X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=util%2Fres.c;h=7b304544d23292bfe99ce79af59f18e845821d1d;hb=afbef0c68dc14c3c81b7f83dfd5f296bfcaefa59;hp=4fbc33ca722356e38b1ef079589fa527d7bcb64c;hpb=510c122aceb2b7a3ec12a6be3de610f0ff470ae4;p=idzebra-moved-to-github.git

diff --git a/util/res.c b/util/res.c
index 4fbc33c..7b30454 100644
--- a/util/res.c
+++ b/util/res.c
@@ -1,5 +1,5 @@
-/* $Id: res.c,v 1.48 2006-03-26 14:05:19 adam Exp $
-   Copyright (C) 1995-2005
+/* $Id: res.c,v 1.52 2006-12-05 09:24:31 adam Exp $
+   Copyright (C) 1995-2006
    Index Data ApS
 
 This file is part of the Zebra server.
@@ -15,9 +15,9 @@ FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 for more details.
 
 You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra.  If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
 */
 
 #include <stdio.h>
@@ -43,11 +43,19 @@ struct res_entry {
 };
 
 struct res_struct {
+    int ref_count;
     struct res_entry *first, *last;
     Res def_res;
     Res over_res;
 };
 
+static Res res_incref(Res r)
+{
+    if (r)
+        r->ref_count++;
+    return r;
+}
+
 static struct res_entry *add_entry(Res r)
 {
     struct res_entry *resp;
@@ -226,13 +234,16 @@ ZEBRA_RES res_read_file(Res r, const char *fname)
     fclose(fr);
     return ZEBRA_OK;
 }
+
 Res res_open(Res def_res, Res over_res)
 {
     Res r;
     r = (Res) xmalloc(sizeof(*r));
+
+    r->ref_count = 1;
     r->first = r->last = NULL;
-    r->def_res = def_res;
-    r->over_res = over_res;
+    r->def_res = res_incref(def_res);
+    r->over_res = res_incref(over_res);
     return r;
 }
 
@@ -253,11 +264,13 @@ void res_clear(Res r)
 
 void res_close(Res r)
 {
-    if (!r)
-        return;
-    res_clear(r);
-
-    xfree(r);
+    if (r && --(r->ref_count) == 0)
+    {
+        res_clear(r);
+        res_close(r->def_res);
+        res_close(r->over_res);
+        xfree(r);
+    }
 }
 
 const char *res_get_prefix(Res r, const char *name, const char *prefix,
@@ -307,7 +320,8 @@ const char *res_get_def(Res r, const char *name, const char *def)
 
     if (!(t = res_get(r, name)))
     {
-    	yaz_log(YLOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
+	if (def)
+    	    yaz_log(YLOG_DEBUG, "Using default resource %s:%s", name, def);
     	return def;
     }
     else
@@ -461,10 +475,10 @@ void res_close_over (Res r)
 void res_add (Res r, const char *name, const char *value)
 {
     struct res_entry *re;
-    assert (r);
-    if ((name) && (value)) 
-	yaz_log (YLOG_RES, "res_add res=%p, name=%s, value=%s", r, name, value);
-    
+    assert(r);
+    assert(name);
+    assert(value);
+    yaz_log (YLOG_RES, "res_add res=%p, name=%s, value=%s", r, name, value);
     re = add_entry (r);
     re->name = xstrdup (name);
     re->value = xstrdup_env (value);
@@ -540,3 +554,11 @@ void res_dump (Res r, int level)
 	res_dump (r->over_res, level + 1);
     }
 }
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+