--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nss/lib/dbm/include/mcom_db.h	Tue Aug 05 18:32:02 2014 +0200
@@ -0,0 +1,420 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*- 
+ * 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. ***REMOVED*** - see 
+ *    ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
+ * 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"
+
+#if !defined(XP_BEOS) && !defined(XP_OS2) && !defined(XP_UNIX) || defined(NTO)
+typedef PRUintn uint;
+#endif
+typedef PRUint8 uint8;
+typedef PRUint16 uint16;
+/* On AIX 5.2, sys/inttypes.h (which is included by sys/types.h)
+ * defines the types int8, int16, int32, and int64. */
+#if !defined(AIX)
+typedef PRInt32 int32;
+#endif
+typedef PRUint32 uint32;
+
+#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
+
+#ifdef _WINDOWS
+#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)
+#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
+
+extern DB *
+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_ */