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/*
* $Id: db_val.h,v 1.2 2006/06/05 15:07:10 bogdan_iancu Exp $
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of openser, a free SIP server.
*
* openser 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 2 of the License, or
* (at your option) any later version
*
* openser 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef DB_VAL_H
#define DB_VAL_H
#include <time.h>
#include "../str.h"
/*
* Accepted value types
*/
typedef enum {
DB_INT, /* 32-bit integer */
DB_DOUBLE, /* double data type */
DB_STRING, /* Zero-terminated string */
DB_STR, /* str structure */
DB_DATETIME, /* Date and time */
DB_BLOB, /* Large binary object */
DB_BITMAP /* Bitmap of flags */
} db_type_t;
/*
* Column value structure
*/
typedef struct {
db_type_t type; /* Type of the value */
int nul; /* Means that the column in database
* has no value
*/
union {
int int_val; /* integer value */
double double_val; /* double value */
time_t time_val; /* unix time value */
const char* string_val; /* NULL terminated string */
str str_val; /* str string value */
str blob_val; /* Blob data */
unsigned int bitmap_val; /* Bitmap data type, 32 flags, should be enough */
} val; /* union of all possible types */
} db_val_t;
/*
* Useful macros for accessing attributes of db_val structure
*/
#define VAL_TYPE(dv) ((dv)->type)
#define VAL_NULL(dv) ((dv)->nul)
#define VAL_INT(dv) ((dv)->val.int_val)
#define VAL_DOUBLE(dv) ((dv)->val.double_val)
#define VAL_TIME(dv) ((dv)->val.time_val)
#define VAL_STRING(dv) ((dv)->val.string_val)
#define VAL_STR(dv) ((dv)->val.str_val)
#define VAL_BLOB(dv) ((dv)->val.blob_val)
#define VAL_BITMAP(dv) ((dv)->val.bitmap_val)
#endif /* DB_VAL_H */
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