current log file number. */ u_int32_t st_cur_offset; /* Current log file offset. */ u_int32_t st_regsize; /* Region size. */ }; #if defined(__cplusplus) extern "C" { #endif int CDB_log_archive __P((DB_ENV *, char **[], u_int32_t, void *(*)(size_t))); int CDB_log_compare __P((const DB_LSN *, const DB_LSN *)); int CDB_log_file __P((DB_ENV *, const DB_LSN *, char *, size_t)); int CDB_log_flush __P((DB_ENV *, const DB_LSN *)); int CDB_log_get __P((DB_ENV *, DB_LSN *, DBT *, u_int32_t)); int CDB_log_put __P((DB_ENV *, DB_LSN *, const DBT *, u_int32_t)); int CDB_log_register __P((DB_ENV *, DB *, const char *, int32_t *)); int CDB_log_stat __P((DB_ENV *, DB_LOG_STAT **, void *(*)(size_t))); int CDB_log_unregister __P((DB_ENV *, int32_t)); #if defined(__cplusplus) } #endif /******************************************************* * Mpool *******************************************************/ /* Flag values for CDB_memp_fget(). */ #define DB_MPOOL_CREATE 0x001 /* Create a page. */ #define DB_MPOOL_LAST 0x002 /* Return the last page. */ #define DB_MPOOL_NEW 0x004 /* Create a new page. */ #define DB_MPOOL_NEW_GROUP 0x008 /* Create a group of pages. */ /* Flag values for CDB_memp_fput(), CDB_memp_fset(). */ #define DB_MPOOL_CLEAN 0x001 /* Page is not modified. */ #define DB_MPOOL_DIRTY 0x002 /* Page is modified. */ #define DB_MPOOL_DISCARD 0x004 /* Don't cache the page. */ /* Mpool statistics structure. */ struct __db_mpool_stat { u_int32_t st_cache_hit; /* Pages found in the cache. */ u_int32_t st_cache_miss; /* Pages not found in the cache. */ u_int32_t st_map; /* Pages from mapped files. */ u_int32_t st_page_create; /* Pages created in the cache. */ u_int32_t st_page_in; /* Pages read in. */ u_int32_t st_page_out; /* Pages written out. */ u_int32_t st_ro_evict; /* Clean pages forced from the cache. */ u_int32_t st_rw_evict; /* Dirty pages forced from the cache. */ u_int32_t st_hash_buckets; /* Number of hash buckets. */ u_int32_t st_hash_searches; /* Total hash chain searches. */ u_int32_t st_hash_longest; /* Longest hash chain searched. */ u_int32_t st_hash_examined; /* Total hash entries searched. */ u_int32_t st_page_clean; /* Clean pages. */ u_int32_t st_page_dirty; /* Dirty pages. */ u_int32_t st_page_trickle; /* Pages written by CDB_memp_trickle. */ u_int32_t st_region_wait; /* Region lock granted after wait. */ u_int32_t st_region_nowait; /* Region lock granted without wait. */ u_int32_t st_regsize; /* Region size. */ u_int32_t st_gbytes; /* Cache size: GB. */ u_int32_t st_bytes; /* Cache size: B. */ }; /* Mpool file open information structure. */ struct __db_mpool_finfo { int ftype; /* File type. */ DBT *pgcookie; /* Byte-string passed to pgin/pgout. */ u_int8_t *fileid; /* Unique file ID. */ int32_t lsn_offset; /* LSN offset in page. */ u_int32_t clear_len; /* Cleared length on created pages. */ }; /* Mpool file statistics structure. */ struct __db_mpool_fstat { char *file_name; /* File name. */ size_t st_pagesize; /* Page size. */ u_int32_t st_cache_hit; /* Pages found in the cache. */ u_int32_t st_cache_miss; /* Pages not found in the cache. */ u_int32_t st_map; /* Pages from mapped files. */ u_int32_t st_page_create; /* Pages created in the cache. */ u_int32_t st_page_in; /* Pages read in. */ u_int32_t