mirror of
https://github.com/QB64-Phoenix-Edition/QB64pe.git
synced 2024-09-01 17:30:15 +00:00
276 lines
9.7 KiB
C
276 lines
9.7 KiB
C
/* gdbm.h - The include file for dbm users. -*- c -*- */
|
||
|
||
/* This file is part of GDBM, the GNU data base manager, by Philip A. Nelson.
|
||
Copyright (C) 1990-1991, 1993, 2011, 2016-2018 Free Software
|
||
Foundation, Inc.
|
||
|
||
GDBM is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2, or (at your option)
|
||
any later version.
|
||
|
||
GDBM is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with GDBM. If not, see <http://www.gnu.org/licenses/>.
|
||
|
||
You may contact the author by:
|
||
e-mail: phil@cs.wwu.edu
|
||
us-mail: Philip A. Nelson
|
||
Computer Science Department
|
||
Western Washington University
|
||
Bellingham, WA 98226
|
||
|
||
*************************************************************************/
|
||
|
||
/* Protection for multiple includes. */
|
||
#ifndef _GDBM_H_
|
||
# define _GDBM_H_
|
||
|
||
# include <stdio.h>
|
||
|
||
/* GDBM C++ support */
|
||
# if defined(__cplusplus) || defined(c_plusplus)
|
||
extern "C" {
|
||
# endif
|
||
|
||
/* Parameters to gdbm_open for READERS, WRITERS, and WRITERS who
|
||
can create the database. */
|
||
# define GDBM_READER 0 /* A reader. */
|
||
# define GDBM_WRITER 1 /* A writer. */
|
||
# define GDBM_WRCREAT 2 /* A writer. Create the db if needed. */
|
||
# define GDBM_NEWDB 3 /* A writer. Always create a new db. */
|
||
# define GDBM_OPENMASK 7 /* Mask for the above. */
|
||
|
||
# define GDBM_FAST 0x010 /* Write fast! => No fsyncs. OBSOLETE. */
|
||
# define GDBM_SYNC 0x020 /* Sync operations to the disk. */
|
||
# define GDBM_NOLOCK 0x040 /* Don't do file locking operations. */
|
||
# define GDBM_NOMMAP 0x080 /* Don't use mmap(). */
|
||
# define GDBM_CLOEXEC 0x100 /* Close the underlying fd on exec(3) */
|
||
# define GDBM_BSEXACT 0x200 /* Don't adjust block_size. Bail out with
|
||
GDBM_BLOCK_SIZE_ERROR error if unable to
|
||
set it. */
|
||
# define GDBM_CLOERROR 0x400 /* Only for gdbm_fd_open: close fd on error. */
|
||
|
||
/* Parameters to gdbm_store for simple insertion or replacement in the
|
||
case that the key is already in the database. */
|
||
# define GDBM_INSERT 0 /* Never replace old data with new. */
|
||
# define GDBM_REPLACE 1 /* Always replace old data with new. */
|
||
|
||
/* Parameters to gdbm_setopt, specifing the type of operation to perform. */
|
||
# define GDBM_SETCACHESIZE 1 /* Set the cache size. */
|
||
# define GDBM_FASTMODE 2 /* Toggle fast mode. OBSOLETE. */
|
||
# define GDBM_SETSYNCMODE 3 /* Turn on or off sync operations. */
|
||
# define GDBM_SETCENTFREE 4 /* Keep all free blocks in the header. */
|
||
# define GDBM_SETCOALESCEBLKS 5 /* Attempt to coalesce free blocks. */
|
||
# define GDBM_SETMAXMAPSIZE 6 /* Set maximum mapped memory size */
|
||
# define GDBM_SETMMAP 7 /* Toggle mmap mode */
|
||
|
||
/* Compatibility defines: */
|
||
# define GDBM_CACHESIZE GDBM_SETCACHESIZE
|
||
# define GDBM_SYNCMODE GDBM_SETSYNCMODE
|
||
# define GDBM_CENTFREE GDBM_SETCENTFREE
|
||
# define GDBM_COALESCEBLKS GDBM_SETCOALESCEBLKS
|
||
|
||
# define GDBM_GETFLAGS 8 /* Get gdbm_open flags */
|
||
# define GDBM_GETMMAP 9 /* Get mmap status */
|
||
# define GDBM_GETCACHESIZE 10 /* Get current cache side */
|
||
# define GDBM_GETSYNCMODE 11 /* Get synch mode */
|
||
# define GDBM_GETCENTFREE 12 /* Get "centfree" status */
|
