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[uClibc] enable support for getifaddrs() - required by lldpd
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13834 3c298f89-4303-0410-b956-a3cf2f4a3e73
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jow
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162
toolchain/uClibc/patches/170-enable-getifaddrs.patch
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162
toolchain/uClibc/patches/170-enable-getifaddrs.patch
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@ -0,0 +1,162 @@
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Index: uclibc/libc/inet/ifaddrs.c
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===================================================================
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--- uclibc.orig/libc/inet/ifaddrs.c
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+++ uclibc/libc/inet/ifaddrs.c
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@@ -38,6 +38,7 @@
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#include <unistd.h>
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#include "netlinkaccess.h"
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+#include "ifaddrs.h"
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libc_hidden_proto(socket)
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libc_hidden_proto(close)
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@@ -57,7 +58,6 @@ libc_hidden_proto(abort)
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#if __ASSUME_NETLINK_SUPPORT
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-#if 0 /* unused code */
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/* struct to hold the data for one ifaddrs entry, so we can allocate
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everything at once. */
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struct ifaddrs_storage
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@@ -74,8 +74,6 @@ struct ifaddrs_storage
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} addr, netmask, broadaddr;
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char name[IF_NAMESIZE + 1];
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};
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-#endif /* unused code */
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-
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void
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__netlink_free_handle (struct netlink_handle *h)
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@@ -323,8 +321,6 @@ __netlink_open (struct netlink_handle *h
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return 0;
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}
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-
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-#if 0 /* unused code */
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/* We know the number of RTM_NEWLINK entries, so we reserve the first
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# of entries for this type. All RTM_NEWADDR entries have an index
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pointer to the RTM_NEWLINK entry. To find the entry, create
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@@ -562,7 +558,7 @@ getifaddrs (struct ifaddrs **ifap)
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if ((rta_payload + 1) <= sizeof (ifas[ifa_index].name))
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{
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ifas[ifa_index].ifa.ifa_name = ifas[ifa_index].name;
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- *(char *) __mempcpy (ifas[ifa_index].name, rta_data,
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+ *(char *) mempcpy (ifas[ifa_index].name, rta_data,
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rta_payload) = '\0';
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}
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break;
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@@ -761,7 +757,7 @@ getifaddrs (struct ifaddrs **ifap)
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if (rta_payload + 1 <= sizeof (ifas[ifa_index].name))
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{
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ifas[ifa_index].ifa.ifa_name = ifas[ifa_index].name;
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- *(char *) __mempcpy (ifas[ifa_index].name, rta_data,
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+ *(char *) mempcpy (ifas[ifa_index].name, rta_data,
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rta_payload) = '\0';
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}
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else
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@@ -872,6 +868,4 @@ freeifaddrs (struct ifaddrs *ifa)
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}
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#endif
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-#endif /* unused code */
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-
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#endif /* __ASSUME_NETLINK_SUPPORT */
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Index: uclibc/libc/inet/netlinkaccess.h
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===================================================================
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--- uclibc.orig/libc/inet/netlinkaccess.h
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+++ uclibc/libc/inet/netlinkaccess.h
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@@ -61,14 +61,11 @@ struct netlink_handle
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};
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-#if 0 /* unused code */
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#if __ASSUME_NETLINK_SUPPORT == 0
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extern int __no_netlink_support attribute_hidden;
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#else
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# define __no_netlink_support 0
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#endif
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-#endif /* unused code */
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-
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extern int __netlink_open (struct netlink_handle *h) attribute_hidden;
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extern void __netlink_close (struct netlink_handle *h) attribute_hidden;
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Index: uclibc/include/ifaddrs.h
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===================================================================
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--- /dev/null
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+++ uclibc/include/ifaddrs.h
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@@ -0,0 +1,74 @@
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+/* ifaddrs.h -- declarations for getting network interface addresses
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+ Copyright (C) 2002 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, write to the Free
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+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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+ 02111-1307 USA. */
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+
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+#ifndef _IFADDRS_H
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+#define _IFADDRS_H 1
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+
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+#include <features.h>
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+#include <sys/socket.h>
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+
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+__BEGIN_DECLS
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+
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+/* The `getifaddrs' function generates a linked list of these structures.
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+ Each element of the list describes one network interface. */
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+struct ifaddrs
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+{
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+ struct ifaddrs *ifa_next; /* Pointer to the next structure. */
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+
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+ char *ifa_name; /* Name of this network interface. */
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+ unsigned int ifa_flags; /* Flags as from SIOCGIFFLAGS ioctl. */
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+
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+ struct sockaddr *ifa_addr; /* Network address of this interface. */
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+ struct sockaddr *ifa_netmask; /* Netmask of this interface. */
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+ union
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+ {
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+ /* At most one of the following two is valid. If the IFF_BROADCAST
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+ bit is set in `ifa_flags', then `ifa_broadaddr' is valid. If the
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+ IFF_POINTOPOINT bit is set, then `ifa_dstaddr' is valid.
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+ It is never the case that both these bits are set at once. */
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+ struct sockaddr *ifu_broadaddr; /* Broadcast address of this interface. */
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+ struct sockaddr *ifu_dstaddr; /* Point-to-point destination address. */
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+ } ifa_ifu;
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+ /* These very same macros are defined by <net/if.h> for `struct ifaddr'.
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+ So if they are defined already, the existing definitions will be fine. */
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+# ifndef ifa_broadaddr
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+# define ifa_broadaddr ifa_ifu.ifu_broadaddr
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+# endif
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+# ifndef ifa_dstaddr
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+# define ifa_dstaddr ifa_ifu.ifu_dstaddr
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+# endif
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+
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+ void *ifa_data; /* Address-specific data (may be unused). */
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+};
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+
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+
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+/* Create a linked list of `struct ifaddrs' structures, one for each
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+ network interface on the host machine. If successful, store the
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+ list in *IFAP and return 0. On errors, return -1 and set `errno'.
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+
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+ The storage returned in *IFAP is allocated dynamically and can
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+ only be properly freed by passing it to `freeifaddrs'. */
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+extern int getifaddrs (struct ifaddrs **__ifap) __THROW;
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+
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+/* Reclaim the storage allocated by a previous `getifaddrs' call. */
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+extern void freeifaddrs (struct ifaddrs *__ifa) __THROW;
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+
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+__END_DECLS
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+
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+#endif /* ifaddrs.h */
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