st_page_out; /* Pages written out. */ }; #if defined(__cplusplus) extern "C" { #endif #if defined(__cplusplus) } #endif #if defined(__cplusplus) extern "C" { #endif int CDB_memp_fclose __P((DB_MPOOLFILE *)); int CDB_memp_fget __P((DB_MPOOLFILE *, db_pgno_t *, u_int32_t, void *)); int CDB_memp_fopen __P((DB_ENV *, const char *, u_int32_t, int, size_t, DB_MPOOL_FINFO *, DB_MPOOLFILE **)); int CDB_memp_fput __P((DB_MPOOLFILE *, void *, u_int32_t)); int CDB_memp_fset __P((DB_MPOOLFILE *, void *, u_int32_t)); int CDB_memp_fsync __P((DB_MPOOLFILE *)); int CDB_memp_register __P((DB_ENV *, int, int (*)(db_pgno_t, void *, DBT *), int (*)(db_pgno_t, void *, DBT *))); int CDB_memp_stat __P((DB_ENV *, DB_MPOOL_STAT **, DB_MPOOL_FSTAT ***, void *(*)(size_t))); int CDB_memp_sync __P((DB_ENV *, DB_LSN *)); int CDB_memp_trickle __P((DB_ENV *, int, int *)); #if defined(__cplusplus) } #endif /******************************************************* * Transactions. *******************************************************/ #define DB_TXNVERSION 1 /* Operations values to the tx_recover() function. */ #define DB_TXN_BACKWARD_ROLL 1 /* Read the log backwards. */ #define DB_TXN_FORWARD_ROLL 2 /* Read the log forwards. */ #define DB_TXN_OPENFILES 3 /* Read for open files. */ #define DB_TXN_REDO 4 /* Redo the operation. */ #define DB_TXN_UNDO 5 /* Undo the operation. */ /* Internal transaction status values. */ /* Transaction statistics structure. */ struct __db_txn_active { u_int32_t txnid; /* Transaction ID */ u_int32_t parentid; /* Transaction ID of parent */ DB_LSN lsn; /* Lsn of the begin record */ }; struct __db_txn_stat { DB_LSN st_last_ckp; /* lsn of the last checkpoint */ DB_LSN st_pending_ckp; /* last checkpoint did not finish */ time_t st_time_ckp; /* time of last checkpoint */ u_int32_t st_last_txnid; /* last transaction id given out */ u_int32_t st_maxtxns; /* maximum txns possible */ u_int32_t st_naborts; /* number of aborted transactions */ u_int32_t st_nbegins; /* number of begun transactions */ u_int32_t st_ncommits; /* number of committed transactions */ u_int32_t st_nactive; /* number of active transactions */ u_int32_t st_maxnactive; /* maximum active transactions */ DB_TXN_ACTIVE *st_txnarray; /* array of active transactions */ u_int32_t st_region_wait; /* Region lock granted after wait. */ u_int32_t st_region_nowait; /* Region lock granted without wait. */ u_int32_t st_regsize; /* Region size. */ }; #if defined(__cplusplus) extern "C" { #endif int CDB_txn_abort __P((DB_TXN *)); int CDB_txn_begin __P((DB_ENV *, DB_TXN *, DB_TXN **, u_int32_t)); int CDB_txn_checkpoint __P((DB_ENV *, u_int32_t, u_int32_t)); int CDB_txn_commit __P((DB_TXN *, u_int32_t)); u_int32_t CDB_txn_id __P((DB_TXN *)); int CDB_txn_prepare __P((DB_TXN *)); int CDB_txn_stat __P((DB_ENV *, DB_TXN_STAT **, void *(*)(size_t))); #if defined(__cplusplus) } #endif #ifndef DB_DBM_HSEARCH #define DB_DBM_HSEARCH 0 /* No historic interfaces by default. */ #endif #if DB_DBM_HSEARCH != 0 /******************************************************* * Dbm/Ndbm historic interfaces. *******************************************************/ #define DBM_INSERT 0 /* Flags to dbm_store(). */ #define DBM_REPLACE 1 /* * The DB support for ndbm(3) always appends this suffix to