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Compatibility functions for use when __NETBSD_SYSCALLS is defined.

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John Birrell 1998-03-09 07:07:21 +00:00
parent c995d3ba90
commit e2e5d981b7
2 changed files with 222 additions and 0 deletions
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50
lib/libc/sys/netbsd_getdirentries.c Normal file
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/* $Id$ */
/* From: NetBSD: getdirentries.c,v 1.1 1997/10/10 02:15:56 fvdl Exp */
/*
* Copyright (c) 1997 Frank van der Linden
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Frank van der Linden for
* the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/types.h>
#include <dirent.h>
#include <unistd.h>
int getdents __P((int, char *, size_t));
int
getdirentries(fd, buf, nbytes, basep)
int fd, nbytes;
char *buf;
long *basep;
{
*basep = lseek(fd, 0, SEEK_CUR);
return getdents(fd, buf, nbytes);
}

172
lib/libc/sys/netbsd_stat.c Normal file
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/* $Id$
/* From: NetBSD: stat.c,v 1.2 1997/10/22 00:56:39 fvdl Exp */
/*
* Copyright (c) 1997 Frank van der Linden
* All rights reserved.
* Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project
* by Frank van der Linden
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* These are FreeBSD header files. They do not provide NetBSD structure
* definitions or variable types.
*/
#include <sys/types.h>
#include <sys/stat.h>
/*
* On systems with 8 byte longs and 4 byte time_ts, padding the time_ts
* is required in order to have a consistent ABI. This is because the
* stat structure used to contain timespecs, which had different
* alignment constraints than a time_t and a long alone. The padding
* should be removed the next time the stat structure ABI is changed.
* (This will happen whever we change to 8 byte time_t.)
*/
#if defined(__alpha__) /* XXX XXX XXX */
#define __STATPAD(x) int x;
#else
#define __STATPAD(x) /* nothing */
#endif
/*
* This is the new stat structure that NetBSD added for 1.3.
* The NetBSD syscalls __stat13, __lstat13 and __fstat13 return
* information in this format. The functions in this file convert
* that format to the current FreeBSD stat structure. Yuk.
*/
struct stat13 {
u_int32_t st_dev; /* inode's device */
u_int32_t st_ino; /* inode's number */
u_int32_t st_mode; /* inode protection mode */
u_int32_t st_nlink; /* number of hard links */
u_int32_t st_uid; /* user ID of the file's owner */
u_int32_t st_gid; /* group ID of the file's group */
u_int32_t st_rdev; /* device type */
#ifndef _POSIX_SOURCE
struct timespec st_atimespec;/* time of last access */
struct timespec st_mtimespec;/* time of last data modification */
struct timespec st_ctimespec;/* time of last file status change */
#else
__STATPAD(__pad0)
time_t st_atime; /* time of last access */
__STATPAD(__pad1)
long st_atimensec; /* nsec of last access */
time_t st_mtime; /* time of last data modification */
__STATPAD(__pad2)
long st_mtimensec; /* nsec of last data modification */
time_t st_ctime; /* time of last file status change */
__STATPAD(__pad3)
long st_ctimensec; /* nsec of last file status change */
#endif
u_int64_t st_size; /* file size, in bytes */
int64_t st_blocks; /* blocks allocated for file */
u_int32_t st_blksize; /* optimal blocksize for I/O */
u_int32_t st_flags; /* user defined flags for file */
u_int32_t st_gen; /* file generation number */
int64_t st_qspare[2];
};
int __stat13 __P((const char *, struct stat13 *));
int __fstat13 __P((int, struct stat13 *));
int __lstat13 __P((const char *, struct stat13 *));
/*
* Convert from a NetBSD 1.3 stat to a FreeBSD stat structure.
*/
static void cvtstat __P((struct stat13 *, struct stat *));
static void
cvtstat(st, ost)
struct stat13 *st;
struct stat *ost;
{
ost->st_dev = st->st_dev;
ost->st_ino = st->st_ino;
ost->st_mode = st->st_mode;
if (st->st_nlink >= (1 << 15))
ost->st_nlink = (1 << 15) - 1;
else
ost->st_nlink = st->st_nlink;
ost->st_uid = st->st_uid;
ost->st_gid = st->st_gid;
ost->st_rdev = st->st_rdev;
ost->st_atimespec = st->st_atimespec;
ost->st_mtimespec = st->st_mtimespec;
ost->st_ctimespec = st->st_ctimespec;
ost->st_size = st->st_size;
ost->st_blocks = st->st_blocks;
ost->st_blksize = st->st_blksize;
ost->st_flags = st->st_flags;
ost->st_gen = st->st_gen;
}
int
stat(file, ost)
const char *file;
struct stat *ost;
{
struct stat13 nst;
int ret;
if ((ret = __stat13(file, &nst)) < 0)
return ret;
cvtstat(&nst, ost);
return ret;
}
int
fstat(f, ost)
int f;
struct stat *ost;
{
struct stat13 nst;
int ret;
if ((ret = __fstat13(f, &nst)) < 0)
return ret;
cvtstat(&nst, ost);
return ret;
}
int
lstat(file, ost)
const char *file;
struct stat *ost;
{
struct stat13 nst;
int ret;
if ((ret = __lstat13(file, &nst)) < 0)
return ret;
cvtstat(&nst, ost);
return ret;
}