diff options
Diffstat (limited to 'libmailutils/sockaddr/unlink.c')
-rw-r--r-- | libmailutils/sockaddr/unlink.c | 45 |
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; +} + |