diff options
Diffstat (limited to 'dbm/include')
-rw-r--r-- | dbm/include/.cvsignore | 1 | ||||
-rw-r--r-- | dbm/include/MANIFEST | 17 | ||||
-rw-r--r-- | dbm/include/Makefile.in | 55 | ||||
-rw-r--r-- | dbm/include/Makefile.win | 60 | ||||
-rw-r--r-- | dbm/include/cdefs.h | 165 | ||||
-rw-r--r-- | dbm/include/extern.h | 65 | ||||
-rw-r--r-- | dbm/include/hash.h | 337 | ||||
-rw-r--r-- | dbm/include/hsearch.h | 51 | ||||
-rw-r--r-- | dbm/include/mcom_db.h | 450 | ||||
-rw-r--r-- | dbm/include/mpool.h | 99 | ||||
-rw-r--r-- | dbm/include/ncompat.h | 232 | ||||
-rw-r--r-- | dbm/include/ndbm.h | 77 | ||||
-rw-r--r-- | dbm/include/nsres.h | 41 | ||||
-rw-r--r-- | dbm/include/page.h | 96 | ||||
-rw-r--r-- | dbm/include/queue.h | 245 | ||||
-rw-r--r-- | dbm/include/search.h | 51 | ||||
-rw-r--r-- | dbm/include/watcomfx.h | 26 | ||||
-rw-r--r-- | dbm/include/winfile.h | 106 |
18 files changed, 2174 insertions, 0 deletions
diff --git a/dbm/include/.cvsignore b/dbm/include/.cvsignore new file mode 100644 index 000000000..f3c7a7c5d --- /dev/null +++ b/dbm/include/.cvsignore @@ -0,0 +1 @@ +Makefile diff --git a/dbm/include/MANIFEST b/dbm/include/MANIFEST new file mode 100644 index 000000000..5626a3e87 --- /dev/null +++ b/dbm/include/MANIFEST @@ -0,0 +1,17 @@ +# +# This is a list of local files which get copied to the mozilla:dist directory +# + +cdefs.h +extern.h +hash.h +hsearch.h +mcom_db.h +mpool.h +ncompat.h +ndbm.h +nsres.h +page.h +queue.h +search.h +watcomfx.h diff --git a/dbm/include/Makefile.in b/dbm/include/Makefile.in new file mode 100644 index 000000000..86fb8f157 --- /dev/null +++ b/dbm/include/Makefile.in @@ -0,0 +1,55 @@ +# +# The contents of this file are subject to the Netscape Public +# License Version 1.1 (the "License"); you may not use this file +# except in compliance with the License. You may obtain a copy of +# the License at http://www.mozilla.org/NPL/ +# +# Software distributed under the License is distributed on an "AS +# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +# implied. See the License for the specific language governing +# rights and limitations under the License. +# +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is Netscape +# Communications Corporation. Portions created by Netscape are +# Copyright (C) 1998 Netscape Communications Corporation. All +# Rights Reserved. +# +# Contributor(s): +# + +DEPTH = ../.. +topsrcdir = @top_srcdir@ +srcdir = @srcdir@ +VPATH = @srcdir@ + +include $(DEPTH)/config/autoconf.mk + +MODULE = dbm + +EXPORTS = \ + nsres.h \ + cdefs.h \ + mcom_db.h \ + ncompat.h \ + winfile.h \ + $(NULL) + +EXPORTS := $(addprefix $(srcdir)/, $(EXPORTS)) + +PRIVATE_EXPORTS = \ + hsearch.h \ + page.h \ + extern.h \ + ndbm.h \ + queue.h \ + hash.h \ + mpool.h \ + search.h \ + $(NULL) + +PRIVATE_EXPORTS := $(addprefix $(srcdir)/, $(PRIVATE_EXPORTS)) + +include $(topsrcdir)/config/rules.mk + diff --git a/dbm/include/Makefile.win b/dbm/include/Makefile.win new file mode 100644 index 000000000..07fba1859 --- /dev/null +++ b/dbm/include/Makefile.win @@ -0,0 +1,60 @@ +# The contents of this file are subject to the Netscape Public +# License Version 1.1 (the "License"); you may not use this file +# except in compliance with the License. You may obtain a copy of +# the License at http://www.mozilla.org/NPL/ +# +# Software distributed under the License is distributed on an "AS +# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +# implied. See the License for the specific language governing +# rights and limitations under the License. +# +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is Netscape +# Communications Corporation. Portions created by Netscape are +# Copyright (C) 1998 Netscape Communications Corporation. All +# Rights Reserved. +# +# Contributor(s): + + +#//------------------------------------------------------------------------ +#// +#// Makefile to build the cert library +#// +#//------------------------------------------------------------------------ + +!if "$(MOZ_BITS)" == "16" +!ifndef MOZ_DEBUG +OPTIMIZER=-Os -UDEBUG -DNDEBUG +!endif +!endif + +#//------------------------------------------------------------------------ +#// +#// Specify the depth of the current directory relative to the +#// root of NS +#// +#//------------------------------------------------------------------------ +DEPTH= ..\.. + +!ifndef MAKE_OBJ_TYPE +MAKE_OBJ_TYPE=EXE +!endif + +#//------------------------------------------------------------------------ +#// +#// install headers +#// +#//------------------------------------------------------------------------ +EXPORTS=nsres.h cdefs.h mcom_db.h ncompat.h winfile.h + +#//------------------------------------------------------------------------ +#// +#// Include the common makefile rules +#// +#//------------------------------------------------------------------------ +include <$(DEPTH)/config/rules.mak> + +CFLAGS = $(CFLAGS) -DMOZILLA_CLIENT + diff --git a/dbm/include/cdefs.h b/dbm/include/cdefs.h new file mode 100644 index 000000000..63c2f624a --- /dev/null +++ b/dbm/include/cdefs.h @@ -0,0 +1,165 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: NPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Netscape Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/NPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is mozilla.org code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the NPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the NPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Berkeley Software Design, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)cdefs.h 8.7 (Berkeley) 1/21/94 + */ + +#ifndef _CDEFS_H_ +#define _CDEFS_H_ + +#if defined(__cplusplus) +#define __BEGIN_DECLS extern "C" { +#define __END_DECLS } +#else +#define __BEGIN_DECLS +#define __END_DECLS +#endif + +/* + * The __CONCAT macro is used to concatenate parts of symbol names, e.g. + * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo. + * The __CONCAT macro is a bit tricky -- make sure you don't put spaces + * in between its arguments. __CONCAT can also concatenate double-quoted + * strings produced by the __STRING macro, but this only works with ANSI C. + */ +#if defined(__STDC__) || defined(__cplusplus) || defined(_WINDOWS) || defined(XP_OS2) +#define __P(protos) protos /* full-blown ANSI C */ +#define __CONCAT(x,y) x ## y +#define __STRING(x) #x + +/* On HP-UX 11.00, <sys/stdsyms.h> defines __const. */ +#ifndef __const +#define __const const /* define reserved names to standard */ +#endif /* __const */ +#define __signed signed +#define __volatile volatile +#ifndef _WINDOWS +#if defined(__cplusplus) +#define __inline inline /* convert to C++ keyword */ +#else +#if !defined(__GNUC__) && !defined(__MWERKS__) +#define __inline /* delete GCC keyword */ +#endif /* !__GNUC__ */ +#endif /* !__cplusplus */ +#endif /* !_WINDOWS */ + +#else /* !