Mercurial > trustbridge > nss-cmake-static

annotate nss/lib/dbm/src/db.c @ 4:b513267f632f tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Build DBM module
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 18:58:03 +0200 (2014-08-05)
parents 150b72113545
children
rev   line source
3
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
1 /*-
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
2 * Copyright (c) 1991, 1993
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
3 * The Regents of the University of California. All rights reserved.
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
4 *
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
5 * Redistribution and use in source and binary forms, with or without
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
6 * modification, are permitted provided that the following conditions
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
7 * are met:
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
8 * 1. Redistributions of source code must retain the above copyright
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
9 * notice, this list of conditions and the following disclaimer.
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
10 * 2. Redistributions in binary form must reproduce the above copyright
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
11 * notice, this list of conditions and the following disclaimer in the
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
12 * documentation and/or other materials provided with the distribution.
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
13 * 3. ***REMOVED*** - see
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
14 * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
15 * 4. Neither the name of the University nor the names of its contributors
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
16 * may be used to endorse or promote products derived from this software
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
17 * without specific prior written permission.
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
18 *
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
29 * SUCH DAMAGE.
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
30 */
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
31
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
32 #if defined(LIBC_SCCS) && !defined(lint)
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
33 static char sccsid[] = "@(#)db.c 8.4 (Berkeley) 2/21/94";
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
34 #endif /* LIBC_SCCS and not lint */
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
35
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
36 #ifndef __DBINTERFACE_PRIVATE
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
37 #define __DBINTERFACE_PRIVATE
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
38 #endif
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
39 #ifdef macintosh
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
40 #include <unix.h>
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
41 #else
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
42 #include <sys/types.h>
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
43 #endif
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
44
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
45 #include <errno.h>
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
46 #include <fcntl.h>
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
47 #include <stddef.h>
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
48 #include <stdio.h>
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
49
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
50 #include "mcom_db.h"
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
51
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
52 /* a global flag that locks closed all databases */
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
53 int all_databases_locked_closed = 0;
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
54
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
55 /* set or unset a global lock flag to disable the
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
56 * opening of any DBM file
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
57 */
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
58 void
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
59 dbSetOrClearDBLock(DBLockFlagEnum type)
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
60 {
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
61 if(type == LockOutDatabase)
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
62 all_databases_locked_closed = 1;
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
63 else
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
64 all_databases_locked_closed = 0;
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
65 }
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
66
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
67 DB *
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
68 dbopen(const char *fname, int flags,int mode, DBTYPE type, const void *openinfo)
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
69 {
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
70
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
71 /* lock out all file databases. Let in-memory databases through
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
72 */
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
73 if(all_databases_locked_closed && fname)
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
74 {
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
75 errno = EINVAL;
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
76 return(NULL);
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
77 }
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
78
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
79 #define DB_FLAGS (DB_LOCK | DB_SHMEM | DB_TXN)
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
80
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
81
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
82 #if 0 /* most systems don't have EXLOCK and SHLOCK */
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
83 #define USE_OPEN_FLAGS \
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
84 (O_CREAT | O_EXCL | O_EXLOCK | O_NONBLOCK | O_RDONLY | \
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
85 O_RDWR | O_SHLOCK | O_TRUNC)
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
86 #else
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
87 #define USE_OPEN_FLAGS \
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
88 (O_CREAT | O_EXCL | O_RDONLY | \
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
89 O_RDWR | O_TRUNC)
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
90 #endif
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
91
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
92 if ((flags & ~(USE_OPEN_FLAGS | DB_FLAGS)) == 0)
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
93 switch (type) {
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
94 /* we don't need btree and recno right now */
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
95 #if 0
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
96 case DB_BTREE:
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
97 return (__bt_open(fname, flags & USE_OPEN_FLAGS,
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
98 mode, openinfo, flags & DB_FLAGS));
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
99 case DB_RECNO:
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
100 return (__rec_open(fname, flags & USE_OPEN_FLAGS,
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
101 mode, openinfo, flags & DB_FLAGS));
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
102 #endif
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
103
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
104 case DB_HASH:
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
105 return (__hash_open(fname, flags & USE_OPEN_FLAGS,
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
106 mode, (const HASHINFO *)openinfo, flags & DB_FLAGS));
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
107 default:
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
108 break;
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
109 }
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
110 errno = EINVAL;
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
111 return (NULL);
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
112 }
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
113
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
114 static int
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
115 __dberr()
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
116 {
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
117 return (RET_ERROR);
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
118 }
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
119
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
120 /*
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
121 * __DBPANIC -- Stop.
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
122 *
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
123 * Parameters:
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
124 * dbp: pointer to the DB structure.
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
125 */
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
126 void
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
127 __dbpanic(DB *dbp)
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
128 {
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
129 /* The only thing that can succeed is a close. */
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
130 dbp->del = (int (*)(const struct __db *, const DBT *, uint))__dberr;
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
131 dbp->fd = (int (*)(const struct __db *))__dberr;
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
132 dbp->get = (int (*)(const struct __db *, const DBT *, DBT *, uint))__dberr;
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
133 dbp->put = (int (*)(const struct __db *, DBT *, const DBT *, uint))__dberr;
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
134 dbp->seq = (int (*)(const struct __db *, DBT *, DBT *, uint))__dberr;
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
135 dbp->sync = (int (*)(const struct __db *, uint))__dberr;
150b72113545 Add DBM and legacydb support
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
136 }
This site is hosted by Intevation GmbH (Datenschutzerklärung und Impressum | Privacy Policy and Imprint)