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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems, Inc.
*
* This program 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; version 2 of the License.
*
* This program 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <drizzled/global.h>
#include "libdrizzle_priv.h"
#include <libdrizzle/drizzle_data.h>
#include <libdrizzle/drizzle_rows.h>
#include <libdrizzle/drizzle_field.h>
#include <assert.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
/***************************************************************************
Change field rows to field structs
***************************************************************************/
DRIZZLE_FIELD *
unpack_fields(DRIZZLE_DATA *data, unsigned int fields,
bool default_value)
{
DRIZZLE_ROWS *row;
DRIZZLE_FIELD *field,*result;
uint32_t lengths[9]; /* Max of fields */
field= result= (DRIZZLE_FIELD*) malloc((unsigned int) sizeof(*field)*fields);
if (!result)
{
free_rows(data); /* Free old data */
return(0);
}
memset((char*) field, 0, (unsigned int) sizeof(DRIZZLE_FIELD)*fields);
for (row= data->data; row ; row = row->next,field++)
{
unsigned char *pos;
/* fields count may be wrong */
assert((unsigned int) (field - result) < fields);
cli_fetch_lengths(&lengths[0], row->data, default_value ? 8 : 7);
field->catalog= strdup((char*) row->data[0]);
field->db= strdup((char*) row->data[1]);
field->table= strdup((char*) row->data[2]);
field->org_table= strdup((char*) row->data[3]);
field->name= strdup((char*) row->data[4]);
field->org_name= strdup((char*) row->data[5]);
field->catalog_length= lengths[0];
field->db_length= lengths[1];
field->table_length= lengths[2];
field->org_table_length= lengths[3];
field->name_length= lengths[4];
field->org_name_length= lengths[5];
/* Unpack fixed length parts */
pos= (unsigned char*) row->data[6];
field->charsetnr= uint2korr(pos);
field->length= (unsigned int) uint4korr(pos+2);
field->type= (enum enum_field_types) pos[6];
field->flags= uint2korr(pos+7);
field->decimals= (unsigned int) pos[9];
/* Test if field is Internal Number Format */
if (((field->type <= DRIZZLE_TYPE_LONGLONG) &&
(field->type != DRIZZLE_TYPE_TIMESTAMP)) ||
(field->length == 14) ||
(field->length == 8))
field->flags|= NUM_FLAG;
if (default_value && row->data[7])
{
field->def= (char *)malloc(lengths[7]);
memcpy(field->def, row->data[7], lengths[7]);
field->def_length= lengths[7];
}
else
field->def=0;
field->max_length= 0;
}
free_rows(data); /* Free old data */
return(result);
}
void free_rows(DRIZZLE_DATA *cur)
{
if (cur)
{
if (cur->data != NULL)
{
struct st_drizzle_rows * row= cur->data;
uint64_t x;
for (x= 0; x< cur->rows; x++)
{
struct st_drizzle_rows * next_row= row->next;
free(row);
row= next_row;
}
}
free((unsigned char*) cur);
}
}
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