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This commit is contained in:
Christian Grothoff
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src/pq/pq_helper.c
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214
src/pq/pq_helper.c
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/*
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This file is part of TALER
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Copyright (C) 2014, 2015 Christian Grothoff (and other contributing authors)
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* @file pq/pq_helper.c
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* @brief functions to initialize parameter arrays
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* @author Christian Grothoff
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*/
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#include "platform.h"
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#include <gnunet/gnunet_util_lib.h>
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#include "taler_pq_lib.h"
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/**
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* Generate query parameter for a currency, consisting of the three
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* components "value", "fraction" and "currency" in this order. The
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* types must be a 64-bit integer, 32-bit integer and a
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* #TALER_CURRENCY_LEN-sized BLOB/VARCHAR respectively.
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*
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* @param x pointer to the query parameter to pass
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* @return array entry for the query parameters to use
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*/
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struct TALER_PQ_QueryParam
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TALER_PQ_QUERY_PARAM_AMOUNT_NBO (const struct TALER_AmountNBO *x)
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{
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struct TALER_PQ_QueryParam res =
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{ TALER_PQ_QF_AMOUNT_NBO, x, sizeof (*x) };
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return res;
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}
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/**
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* Generate query parameter for a currency, consisting of the three
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* components "value", "fraction" and "currency" in this order. The
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* types must be a 64-bit integer, 32-bit integer and a
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* #TALER_CURRENCY_LEN-sized BLOB/VARCHAR respectively.
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*
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* @param x pointer to the query parameter to pass
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* @return array entry for the query parameters to use
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*/
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struct TALER_PQ_QueryParam
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TALER_PQ_QUERY_PARAM_AMOUNT (const struct TALER_Amount *x)
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{
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struct TALER_PQ_QueryParam res =
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{ TALER_PQ_QF_AMOUNT, x, sizeof (*x) };
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return res;
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}
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/**
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* Generate query parameter for an RSA public key. The
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* database must contain a BLOB type in the respective position.
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*
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* @param x the query parameter to pass
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* @return array entry for the query parameters to use
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*/
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struct TALER_PQ_QueryParam
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TALER_PQ_QUERY_PARAM_RSA_PUBLIC_KEY (const struct GNUNET_CRYPTO_rsa_PublicKey *x)
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{
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struct TALER_PQ_QueryParam res =
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{ TALER_PQ_QF_RSA_PUBLIC_KEY, (x), 0 };
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return res;
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}
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/**
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* Generate query parameter for an RSA signature. The
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* database must contain a BLOB type in the respective position.
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*
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* @param x the query parameter to pass
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* @return array entry for the query parameters to use
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*/
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struct TALER_PQ_QueryParam
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TALER_PQ_QUERY_PARAM_RSA_SIGNATURE (const struct GNUNET_CRYPTO_rsa_Signature *x)
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{
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struct TALER_PQ_QueryParam res =
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{ TALER_PQ_QF_RSA_SIGNATURE, (x), 0 };
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return res;
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}
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/**
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* Generate query parameter for an absolute time value.
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* The database must store a 64-bit integer.
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*
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* @param x pointer to the query parameter to pass
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* @return array entry for the query parameters to use
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*/
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struct TALER_PQ_QueryParam
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TALER_PQ_QUERY_PARAM_ABSOLUTE_TIME (struct GNUNET_TIME_Absolute x)
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{
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struct TALER_PQ_QueryParam res =
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{ TALER_PQ_QF_TIME_ABSOLUTE, &(x), sizeof (x) };
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return res;
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}
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/**
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* Variable-size result expected.
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*
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* @param name name of the field in the table
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* @param[out] dst where to store the result, allocated
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* @param[out] sptr where to store the size of @a dst
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* @return array entry for the result specification to use
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*/
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struct TALER_PQ_ResultSpec
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TALER_PQ_RESULT_SPEC_VAR (const char *name,
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void **dst,
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size_t *sptr)
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{
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struct TALER_PQ_ResultSpec res =
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{ TALER_PQ_RF_VARSIZE_BLOB, (void *) (dst), 0, (name), sptr };
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return res;
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}
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/**
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* Currency amount expected.
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*
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* @param name name of the field in the table
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* @param[out] amount where to store the result
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* @return array entry for the result specification to use
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*/
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struct TALER_PQ_ResultSpec
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TALER_PQ_RESULT_SPEC_AMOUNT_NBO (const char *name,
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struct TALER_AmountNBO *amount)
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{
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struct TALER_PQ_ResultSpec res =
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{TALER_PQ_RF_AMOUNT_NBO, (void *) (&amount), sizeof (amount), (name), NULL };
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return res;
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}
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/**
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* Currency amount expected.
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*
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* @param name name of the field in the table
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* @param[out] amount where to store the result
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* @return array entry for the result specification to use
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*/
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struct TALER_PQ_ResultSpec
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TALER_PQ_RESULT_SPEC_AMOUNT (const char *name,
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struct TALER_Amount *amount)
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{
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struct TALER_PQ_ResultSpec res =
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{TALER_PQ_RF_AMOUNT, (void *) (&amount), sizeof (amount), (name), NULL };
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return res;
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}
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/**
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* RSA public key expected.
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*
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* @param name name of the field in the table
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* @param[out] rsa where to store the result
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* @return array entry for the result specification to use
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*/
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struct TALER_PQ_ResultSpec
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TALER_PQ_RESULT_SPEC_RSA_PUBLIC_KEY (const char *name,
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struct GNUNET_CRYPTO_rsa_PublicKey **rsa)
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{
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struct TALER_PQ_ResultSpec res =
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{TALER_PQ_RF_RSA_PUBLIC_KEY, (void *) &(rsa), 0, (name), NULL };
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return res;
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}
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/**
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* RSA signature expected.
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*
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* @param name name of the field in the table
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* @param[out] sig where to store the result;
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* @return array entry for the result specification to use
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*/
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struct TALER_PQ_ResultSpec
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TALER_PQ_RESULT_SPEC_RSA_SIGNATURE (const char *name,
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struct GNUNET_CRYPTO_rsa_Signature **sig)
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{
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struct TALER_PQ_ResultSpec res =
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{TALER_PQ_RF_RSA_SIGNATURE, (void *) &(sig), 0, (name), NULL };
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return res;
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}
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/**
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* Absolute time expected.
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*
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* @param name name of the field in the table
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* @param[out] at where to store the result
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* @return array entry for the result specification to use
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*/
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struct TALER_PQ_ResultSpec
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TALER_PQ_RESULT_SPEC_ABSOLUTE_TIME (const char *name,
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struct GNUNET_TIME_Absolute *at)
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{
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struct TALER_PQ_ResultSpec res =
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{TALER_PQ_RF_TIME_ABSOLUTE, (void *) (&at), sizeof (at), (name), NULL };
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return res;
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}
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/* end of pq_helper.c */
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