From: Werner Koch <wk@gnupg.org>
Date: Wed, 21 Apr 2004 18:14:12 +0000 (+0000)
Subject: (gpgme_key_unref): Allow passing NULL like free does.
X-Git-Tag: gpgme-1.2.0@1385~444
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=23da302bf3467798a096fd2ff4dd5aa184e08fc9;p=gpgme.git

(gpgme_key_unref): Allow passing NULL like free does.
The rule of least surprise.
---

diff --git a/trunk/gpgme/ChangeLog b/trunk/gpgme/ChangeLog
index 1abc055..3192ad0 100644
--- a/trunk/gpgme/ChangeLog
+++ b/trunk/gpgme/ChangeLog
@@ -1,3 +1,8 @@
+2004-04-21  Werner Koch  <wk@gnupg.org>
+
+	* key.c (gpgme_key_unref): Allow passing NULL like free does.
+	The rule of least surprise.
+
 2004-04-15  Werner Koch  <wk@gnupg.org>
 
 	* verify.c (prepare_new_sig, _gpgme_verify_status_handler): Remove
diff --git a/trunk/gpgme/key.c b/trunk/gpgme/key.c
index 05beb11..4634c26 100644
--- a/trunk/gpgme/key.c
+++ b/trunk/gpgme/key.c
@@ -304,6 +304,9 @@ gpgme_key_unref (gpgme_key_t key)
   gpgme_user_id_t uid;
   gpgme_subkey_t subkey;
 
+  if (!key)
+    return;
+
   LOCK (key_ref_lock);
   assert (key->_refs > 0);
   if (--key->_refs)