the * file name to avoid overwriting the user's original database. */ #define DBM_SUFFIX ".db" #if defined(_XPG4_2) typedef struct { char *dptr; size_t dsize; } datum; #else typedef struct { char *dptr; int dsize; } datum; #endif /* * Translate DBM calls into DB calls so that DB doesn't step on the * application's name space. * * The global variables dbrdonly, dirf and pagf were not retained when 4BSD * replaced the dbm interface with ndbm, and are not supported here. */ #define dbminit(a) __db_dbm_init(a) #define dbmclose __db_dbm_close #if !defined(__cplusplus) #define delete(a) __db_dbm_delete(a) #endif #define fetch(a) __db_dbm_fetch(a) #define firstkey __db_dbm_firstkey #define nextkey(a) __db_dbm_nextkey(a) #define store(a, b) __db_dbm_store(a, b) /* Prototype the DB calls. */ #if defined(__cplusplus) extern "C" { #endif int __db_dbm_close __P((void)); int __db_dbm_dbrdonly __P((void)); int __db_dbm_delete __P((datum)); int __db_dbm_dirf __P((void)); datum __db_dbm_fetch __P((datum)); datum __db_dbm_firstkey __P((void)); int __db_dbm_init __P((char *)); datum __db_dbm_nextkey __P((datum)); int __db_dbm_pagf __P((void)); int __db_dbm_store __P((datum, datum)); #if defined(__cplusplus) } #endif /* * Translate NDBM calls into DB calls so that DB doesn't step on the * application's name space. */ #define dbm_clearerr(a) __db_ndbm_clearerr(a) #define dbm_close(a) __db_ndbm_close(a) #define dbm_delete(a, b) __db_ndbm_delete(a, b) #define dbm_dirfno(a) __db_ndbm_dirfno(a) #define dbm_error(a) __db_ndbm_error(a) #define dbm_fetch(a, b) __db_ndbm_fetch(a, b) #define dbm_firstkey(a) __db_ndbm_firstkey(a) #define dbm_nextkey(a) __db_ndbm_nextkey(a) #define dbm_open(a, b, c) __db_ndbm_open(a, b, c) #define dbm_pagfno(a) __db_ndbm_pagfno(a) #define dbm_rdonly(a) __db_ndbm_rdonly(a) #define dbm_store(a, b, c, d) __db_ndbm_store(a, b, c, d) /* Prototype the DB calls. */ #if defined(__cplusplus) extern "C" { #endif int __db_ndbm_clearerr __P((DBM *)); void __db_ndbm_close __P((DBM *)); int __db_ndbm_delete __P((DBM *, datum)); int __db_ndbm_dirfno __P((DBM *)); int __db_ndbm_error __P((DBM *)); datum __db_ndbm_fetch __P((DBM *, datum)); datum __db_ndbm_firstkey __P((DBM *)); datum __db_ndbm_nextkey __P((DBM *)); DBM *__db_ndbm_open __P((const char *, int, int)); int __db_ndbm_pagfno __P((DBM *)); int __db_ndbm_rdonly __P((DBM *)); int __db_ndbm_store __P((DBM *, datum, datum, int)); #if defined(__cplusplus) } #endif /******************************************************* * Hsearch historic interface. *******************************************************/ typedef enum { FIND, ENTER } ACTION; typedef struct entry { char *key; char *data; } ENTRY; /* * Translate HSEARCH calls into DB calls so that DB doesn't step on the * application's name space. */ #define hcreate(a) __db_hcreate(a) #define hdestroy __db_hdestroy #define hsearch(a, b) __db_hsearch(a, b) /* Prototype the DB calls. */ #if defined(__cplusplus) extern "C" { #endif int __db_hcreate __P((size_t)); void __db_hdestroy __P((void)); ENTRY *__db_hsearch __P((ENTRY, ACTION)); #if defined(__cplusplus) } #endif #endif /* DB_DBM_HSEARCH */ /* * XXX * MacOS: Reset Metrowerks C enum sizes. */ #ifdef __MWERKS__ #pragma enumsalwaysint reset #endif #endif /* !_DB_H_ */