(__STDC__ || __cplusplus) */ +#define __P(protos) () /* traditional C preprocessor */ +#define __CONCAT(x,y) x/**/y +#define __STRING(x) "x" + +#ifndef __GNUC__ +#define __const /* delete pseudo-ANSI C keywords */ +#define __inline +#define __signed +#define __volatile +/* + * In non-ANSI C environments, new programs will want ANSI-only C keywords + * deleted from the program and old programs will want them left alone. + * When using a compiler other than gcc, programs using the ANSI C keywords + * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS. + * When using "gcc -traditional", we assume that this is the intent; if + * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone. + */ +#ifndef NO_ANSI_KEYWORDS +#define const /* delete ANSI C keywords */ +#define inline +#define signed +#define volatile +#endif +#endif /* !__GNUC__ */ +#endif /* !(__STDC__ || __cplusplus) */ + +/* + * GCC1 and some versions of GCC2 declare dead (non-returning) and + * pure (no side effects) functions using "volatile" and "const"; + * unfortunately, these then cause warnings under "-ansi -pedantic". + * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of + * these work for GNU C++ (modulo a slight glitch in the C++ grammar + * in the distribution version of 2.5.5). + */ +#if !defined(__GNUC__) || __GNUC__ < 2 || __GNUC_MINOR__ < 5 +#define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */ +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) +#define __dead __volatile +#define __pure __const +#endif +#endif + +/* Delete pseudo-keywords wherever they are not available or needed. */ +#ifndef __dead +#define __dead +#define __pure +#endif + +#endif /* !_CDEFS_H_ */ diff --git a/dbm/include/extern.h b/dbm/include/extern.h new file mode 100644 index 000000000..8eabc81fe --- /dev/null +++ b/dbm/include/extern.h @@ -0,0 +1,65 @@ +/*- + * Copyright (c) 1991, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)extern.h 8.4 (Berkeley) 6/16/94 + */ + +BUFHEAD *__add_ovflpage (HTAB *, BUFHEAD *); +int __addel (HTAB *, BUFHEAD *, const DBT *, const DBT *); +int __big_delete (HTAB *, BUFHEAD *); +int __big_insert (HTAB *, BUFHEAD *, const DBT *, const DBT *); +int __big_keydata (HTAB *, BUFHEAD *, DBT *, DBT *, int); +int __big_return (HTAB *, BUFHEAD *, int, DBT *, int); +int __big_split (HTAB *, BUFHEAD *, BUFHEAD *, BUFHEAD *, + uint32, uint32, SPLIT_RETURN *); +int __buf_free (HTAB *, int, int); +void __buf_init (HTAB *, int); +uint32 __call_hash (HTAB *, char *, size_t); +int __delpair (HTAB *, BUFHEAD *, int); +int __expand_table (HTAB *); +int __find_bigpair (HTAB *, BUFHEAD *, int, char *, int); +uint16 __find_last_page (HTAB *, BUFHEAD **); +void __free_ovflpage (HTAB *, BUFHEAD *); +BUFHEAD *__get_buf (HTAB *, uint32, BUFHEAD *, int); +int __get_page (HTAB *, char *, uint32, int, int, int); +int __ibitmap (HTAB *, int, int, int); +uint32 __log2 (uint32); +int __put_page (HTAB *, char *, uint32, int, int); +void __reclaim_buf (HTAB *, BUFHEAD *); +int __split_page (HTAB *, uint32, uint32); + +/* Default hash routine. */ +extern uint32 (*__default_hash) (const void *, size_t); + +#ifdef HASH_STATISTICS +extern int hash_accesses, hash_collisions, hash_expansions, hash_overflows; +#endif diff --git a/dbm/include/hash.h b/dbm/include/hash.h new file mode 100644 index 000000000..454a8ec42 --- /dev/null +++ b/dbm/include/hash.h @@ -0,0 +1,337 @@ +/*- + * Copyright (c) 1990, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Margo Seltzer. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)hash.h 8.3 (Berkeley) 5/31/94 + */ + +/* Operations */ + +#include <stdio.h> +#include "mcom_db.h" +typedef enum { + HASH_GET, HASH_PUT, HASH_PUTNEW, HASH_DELETE, HASH_FIRST, HASH_NEXT +} ACTION; + +/* Buffer Management structures */ +typedef struct _bufhead BUFHEAD; + +struct _bufhead { + BUFHEAD *prev; /* LRU links */ + BUFHEAD *next; /* LRU links */ + BUFHEAD *ovfl; /* Overflow page buffer header */ + uint32 addr; /* Address of this page */ + char *page; /* Actual page data */ + char is_disk; + char flags; +#define BUF_MOD 0x0001 +#define BUF_DISK 0x0002 +#define BUF_BUCKET 0x0004 +#define BUF_PIN 0x0008 +}; + +#define IS_BUCKET(X) ((X) & BUF_BUCKET) + +typedef BUFHEAD **SEGMENT; + +typedef int DBFILE_PTR; +#define NO_FILE -1 +#ifdef macintosh +#define DBFILE_OPEN(path, flag,mode) open((path), flag) +#define EXISTS(path) +#else +#define DBFILE_OPEN(path, flag,mode) open((path), (flag), (mode)) +#endif +/* Hash Table Information */ +typedef struct hashhdr { /* Disk resident portion */ + int32 magic; /* Magic NO for hash tables */ + int32 version; /* Version ID */ + uint32 lorder; /* Byte Order */ + int32 bsize; /* Bucket/Page Size */ + int32 bshift; /* Bucket shift */ + int32 dsize; /* Directory Size */ + int32 ssize; /* Segment Size */ + int32 sshift; /* Segment shift */ + int32 ovfl_point; /* Where overflow pages are being + * allocated */ + int32 last_freed; /* Last overflow page freed */ + int32 max_bucket; /* ID of Maximum bucket in use */ + int32 high_mask; /* Mask to modulo into entire table */ + int32 low_mask; /* Mask to modulo into lower half of + * table */ + int32 ffactor; /* Fill factor */ + int32 nkeys; /* Number of keys in hash table */ + int32 hdrpages; /* Size of table header */ + uint32 h_charkey; /* value of hash(CHARKEY) */ +#define NCACHED 32 /* number of bit maps and spare + * points */ + int32 spares[NCACHED];/* spare pages for overflow */ + uint16 bitmaps[NCACHED]; /* address of overflow page + * bitmaps */ +} HASHHDR; + +typedef struct htab { /* Memory resident data structure */ + HASHHDR hdr; /* Header */ + int nsegs; /* Number of allocated segments */ + int exsegs; /* Number of extra allocated + * segments */ + uint32 /* Hash function */ + (*hash)(const void *, size_t); + int flags; /* Flag values */ + DBFILE_PTR fp; /* File pointer */ + char *filename; + char *tmp_buf; /* Temporary Buffer for BIG data */ + char *tmp_key; /* Temporary Buffer for BIG keys */ + BUFHEAD *cpage; /* Current page */ + int cbucket; /* Current bucket */ + int cndx; /* Index of next item on cpage */ + int dbmerrno; /* Error Number -- for DBM + * compatability */ + int new_file; /* Indicates if fd is backing store + * or no */ + int save_file; /* Indicates whether we need to flush + * file at + * exit */ + uint32 *mapp[NCACHED]; /* Pointers to page maps */ + int nmaps; /* Initial number of bitmaps */ + int nbufs; /* Number of buffers left to + * allocate */ + BUFHEAD bufhead; /* Header of buffer lru list */ + SEGMENT *dir; /* Hash Bucket directory */ + off_t file_size; /* in bytes */ + char is_temp; /* unlink file on close */ + char updateEOF; /* force EOF update on flush */ +} HTAB; + +/* + * Constants + */ +#define DATABASE_CORRUPTED_ERROR -999 /* big ugly abort, delete database */ +#define OLD_MAX_BSIZE 65536 /* 2^16 */ +#define MAX_BSIZE 32l*1024l /* 2^15 */ +#define MIN_BUFFERS 6 +#define MINHDRSIZE 512 +#define DEF_BUFSIZE 65536l /* 64 K */ +#define DEF_BUCKET_SIZE 4096 +#define DEF_BUCKET_SHIFT 12 /* log2(BUCKET) */ +#define DEF_SEGSIZE 256 +#define DEF_SEGSIZE_SHIFT 8 /* log2(SEGSIZE) */ +#define DEF_DIRSIZE 256 +#define DEF_FFACTOR 65536l +#define MIN_FFACTOR 4 +#define SPLTMAX 8 +#define CHARKEY "%$sniglet^&" +#define NUMKEY 1038583l +#define BYTE_SHIFT 3 +#define INT_TO_BYTE 2 +#define INT_BYTE_SHIFT 5 +#define ALL_SET ((uint32)0xFFFFFFFF) +#define ALL_CLEAR 0 + +#define PTROF(X) ((ptrdiff_t)(X) == BUF_DISK ? 