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Diffstat (limited to 'src/gdbm.proto')
| -rw-r--r-- | src/gdbm.proto | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/gdbm.proto b/src/gdbm.proto new file mode 100644 index 0000000..17ac7cb --- /dev/null +++ b/src/gdbm.proto @@ -0,0 +1,106 @@ +/* gdbm.h - The include file for dbm users. */ + +/* This file is part of GDBM, the GNU data base manager, by Philip A. Nelson. + Copyright (C) 1990, 1991, 1993 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; see the file COPYING. If not, write to + the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + + 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_ + +/* 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_FAST 0x10 /* Write fast! => No fsyncs. OBSOLETE. */ +#define GDBM_SYNC 0x20 /* Sync operations to the disk. */ +#define GDBM_NOLOCK 0x40 /* Don't do file locking operations. */ +#define GDBM_NOMMAP 0x80 /* Don't use mmap(). */ + +/* 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_CACHESIZE 1 /* Set the cache size. */ +#define GDBM_FASTMODE 2 /* Toggle fast mode. OBSOLETE. */ +#define GDBM_SYNCMODE 3 /* Turn on or off sync operations. */ +#define GDBM_CENTFREE 4 /* Keep all free blocks in the header. */ +#define GDBM_COALESCEBLKS 5 /* Attempt to coalesce free blocks. */ + +/* The data and key structure. This structure is defined for compatibility. */ +typedef struct { + char *dptr; + int dsize; + } datum; + + +/* The file information header. This is good enough for most applications. */ +typedef struct {int dummy[10];} *GDBM_FILE; + +/* Determine if the C(++) compiler requires complete function prototype */ +#ifndef __P +#if defined(__STDC__) || defined(__cplusplus) || defined(c_plusplus) +#define __P(x) x +#else +#define __P(x) () +#ifndef const +#define const /* */ +#endif +#endif +#endif + +/* External variable, the gdbm build release string. */ +extern const char *gdbm_version; + + +/* GDBM C++ support */ +#if defined(__cplusplus) || defined(c_plusplus) +extern "C" { +#endif + +/* GDBM external functions. */ + +extern GDBM_FILE gdbm_open __P((const char *, int, int, int, + void (*)(const char *))); +extern void gdbm_close __P((GDBM_FILE)); +extern int gdbm_store __P((GDBM_FILE, datum, datum, int)); +extern datum gdbm_fetch __P((GDBM_FILE, datum)); +extern int gdbm_delete __P((GDBM_FILE, datum)); +extern datum gdbm_firstkey __P((GDBM_FILE)); +extern datum gdbm_nextkey __P((GDBM_FILE, datum)); +extern int gdbm_reorganize __P((GDBM_FILE)); +extern void gdbm_sync __P((GDBM_FILE)); +extern int gdbm_exists __P((GDBM_FILE, datum)); +extern int gdbm_setopt __P((GDBM_FILE, int, int *, int)); +extern int gdbm_fdesc __P((GDBM_FILE)); + +#if defined(__cplusplus) || defined(c_plusplus) +} +#endif + |