include/openssl/txt_db.h

   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 # if !OPENSSL_API_3
  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
  33 extern "C" {
  34 #endif
  35
  36 typedef OPENSSL_STRING *OPENSSL_PSTRING;
  37 DEFINE_SPECIAL_STACK_OF(OPENSSL_PSTRING, OPENSSL_STRING)
  38
  39 typedef 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
  50 TXT_DB *TXT_DB_read(BIO *in, int num);
  51 long TXT_DB_write(BIO *out, TXT_DB *db);
  52 int TXT_DB_create_index(TXT_DB *db, int field, int (*qual) (OPENSSL_STRING *),
  53                         OPENSSL_LH_HASHFUNC hash, OPENSSL_LH_COMPFUNC cmp);
  54 void TXT_DB_free(TXT_DB *db);
  55 OPENSSL_STRING *TXT_DB_get_by_index(TXT_DB *db, int idx,
  56                                     OPENSSL_STRING *value);
  57 int TXT_DB_insert(TXT_DB *db, OPENSSL_STRING *value);
  58
  59 #ifdef  __cplusplus
  60 }
  61 #endif
  62
  63 #endif