0 : (X)) +#define ISDISK(X) ((X) ? ((ptrdiff_t)(X) == BUF_DISK ? BUF_DISK \ + : (X)->is_disk) : 0) + +#define BITS_PER_MAP 32 + +/* Given the address of the beginning of a big map, clear/set the nth bit */ +#define CLRBIT(A, N) ((A)[(N)/BITS_PER_MAP] &= ~(1<<((N)%BITS_PER_MAP))) +#define SETBIT(A, N) ((A)[(N)/BITS_PER_MAP] |= (1<<((N)%BITS_PER_MAP))) +#define ISSET(A, N) ((A)[(N)/BITS_PER_MAP] & (1<<((N)%BITS_PER_MAP))) + +/* Overflow management */ +/* + * Overflow page numbers are allocated per split point. At each doubling of + * the table, we can allocate extra pages. So, an overflow page number has + * the top 5 bits indicate which split point and the lower 11 bits indicate + * which page at that split point is indicated (pages within split points are + * numberered starting with 1). + */ + +#define SPLITSHIFT 11 +#define SPLITMASK 0x7FF +#define SPLITNUM(N) (((uint32)(N)) >> SPLITSHIFT) +#define OPAGENUM(N) ((N) & SPLITMASK) +#define OADDR_OF(S,O) ((uint32)((uint32)(S) << SPLITSHIFT) + (O)) + +#define BUCKET_TO_PAGE(B) \ + (B) + hashp->HDRPAGES + ((B) ? hashp->SPARES[__log2((uint32)((B)+1))-1] : 0) +#define OADDR_TO_PAGE(B) \ + BUCKET_TO_PAGE ( (1 << SPLITNUM((B))) -1 ) + OPAGENUM((B)); + +/* + * page.h contains a detailed description of the page format. + * + * Normally, keys and data are accessed from offset tables in the top of + * each page which point to the beginning of the key and data. There are + * four flag values which may be stored in these offset tables which indicate + * the following: + * + * + * OVFLPAGE Rather than a key data pair, this pair contains + * the address of an overflow page. The format of + * the pair is: + * OVERFLOW_PAGE_NUMBER OVFLPAGE + * + * PARTIAL_KEY This must be the first key/data pair on a page + * and implies that page contains only a partial key. + * That is, the key is too big to fit on a single page + * so it starts on this page and continues on the next. + * The format of the page is: + * KEY_OFF PARTIAL_KEY OVFL_PAGENO OVFLPAGE + * + * KEY_OFF -- offset of the beginning of the key + * PARTIAL_KEY -- 1 + * OVFL_PAGENO - page number of the next overflow page + * OVFLPAGE -- 0 + * + * FULL_KEY This must be the first key/data pair on the page. It + * is used in two cases. + * + * Case 1: + * There is a complete key on the page but no data + * (because it wouldn't fit). The next page contains + * the data. + * + * Page format it: + * KEY_OFF FULL_KEY OVFL_PAGENO OVFL_PAGE + * + * KEY_OFF -- offset of the beginning of the key + * FULL_KEY -- 2 + * OVFL_PAGENO - page number of the next overflow page + * OVFLPAGE -- 0 + * + * Case 2: + * This page contains no key, but part of a large + * data field, which is continued on the next page. + * + * Page format it: + * DATA_OFF FULL_KEY OVFL_PAGENO OVFL_PAGE + * + * KEY_OFF -- offset of the beginning of the data on + * this page + * FULL_KEY -- 2 + * OVFL_PAGENO - page number of the next overflow page + * OVFLPAGE -- 0 + * + * FULL_KEY_DATA + * This must be the first key/data pair on the page. + * There are two cases: + * + * Case 1: + * This page contains a key and the beginning of the + * data field, but the data field is continued on the + * next page. + * + * Page format is: + * KEY_OFF FULL_KEY_DATA OVFL_PAGENO DATA_OFF + * + * KEY_OFF -- offset of the beginning of the key + * FULL_KEY_DATA -- 3 + * OVFL_PAGENO - page number of the next overflow page + * DATA_OFF -- offset of the beginning of the data + * + * Case 2: + * This page contains the last page of a big data pair. + * There is no key, only the tail end of the data + * on this page. + * + * Page format is: + * DATA_OFF FULL_KEY_DATA <OVFL_PAGENO> <OVFLPAGE> + * + * DATA_OFF -- offset of the beginning of the data on + * this page + * FULL_KEY_DATA -- 3 + * OVFL_PAGENO - page number of the next overflow page + * OVFLPAGE -- 0 + * + * OVFL_PAGENO and OVFLPAGE are optional (they are + * not present if there is no next page). + */ + +#define OVFLPAGE 0 +#define PARTIAL_KEY 1 +#define FULL_KEY 2 +#define FULL_KEY_DATA 3 +#define REAL_KEY 4 + +/* Short hands for accessing structure */ +#undef BSIZE +#define BSIZE hdr.bsize +#undef BSHIFT +#define BSHIFT hdr.bshift +#define DSIZE hdr.dsize +#define SGSIZE hdr.ssize +#define SSHIFT hdr.sshift +#define LORDER hdr.lorder +#define OVFL_POINT hdr.ovfl_point +#define LAST_FREED hdr.last_freed +#define MAX_BUCKET hdr.max_bucket +#define FFACTOR hdr.ffactor +#define HIGH_MASK hdr.high_mask +#define LOW_MASK hdr.low_mask +#define NKEYS hdr.nkeys +#define HDRPAGES hdr.hdrpages +#define SPARES hdr.spares +#define BITMAPS hdr.bitmaps +#define VERSION hdr.version +#define MAGIC hdr.magic +#define NEXT_FREE hdr.next_free +#define H_CHARKEY hdr.h_charkey + +extern uint32 (*__default_hash) (const void *, size_t); +void __buf_init(HTAB *hashp, int32 nbytes); +int __big_delete(HTAB *hashp, BUFHEAD *bufp); +BUFHEAD * __get_buf(HTAB *hashp, uint32 addr, BUFHEAD *prev_bp, int newpage); +uint32 __call_hash(HTAB *hashp, char *k, size_t len); +#include "page.h" +extern int __big_split(HTAB *hashp, BUFHEAD *op,BUFHEAD *np, +BUFHEAD *big_keyp,uint32 addr,uint32 obucket, SPLIT_RETURN *ret); +void __free_ovflpage(HTAB *hashp, BUFHEAD *obufp); +BUFHEAD * __add_ovflpage(HTAB *hashp, BUFHEAD *bufp); +int __big_insert(HTAB *hashp, BUFHEAD *bufp, const DBT *key, const DBT *val); +int __expand_table(HTAB *hashp); +uint32 __log2(uint32 num); +void __reclaim_buf(HTAB *hashp, BUFHEAD *bp); +int __get_page(HTAB *hashp, char * p, uint32 bucket, int is_bucket, int is_disk, int is_bitmap); +int __put_page(HTAB *hashp, char *p, uint32 bucket, int is_bucket, int is_bitmap); +int __ibitmap(HTAB *hashp, int pnum, int nbits, int ndx); +int __buf_free(HTAB *hashp, int do_free, int to_disk); +int __find_bigpair(HTAB *hashp, BUFHEAD *bufp, int ndx, char *key, int size); +uint16 __find_last_page(HTAB *hashp, BUFHEAD **bpp); +int __addel(HTAB *hashp, BUFHEAD *bufp, const DBT *key, const DBT * val); +int __big_return(HTAB *hashp, BUFHEAD *bufp, int ndx, DBT *val, int set_current); +int __delpair(HTAB *hashp, BUFHEAD *bufp, int ndx); +int __big_keydata(HTAB *hashp, BUFHEAD *bufp, DBT *key, DBT *val, int set); +int __split_page(HTAB *hashp, uint32 obucket, uint32 nbucket); diff --git a/dbm/include/hsearch.h b/dbm/include/hsearch.h new file mode 100644 index 000000000..ff58b1c15 --- /dev/null +++ b/dbm/include/hsearch.h @@ -0,0 +1,51 @@ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Margo Seltzer. