Really add the file.

gpgme/trust-item.c

@@ -0,0 +1,169 @@
+/* trust-item.c - Trust item objects.
+   Copyright (C) 2000 Werner Koch (dd9jn)
+   Copyright (C) 2001, 2002, 2003 g10 Code GmbH
+
+   This file is part of GPGME.
+ 
+   GPGME is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+ 
+   GPGME is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or 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 GPGME; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include "util.h"
+#include "ops.h"
+#include "sema.h"
+
+
+/* Protects all reference counters in trust items.  All other accesses
+   to a trust item are either read only or happen before the trust
+   item is available to the user.  */
+DEFINE_STATIC_LOCK (trust_item_ref_lock);
+
+
+/* Create a new trust item.  */
+GpgmeError
+_gpgme_trust_item_new (GpgmeTrustItem *r_item)
+{
+  GpgmeTrustItem item;
+
+  item = calloc (1, sizeof *item);
+  if (!item)
+    return GPGME_Out_Of_Core;
+  item->_refs = 1;
+  item->keyid = item->_keyid;
+  item->_keyid[16] = '\0';
+  item->otrust = item->_otrust;
+  item->_otrust[1] = '\0';
+  item->val = item->_val;
+  item->_val[1] = '\0';
+  *r_item = item;
+  return 0;
+}
+
+
+/* Acquire a reference to ITEM.  */
+void
+gpgme_trust_item_ref (GpgmeTrustItem item)
+{
+  LOCK (trust_item_ref_lock);
+  item->_refs++;
+  UNLOCK (trust_item_ref_lock);
+}
+
+
+/* gpgme_trust_item_unref releases the trust item object. Note that
+   this function may not do an actual release if there are other
+   shallow copies of the object.  You have to call this function for
+   every newly created trust item object as well as for every
+   gpgme_trust_item_ref() done on the trust item object.  */
+void
+gpgme_trust_item_unref (GpgmeTrustItem item)
+{
+  LOCK (trust_item_ref_lock);
+  assert (item->_refs > 0);
+  if (--item->_refs)
+    {
+      UNLOCK (trust_item_ref_lock);
+      return;
+    }
+  UNLOCK (trust_item_ref_lock);
+
+  if (item->name)
+    free (item->name);
+  free (item);
+}
+
+
+/* Compatibility interfaces.  */
+void
+gpgme_trust_item_release (GpgmeTrustItem item)
+{
+  gpgme_trust_item_unref (item);
+}
+
+/* Return the value of the attribute WHAT of ITEM, which has to be
+   representable by a string.  */
+const char *gpgme_trust_item_get_string_attr (GpgmeTrustItem item,
+					      GpgmeAttr what,
+					      const void *reserved, int idx)
+{
+  const char *val = NULL;
+
+  if (!item)
+    return NULL;
+  if (reserved)
+    return NULL;
+  if (idx)
+    return NULL;
+
+  switch (what)
+    {
+    case GPGME_ATTR_KEYID:
+      val = item->keyid;
+      break;
+
+    case GPGME_ATTR_OTRUST:  
+      val = item->otrust;
+      break;
+
+    case GPGME_ATTR_VALIDITY:
+      val = item->val;
+      break;
+
+    case GPGME_ATTR_USERID:  
+      val = item->name;
+      break;
+
+    default:
+      break;
+    }
+  return val;
+}
+
+
+/* Return the value of the attribute WHAT of KEY, which has to be
+   representable by an integer.  IDX specifies a running index if the
+   attribute appears more than once in the key.  */
+int gpgme_trust_item_get_int_attr (GpgmeTrustItem item, GpgmeAttr what,
+				   const void *reserved, int idx)
+{
+  int val = 0;
+
+  if (!item)
+    return 0;
+  if (reserved)
+    return 0;
+  if (idx)
+    return 0;
+
+  switch (what)
+    {
+    case GPGME_ATTR_LEVEL:    
+      val = item->level;
+      break;
+
+    case GPGME_ATTR_TYPE:    
+      val = item->type;
+      break;
+
+    default:
+      break;
+    }
+  return val;
+}