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build: fix build on cygwin

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Cygwin has getifaddrs(), but not AF_LINK, leading to:

util/virstats.c: In function 'virNetInterfaceStats':
util/virstats.c:138:41: error: 'AF_LINK' undeclared (first use in this function)
         if (ifa->ifa_addr->sa_family != AF_LINK)
...

* src/util/virstats.c (virNetInterfaceStats): Only use getifaddrs
if AF_LINK is present.

Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eric Blake 2014-08-02 20:47:36 -06:00
parent c0788af07d
commit 478d93ad1f
1 changed files with 3 additions and 3 deletions
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6
src/util/virstats.c
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@ -1,7 +1,7 @@
/*
* virstats.c: Block and network stats.
*
* Copyright (C) 2007-2010 Red Hat, Inc.
* Copyright (C) 2007-2010, 2014 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -29,7 +29,7 @@
#include <unistd.h>
#include <regex.h>
#ifdef HAVE_GETIFADDRS
#if defined(HAVE_GETIFADDRS) && defined(AF_LINK)
# include <net/if.h>
# include <ifaddrs.h>
#endif
@ -119,7 +119,7 @@ virNetInterfaceStats(const char *path,
_("/proc/net/dev: Interface not found"));
return -1;
}
#elif defined(HAVE_GETIFADDRS)
#elif defined(HAVE_GETIFADDRS) && defined(AF_LINK)
int
virNetInterfaceStats(const char *path,
struct _virDomainInterfaceStats *stats)