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)search.h 8.1 (Berkeley) 6/4/93 + */ + +/* Backward compatibility to hsearch interface. */ +typedef struct entry { + char *key; + char *data; +} ENTRY; + +typedef enum { + FIND, ENTER +} ACTION; + +int hcreate (unsigned int); +void hdestroy (void); +ENTRY *hsearch (ENTRY, ACTION); diff --git a/dbm/include/mcom_db.h b/dbm/include/mcom_db.h new file mode 100644 index 000000000..252a9b268 --- /dev/null +++ b/dbm/include/mcom_db.h @@ -0,0 +1,450 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: NPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Netscape Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/NPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is mozilla.org code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the NPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the NPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/*- + * Copyright (c) 1990, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)db.h 8.7 (Berkeley) 6/16/94 + */ + +#ifndef _DB_H_ +#define _DB_H_ + +#ifndef macintosh +#include <sys/types.h> +#endif +#include "prtypes.h" + +#include <limits.h> + +#ifdef __DBINTERFACE_PRIVATE + +#ifdef HAVE_SYS_CDEFS_H +#include <sys/cdefs.h> +#else +#include "cdefs.h" +#endif + +#ifdef HAVE_SYS_BYTEORDER_H +#include <sys/byteorder.h> +#endif + +#if defined(__linux) || defined(__BEOS__) +#include <endian.h> +#ifndef BYTE_ORDER +#define BYTE_ORDER __BYTE_ORDER +#define BIG_ENDIAN __BIG_ENDIAN +#define LITTLE_ENDIAN __LITTLE_ENDIAN +#endif +#endif /* __linux */ + +#ifdef __sgi +#define BYTE_ORDER BIG_ENDIAN +#define BIG_ENDIAN 4321 +#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax, all NT risc */ +#endif + +#ifdef __sun +#define BIG_ENDIAN 4321 +#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax, all NT risc */ + +#ifndef __SVR4 +/* compat.h is only in 4.1.3 machines. - dp */ +#include <compat.h> +#endif + +/* XXX - dp + * Need to find a general way of defining endian-ness in SunOS 5.3 + * SunOS 5.4 defines _BIG_ENDIAN and _LITTLE_ENDIAN + * SunOS 5.3 does nothing like this. + */ + +#ifndef BYTE_ORDER + +#if defined(_BIG_ENDIAN) +#define BYTE_ORDER BIG_ENDIAN +#elif defined(_LITTLE_ENDIAN) +#define BYTE_ORDER LITTLE_ENDIAN +#elif !defined(__SVR4) +/* 4.1.3 is always BIG_ENDIAN as it was released only on sparc platforms. */ +#define BYTE_ORDER BIG_ENDIAN +#elif !defined(vax) && !defined(ntohl) && !defined(lint) && !defined(i386) +/* 5.3 big endian. Copied this above line from sys/byteorder.h */ +/* Now we are in a 5.3 SunOS rather non 5.4 or above SunOS */ +#define BYTE_ORDER BIG_ENDIAN +#else +#define BYTE_ORDER LITTLE_ENDIAN +#endif + +#endif /* !BYTE_ORDER */ +#endif /* __sun */ + +#if defined(__hpux) || defined(__hppa) +#define BYTE_ORDER BIG_ENDIAN +#define BIG_ENDIAN 4321 +#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax, all NT risc */ +#endif + +#if defined(AIXV3) || defined(AIX) +/* BYTE_ORDER, LITTLE_ENDIAN, BIG_ENDIAN are all defined here */ +#include <sys/machine.h> +#endif + +/* Digital Unix */ +#ifdef __osf__ +#include <machine/endian.h> +#endif + +#ifdef __alpha +#ifndef WIN32 +#else +/* Alpha NT */ +#define BYTE_ORDER LITTLE_ENDIAN +#define BIG_ENDIAN 4321 +#define LITTLE_ENDIAN 1234 +#endif +#endif + +#ifdef NCR +#include <sys/endian.h> +#endif + +#ifdef __QNX__ +#ifdef __QNXNTO__ +#include <sys/param.h> +#else +#define LITTLE_ENDIAN 1234 +#define BIG_ENDIAN 4321 +#define BYTE_ORDER LITTLE_ENDIAN +#endif +#endif + +#ifdef SNI +/* #include <sys/hetero.h> */ +#define BYTE_ORDER BIG_ENDIAN +#define BIG_ENDIAN 4321 +#define LITTLE_ENDIAN 1234 +#endif + +#if defined(_WINDOWS) || defined(XP_OS2) +#ifdef BYTE_ORDER +#undef BYTE_ORDER +#endif + +#define BYTE_ORDER LITTLE_ENDIAN +#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax, all NT risc */ +#define BIG_ENDIAN 4321 +#endif + +#ifdef macintosh +#define BIG_ENDIAN 4321 +#define LITTLE_ENDIAN 1234 +#define BYTE_ORDER BIG_ENDIAN +#endif + +#endif /* __DBINTERFACE_PRIVATE */ + +#ifdef SCO +#define MAXPATHLEN 1024 +#endif + +#include <fcntl.h> + +#if defined(_WINDOWS) || defined(XP_OS2) +#include <stdio.h> +#include <io.h> + +#ifndef XP_OS2 +#define MAXPATHLEN 1024 +#endif + +#define EFTYPE EINVAL /* POSIX 1003.1 format errno. */ + +#ifndef STDERR_FILENO +#define STDIN_FILENO 0 /* ANSI C #defines */ +#define STDOUT_FILENO 1 +#define STDERR_FILENO 2 +#endif + +#ifndef O_ACCMODE /* POSIX 1003.1 access mode mask. */ +#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR) +#endif +#endif + +#ifdef macintosh +#include <stdio.h> +#include "xp_mcom.h" +#define O_ACCMODE 3 /* Mask for file access modes */ +#define EFTYPE 2000 +PR_BEGIN_EXTERN_C +int mkstemp(const char *path); +PR_END_EXTERN_C +#endif /* MACINTOSH */ + +#if !defined(_WINDOWS) && !defined(macintosh) && !defined(XP_OS2) +#include <sys/stat.h> +#include <errno.h> +#endif + +/* define EFTYPE since most don't */ +#ifndef EFTYPE +#define EFTYPE EINVAL /* POSIX 1003.1 format errno. */ +#endif + +#define RET_ERROR -1 /* Return values. */ +#define RET_SUCCESS 0 +#define RET_SPECIAL 1 + +#define MAX_PAGE_NUMBER 0xffffffff /* >= # of pages in a file */ + +#ifndef __sgi +typedef uint32 pgno_t; +#endif + +#define MAX_PAGE_OFFSET 65535 /* >= # of bytes in a page */ +typedef uint16 indx_t; +#define MAX_REC_NUMBER 0xffffffff /* >= # of records in a tree */ +typedef uint32 recno_t; + +/* Key/data structure -- a Data-Base Thang. */ +typedef struct { + void *data; /* data */ + size_t size; /* data length */ +} DBT; + +/* Routine flags. */ +#define R_CURSOR 1 /* del, put, seq */ +#define __R_UNUSED 2 /* UNUSED */ +#define R_FIRST 3 /* seq */ +#define R_IAFTER 4 /* put (RECNO) */ +#define R_IBEFORE 5 /* put (RECNO) */ +#define R_LAST 6 /* seq (BTREE, RECNO) */ +#define R_NEXT 7 /* seq */ +#define R_NOOVERWRITE 8 /* put */ +#define R_PREV 9 /* seq (BTREE, RECNO) */ +#define R_SETCURSOR 10 /* put (RECNO) */ +#define R_RECNOSYNC 11 /* sync (RECNO) */ + +typedef enum { DB_BTREE, DB_HASH, DB_RECNO } DBTYPE; + +typedef enum { LockOutDatabase, UnlockDatabase } DBLockFlagEnum; + +/* + * !!! + * The following flags are included in the dbopen(3) call as part of the + * open(2) flags. In order to avoid conflicts with the open flags, start + * at the top of the 16 or 32-bit number space and work our way down. If + * the open flags were significantly expanded in the future, it could be + * a problem. Wish I'd left another flags word in the dbopen call. + * + * !!! + * None of this stuff is implemented yet. The only reason that it's here + * is so that the access methods can skip copying the key/data pair when + * the DB_LOCK flag isn't set. + */ +#if UINT_MAX > 65535 +#define DB_LOCK 0x20000000 /* Do locking. */ +#define DB_SHMEM 0x40000000 /* Use shared memory. */ +#define DB_TXN 0x80000000 /* Do transactions. */ +#else +#define DB_LOCK 0x2000 /* Do locking. */ +#define DB_SHMEM 0x4000 /* Use shared memory. */ +#define DB_TXN 0x8000 /* Do transactions. */ +#endif + +/* Access method description structure. */ +typedef struct __db { + DBTYPE type; /* Underlying db type. */ + int (*close) (struct __db *); + int (*del) (const struct __db *, const DBT *, uint); + int (*get) (const struct __db *, const DBT *, DBT *, uint); + int (*put) (const struct __db *, DBT *, const DBT *, uint); + int (*seq) (const struct __db *, DBT *, DBT *, uint); + int (*sync) (const struct __db *, uint); + void *internal; /* Access method private. */ + int (*fd) (const struct __db *); +} DB; + +#define BTREEMAGIC 0x053162 +#define BTREEVERSION 3 + +/* Structure used to pass parameters to the btree routines. */ +typedef struct { +#define R_DUP 0x01 /* duplicate keys */ + uint32 flags; + uint cachesize; /* bytes to cache */ + int maxkeypage; /* maximum keys per page */ + int minkeypage; /* minimum keys per page */ + uint psize; /* page size */ + int (*compare) /* comparison function */ + (const DBT *, const DBT *); + size_t (*prefix) /* prefix function */ + (const DBT *, const DBT *); + int lorder; /* byte order */ +} BTREEINFO; + +#define HASHMAGIC 0x061561 +#define HASHVERSION 2 + +/* Structure used to pass parameters to the hashing routines. */ +typedef struct { + uint bsize; /* bucket size */ + uint ffactor; /* fill factor */ + uint nelem; /* number of elements */ + uint cachesize; /* bytes to cache */ + uint32 /* hash function */ + (*hash) (const void *, size_t); + int lorder; /* byte order */ +} HASHINFO; + +/* Structure used to pass parameters to the record routines. */ +typedef struct { +#define R_FIXEDLEN 0x01 /* fixed-length records */ +#define R_NOKEY 0x02 /* key not required */ +#define R_SNAPSHOT 0x04 /* snapshot the input */ + uint32 flags; + uint cachesize; /* bytes to cache */ + uint psize; /* page size */ + int lorder; /* byte order */ + size_t reclen; /* record length (fixed-length records) */ + uint8 bval; /* delimiting byte (variable-length records */ + char *bfname; /* btree file name */ +} RECNOINFO; + +#ifdef __DBINTERFACE_PRIVATE +/* + * Little endian <==> big endian 32-bit swap macros. + * M_32_SWAP swap a memory location + * P_32_SWAP swap a referenced memory location + * P_32_COPY swap from one location to another + */ +#define M_32_SWAP(a) { \ + uint32 _tmp = a; \ + ((char *)&a)[0] = ((char *)&_tmp)[3]; \ + ((char *)&a)[1] = ((char *)&_tmp)[2]; \ + ((char *)&a)[2] = ((char *)&_tmp)[1]; \ + ((char *)&a)[3] = ((char *)&_tmp)[0]; \ +} +#define P_32_SWAP(a) { \ + uint32 _tmp = *(uint32 *)a; \ + ((char *)a)[0] = ((char *)&_tmp)[3]; \ + ((char *)a)[1] = ((char *)&_tmp)[2]; \ + ((char *)a)[2] = ((char *)&_tmp)[1]; \ + ((char *)a)[3] = ((char *)&_tmp)[0]; \ +} +#define P_32_COPY(a, b) { \ + ((char *)&(b))[0] = ((char *)&(a))[3]; \ + ((char *)&(b))[1] = ((char *)&(a))[2]; \ + ((char *)&(b))[2] = ((char *)&(a))[1]; \ + ((char *)&(b))[3] = ((char *)&(a))[0]; \ +} + +/* + * Little endian <==> big endian 16-bit swap macros. + * M_16_SWAP swap a memory location + * P_16_SWAP swap a referenced memory location + * P_16_COPY swap from one location to another + */ +#define M_16_SWAP(a) { \ + uint16 _tmp = a; \ + ((char *)&a)[0] = ((char *)&_tmp)[1]; \ + ((char *)&a)[1] = ((char *)&_tmp)[0]; \ +} +#define P_16_SWAP(a) { \ + uint16 _tmp = *(uint16 *)a; \ + ((char *)a)[0] = ((char *)&_tmp)[1]; \ + ((char *)a)[1] = ((char *)&_tmp)[0]; \ +} +#define P_16_COPY(a, b) { \ + ((char *)&(b))[0] = ((char *)&(a))[1]; \ + ((char *)&(b))[1] = ((char *)&(a))[0]; \ +} +#endif + +PR_BEGIN_EXTERN_C +#if defined(__WATCOMC__) || defined(__WATCOM_CPLUSPLUS__) +extern DB * +#else +PR_EXTERN(DB *) +#endif +dbopen (const char *, int, int, DBTYPE, const void *); + +/* set or unset a global lock flag to disable the + * opening of any DBM file + */ +void dbSetOrClearDBLock(DBLockFlagEnum type); + +#ifdef __DBINTERFACE_PRIVATE +DB *__bt_open (const char *, int, int, const BTREEINFO *, int); +DB *__hash_open (const char *, int, int, const HASHINFO *, int); +DB *__rec_open (const char *, int, int, const RECNOINFO *, int); +void __dbpanic (DB *dbp); +#endif + +PR_END_EXTERN_C + +#endif /* !_DB_H_ */ diff --git a/dbm/include/mpool.h b/dbm/include/mpool.h new file mode 100644 index 000000000..a2fb62b9f --- /dev/null +++ b/dbm/include/mpool.h @@ -0,0 +1,99 @@ +/*- + * Copyright (c) 1991, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)mpool.h 8.2 (Berkeley) 7/14/94 + */ + +#include <sys/queue.h> + +/* + * The memory pool scheme is a simple one. Each in-memory page is referenced + * by a bucket which is threaded in up to two of three ways. All active pages + * are threaded on a hash chain (hashed by page number) and an lru chain. + * Inactive pages are threaded on a free chain. Each reference to a memory + * pool is handed an opaque MPOOL cookie which stores all of this information. + */ +#define HASHSIZE 128 +#define HASHKEY(pgno) ((pgno - 1) % HASHSIZE) + +/* The BKT structures are the elements of the queues. */ +typedef struct _bkt { + CIRCLEQ_ENTRY(_bkt) hq; /* hash queue */ + CIRCLEQ_ENTRY(_bkt) q; /* lru queue */ + void *page; /* page */ + pgno_t pgno; /* page number */ + +#define MPOOL_DIRTY 0x01 /* page needs to be written */ +#define MPOOL_PINNED 0x02 /* page is pinned into memory */ + uint8 flags; /* flags */ +} BKT; + +typedef struct MPOOL { + CIRCLEQ_HEAD(_lqh, _bkt) lqh; /* lru queue head */ + /* hash queue array */ + CIRCLEQ_HEAD(_hqh, _bkt) hqh[HASHSIZE]; + pgno_t curcache; /* current number of cached pages */ + pgno_t maxcache; /* max number of cached pages */ + pgno_t npages; /* number of pages in the file */ + uint32 pagesize; /* file page size */ + int fd; /* file descriptor */ + /* page in conversion routine */ + void (*pgin) (void *, pgno_t, void *); + /* page out conversion routine */ + void (*pgout) (void *, pgno_t, void *); + void *pgcookie; /* cookie for page in/out routines */ +#ifdef STATISTICS + uint32 cachehit; + uint32 cachemiss; + uint32 pagealloc; + uint32 pageflush; + uint32 pageget; + uint32 pagenew; + uint32 pageput; + uint32 pageread; + uint32 pagewrite; +#endif +} MPOOL; + +__BEGIN_DECLS +MPOOL *mpool_open (void *, int, pgno_t, pgno_t); +void mpool_filter (MPOOL *, void (*)(void *, pgno_t, void *), + void (*)(void *, pgno_t, void *), void *); +void *mpool_new (MPOOL *, pgno_t *); +void *mpool_get (MPOOL *, pgno_t, uint); +int mpool_put (MPOOL *, void *, uint); +int mpool_sync (MPOOL *); +int mpool_close (MPOOL *); +#ifdef STATISTICS +void mpool_stat (MPOOL *); +#endif +__END_DECLS diff --git a/dbm/include/ncompat.h b/dbm/include/ncompat.h new file mode 100644 index 000000000..c95b327fe --- /dev/null +++ b/dbm/include/ncompat.h @@ -0,0 +1,232 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)compat.h 8.13 (Berkeley) 2/21/94 + */ + +#ifndef _COMPAT_H_ +#define _COMPAT_H_ + +#include <sys/types.h> + +/* + * If your system doesn't typedef u_long, u_short, or u_char, change + * the 0 to a 1. + */ +#if 0 +typedef unsigned char u_char; /* 4.