||
# define GDBM_GETCOALESCEBLKS 13 /* Get free block coalesce status */
|
||
# define GDBM_GETMAXMAPSIZE 14 /* Get maximum mapped memory size */
|
||
# define GDBM_GETDBNAME 15 /* Return database file name */
|
||
# define GDBM_GETBLOCKSIZE 16 /* Return block size */
|
||
|
||
typedef unsigned long long int gdbm_count_t;
|
||
|
||
/* The data and key structure. */
|
||
typedef struct
|
||
{
|
||
char *dptr;
|
||
int dsize;
|
||
} datum;
|
||
|
||
|
||
/* A pointer to the GDBM file. */
|
||
typedef struct gdbm_file_info *GDBM_FILE;
|
||
|
||
/* External variable, the gdbm build release string. */
|
||
extern const char *gdbm_version;
|
||
|
||
# define GDBM_VERSION_MAJOR 1
|
||
# define GDBM_VERSION_MINOR 14
|
||
# define GDBM_VERSION_PATCH 1
|
||
|
||
extern int const gdbm_version_number[3];
|
||
|
||
/* GDBM external functions. */
|
||
|
||
extern GDBM_FILE gdbm_fd_open (int fd, const char *file_name, int block_size,
|
||
int flags, void (*fatal_func) (const char *));
|
||
extern GDBM_FILE gdbm_open (const char *, int, int, int,
|
||
void (*)(const char *));
|
||
extern void gdbm_close (GDBM_FILE);
|
||
extern int gdbm_store (GDBM_FILE, datum, datum, int);
|
||
extern datum gdbm_fetch (GDBM_FILE, datum);
|
||
extern int gdbm_delete (GDBM_FILE, datum);
|
||
extern datum gdbm_firstkey (GDBM_FILE);
|
||
extern datum gdbm_nextkey (GDBM_FILE, datum);
|
||
extern int gdbm_reorganize (GDBM_FILE);
|
||
|
||
extern void gdbm_sync (GDBM_FILE);
|
||
extern int gdbm_exists (GDBM_FILE, datum);
|
||
extern int gdbm_setopt (GDBM_FILE, int, void *, int);
|
||
extern int gdbm_fdesc (GDBM_FILE);
|
||
|
||
extern int gdbm_export (GDBM_FILE, const char *, int, int);
|
||
extern int gdbm_export_to_file (GDBM_FILE dbf, FILE *fp);
|
||
|
||
extern int gdbm_import (GDBM_FILE, const char *, int);
|
||
extern int gdbm_import_from_file (GDBM_FILE dbf, FILE *fp, int flag);
|
||
|
||
extern int gdbm_count (GDBM_FILE dbf, gdbm_count_t *pcount);
|
||
|
||
typedef struct gdbm_recovery_s
|
||
{
|
||
/* Input members.
|
||
These are initialized before call to gdbm_recover. The flags argument
|
||
specifies which of them are initialized. */
|
||
void (*errfun) (void *data, char const *fmt, ...);
|
||
void *data;
|
||
|
||
size_t max_failed_keys;
|
||
size_t max_failed_buckets;
|
||
size_t max_failures;
|
||
|
||
/* Output members.
|
||
The gdbm_recover function fills these before returning. */
|
||
size_t recovered_keys;
|
||
size_t recovered_buckets;
|
||
size_t failed_keys;
|
||
size_t failed_buckets;
|
||
char *backup_name;
|
||
} gdbm_recovery;
|
||
|
||
#define GDBM_RCVR_DEFAULT 0x00 /* Default settings */
|
||
#define GDBM_RCVR_ERRFUN 0x01 /* errfun is initialized */
|
||
#define GDBM_RCVR_MAX_FAILED_KEYS 0x02 /* max_failed_keys is initialized */
|
||
#define GDBM_RCVR_MAX_FAILED_BUCKETS 0x04 /* max_failed_buckets is initialized */
|
||
#define GDBM_RCVR_MAX_FAILURES 0x08 /* max_failures is initialized */
|
||
#define GDBM_RCVR_BACKUP 0x10 /* Keep backup copy of the
|
||
original database on success */
|
||
#define GDBM_RCVR_FORCE 0x20 /* Force recovery by skipping the
|
||
check pass */
|
||
|
||
extern int gdbm_recover (GDBM_FILE dbf, gdbm_recovery *rcvr, int flags);
|
||
|
||
|
||
#define GDBM_DUMP_FMT_BINARY 0
|
||
#define GDBM_DUMP_FMT_ASCII 1
|
||
|
||
#define GDBM_META_MASK_MODE 0x01
|
||
#define GDBM_META_MASK_OWNER 0x02
|
||
|
||
