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/****************************************************************
* *
* Copyright (c) 2016-2017 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include <sys/statfs.h>
#ifdef _AIX
#include <sys/vmount.h> /* needed for MNT_NFS */
#endif
#if defined( __linux__) || defined(__CYGWIN__)
/* Define NFS_SUPER_MAGIC. This should ideally include <linux/nfs_fs.h> for NFS_SUPER_MAGIC.
* However, this header file doesn't seem to be standard and gives lots of
* compilation errors and hence defining again here. The constant value
* seems to be portable across all linuxes (courtesy 'statfs' man pages)
*/
# define NFS_SUPER_MAGIC 0x6969
#endif
#include "is_fstype_nfs.h"
boolean_t is_fstype_nfs(int fd)
{
struct statfs buf;
boolean_t is_nfs;
is_nfs = FALSE;
if (0 != fstatfs(fd, &buf))
return is_nfs;
# if defined(__linux__) || defined(__CYGWIN__)
is_nfs = (NFS_SUPER_MAGIC == buf.f_type);
# elif defined(_AIX)
is_nfs = (MNT_NFS == buf.f_vfstype);
# else
# error UNSUPPORTED PLATFORM
# endif
return is_nfs;
}
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