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authorUlrich Drepper <drepper@redhat.com>2003-06-10 08:58:05 +0000
committerUlrich Drepper <drepper@redhat.com>2003-06-10 08:58:05 +0000
commit1dc869d13c77297661bf7ba4bde4c879818149da (patch)
tree286fc8327a3a4fdc742d90b8ca8bd278f3616b8d /sysdeps/generic
parent06120d793a3ae31f8f510f220c8a0a8e23b6a177 (diff)
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Update.
* inet/Makefile (aux): Add check_fd. * include/ifaddrs.h: Add prototype for __check_fd. * sysdeps/generic/check_fd.c: New file. * sysdeps/unix/sysv/linux/check_fd.c: New file. * sysdeps/unix/sysv/linux/ifaddrs.h (__no_netlink_support): Renamed from no_netlink_support. Export. * sysdeps/posix/getaddrinfo.c (getaddrinfo): Don't call getifaddrs, call __check_pf. * sysdeps/generic/ifaddrs.h: Add libc_hidden_def.
Diffstat (limited to 'sysdeps/generic')
-rw-r--r--sysdeps/generic/check_pf.c50
-rw-r--r--sysdeps/generic/ifaddrs.c4
2 files changed, 53 insertions, 1 deletions
diff --git a/sysdeps/generic/check_pf.c b/sysdeps/generic/check_pf.c
new file mode 100644
index 0000000000..5d98c98aff
--- /dev/null
+++ b/sysdeps/generic/check_pf.c
@@ -0,0 +1,50 @@
+/* Determine protocol families for which interfaces exist. Generic version.
+ Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C 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 2.1 of the License, or (at your option) any later version.
+
+ The GNU C 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 the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <ifaddrs.h>
+#include <netdb.h>
+
+
+void
+attribute_hidden
+__check_pf (bool *seen_ipv4, bool *seen_ipv6)
+{
+ /* Get the interface list via getifaddrs. */
+ struct ifaddrs *ifa = NULL;
+ if (getifaddrs (&ifa) != 0)
+ {
+ /* We cannot determine what interfaces are available. Be
+ pessimistic. */
+ *seen_ipv4 = true;
+ *seen_ipv6 = true;
+ return;
+ }
+
+ *seen_ipv4 = false;
+ *seen_ipv6 = false;
+
+ struct ifaddrs *runp;
+ for (runp = ifa; runp != NULL; runp = runp->ifa_next)
+ if (runp->ifa_addr->sa_family == PF_INET)
+ *seen_ipv4 = true;
+ else if (runp->ifa_addr->sa_family == PF_INET6)
+ *seen_ipv6 = true;
+
+ (void) freeifaddrs (ifa);
+}
diff --git a/sysdeps/generic/ifaddrs.c b/sysdeps/generic/ifaddrs.c
index 7b29aa111c..330aae3b39 100644
--- a/sysdeps/generic/ifaddrs.c
+++ b/sysdeps/generic/ifaddrs.c
@@ -1,5 +1,5 @@
/* getifaddrs -- get names and addresses of all network interfaces
- Copyright (C) 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -30,6 +30,7 @@ getifaddrs (struct ifaddrs **ifap)
__set_errno (ENOSYS);
return -1;
}
+libc_hidden_def (getifaddrs)
stub_warning (getifaddrs)
void
@@ -41,4 +42,5 @@ freeifaddrs (struct ifaddrs *ifa)
/* Can't be called properly if getifaddrs never succeeded. */
abort ();
}
+libc_hidden_def (freeifaddrs)
stub_warning (freeifaddrs)