1/*
2 * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#ifndef OPENSSL_TXT_DB_H
11# define OPENSSL_TXT_DB_H
12# pragma once
13
14# include <openssl/macros.h>
15# ifndef OPENSSL_NO_DEPRECATED_3_0
16#  define HEADER_TXT_DB_H
17# endif
18
19# include <openssl/opensslconf.h>
20# include <openssl/bio.h>
21# include <openssl/safestack.h>
22# include <openssl/lhash.h>
23
24# define DB_ERROR_OK                     0
25# define DB_ERROR_MALLOC                 1
26# define DB_ERROR_INDEX_CLASH            2
27# define DB_ERROR_INDEX_OUT_OF_RANGE     3
28# define DB_ERROR_NO_INDEX               4
29# define DB_ERROR_INSERT_INDEX_CLASH     5
30# define DB_ERROR_WRONG_NUM_FIELDS       6
31
32#ifdef  __cplusplus
33extern "C" {
34#endif
35
36typedef OPENSSL_STRING *OPENSSL_PSTRING;
37DEFINE_SPECIAL_STACK_OF(OPENSSL_PSTRING, OPENSSL_STRING)
38
39typedef struct txt_db_st {
40    int num_fields;
41    STACK_OF(OPENSSL_PSTRING) *data;
42    LHASH_OF(OPENSSL_STRING) **index;
43    int (**qual) (OPENSSL_STRING *);
44    long error;
45    long arg1;
46    long arg2;
47    OPENSSL_STRING *arg_row;
48} TXT_DB;
49
50TXT_DB *TXT_DB_read(BIO *in, int num);
51long TXT_DB_write(BIO *out, TXT_DB *db);
52int TXT_DB_create_index(TXT_DB *db, int field, int (*qual) (OPENSSL_STRING *),
53                        OPENSSL_LH_HASHFUNC hash, OPENSSL_LH_COMPFUNC cmp);
54void TXT_DB_free(TXT_DB *db);
55OPENSSL_STRING *TXT_DB_get_by_index(TXT_DB *db, int idx,
56                                    OPENSSL_STRING *value);
57int TXT_DB_insert(TXT_DB *db, OPENSSL_STRING *value);
58
59#ifdef  __cplusplus
60}
61#endif
62
63#endif
64