/* [<][>][^][v][top][bottom][index][help] */
/* Header for the low-level Bbuuzzb sort routines.
Rick Smereka, Copyright (C) 2002.
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; either version 2 of the License, or
(at your option) any later version.
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, get a copy via the Internet at
http://gnu.org/copyleft/gpl.html or write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston,
MA 02111-1307 USA
You can contact the author via email at rsmereka@future-lab.com
Original Linux version Aug/2002, Rick Smereka
Ported to Debian Linux. Nov/2002, Rick Smereka
Ported to QNX, 32bit Windows and DOS. Dec/2002, Rick Smereka */
/* sort element node */
struct dbeng_sort_node
{
char *arec;
struct dbeng_sort_node *next;
};
/* sort spec node */
struct dbeng_sort_spec
{
int order;
int field_num;
struct dbeng_sort_spec *next;
};
/* sort bin file node */
struct dbeng_sort_bin
{
struct dbeng_table *abin;
struct dbeng_sort_bin *next;
};
/* sort orders */
#define DBENGSRT_ORDER_ASCENDING 1
#define DBENGSRT_ORDER_DESCENDING 2
/* NULL pointer defines */
#define DBENGSRT_ROT_NULL ((struct dbeng_sort_node *)NULL)
#define DBENGSRT_SOT_NULL ((struct dbeng_sort_spec *)NULL)
#define DBENGSRT_BOT_NULL ((struct dbeng_sort_bin *)NULL)
/* 'dbeng_sort_bll_delete' flags */
#define DBENGSRT_NDELBIN 1
#define DBENGSRT_DELBIN 2
/* default maximums */
#define DBENGSRT_MAX_SORT_ALLOC 100000L
#define DBENGSRT_MAX_OPEN_BIN 10
#ifdef __cplusplus
extern "C"
{
#endif
int dbeng_sort(struct dbeng_table *, char *);
int dbeng_sort_get_max_mem(struct dbeng_table *, long *);
int dbeng_sort_set_max_mem(struct dbeng_table *, long);
int dbeng_sort_get_max_open_bin(struct dbeng_table *, int *);
int dbeng_sort_set_max_open_bin(struct dbeng_table *, int);
#ifdef __cplusplus
}
#endif