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/*
This file is part of GNUnet
Copyright (C) 2018 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
*/
/**
* @file sq/sq_prepare.c
* @brief helper functions for executing SQL statements
* @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet_sq_lib.h"
/**
* Create a `struct GNUNET_SQ_PrepareStatement`
*
* @param sql actual SQL statement
* @param pstmt where to store the handle
* @return initialized struct
*/
struct GNUNET_SQ_PrepareStatement
GNUNET_SQ_make_prepare (const char *sql,
sqlite3_stmt **pstmt)
{
struct GNUNET_SQ_PrepareStatement ps = {
.sql = sql,
.pstmt = pstmt
};
return ps;
}
/**
* Prepare all statements given in the (NULL,NULL)-terminated
* array at @a ps
*
* @param dbh database to use
* @param ps array of statements to prepare
* @return #GNUNET_OK on success
*/
int
GNUNET_SQ_prepare (sqlite3 *dbh,
const struct GNUNET_SQ_PrepareStatement *ps)
{
for (unsigned int i=0;NULL != ps[i].sql;i++)
{
const char *epos = NULL;
int ret;
if (SQLITE_OK !=
(ret = sqlite3_prepare_v2 (dbh,
ps[i].sql,
strlen (ps[i].sql),
ps[i].pstmt,
&epos)))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Failed to prepare SQL `%s': error %d at %s\n",
ps[i].sql,
ret,
epos);
return GNUNET_SYSERR;
}
}
return GNUNET_OK;
}
/* end of sq_prepare.c */
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