Null set implemented.

[idzebra-moved-to-github.git] / rset / rsisam.c

diff --git a/rset/rsisam.c b/rset/rsisam.c
index 56a432c..c194bf7 100644 (file)
--- a/rset/rsisam.c
+++ b/rset/rsisam.c
@@ -4,24 +4,38 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: rsisam.c,v $
- * Revision 1.1  1994-11-04 13:21:29  quinn
- * Working.
+ * Revision 1.7  1995-09-06 10:35:44  adam
+ * Null set implemented.
+ *
+ * Revision 1.6  1995/09/05  11:43:24  adam
+ * Complete version of temporary sets. Not tested yet though.
+ *
+ * Revision 1.5  1995/09/04  12:33:56  adam
+ * Various cleanup. YAZ util used instead.
+ *
+ * Revision 1.4  1995/09/04  09:10:55  adam
+ * Minor changes.
+ *
+ * Revision 1.3  1994/11/22  13:15:37  quinn
+ * Simple
+ *
+ * Revision 1.2  1994/11/04  14:53:12  quinn
+ * Work
  *
  */
 
-/* TODO: Memory management */
-
+#include <stdio.h>
 #include <rsisam.h>
-#include <util.h>
+#include <alexutil.h>
 
-rset_control *r_create(const struct rset_control *sel, void *parms);
-static int r_open(rset_control *ct, int wflag);
-static void r_close(rset_control *ct);
-static void r_delete(rset_control *ct);
-static void r_rewind(rset_control *ct);
-static int r_count(rset_control *ct);
-static int r_read();
-static int r_write();
+static rset_control *r_create(const struct rset_control *sel, void *parms);
+static int r_open (rset_control *ct, int wflag);
+static void r_close (rset_control *ct);
+static void r_delete (rset_control *ct);
+static void r_rewind (rset_control *ct);
+static int r_count (rset_control *ct);
+static int r_read (rset_control *ct, void *buf);
+static int r_write (rset_control *ct, const void *buf);
 
 static const rset_control control = 
 {
@@ -39,12 +53,14 @@ static const rset_control control =
 
 const rset_control *rset_kind_isam = &control;
 
-rset_control *r_create(const struct rset_control *sel, void *parms)
+static rset_control *r_create(const struct rset_control *sel, void *parms)
 {
     rset_control *newct;
     rset_isam_parms *pt = parms;
 
+    logf (LOG_DEBUG, "rsisam_create(%s)", sel->desc);
     newct = xmalloc(sizeof(*newct));
+    memcpy(newct, sel, sizeof(*sel));
     if (!(newct->buf = (char*) is_position(pt->is, pt->pos)))
        return 0;
     return newct;
@@ -52,6 +68,12 @@ rset_control *r_create(const struct rset_control *sel, void *parms)
 
 static int r_open(rset_control *ct, int wflag)
 {
+    logf (LOG_DEBUG, "risam_open");
+    if (wflag)
+    {
+       logf (LOG_FATAL, "ISAM set type is read-only");
+       return -1;
+    }
     r_rewind(ct);
     return 0;
 }
@@ -63,25 +85,29 @@ static void r_close(rset_control *ct)
 
 static void r_delete(rset_control *ct)
 {
+    logf (LOG_DEBUG, "rsisam_delete");
     is_pt_free((ISPT) ct->buf);
     xfree(ct);
 }
 
 static void r_rewind(rset_control *ct)
 {
+    logf (LOG_DEBUG, "rsisam_rewind");
     is_rewind((ISPT) ct->buf);
 }
 
-static int r_count(rset_control *ct)
-{return 0;}
+static int r_count (rset_control *ct)
+{
+    return 0;
+}
 
-static int r_read(rset_control *ct, void *buf)
+static int r_read (rset_control *ct, void *buf)
 {
     return is_readkey((ISPT) ct->buf, buf);
 }
 
-static int r_write(rset_control *ct, const void *buf)
+static int r_write (rset_control *ct, const void *buf)
 {
-    log(LOG_FATAL, "ISAM set type is read-only");
+    logf (LOG_FATAL, "ISAM set type is read-only");
     return -1;
 }