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