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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
113 lines
3.5 KiB
C
113 lines
3.5 KiB
C
/* Copyright (C) 1991, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <stddef.h>
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#include <sys/types.h>
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/* This will make it not define major, minor, makedev, and S_IF*. */
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#undef __USE_BSD
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#undef __USE_MISC
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#include <sys/stat.h>
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#undef stat
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#undef fstat
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#undef S_IRWXU
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#undef S_IRUSR
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#undef S_IWUSR
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#undef S_IXUSR
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#undef S_IRWXG
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#undef S_IRGRP
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#undef S_IWGRP
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#undef S_IXGRP
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#undef S_IRWXO
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#undef S_IROTH
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#undef S_IWOTH
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#undef S_IXOTH
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#undef S_ISBLK
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#undef S_ISCHR
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#undef S_ISDIR
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#undef S_ISFIFO
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#undef S_ISREG
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#undef S_ISUID
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#undef S_ISGID
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#define stat system_stat
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#define fstat system_fstat
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#define KERNEL /* Try to avoid misc decls. */
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#include "/usr/include/sys/stat.h"
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#undef KERNEL
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#undef stat
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#undef fstat
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#define member_same(statbufp, sysbufp, member) \
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(offsetof(struct __stat, member) == offsetof(struct system_stat, member) && \
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sizeof((statbufp)->member) == sizeof((sysbufp)->member))
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#define need_stat_mapping(statbufp, sysbufp) \
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(!(member_same(statbufp, sysbufp, st_dev) && \
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member_same(statbufp, sysbufp, st_ino) && \
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member_same(statbufp, sysbufp, st_mode) && \
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member_same(statbufp, sysbufp, st_nlink) && \
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member_same(statbufp, sysbufp, st_uid) && \
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member_same(statbufp, sysbufp, st_gid) && \
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member_same(statbufp, sysbufp, st_rdev) && \
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member_same(statbufp, sysbufp, st_size) && \
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member_same(statbufp, sysbufp, st_atime) && \
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member_same(statbufp, sysbufp, st_mtime) && \
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member_same(statbufp, sysbufp, st_ctime) && \
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member_same(statbufp, sysbufp, st_blksize) && \
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member_same(statbufp, sysbufp, st_blocks)))
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/* Map a system `struct stat' to our `struct stat'. */
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#ifdef __GNUC__
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inline
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#endif
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static int
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mapstat (sysbuf, statbuf)
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const struct system_stat *sysbuf;
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struct __stat *buf;
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{
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if (buf == NULL)
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{
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errno = EINVAL;
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return -1;
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}
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if (!need_stat_mapping(buf, sysbuf))
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/* Hopefully this will be optimized out. */
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*buf = *(struct __stat *) sysbuf;
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else
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{
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buf->st_dev = (dev_t) sysbuf->st_dev;
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buf->st_ino = (ino_t) sysbuf->st_ino;
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buf->st_mode = (mode_t) sysbuf->st_mode;
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buf->st_nlink = (nlink_t) sysbuf->st_nlink;
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buf->st_uid = (uid_t) sysbuf->st_uid;
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buf->st_gid = (gid_t) sysbuf->st_gid;
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buf->st_rdev = (dev_t) sysbuf->st_rdev;
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buf->st_size = (size_t) sysbuf->st_size;
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buf->st_atime = (time_t) sysbuf->st_atime;
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buf->st_mtime = (time_t) sysbuf->st_mtime;
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buf->st_ctime = (time_t) sysbuf->st_ctime;
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buf->st_blksize = (size_t) sysbuf->st_blksize;
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buf->st_blocks = (size_t) sysbuf->st_blocks;
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}
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return 0;
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}
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