nss-myhostname: various modernizations

[elogind.git] / src / nss-myhostname / ifconf.h

diff --git a/src/nss-myhostname/ifconf.h b/src/nss-myhostname/ifconf.h
index 6b2c83f91eca307f2e49d42752c81f6c96a9a31f..92f03b261a7e87b051c44025f02b46539705a74b 100644 (file)
--- a/src/nss-myhostname/ifconf.h
+++ b/src/nss-myhostname/ifconf.h
@@ -1,74 +1,44 @@
 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
-#ifndef fooifconfhfoo
-#define fooifconfhfoo
-
-#include <sys/socket.h>
+#pragma once
 
 /***
-  This file is part of nss-myhostname.
+  This file is part of systemd.
 
   Copyright 2008-2011 Lennart Poettering
 
-  nss-myhostname 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 2.1 of
-  the License, or (at your option) any later version.
+  systemd 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 2.1 of the License, or
+  (at your option) any later version.
 
-  nss-myhostname is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  systemd 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 nss-myhostname; If not, see
-  <http://www.gnu.org/licenses/>.
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
 #include <inttypes.h>
 #include <sys/types.h>
 #include <assert.h>
+#include <sys/socket.h>
+
+#include "socket-util.h"
 
 struct address {
         unsigned char family;
-        uint8_t address[16];
+        union in_addr_union address;
         unsigned char scope;
         int ifindex;
 };
 
-#define _public_ __attribute__ ((visibility("default")))
-#define _hidden_ __attribute__ ((visibility("hidden")))
-
-int ifconf_acquire_addresses(struct address **_list, unsigned *_n_list) _hidden_;
-
 static inline size_t PROTO_ADDRESS_SIZE(int proto) {
         assert(proto == AF_INET || proto == AF_INET6);
 
         return proto == AF_INET6 ? 16 : 4;
 }
 
-static inline int address_compare(const void *_a, const void *_b) {
-        const struct address *a = _a, *b = _b;
-
-        /* Order lowest scope first, IPv4 before IPv6, lowest interface index first */
-
-        if (a->scope < b->scope)
-                return -1;
-        if (a->scope > b->scope)
-                return 1;
-
-        if (a->family == AF_INET && b->family == AF_INET6)
-                return -1;
-        if (a->family == AF_INET6 && b->family == AF_INET)
-                return 1;
-
-        if (a->ifindex < b->ifindex)
-                return -1;
-        if (a->ifindex > b->ifindex)
-                return 1;
-
-        return 0;
-}
-
-
-#endif
+int ifconf_acquire_addresses(struct address **_list, unsigned *_n_list);