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Diffstat (limited to 'libmailutils/sockaddr/unlink.c')
-rw-r--r--libmailutils/sockaddr/unlink.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/libmailutils/sockaddr/unlink.c b/libmailutils/sockaddr/unlink.c
new file mode 100644
index 000000000..65808f568
--- /dev/null
+++ b/libmailutils/sockaddr/unlink.c
@@ -0,0 +1,45 @@
+/* GNU Mailutils -- a suite of utilities for electronic mail
+ Copyright (C) 2011 Free Software Foundation, Inc.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 3 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General
+ Public License along with this library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <mailutils/sockaddr.h>
+
+struct mu_sockaddr *
+mu_sockaddr_unlink (struct mu_sockaddr *addr)
+{
+ struct mu_sockaddr *p;
+
+ if (!addr)
+ return NULL;
+
+ p = addr->prev;
+ if (p)
+ p->next = addr->next;
+
+ p = addr->next;
+ if (p)
+ p->prev = addr->prev;
+
+ addr->prev = addr->next = NULL;
+
+ return p;
+}
+

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