* Sebastian Hammer, Adam Dickmeiss
*
* $Log: rset.h,v $
- * Revision 1.1 1994-11-03 14:13:22 quinn
+ * Revision 1.2 1994-11-04 13:21:21 quinn
+ * Working.
+ *
+ * Revision 1.1 1994/11/03 14:13:22 quinn
* Result set manipulation
*
*/
typedef struct rset_control
{
+ char *desc; /* text description of set type (for debugging) */
char *buf; /* state data stored by subsystem */
- int (*f_open)(rset_control *ct, int wflag);
- void (*f_close)(rset_control *ct *data);
- void (*f_delete)(rset_control *ct);
- void (*f_rewind)(rset_control *ct);
- int (*f_count)(rset_control *ct);
- int (*f_read)(...);
- int (*f_write)(...);
+ struct rset_control *(*f_create)(const struct rset_control *sel, void *parms);
+ int (*f_open)(struct rset_control *ct, int wflag);
+ void (*f_close)(struct rset_control *ct);
+ void (*f_delete)(struct rset_control *ct);
+ void (*f_rewind)(struct rset_control *ct);
+ int (*f_count)(struct rset_control *ct);
+ int (*f_read)(struct rset_control *ct, void *buf);
+ int (*f_write)(struct rset_control *ct, const void *buf);
} rset_control;
typedef struct rset
{
+ int is_open;
rset_control *control;
-} rset *RSET;
+} rset, *RSET;
+
+RSET rset_create(const rset_control *sel, void *parms); /* parameters? */
+
+/* int rset_open(RSET rs, int wflag); */
+#define rset_open(rs, wflag) ((*(rs)->control->f_open)((rs)->control, (wflag)))
+
+/* void rset_close(RSET rs); */
+#define rset_close(rs) ((*(rs)->control->f_close)((rs)->control))
-RSET rset_create(); /* parameters? */
-int rset_open(RSET rs, int wflag);
-void rset_close(RSET rs);
void rset_delete(RSET rs);
-void rset_rewind(RSET rs);
-int rset_count(RSET rs); /* more parameters? */
+
+/* void rset_rewind(RSET rs); */
+#define rset_rewind(rs, wflag) ((*(rs)->control->f_rewind)((rs)->control))
+
+/* int rset_count(RSET rs); */
+#define rset_count(rs, wflag) ((*(rs)->control->f_count)((rs)->control))
+
int rset_read(RSET rs, void *buf); /* change parameters */
int rset_write(RSET rs, void *buf); /* change parameters */