Working.

[idzebra-moved-to-github.git] / include / rset.h

diff --git a/include/rset.h b/include/rset.h
index 789ae9d..68acc15 100644 (file)
--- a/include/rset.h
+++ b/include/rset.h
@@ -4,7 +4,10 @@
  * 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
  *
  */
@@ -14,27 +17,40 @@
 
 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 */