[34]BSD names. */ +typedef unsigned int u_int; +typedef unsigned long u_long; +typedef unsigned short u_short; +#endif + +/* If your system doesn't typedef size_t, change the 0 to a 1. */ +#if 0 +typedef unsigned int size_t; /* POSIX, 4.[34]BSD names. */ +#endif + +/* If your system doesn't typedef ssize_t, change the 0 to a 1. */ +#if 0 +typedef int ssize_t; /* POSIX names. */ +#endif + +/* + * If your system doesn't have the POSIX type for a signal mask, + * change the 0 to a 1. + */ +#if 0 /* POSIX 1003.1 signal mask type. */ +typedef unsigned int sigset_t; +#endif + +/* + * If your system's vsprintf returns a char *, not an int, + * change the 0 to a 1. + */ +#if defined (__sun) && !defined(__SVR4) /* SUNOS */ +#define VSPRINTF_CHARSTAR +#endif +/* + * If you don't have POSIX 1003.1 signals, the signal code surrounding the + * temporary file creation is intended to block all of the possible signals + * long enough to create the file and unlink it. All of this stuff is + * intended to use old-style BSD calls to fake POSIX 1003.1 calls. + */ +#ifdef NO_POSIX_SIGNALS +#define sigemptyset(set) (*(set) = 0) +#define sigfillset(set) (*(set) = ~(sigset_t)0, 0) +#define sigaddset(set,signo) (*(set) |= sigmask(signo), 0) +#define sigdelset(set,signo) (*(set) &= ~sigmask(signo), 0) +#define sigismember(set,signo) ((*(set) & sigmask(signo)) != 0) + +#define SIG_BLOCK 1 +#define SIG_UNBLOCK 2 +#define SIG_SETMASK 3 + +static int __sigtemp; /* For the use of sigprocmask */ + +/* Repeated test of oset != NULL is to avoid "*0". */ +#define sigprocmask(how, set, oset) \ + ((__sigtemp = \ + (((how) == SIG_BLOCK) ? \ + sigblock(0) | *(set) : \ + (((how) == SIG_UNBLOCK) ? \ + sigblock(0) & ~(*(set)) : \ + ((how) == SIG_SETMASK ? \ + *(set) : sigblock(0))))), \ + ((oset) ? (*(oset ? oset : set) = sigsetmask(__sigtemp)) : \ + sigsetmask(__sigtemp)), 0) +#endif + +/* + * If your system doesn't have an include file with the appropriate + * byte order set, make sure you specify the correct one. + */ +#ifndef BYTE_ORDER +#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ +#define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */ +#define BYTE_ORDER BIG_ENDIAN /* Set for your system. */ +#endif + +#if defined(SYSV) || defined(SYSTEM5) || defined(__sun) +#define index(a, b) strchr(a, b) +#define rindex(a, b) strrchr(a, b) +#define bzero(a, b) memset(a, 0, b) +#define bcmp(a, b, n) memcmp(a, b, n) +#define bcopy(a, b, n) memmove(b, a, n) +#endif + +#if defined(BSD) || defined(BSD4_3) +#define strchr(a, b) index(a, b) +#define strrchr(a, b) rindex(a, b) +#define memcmp(a, b, n) bcmp(a, b, n) +#define memmove(a, b, n) bcopy(b, a, n) +#endif + +/* + * 32-bit machine. The db routines are theoretically independent of + * the size of u_shorts and u_longs, but I don't know that anyone has + * ever actually tried it. At a minimum, change the following #define's + * if you are trying to compile on a different type of system. + */ +#ifndef USHRT_MAX +#define USHRT_MAX 0xFFFF +#define ULONG_MAX 0xFFFFFFFF +#endif + +#ifndef O_ACCMODE /* POSIX 1003.1 access mode mask. */ +#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR) +#endif + +#ifndef _POSIX2_RE_DUP_MAX /* POSIX 1003.2 RE limit. */ +#define _POSIX2_RE_DUP_MAX 255 +#endif + +/* + * If you can't provide lock values in the open(2) call. Note, this + * allows races to happen. + */ +#ifndef O_EXLOCK /* 4.4BSD extension. */ +#define O_EXLOCK 0 +#endif + +#ifndef O_SHLOCK /* 4.4BSD extension. */ +#define O_SHLOCK 0 +#endif + +#ifndef EFTYPE +#define EFTYPE EINVAL /* POSIX 1003.1 format errno. */ +#endif + +#ifndef WCOREDUMP /* 4.4BSD extension */ +#define WCOREDUMP(a) 0 +#endif + +#ifndef STDERR_FILENO +#define STDIN_FILENO 0 /* ANSI C #defines */ +#define STDOUT_FILENO 1 +#define STDERR_FILENO 2 +#endif + +#ifndef SEEK_END +#define SEEK_SET 0 /* POSIX 1003.1 seek values */ +#define SEEK_CUR 1 +#define SEEK_END 2 +#endif + +#ifndef _POSIX_VDISABLE /* POSIX 1003.1 disabling char. */ +#define _POSIX_VDISABLE 0 /* Some systems used 0. */ +#endif + +#ifndef TCSASOFT /* 4.4BSD extension. */ +#define TCSASOFT 0 +#endif + +#ifndef _POSIX2_RE_DUP_MAX /* POSIX 1003.2 values. */ +#define _POSIX2_RE_DUP_MAX 255 +#endif + +#ifndef NULL /* ANSI C #defines NULL everywhere. */ +#define NULL 0 +#endif + +#ifndef MAX /* Usually found in <sys/param.h>. */ +#define MAX(_a,_b) ((_a)<(_b)?(_b):(_a)) +#endif +#ifndef MIN /* Usually found in <sys/param.h>. */ +#define MIN(_a,_b) ((_a)<(_b)?(_a):(_b)) +#endif + +/* Default file permissions. */ +#ifndef DEFFILEMODE /* 4.4BSD extension. */ +#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) +#endif + +#ifndef __sun +#ifndef S_ISDIR /* POSIX 1003.1 file type tests. */ +#define S_ISDIR(m) ((m & 0170000) == 0040000) /* directory */ +#define S_ISCHR(m) ((m & 0170000) == 0020000) /* char special */ +#define S_ISBLK(m) ((m & 0170000) == 0060000) /* block special */ +#define S_ISREG(m) ((m & 0170000) == 0100000) /* regular file */ +#define S_ISFIFO(m) ((m & 0170000) == 0010000) /* fifo */ +#endif +#ifndef S_ISLNK /* BSD POSIX 1003.1 extensions */ +#define S_ISLNK(m) ((m & 0170000) == 0120000) /* symbolic link */ +#define S_ISSOCK(m) ((m & 0170000) == 0140000) /* socket */ +#endif +#endif /* __sun */ + +/* The type of a va_list. */ +#ifndef _BSD_VA_LIST_ /* 4.4BSD #define. */ +#define _BSD_VA_LIST_ char * +#endif + +#endif /* !_COMPAT_H_ */ diff --git a/dbm/include/ndbm.h b/dbm/include/ndbm.h new file mode 100644 index 000000000..7ad5f1a23 --- /dev/null +++ b/dbm/include/ndbm.h @@ -0,0 +1,77 @@ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Margo Seltzer. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ndbm.h 8.1 (Berkeley) 6/2/93 + */ + +#ifndef _NDBM_H_ +#define _NDBM_H_ + +#include "mcom_db.h" + +/* Map dbm interface onto db(3). */ +#define DBM_RDONLY O_RDONLY + +/* Flags to dbm_store(). */ +#define DBM_INSERT 0 +#define DBM_REPLACE 1 + +/* + * The db(3) support for ndbm(3) always appends this suffix to the + * file name to avoid overwriting the user's original database. + */ +#define DBM_SUFFIX ".db" + +typedef struct { + char *dptr; + int dsize; +} datum; + +typedef DB DBM; +#define dbm_pagfno(a) DBM_PAGFNO_NOT_AVAILABLE + +__BEGIN_DECLS +void dbm_close (DBM *); +int dbm_delete (DBM *, datum); +datum dbm_fetch (DBM *, datum); +datum dbm_firstkey (DBM *); +long dbm_forder (DBM *, datum); +datum dbm_nextkey (DBM *); +DBM *dbm_open (const char *, int, int); +int dbm_store (DBM *, datum, datum, int); +int dbm_dirfno (DBM *); +__END_DECLS + +#endif /* !