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midl.h
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1
11/* $OpenLDAP$ */
12/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
13 *
14 * Copyright 2000-2021 The OpenLDAP Foundation.
15 * Portions Copyright 2001-2021 Howard Chu, Symas Corp.
16 * All rights reserved.
17 *
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted only as authorized by the OpenLDAP
20 * Public License.
21 *
22 * A copy of this license is available in the file LICENSE in the
23 * top-level directory of the distribution or, alternatively, at
24 * <http://www.OpenLDAP.org/license.html>.
25 */
26
27#ifndef _MDB_MIDL_H_
28#define _MDB_MIDL_H_
29
30#include <stddef.h>
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
46typedef size_t MDB_ID;
47
54typedef MDB_ID *MDB_IDL;
55
56/* IDL sizes - likely should be even bigger
57 * limiting factors: sizeof(ID), thread stack size
58 */
59#define MDB_IDL_LOGN 16 /* DB_SIZE is 2^16, UM_SIZE is 2^17 */
60#define MDB_IDL_DB_SIZE (1<<MDB_IDL_LOGN)
61#define MDB_IDL_UM_SIZE (1<<(MDB_IDL_LOGN+1))
62
63#define MDB_IDL_DB_MAX (MDB_IDL_DB_SIZE-1)
64#define MDB_IDL_UM_MAX (MDB_IDL_UM_SIZE-1)
65
66#define MDB_IDL_SIZEOF(ids) (((ids)[0]+1) * sizeof(MDB_ID))
67#define MDB_IDL_IS_ZERO(ids) ( (ids)[0] == 0 )
68#define MDB_IDL_CPY( dst, src ) (memcpy( dst, src, MDB_IDL_SIZEOF( src ) ))
69#define MDB_IDL_FIRST( ids ) ( (ids)[1] )
70#define MDB_IDL_LAST( ids ) ( (ids)[(ids)[0]] )
71
73#define MDB_IDL_ALLOCLEN( ids ) ( (ids)[-1] )
74
76#define mdb_midl_xappend(idl, id) do { \
77 MDB_ID *xidl = (idl), xlen = ++(xidl[0]); \
78 xidl[xlen] = (id); \
79 } while (0)
80
86unsigned mdb_midl_search( MDB_IDL ids, MDB_ID id );
87
92MDB_IDL mdb_midl_alloc(int num);
93
97void mdb_midl_free(MDB_IDL ids);
98
103void mdb_midl_shrink(MDB_IDL *idp);
104
110int mdb_midl_need(MDB_IDL *idp, unsigned num);
111
117int mdb_midl_append( MDB_IDL *idp, MDB_ID id );
118
124int mdb_midl_append_list( MDB_IDL *idp, MDB_IDL app );
125
132int mdb_midl_append_range( MDB_IDL *idp, MDB_ID id, unsigned n );
133
138void mdb_midl_xmerge( MDB_IDL idl, MDB_IDL merge );
139
143void mdb_midl_sort( MDB_IDL ids );
144
147typedef struct MDB_ID2 {
149 void *mptr;
150} MDB_ID2;
151
158
164unsigned mdb_mid2l_search( MDB_ID2L ids, MDB_ID id );
165
166
172int mdb_mid2l_insert( MDB_ID2L ids, MDB_ID2 *id );
173
179int mdb_mid2l_append( MDB_ID2L ids, MDB_ID2 *id );
180
183#ifdef __cplusplus
184}
185#endif
186#endif /* _MDB_MIDL_H_ */
MDB_ID mid
Definition: midl.h:148
void * mptr
Definition: midl.h:149
void mdb_midl_free(MDB_IDL ids)
Definition: midl.c:114
int mdb_midl_append_list(MDB_IDL *idp, MDB_IDL app)
Definition: midl.c:171
MDB_ID * MDB_IDL
Definition: midl.h:54
int mdb_midl_need(MDB_IDL *idp, unsigned num)
Definition: midl.c:143
void mdb_midl_xmerge(MDB_IDL idl, MDB_IDL merge)
Definition: midl.c:201
unsigned mdb_mid2l_search(MDB_ID2L ids, MDB_ID id)
Definition: midl.c:281
int mdb_mid2l_append(MDB_ID2L ids, MDB_ID2 *id)
Definition: midl.c:347
int mdb_mid2l_insert(MDB_ID2L ids, MDB_ID2 *id)
Definition: midl.c:316
void mdb_midl_shrink(MDB_IDL *idp)
Definition: midl.c:120
unsigned mdb_midl_search(MDB_IDL ids, MDB_ID id)
Definition: midl.c:34
MDB_IDL mdb_midl_alloc(int num)
Definition: midl.c:104
void mdb_midl_sort(MDB_IDL ids)
Definition: midl.c:221
int mdb_midl_append_range(MDB_IDL *idp, MDB_ID id, unsigned n)
Definition: midl.c:185
size_t MDB_ID
Definition: midl.h:46
int mdb_midl_append(MDB_IDL *idp, MDB_ID id)
Definition: midl.c:157
MDB_ID2 * MDB_ID2L
Definition: midl.h:157
Definition: midl.h:147