2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.4 1995-09-04 09:09:52 adam
8 * String arg in dict lookup is const.
11 * Revision 1.3 1994/11/22 13:15:27 quinn
14 * Revision 1.2 1994/11/04 13:21:21 quinn
17 * Revision 1.1 1994/11/03 14:13:22 quinn
18 * Result set manipulation
25 typedef struct rset_control
27 char *desc; /* text description of set type (for debugging) */
28 char *buf; /* state data stored by subsystem */
29 struct rset_control *(*f_create)(const struct rset_control *sel, void *parms);
30 int (*f_open)(struct rset_control *ct, int wflag);
31 void (*f_close)(struct rset_control *ct);
32 void (*f_delete)(struct rset_control *ct);
33 void (*f_rewind)(struct rset_control *ct);
34 int (*f_count)(struct rset_control *ct);
35 int (*f_read)(struct rset_control *ct, void *buf);
36 int (*f_write)(struct rset_control *ct, const void *buf);
42 rset_control *control;
45 RSET rset_create(const rset_control *sel, void *parms); /* parameters? */
47 /* int rset_open(RSET rs, int wflag); */
48 #define rset_open(rs, wflag) ((*(rs)->control->f_open)((rs)->control, (wflag)))
50 /* void rset_close(RSET rs); */
51 #define rset_close(rs) ((*(rs)->control->f_close)((rs)->control))
53 void rset_delete(RSET rs);
55 /* void rset_rewind(RSET rs); */
56 #define rset_rewind(rs, wflag) ((*(rs)->control->f_rewind)((rs)->control))
58 /* int rset_count(RSET rs); */
59 #define rset_count(rs, wflag) ((*(rs)->control->f_count)((rs)->control))
61 /* int rset_read(RSET rs, void *buf); */
62 #define rset_read(rs, buf) ((*(rs)->control->f_read)((rs)->control, (buf)))
64 /* int rset_write(RSET rs, const void *buf); */
65 #define rset_write(rs, buf) ((*(rs)->control->f_write)((rs)->control, (buf)))