_NDBM_H_ */ diff --git a/dbm/include/nsres.h b/dbm/include/nsres.h new file mode 100644 index 000000000..f3f4e2d1a --- /dev/null +++ b/dbm/include/nsres.h @@ -0,0 +1,41 @@ +#ifndef NSRES_H +#define NSRES_H +#include "mcom_db.h" + +__BEGIN_DECLS + +/* C version */ +#define NSRESHANDLE void * + +typedef void (*NSRESTHREADFUNC)(void *); + +typedef struct NSRESTHREADINFO +{ + void *lock; + NSRESTHREADFUNC fn_lock; + NSRESTHREADFUNC fn_unlock; +} NSRESTHREADINFO; + +#define MAXBUFNUM 10 +#define MAXSTRINGLEN 300 + +#define NSRES_CREATE 1 +#define NSRES_OPEN 2 + + + +NSRESHANDLE NSResCreateTable(const char *filename, NSRESTHREADINFO *threadinfo); +NSRESHANDLE NSResOpenTable(const char *filename, NSRESTHREADINFO *threadinfo); +void NSResCloseTable(NSRESHANDLE handle); + +char *NSResLoadString(NSRESHANDLE handle, const char * library, int32 id, + unsigned int charsetid, char *retbuf); +int32 NSResGetSize(NSRESHANDLE handle, const char *library, int32 id); +int32 NSResLoadResource(NSRESHANDLE handle, const char *library, int32 id, char *retbuf); +int NSResAddString(NSRESHANDLE handle, const char *library, int32 id, const char *string, unsigned int charset); + +__END_DECLS + + +#endif + diff --git a/dbm/include/page.h b/dbm/include/page.h new file mode 100644 index 000000000..faf2b815b --- /dev/null +++ b/dbm/include/page.h @@ -0,0 +1,96 @@ +/*- + * Copyright (c) 1990, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Margo Seltzer. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)page.h 8.2 (Berkeley) 5/31/94 + */ + +/* + * Definitions for hashing page file format. + */ + +/* + * routines dealing with a data page + * + * page format: + * +------------------------------+ + * p | n | keyoff | datoff | keyoff | + * +------------+--------+--------+ + * | datoff | free | ptr | --> | + * +--------+---------------------+ + * | F R E E A R E A | + * +--------------+---------------+ + * | <---- - - - | data | + * +--------+-----+----+----------+ + * | key | data | key | + * +--------+----------+----------+ + * + * Pointer to the free space is always: p[p[0] + 2] + * Amount of free space on the page is: p[p[0] + 1] + */ + +/* + * How many bytes required for this pair? + * 2 shorts in the table at the top of the page + room for the + * key and room for the data + * + * We prohibit entering a pair on a page unless there is also room to append + * an overflow page. The reason for this it that you can get in a situation + * where a single key/data pair fits on a page, but you can't append an + * overflow page and later you'd have to split the key/data and handle like + * a big pair. + * You might as well do this up front. + */ +#ifndef PAGE_H +#define PAGE_H + +#define PAIRSIZE(K,D) (2*sizeof(uint16) + (K)->size + (D)->size) +#define BIGOVERHEAD (4*sizeof(uint16)) +#define KEYSIZE(K) (4*sizeof(uint16) + (K)->size); +#define OVFLSIZE (2*sizeof(uint16)) +#define FREESPACE(P) ((P)[(P)[0]+1]) +#define OFFSET(P) ((P)[(P)[0]+2]) +#define PAIRFITS(P,K,D) \ + (((P)[2] >= REAL_KEY) && \ + (PAIRSIZE((K),(D)) + OVFLSIZE) <= FREESPACE((P))) +#define PAGE_META(N) (((N)+3) * sizeof(uint16)) + +typedef struct { + BUFHEAD *newp; + BUFHEAD *oldp; + BUFHEAD *nextp; + uint16 next_addr; +} SPLIT_RETURN; +#endif + diff --git a/dbm/include/queue.h b/dbm/include/queue.h new file mode 100644 index 000000000..40d32ccb6 --- /dev/null +++ b/dbm/include/queue.h @@ -0,0 +1,245 @@ +/* + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)queue.h 8.3 (Berkeley) 12/13/93 + */ + +#ifndef _QUEUE_H_ +#define _QUEUE_H_ + +/* + * This file defines three types of data structures: lists, tail queues, + * and circular queues. + * + * A list is headed by a single forward pointer (or an array of forward + * pointers for a hash table header). The elements are doubly linked + * so that an arbitrary element can be removed without a need to + * traverse the list. New elements can be added to the list after + * an existing element or at the head of the list. A list may only be + * traversed in the forward direction. + * + * A tail queue is headed by a pair of pointers, one to the head of the + * list and the other to the tail of the list. The elements are doubly + * linked so that an arbitrary element can be removed without a need to + * traverse the list. New elements can be added to the list after + * an existing element, at the head of the list, or at the end of the + * list. A tail queue may only be traversed in the forward direction. + * + * A circle queue is headed by a pair of pointers, one to the head of the + * list and the other to the tail of the list. The elements are doubly + * linked so that an arbitrary element can be removed without a need to + * traverse the list. New elements can be added to the list before or after + * an existing element, at the head of the list, or at the end of the list. + * A circle queue may be traversed in either direction, but has a more + * complex end of list detection. + * + * For details on the use of these macros, see the queue(3) manual page. + */ + +/* + * List definitions. + */ +#define LIST_HEAD(name, type) \ +struct name { \ + struct type *lh_first; /* first element */ \ +} + +#define LIST_ENTRY(type) \ +struct { \ + struct type *le_next; /* next element */ \ + struct type **le_prev; /* address of previous next element */ \ +} + +/* + * List functions. + */ +#define LIST_INIT(head) { \ + (head)->lh_first = NULL; \ +} + +#define LIST_INSERT_AFTER(listelm, elm, field) { \ + if (((elm)->field.le_next = (listelm)->field.le_next) != NULL) \ + (listelm)->field.le_next->field.le_prev = \ + &(elm)->field.le_next; \ + (listelm)->field.le_next = (elm); \ + (elm)->field.le_prev = &(listelm)->field.le_next; \ +} + +#define LIST_INSERT_HEAD(head, elm, field) { \ + if (((elm)->field.le_next = (head)->lh_first) != NULL) \ + (head)->lh_first->field.le_prev = &(elm)->field.le_next;\ + (head)->lh_first = (elm); \ + (elm)->field.le_prev = &(head)->lh_first; \ +} + +#define LIST_REMOVE(elm, field) { \ + if ((elm)->field.le_next != NULL) \ + (elm)->field.le_next->field.le_prev = \ + (elm)->field.le_prev; \ + *(elm)->field.le_prev = (elm)->field.le_next; \ +} + +/* + * Tail queue definitions. + */ +#define TAILQ_HEAD(name, type) \ +struct name { \ + struct type *tqh_first; /* first element */ \ + struct type **tqh_last; /* addr of last next element */ \ +} + +#define TAILQ_ENTRY(type) \ +struct { \ + struct type *tqe_next; /* next element */ \ + struct type **tqe_prev; /* address of previous next element */ \ +} + +/* + * Tail queue functions. + */ +#define TAILQ_INIT(head) { \ + (head)->tqh_first = NULL; \ + (head)->tqh_last = &(head)->tqh_first; \ +} + +#define TAILQ_INSERT_HEAD(head, elm, field) { \ + if (((elm)->field.tqe_next = (head)->tqh_first) != NULL) \ + (elm)->field.tqe_next->field.tqe_prev = \ + &(elm)->field.tqe_next; \ + else \ + (head)->tqh_last = &(elm)->field.tqe_next; \ + (head)->tqh_first = (elm); \ + (elm)->field.tqe_prev = &(head)->tqh_first; \ +} + +#define TAILQ_INSERT_TAIL(head, elm, field) { \ + (elm)->field.tqe_next = NULL; \ + (elm)->field.tqe_prev = (head)->tqh_last; \ + *(head)->tqh_last = (elm); \ + (head)->tqh_last = &(elm)->field.tqe_next; \ +} + +#define TAILQ_INSERT_AFTER(head, listelm, elm, field) { \ + if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)\ + (elm)->field.tqe_next->field.tqe_prev = \ + &(elm)->field.tqe_next; \ + else \ + (head)->tqh_last = &(elm)->field.tqe_next; \ + (listelm)->field.tqe_next = (elm); \ + (elm)->field.tqe_prev = &(listelm)->field.tqe_next; \ +} + +#define TAILQ_REMOVE(head, elm, field) { \ + if (((elm)->field.tqe_next) != NULL) \ + (elm)->field.tqe_next->field.tqe_prev = \ + (elm)->field.tqe_prev; \ + else \ + (head)->tqh_last = (elm)->field.tqe_prev; \ + *(elm)->field.tqe_prev = (elm)->field.tqe_next; \ +} + +/* + * Circular queue definitions. + */ +#define CIRCLEQ_HEAD(name, type) \ +struct name { \ + struct type *cqh_first; /* first element */ \ + struct type *cqh_last; /* last element */ \ +} + +#define CIRCLEQ_ENTRY(type) \ +struct { \ + struct type *cqe_next; /* next element */ \ + struct type *cqe_prev; /* previous element */ \ +} + +/* + * Circular queue functions. + */ +#define CIRCLEQ_INIT(head) { \ + (head)->cqh_first = (void *)(head); \ + (head)->cqh_last = (void *)(head); \ +} + +#define CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) { \ + (elm)->field.cqe_next = (listelm)->field.cqe_next; \ + (elm)->field.cqe_prev = (listelm); \ + if ((listelm)->field.cqe_next == (void *)(head)) \ + (head)->cqh_last = (elm); \ + else \ + (listelm)->field.cqe_next->field.cqe_prev = (elm); \ + (listelm)->field.cqe_next = (elm); \ +} + +#define CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) { \ + (elm)->field.cqe_next = (listelm); \ + (elm)->field.cqe_prev = (listelm)->field.cqe_prev; \ + if ((listelm)->field.cqe_prev == (void *)(head)) \ + (head)->cqh_first = (elm); \ + else \ + (listelm)->field.cqe_prev->field.cqe_next = (elm); \ + (listelm)->field.cqe_prev = (elm); \ +} + +#define CIRCLEQ_INSERT_HEAD(head, elm, field) { \ + (elm)->field.cqe_next = (head)->cqh_first; \ + (elm)->field.cqe_prev = (void *)(head); \ + if ((head)->cqh_last == (void *)(head)) \ + (head)->cqh_last = (elm); \ + else \ + (head)->cqh_first->field.cqe_prev = (elm); \ + (head)->cqh_first = (elm); \ +} + +#define CIRCLEQ_INSERT_TAIL(head, elm, field) { \ + (elm)->field.cqe_next = (void *)(head); \ + (elm)->field.cqe_prev = (head)->cqh_last; \ + if ((head)->cqh_first == (void *)(head)) \ + (head)->cqh_first = (elm); \ + else \ + (head)->cqh_last->field.cqe_next = (elm); \ + (head)->cqh_last = (elm); \ +} + +#define CIRCLEQ_REMOVE(head, elm, field) { \ + if ((elm)->field.cqe_next == (void *)(head)) \ + (head)->cqh_last = (elm)->field.cqe_prev; \ + else \ + (elm)->field.cqe_next->field.cqe_prev = \ + (elm)->field.cqe_prev; \ + if ((elm)->field.cqe_prev == (void *)(head)) \ + (head)->cqh_first = (elm)->field.cqe_next; \ + else \ + (elm)->field.cqe_prev->field.cqe_next = \ + (elm)->field.cqe_next; \ +} +#endif /* !_QUEUE_H_ */ diff --git a/dbm/include/search.h b/dbm/include/search.h new file mode 100644 index 000000000..ff58b1c15 --- /dev/null +++ b/dbm/include/search.h @@ -0,0 +1,51 @@ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Margo Seltzer. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)search.h 8.1 (Berkeley) 6/4/93 + */ + +/* Backward compatibility to hsearch interface. */ +typedef struct entry { + char *key; + char *data; +} ENTRY; + +typedef enum { + FIND, ENTER +} ACTION; + +int hcreate (unsigned int); +void hdestroy (void); +ENTRY *hsearch (ENTRY, ACTION); diff --git a/dbm/include/watcomfx.h b/dbm/include/watcomfx.h new file mode 100644 index 000000000..3020e9de9 --- /dev/null +++ b/dbm/include/watcomfx.h @@ -0,0 +1,26 @@ +#if defined(__WATCOMC__) || defined(__WATCOM_CPLUSPLUS__) +#ifndef __WATCOM_FIX_H__ +#define __WATCOM_FIX_H__ 1 +/* + * WATCOM's C compiler doesn't default to "__cdecl" conventions for external + * symbols and functions. Rather than adding an explicit __cdecl modifier to + * every external symbol and function declaration and definition, we use the + * following pragma to (attempt to) change WATCOM c's default to __cdecl. + * These pragmas were taken from pages 180-181, 266 & 269 of the + * Watcom C/C++ version 11 User's Guide, 3rd edition. + */ +#if defined(XP_WIN16) || defined(WIN16) +#pragma aux default "_*" \ + parm caller [] \ + value struct float struct routine [ax] \ + modify [ax bx cx dx es] +#else +#pragma aux default "_*" \ + parm caller [] \ + value struct float struct routine [eax] \ + modify [eax ecx edx] +#endif +#pragma aux default far + +#endif /* once */ +#endif /* WATCOM compiler */ diff --git a/dbm/include/winfile.h b/dbm/include/winfile.h new file mode 100644 index 000000000..1fd54d578 --- /dev/null +++ b/dbm/include/winfile.h @@ -0,0 +1,106 @@ + +/* --------------------------------------------------------------------------- + Stuff to fake unix file I/O on windows boxes + ------------------------------------------------------------------------*/ + +#ifndef WINFILE_H +#define WINFILE_H + +#ifdef _WINDOWS +/* hacked out of <dirent.h> on an SGI */ +#if defined(XP_WIN32) || defined(_WIN32) +/* 32-bit stuff here */ +#include <windows.h> +#include <stdlib.h> +#ifdef __MINGW32__ +#include <sys/types.h> +#include <sys/stat.h> +#else +#include <sys\types.h> +#include <sys\stat.h> +#endif + +typedef struct DIR_Struct { + void * directoryPtr; + WIN32_FIND_DATA data; +} DIR; + +#define _ST_FSTYPSZ 16 + +#if !defined(__BORLANDC__) && !defined(__GNUC__) + typedef unsigned long mode_t; + typedef long uid_t; + typedef long gid_t; + typedef long off_t; + typedef unsigned long nlink_t; +#endif + +typedef struct timestruc { + time_t tv_sec; /* seconds */ + long tv_nsec; /* and nanoseconds */ +} timestruc_t; + + +struct dirent { /* data from readdir() */ + ino_t d_ino; /* inode number of entry */ + off_t d_off; /* offset of disk direntory entry */ + unsigned short d_reclen; /* length of this record */ + char d_name[_MAX_FNAME]; /* name of file */ +}; + +#if !defined(__BORLANDC__) && !defined (__GNUC__) +#define S_ISDIR(s) ((s) & _S_IFDIR) +#endif + +#else /* _WIN32 */ +/* 16-bit windows stuff */ + +#include <sys\types.h> +#include <sys\stat.h> +#include <dos.h> + + + +/* Getting cocky to support multiple file systems */ +typedef struct dirStruct_tag { + struct _find_t file_data; + char c_checkdrive; +} dirStruct; + +typedef struct DIR_Struct { + void * directoryPtr; + dirStruct data; +} DIR; + +#define _ST_FSTYPSZ 16 +typedef unsigned long mode_t; +typedef long uid_t; +typedef long gid_t; +typedef long off_t; +typedef unsigned long nlink_t; + +typedef struct timestruc { + time_t tv_sec; /* seconds */ + long tv_nsec; /* and nanoseconds */ +} timestruc_t; + +struct dirent { /* data from readdir() */ + ino_t d_ino; /* inode number of entry */ + off_t d_off; /* offset of disk direntory entry */ + unsigned short d_reclen; /* length of this record */ +#ifdef XP_WIN32 + char d_name[_MAX_FNAME]; /* name of file */ +#else + char d_name[20]; /* name of file */ +#endif +}; + +#define S_ISDIR(s) ((s) & _S_IFDIR) + +#endif /* 16-bit windows */ + +#define CONST const + +#endif /* _WINDOWS */ + +#endif /* WINFILE_H */ |