X-Git-Url: http://sru.miketaylor.org.uk/?a=blobdiff_plain;ds=sidebyside;f=rset%2Frsnull.c;h=c66704e00f9645d03cebade3c2a3023fc37cdaee;hb=0245f556af399689056b7810ed0e3de93021ad4a;hp=a2782932fb16b50f9e3a2315f8f63f234580b280;hpb=a322231bcd4bfed2886c571aa91da5f73cad62a9;p=idzebra-moved-to-github.git

diff --git a/rset/rsnull.c b/rset/rsnull.c
index a278293..c66704e 100644
--- a/rset/rsnull.c
+++ b/rset/rsnull.c
@@ -4,7 +4,17 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: rsnull.c,v $
- * Revision 1.2  1995-09-07 13:58:43  adam
+ * Revision 1.5  1995-10-10 14:00:04  adam
+ * Function rset_open changed its wflag parameter to general flags.
+ *
+ * Revision 1.4  1995/10/06  14:38:06  adam
+ * New result set method: r_score.
+ * Local no (sysno) and score is transferred to retrieveCtrl.
+ *
+ * Revision 1.3  1995/09/08  14:52:42  adam
+ * Work on relevance feedback.
+ *
+ * Revision 1.2  1995/09/07  13:58:43  adam
  * New parameter: result-set file descriptor (RSFD) to support multiple
  * positions within the same result-set.
  * Boolean operators: and, or, not implemented.
@@ -19,13 +29,14 @@
 #include <alexutil.h>
 
 static rset_control *r_create(const struct rset_control *sel, void *parms);
-static RSFD r_open (rset_control *ct, int wflag);
+static RSFD r_open (rset_control *ct, int flag);
 static void r_close (RSFD rfd);
 static void r_delete (rset_control *ct);
 static void r_rewind (RSFD rfd);
 static int r_count (rset_control *ct);
 static int r_read (RSFD rfd, void *buf);
 static int r_write (RSFD rfd, const void *buf);
+static int r_score (RSFD rfd, int *score);
 
 static const rset_control control = 
 {
@@ -38,7 +49,8 @@ static const rset_control control =
     r_rewind,
     r_count,
     r_read,
-    r_write
+    r_write,
+    r_score
 };
 
 const rset_control *rset_kind_null = &control;
@@ -47,15 +59,14 @@ static rset_control *r_create(const struct rset_control *sel, void *parms)
 {
     rset_control *newct;
 
-    logf (LOG_DEBUG, "rsnull_create(%s)", sel->desc);
     newct = xmalloc(sizeof(*newct));
     memcpy(newct, sel, sizeof(*sel));
     return newct;
 }
 
-static RSFD r_open (rset_control *ct, int wflag)
+static RSFD r_open (rset_control *ct, int flag)
 {
-    if (wflag)
+    if (flag & RSETF_WRITE)
     {
 	logf (LOG_FATAL, "NULL set type is read-only");
 	return NULL;
@@ -92,3 +103,10 @@ static int r_write (RSFD rfd, const void *buf)
     logf (LOG_FATAL, "NULL set type is read-only");
     return -1;
 }
+
+static int r_score (RSFD rfd, int *score)
+{
+    *score = -1;
+    return -1;
+}
+