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[PATCH] Coordinate in6_pktinfo and ip6_mtuinfo for kernel and glibc
- From: Cong Wang <xiyou dot wangcong at gmail dot com>
- To: libc-alpha at sourceware dot org
- Cc: Cong Wang <xiyou dot wangcong at gmail dot com>, Carlos O'Donell <carlos at redhat dot com>
- Date: Tue, 6 Jan 2015 16:13:19 -0800
- Subject: [PATCH] Coordinate in6_pktinfo and ip6_mtuinfo for kernel and glibc
- Authentication-results: sourceware.org; auth=none
Similarly to what we did for in6_addr, we need a macro
to guard in6_pktinfo and ip6_mtuinfo too.
Cc: Carlos O'Donell <carlos@redhat.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
---
inet/netinet/in.h | 3 ++-
sysdeps/unix/sysv/linux/bits/in.h | 8 ++++----
2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/inet/netinet/in.h b/inet/netinet/in.h
index bf3c8b1..f541c58 100644
--- a/inet/netinet/in.h
+++ b/inet/netinet/in.h
@@ -530,6 +530,7 @@ extern int bindresvport6 (int __sockfd, struct sockaddr_in6 *__sock_in)
#ifdef __USE_GNU
struct cmsghdr; /* Forward declaration. */
+#ifndef __USE_KERNEL_IPV6_DEFS
/* IPv6 packet information. */
struct in6_pktinfo
{
@@ -543,7 +544,7 @@ struct ip6_mtuinfo
struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */
uint32_t ip6m_mtu; /* path MTU in host byte order */
};
-
+#endif /* !__USE_KERNEL_IPV6_DEFS */
/* Obsolete hop-by-hop and Destination Options Processing (RFC 2292). */
extern int inet6_option_space (int __nbytes)
diff --git a/sysdeps/unix/sysv/linux/bits/in.h b/sysdeps/unix/sysv/linux/bits/in.h
index b80a27f..b1d2cf6 100644
--- a/sysdeps/unix/sysv/linux/bits/in.h
+++ b/sysdeps/unix/sysv/linux/bits/in.h
@@ -23,10 +23,10 @@
/* If the application has already included linux/in6.h from a linux-based
kernel then we will not define the IPv6 IPPROTO_* defines, in6_addr (nor the
- defines), sockaddr_in6, or ipv6_mreq. The ABI used by the linux-kernel and
- glibc match exactly. Neither the linux kernel nor glibc should break this
- ABI without coordination. */
-#ifdef _UAPI_LINUX_IN6_H
+ defines), sockaddr_in6, or ipv6_mreq. Same for in6_ptkinfo or ip6_mtuinfo
+ in linux/ipv6.h. The ABI used by the linux-kernel and glibc match exactly.
+ Neither the linux kernel nor glibc should break this ABI without coordination. */
+#if defined _UAPI_LINUX_IN6_H || defined _UAPI_IPV6_H
/* This is not quite the same API since the kernel always defines s6_addr16 and
s6_addr32. This is not a violation of POSIX since POSIX says "at least the
following member" and that holds true. */
--
1.8.3.1