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/* Convert between the kernel's `struct stat' format, and libc's.
Copyright (C) 1991,1995,1996,1997,1998,2000 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 <string.h>
static inline int
xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
{
switch (vers)
{
case _STAT_VER_KERNEL:
/* Nothing to do. The struct is in the form the kernel expects.
We should have short-circuted before we got here, but for
completeness... */
*(struct kernel_stat *) ubuf = *kbuf;
break;
case _STAT_VER_LINUX:
{
struct stat *buf = ubuf;
/* Convert to current kernel version of `struct stat'. */
buf->st_dev = kbuf->st_dev;
buf->st_pad1[0] = 0; buf->st_pad1[1] = 0; buf->st_pad1[2] = 0;
buf->st_ino = kbuf->st_ino;
buf->st_mode = kbuf->st_mode;
buf->st_nlink = kbuf->st_nlink;
buf->st_uid = kbuf->st_uid;
buf->st_gid = kbuf->st_gid;
buf->st_rdev = kbuf->st_rdev;
buf->st_pad2[0] = 0; buf->st_pad2[1] = 0;
buf->st_pad3 = 0;
buf->st_size = kbuf->st_size;
buf->st_blksize = kbuf->st_blksize;
buf->st_blocks = kbuf->st_blocks;
buf->st_atime = kbuf->st_atime; buf->__reserved0 = 0;
buf->st_mtime = kbuf->st_mtime; buf->__reserved1 = 0;
buf->st_ctime = kbuf->st_ctime; buf->__reserved2 = 0;
buf->st_pad5[0] = 0; buf->st_pad5[1] = 0;
buf->st_pad5[2] = 0; buf->st_pad5[3] = 0;
buf->st_pad5[4] = 0; buf->st_pad5[5] = 0;
buf->st_pad5[6] = 0; buf->st_pad5[7] = 0;
}
break;
default:
__set_errno (EINVAL);
return -1;
}
return 0;
}
static inline int
xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
{
#ifdef XSTAT_IS_XSTAT64
return xstat_conv (vers, kbuf, ubuf);
#else
switch (vers)
{
case _STAT_VER_LINUX:
{
struct stat64 *buf = ubuf;
buf->st_dev = kbuf->st_dev;
buf->st_pad1[0] = 0; buf->st_pad1[1] = 0; buf->st_pad1[2] = 0;
buf->st_ino = kbuf->st_ino;
buf->st_mode = kbuf->st_mode;
buf->st_nlink = kbuf->st_nlink;
buf->st_uid = kbuf->st_uid;
buf->st_gid = kbuf->st_gid;
buf->st_rdev = kbuf->st_rdev;
buf->st_pad2[0] = 0; buf->st_pad2[1] = 0; buf->st_pad2[2] = 0;
buf->st_pad3 = 0;
buf->st_size = kbuf->st_size;
buf->st_blksize = kbuf->st_blksize;
buf->st_blocks = kbuf->st_blocks;
buf->st_atime = kbuf->st_atime; buf->__reserved0 = 0;
buf->st_mtime = kbuf->st_mtime; buf->__reserved1 = 0;
buf->st_ctime = kbuf->st_ctime; buf->__reserved2 = 0;
buf->st_pad4[0] = 0; buf->st_pad4[1] = 0;
buf->st_pad4[2] = 0; buf->st_pad4[3] = 0;
buf->st_pad4[4] = 0; buf->st_pad4[5] = 0;
buf->st_pad4[6] = 0; buf->st_pad4[7] = 0;
}
break;
/* If struct stat64 is different from struct stat then
_STAT_VER_KERNEL does not make sense. */
case _STAT_VER_KERNEL:
default:
__set_errno (EINVAL);
return -1;
}
return 0;
#endif
}
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