X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=rset%2Frsnull.c;h=8c5522f85d741239a7c614559bb2c1b69718d0de;hb=2cd05dfd682c368fd3bd73912144344d2954325f;hp=69e1d00de3faddd8a4ea904e83f2c69ef0c7d283;hpb=9949fe7912e81ebf77d345a0581dc31a439bc2b8;p=idzebra-moved-to-github.git

diff --git a/rset/rsnull.c b/rset/rsnull.c
index 69e1d00..8c5522f 100644
--- a/rset/rsnull.c
+++ b/rset/rsnull.c
@@ -1,6 +1,6 @@
-/* $Id: rsnull.c,v 1.16 2004-01-16 15:27:35 heikki Exp $
-   Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
-   Index Data Aps
+/* $Id: rsnull.c,v 1.36 2005-06-02 11:59:54 adam Exp $
+   Copyright (C) 1995-2005
+   Index Data ApS
 
 This file is part of the Zebra server.
 
@@ -20,92 +20,78 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 02111-1307, USA.
 */
 
-
-
 #include <stdio.h>
-#include <rsnull.h>
-#include <zebrautl.h>
+#include <assert.h>
+#include <idzebra/util.h>
+#include <rset.h>
 
-static void *r_create(RSET ct, const struct rset_control *sel, void *parms);
-static RSFD r_open (RSET ct, int flag);
-static void r_close (RSFD rfd);
-static void r_delete (RSET ct);
-static void r_rewind (RSFD rfd);
-static int r_count (RSET ct);
-static int r_read (RSFD rfd, void *buf, int *term_index);
-static int r_write (RSFD rfd, const void *buf);
+static RSFD r_open(RSET ct, int flag);
+static void r_close(RSFD rfd);
+static void r_delete(RSET ct);
+static void r_pos(RSFD rfd, double *current, double *total);
+static int r_read(RSFD rfd, void *buf, TERMID *term);
+static int r_write(RSFD rfd, const void *buf);
 
 static const struct rset_control control = 
 {
     "null",
-    r_create,
+    r_delete,
+    rset_get_one_term,
     r_open,
     r_close,
-    r_delete,
-    r_rewind,
-    rset_default_forward,
-    r_count,
+    0, /* no forward */
+    r_pos,
     r_read,
     r_write,
 };
 
-const struct rset_control *rset_kind_null = &control;
-
-static void *r_create(RSET ct, const struct rset_control *sel, void *parms)
+RSET rsnull_create(NMEM nmem, struct rset_key_control *kcontrol,
+		   TERMID term)
 {
-    rset_null_parms *null_parms = (rset_null_parms *) parms;
-
-    ct->no_rset_terms = 1;
-    ct->rset_terms = (RSET_TERM *) xmalloc (sizeof(*ct->rset_terms));
-    if (parms && null_parms->rset_term)
-	ct->rset_terms[0] = null_parms->rset_term;
-    else
-	ct->rset_terms[0] = rset_term_create ("term", -1, "rank-0",
-                                              0);
-    ct->rset_terms[0]->nn = 0;
-
-    return NULL;
+    RSET rnew = rset_create_base(&control, nmem, kcontrol, 0, term, 0, 0);
+    rnew->priv = 0;
+    return rnew;
 }
 
-static RSFD r_open (RSET ct, int flag)
+static RSFD r_open(RSET ct, int flag)
 {
+    RSFD rfd;
     if (flag & RSETF_WRITE)
     {
-	logf (LOG_FATAL, "NULL set type is read-only");
-	return NULL;
+        yaz_log (YLOG_FATAL, "NULL set type is read-only");
+        return NULL;
     }
-    return "";
-}
-
-static void r_close (RSFD rfd)
-{
+    rfd = rfd_create_base(ct);
+    rfd->priv = 0;
+    return rfd;
 }
 
-static void r_delete (RSET ct)
+static void r_close(RSFD rfd)
 {
-    rset_term_destroy (ct->rset_terms[0]);
-    xfree (ct->rset_terms);
 }
 
-static void r_rewind (RSFD rfd)
+static void r_delete(RSET ct)
 {
-    logf (LOG_DEBUG, "rsnull_rewind");
 }
 
-static int r_count (RSET ct)
+static void r_pos(RSFD rfd, double *current, double *total)
 {
-    return 0;
+    assert(rfd);
+    assert(current);
+    assert(total);
+    *total = 0;
+    *current = 0;
 }
 
-static int r_read (RSFD rfd, void *buf, int *term_index)
+static int r_read(RSFD rfd, void *buf, TERMID *term)
 {
-    *term_index = -1;
+    if (term)
+        *term = 0;
     return 0;
 }
 
-static int r_write (RSFD rfd, const void *buf)
+static int r_write(RSFD rfd, const void *buf)
 {
-    logf (LOG_FATAL, "NULL set type is read-only");
+    yaz_log(YLOG_FATAL, "NULL set type is read-only");
     return -1;
 }
-