extern int gdbm_dump (GDBM_FILE, const char *, int fmt, int open_flags,
|
||
int mode);
|
||
extern int gdbm_dump_to_file (GDBM_FILE, FILE *, int fmt);
|
||
|
||
extern int gdbm_load (GDBM_FILE *, const char *, int replace,
|
||
int meta_flags,
|
||
unsigned long *line);
|
||
extern int gdbm_load_from_file (GDBM_FILE *, FILE *, int replace,
|
||
int meta_flags,
|
||
unsigned long *line);
|
||
|
||
extern int gdbm_copy_meta (GDBM_FILE dst, GDBM_FILE src);
|
||
|
||
# define GDBM_NO_ERROR 0
|
||
# define GDBM_MALLOC_ERROR 1
|
||
# define GDBM_BLOCK_SIZE_ERROR 2
|
||
# define GDBM_FILE_OPEN_ERROR 3
|
||
# define GDBM_FILE_WRITE_ERROR 4
|
||
# define GDBM_FILE_SEEK_ERROR 5
|
||
# define GDBM_FILE_READ_ERROR 6
|
||
# define GDBM_BAD_MAGIC_NUMBER 7
|
||
# define GDBM_EMPTY_DATABASE 8
|
||
# define GDBM_CANT_BE_READER 9
|
||
# define GDBM_CANT_BE_WRITER 10
|
||
# define GDBM_READER_CANT_DELETE 11
|
||
# define GDBM_READER_CANT_STORE 12
|
||
# define GDBM_READER_CANT_REORGANIZE 13
|
||
# define GDBM_UNKNOWN_ERROR 14
|
||
# define GDBM_ITEM_NOT_FOUND 15
|
||
# define GDBM_REORGANIZE_FAILED 16
|
||
# define GDBM_CANNOT_REPLACE 17
|
||
# define GDBM_ILLEGAL_DATA 18
|
||
# define GDBM_OPT_ALREADY_SET 19
|
||
# define GDBM_OPT_ILLEGAL 20
|
||
# define GDBM_BYTE_SWAPPED 21
|
||
# define GDBM_BAD_FILE_OFFSET 22
|
||
# define GDBM_BAD_OPEN_FLAGS 23
|
||
# define GDBM_FILE_STAT_ERROR 24
|
||
# define GDBM_FILE_EOF 25
|
||
# define GDBM_NO_DBNAME 26
|
||
# define GDBM_ERR_FILE_OWNER 27
|
||
# define GDBM_ERR_FILE_MODE 28
|
||
# define GDBM_NEED_RECOVERY 29
|
||
# define GDBM_BACKUP_FAILED 30
|
||
# define GDBM_DIR_OVERFLOW 31
|
||
|
||
# define _GDBM_MIN_ERRNO 0
|
||
# define _GDBM_MAX_ERRNO GDBM_DIR_OVERFLOW
|
||
|
||
/* This one was never used and will be removed in the future */
|
||
# define GDBM_UNKNOWN_UPDATE GDBM_UNKNOWN_ERROR
|
||
|
||
typedef int gdbm_error;
|
||
extern int *gdbm_errno_location (void);
|
||
#define gdbm_errno (*gdbm_errno_location ())
|
||
extern const char * const gdbm_errlist[];
|
||
extern int const gdbm_syserr[];
|
||
|
||
extern gdbm_error gdbm_last_errno (GDBM_FILE dbf);
|
||
extern int gdbm_last_syserr (GDBM_FILE dbf);
|
||
extern void gdbm_set_errno (GDBM_FILE dbf, gdbm_error ec, int fatal);
|
||
extern void gdbm_clear_error (GDBM_FILE dbf);
|
||
extern int gdbm_needs_recovery (GDBM_FILE dbf);
|
||
extern int gdbm_check_syserr (gdbm_error n);
|
||
|
||
/* extra prototypes */
|
||
|
||
extern const char *gdbm_strerror (gdbm_error);
|
||
extern const char *gdbm_db_strerror (GDBM_FILE dbf);
|
||
|
||
extern int gdbm_version_cmp (int const a[], int const b[]);
|
||
|
||
#if 0
|
||
# define GDBM_DEBUG_ENABLE 1
|
||
|
||
typedef void (*gdbm_debug_printer_t) (char const *, ...);
|
||
extern gdbm_debug_printer_t gdbm_debug_printer;
|
||
extern int gdbm_debug_flags;
|
||
|
||
# define GDBM_DEBUG_ERR 0x00000001
|
||
# define GDBM_DEBUG_OPEN 0x00000002
|
||
# define GDBM_DEBUG_READ 0x00000004
|
||
# define GDBM_DEBUG_STORE 0x00000008
|
||
# define GDBM_DEBUG_LOOKUP 0x00000010
|
||
|
||
# define GDBM_DEBUG_ALL 0xffffffff
|
||
|
||
extern int gdbm_debug_token (char const *tok);
|
||
extern void gdbm_debug_parse_state (int (*f) (void *, int, char const *),
|
||
void *d);
|
||
|
||
extern void gdbm_debug_datum (datum dat, char const *pfx);
|
||
|
||
#endif
|
||
|
||
# if defined(__cplusplus) || defined(c_plusplus)
|
||
}
|
||
# endif
|
||
|
||
#endif
|