include/openssl/txt_db.h

   1 /*
   2  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (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 HEADER_TXT_DB_H
  11 # define HEADER_TXT_DB_H
  12
  13 # include <openssl/opensslconf.h>
  14 # include <openssl/bio.h>
  15 # include <openssl/stack.h>
  16 # include <openssl/lhash.h>
  17
  18 # define DB_ERROR_OK                     0
  19 # define DB_ERROR_MALLOC                 1
  20 # define DB_ERROR_INDEX_CLASH            2
  21 # define DB_ERROR_INDEX_OUT_OF_RANGE     3
  22 # define DB_ERROR_NO_INDEX               4
  23 # define DB_ERROR_INSERT_INDEX_CLASH     5
  24 # define DB_ERROR_WRONG_NUM_FIELDS       6
  25
  26 #ifdef  __cplusplus
  27 extern "C" {
  28 #endif
  29
  30 typedef OPENSSL_STRING *OPENSSL_PSTRING;
  31 DEFINE_SPECIAL_STACK_OF(OPENSSL_PSTRING, OPENSSL_STRING)
  32
  33 typedef struct txt_db_st {
  34     int num_fields;
  35     STACK_OF(OPENSSL_PSTRING) *data;
  36     LHASH_OF(OPENSSL_STRING) **index;
  37     int (**qual) (OPENSSL_STRING *);
  38     long error;
  39     long arg1;
  40     long arg2;
  41     OPENSSL_STRING *arg_row;
  42 } TXT_DB;
  43
  44 TXT_DB *TXT_DB_read(BIO *in, int num);
  45 long TXT_DB_write(BIO *out, TXT_DB *db);
  46 int TXT_DB_create_index(TXT_DB *db, int field, int (*qual) (OPENSSL_STRING *),
  47                         LHASH_HASH_FN_TYPE hash, LHASH_COMP_FN_TYPE cmp);
  48 void TXT_DB_free(TXT_DB *db);
  49 OPENSSL_STRING *TXT_DB_get_by_index(TXT_DB *db, int idx,
  50                                     OPENSSL_STRING *value);
  51 int TXT_DB_insert(TXT_DB *db, OPENSSL_STRING *value);
  52
  53 #ifdef  __cplusplus
  54 }
  55 #endif
  56
  57 #endif