cc.h: Reorder the declarations.

[u/mdw/catacomb] / key-attr.c

diff --git a/key-attr.c b/key-attr.c
index 27f4490..b6a3616 100644 (file)
--- a/key-attr.c
+++ b/key-attr.c
@@ -7,7 +7,7 @@
  * (c) 1999 Straylight/Edgeware
  */
 
-/*----- Licensing notice --------------------------------------------------* 
+/*----- Licensing notice --------------------------------------------------*
  *
  * This file is part of Catacomb.
  *
@@ -15,12 +15,12 @@
  * it under the terms of the GNU Library General Public License as
  * published by the Free Software Foundation; either version 2 of the
  * License, or (at your option) any later version.
- * 
+ *
  * Catacomb 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 Library General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU Library General Public
  * License along with Catacomb; if not, write to the Free
  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
@@ -117,8 +117,8 @@ int key_nextattr(key_attriter *i, const char **n, const char **v)
   key_attr *a = sym_next(&i->i);
   if (!a)
     return (0);
-  *n = SYM_NAME(a);
-  *v = a->p;
+  if (n) *n = SYM_NAME(a);
+  if (v) *v = a->p;
   return (1);
 }
 
@@ -179,6 +179,28 @@ int key_putattr(key_file *f, key *k, const char *n, const char *v)
   return (0);
 }
 
+/* --- @key_setkeydata@ --- *
+ *
+ * Arguments:  @key_file *kf@ = pointer to key file
+ *             @key *k@ = pointer to key
+ *             @key_data *kd@ = new key data
+ *
+ * Returns:    Zero on success, or a @KERR_@ error code on failure.
+ *
+ * Use:                Sets the key data for a key.
+ */
+
+int key_setkeydata(key_file *kf, key *k, key_data *kd)
+{
+  if (!(kf->f & KF_WRITE))
+    return (KERR_READONLY);
+  key_incref(kd);
+  key_drop(k->k);
+  k->k = kd;
+  kf->f |= KF_MODIFIED;
+  return (0);
+}
+
 /* --- @key_setcomment@ --- *
  *
  * Arguments:  @key_file *f@ = pointer to key file block