1997-05-27 07:01:17 +08:00
|
|
|
/* Copyright (C) 1991, 1997 Free Software Foundation, Inc.
|
|
|
|
|
This file is part of the GNU C Library.
|
1995-02-18 09:27:10 +08:00
|
|
|
|
1997-05-27 07:01:17 +08:00
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
|
|
|
modify it under the terms of the GNU Library General Public License as
|
|
|
|
|
published by the Free Software Foundation; either version 2 of the
|
|
|
|
|
License, or (at your option) any later version.
|
1995-02-18 09:27:10 +08:00
|
|
|
|
1997-05-27 07:01:17 +08:00
|
|
|
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
|
|
|
|
|
Library General Public License for more details.
|
1995-02-18 09:27:10 +08:00
|
|
|
|
1997-05-27 07:01:17 +08:00
|
|
|
You should have received a copy of the GNU Library General Public
|
|
|
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
|
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
|
|
Boston, MA 02111-1307, USA. */
|
1995-02-18 09:27:10 +08:00
|
|
|
|
|
|
|
|
#include <errno.h>
|
|
|
|
|
#include <stddef.h>
|
|
|
|
|
#include <sys/types.h>
|
|
|
|
|
|
|
|
|
|
/* This will make it not define major, minor, makedev, and S_IF*. */
|
|
|
|
|
#undef __USE_BSD
|
|
|
|
|
#undef __USE_MISC
|
|
|
|
|
#include <sys/stat.h>
|
|
|
|
|
|
|
|
|
|
#undef stat
|
|
|
|
|
#undef fstat
|
|
|
|
|
|
|
|
|
|
#undef S_IRWXU
|
|
|
|
|
#undef S_IRUSR
|
|
|
|
|
#undef S_IWUSR
|
|
|
|
|
#undef S_IXUSR
|
|
|
|
|
#undef S_IRWXG
|
|
|
|
|
#undef S_IRGRP
|
|
|
|
|
#undef S_IWGRP
|
|
|
|
|
#undef S_IXGRP
|
|
|
|
|
#undef S_IRWXO
|
|
|
|
|
#undef S_IROTH
|
|
|
|
|
#undef S_IWOTH
|
|
|
|
|
#undef S_IXOTH
|
|
|
|
|
#undef S_ISBLK
|
|
|
|
|
#undef S_ISCHR
|
|
|
|
|
#undef S_ISDIR
|
|
|
|
|
#undef S_ISFIFO
|
|
|
|
|
#undef S_ISREG
|
|
|
|
|
#undef S_ISUID
|
|
|
|
|
#undef S_ISGID
|
|
|
|
|
#define stat system_stat
|
|
|
|
|
#define fstat system_fstat
|
|
|
|
|
#define KERNEL /* Try to avoid misc decls. */
|
|
|
|
|
#include "/usr/include/sys/stat.h"
|
|
|
|
|
#undef KERNEL
|
|
|
|
|
#undef stat
|
|
|
|
|
#undef fstat
|
|
|
|
|
|
|
|
|
|
#define member_same(statbufp, sysbufp, member) \
|
|
|
|
|
(offsetof(struct __stat, member) == offsetof(struct system_stat, member) && \
|
|
|
|
|
sizeof((statbufp)->member) == sizeof((sysbufp)->member))
|
|
|
|
|
#define need_stat_mapping(statbufp, sysbufp) \
|
|
|
|
|
(!(member_same(statbufp, sysbufp, st_dev) && \
|
|
|
|
|
member_same(statbufp, sysbufp, st_ino) && \
|
|
|
|
|
member_same(statbufp, sysbufp, st_mode) && \
|
|
|
|
|
member_same(statbufp, sysbufp, st_nlink) && \
|
|
|
|
|
member_same(statbufp, sysbufp, st_uid) && \
|
|
|
|
|
member_same(statbufp, sysbufp, st_gid) && \
|
|
|
|
|
member_same(statbufp, sysbufp, st_rdev) && \
|
|
|
|
|
member_same(statbufp, sysbufp, st_size) && \
|
|
|
|
|
member_same(statbufp, sysbufp, st_atime) && \
|
|
|
|
|
member_same(statbufp, sysbufp, st_mtime) && \
|
|
|
|
|
member_same(statbufp, sysbufp, st_ctime) && \
|
|
|
|
|
member_same(statbufp, sysbufp, st_blksize) && \
|
|
|
|
|
member_same(statbufp, sysbufp, st_blocks)))
|
|
|
|
|
|
|
|
|
|
/* Map a system `struct stat' to our `struct stat'. */
|
|
|
|
|
#ifdef __GNUC__
|
|
|
|
|
inline
|
|
|
|
|
#endif
|
|
|
|
|
static int
|
1997-05-27 07:01:17 +08:00
|
|
|
mapstat (sysbuf, statbuf)
|
|
|
|
|
const struct system_stat *sysbuf;
|
|
|
|
|
struct __stat *buf;
|
1995-02-18 09:27:10 +08:00
|
|
|
{
|
|
|
|
|
if (buf == NULL)
|
|
|
|
|
{
|
|
|
|
|
errno = EINVAL;
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!need_stat_mapping(buf, sysbuf))
|
|
|
|
|
/* Hopefully this will be optimized out. */
|
|
|
|
|
*buf = *(struct __stat *) sysbuf;
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
buf->st_dev = (dev_t) sysbuf->st_dev;
|
|
|
|
|
buf->st_ino = (ino_t) sysbuf->st_ino;
|
|
|
|
|
buf->st_mode = (mode_t) sysbuf->st_mode;
|
|
|
|
|
buf->st_nlink = (nlink_t) sysbuf->st_nlink;
|
|
|
|
|
buf->st_uid = (uid_t) sysbuf->st_uid;
|
|
|
|
|
buf->st_gid = (gid_t) sysbuf->st_gid;
|
|
|
|
|
buf->st_rdev = (dev_t) sysbuf->st_rdev;
|
|
|
|
|
buf->st_size = (size_t) sysbuf->st_size;
|
|
|
|
|
buf->st_atime = (time_t) sysbuf->st_atime;
|
|
|
|
|
buf->st_mtime = (time_t) sysbuf->st_mtime;
|
|
|
|
|
buf->st_ctime = (time_t) sysbuf->st_ctime;
|
|
|
|
|
buf->st_blksize = (size_t) sysbuf->st_blksize;
|
|
|
|
|
buf->st_blocks = (size_t) sysbuf->st_blocks;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
