Added MUTEX functions for NMEM module (used by OID utility).

[yaz-moved-to-github.git] / util / oid.c

diff --git a/util/oid.c b/util/oid.c
index e5567a5..50b2ef2 100644 (file)
--- a/util/oid.c
+++ b/util/oid.c
@@ -1,9 +1,16 @@
 /*
- * Copyright (c) 1995-2000, Index Data
+ * Copyright (c) 1995-2001, Index Data
  * See the file LICENSE for details.
  *
  * $Log: oid.c,v $
- * Revision 1.44  2000-10-02 13:58:50  adam
+ * Revision 1.46  2001-06-26 14:11:27  adam
+ * Added MUTEX functions for NMEM module (used by OID utility).
+ *
+ * Revision 1.45  2001/05/16 07:25:59  adam
+ * Modified oid_ent_to_oid so that if proto is general, then class
+ * is ignored (only oid value is compared).
+ *
+ * Revision 1.44  2000/10/02 13:58:50  adam
  * Added some OID's.
  *
  * Revision 1.43  2000/03/14 09:21:08  ian
@@ -186,11 +193,13 @@ struct oident_list {
 static struct oident_list *oident_table = NULL;
 static int oid_value_dynamic = VAL_DYNAMIC;
 static int oid_init_flag = 0;
+static NMEM_MUTEX oid_mutex = 0;
+static NMEM oid_nmem = 0;
 
 /*
  * OID database
  */
-static oident oids[] =
+static oident standard_oids[] =
 {
     /* General definitions */
     {PROTO_GENERAL, CLASS_TRANSYN, VAL_BER,          {2,1,1,-1},
@@ -587,21 +596,21 @@ void oid_init (void)
        no thread may exit oid_init before all OID's bave been
        transferred - which is why checked is set after oid_transfer... 
     */
-    oid_transfer (oids);
+    nmem_mutex_create (&oid_mutex);
+    nmem_mutex_enter (oid_mutex);
+    if (!oid_nmem)
+       oid_nmem = nmem_create ();
+    nmem_mutex_leave (oid_mutex);
+    oid_transfer (standard_oids);
     oid_init_flag = 1;
 }
 
 void oid_exit (void)
 {
-    while (oident_table)
-    {
-       struct oident_list *this_p = oident_table;
-       oident_table = oident_table->next;
-
-       xfree (this_p->oident.desc);
-       xfree (this_p);
-    }
     oid_init_flag = 0;
+    oid_nmem = 0;
+    nmem_mutex_destroy (&oid_mutex);
+    nmem_destroy (oid_nmem);
 }
 
 static struct oident *oid_getentbyoid_x(int *o)
@@ -639,9 +648,9 @@ int *oid_ent_to_oid(struct oident *ent, int *ret)
     for (ol = oident_table; ol; ol = ol->next)
     {
        struct oident *p = &ol->oident;
-       if ((ent->proto == p->proto || p->proto == PROTO_GENERAL) &&
-           (ent->oclass == p->oclass || p->oclass == CLASS_GENERAL) &&
-           ent->value == p->value)
+        if (ent->value == p->value &&
+            (p->proto == PROTO_GENERAL || (ent->proto == p->proto &&  
+           (ent->oclass == p->oclass || ent->oclass == CLASS_GENERAL))))
        {
            if (p->proto == PROTO_Z3950)
                oid_oidcpy(ret, z3950_prefix);
@@ -674,13 +683,14 @@ struct oident *oid_addent (int *oid, enum oid_proto proto,
 {
     struct oident *oident;
 
-    nmem_critical_enter ();
+    nmem_mutex_enter (oid_mutex);
     oident = oid_getentbyoid_x (oid);
     if (!oident)
     {
        char desc_str[200];
        struct oident_list *oident_list;
-       oident_list = (struct oident_list *) xmalloc (sizeof(*oident_list));
+       oident_list = (struct oident_list *)
+           nmem_malloc (oid_nmem, sizeof(*oident_list));
        oident = &oident_list->oident;
        oident->proto = proto;
        oident->oclass = oclass;
@@ -694,8 +704,7 @@ struct oident *oid_addent (int *oid, enum oid_proto proto,
                sprintf (desc_str+strlen(desc_str), ".%d", oid[i]);
            desc = desc_str;
        }
-       oident->desc = (char *) xmalloc (strlen(desc)+1);
-       strcpy (oident->desc, desc);
+       oident->desc = nmem_strdup (oid_nmem, desc);
        if (value == VAL_DYNAMIC)
            oident->value = (enum oid_value) (++oid_value_dynamic);
        else
@@ -704,7 +713,7 @@ struct oident *oid_addent (int *oid, enum oid_proto proto,
        oident_list->next = oident_table;
        oident_table = oident_list;
     }
-    nmem_critical_leave ();
+    nmem_mutex_leave (oid_mutex);
     return oident;
 }