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add stat12 compatibility calls and rename ostat to stat43

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This commit is contained in:
christos 1997-10-16 23:50:36 +00:00
parent 0585de8731
commit 537eb26ac2
2 changed files with 153 additions and 10 deletions
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145
sys/compat/common/vfs_syscalls_12.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: vfs_syscalls_12.c,v 1.1 1997/10/10 01:47:02 fvdl Exp $ */
/* $NetBSD: vfs_syscalls_12.c,v 1.2 1997/10/16 23:50:36 christos Exp $ */
/*
* Copyright (c) 1989, 1993
@ -47,6 +47,7 @@
#include <sys/kernel.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/socketvar.h>
#include <sys/vnode.h>
#include <sys/mount.h>
#include <sys/proc.h>
@ -56,6 +57,37 @@
#include <sys/syscallargs.h>
static void cvtstat __P((struct stat *, struct stat12 *));
/*
* Convert from an old to a new stat structure.
*/
static void
cvtstat(st, ost)
struct stat *st;
struct stat12 *ost;
{
ost->st_dev = st->st_dev;
ost->st_ino = st->st_ino;
ost->st_mode = st->st_mode;
ost->st_nlink = st->st_nlink;
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_size = st->st_size;
ost->st_atime = st->st_atime;
ost->st_mtime = st->st_mtime;
ost->st_ctime = st->st_ctime;
ost->st_blksize = st->st_blksize;
ost->st_blocks = st->st_blocks;
ost->st_flags = st->st_flags;
ost->st_gen = st->st_gen;
}
/*
* Read a block of directory entries in a file system independent format.
*/
@ -89,3 +121,114 @@ compat_12_sys_getdirentries(p, v, retval)
*retval = done;
return error;
}
/*
* Get file status; this version follows links.
*/
/* ARGSUSED */
int
compat_12_sys_stat(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
register struct compat_12_sys_stat_args /* {
syscallarg(char *) path;
syscallarg(struct stat12 *) ub;
} */ *uap = v;
struct stat sb;
struct stat12 osb;
int error;
struct nameidata nd;
NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
SCARG(uap, path), p);
if ((error = namei(&nd)) != 0)
return (error);
error = vn_stat(nd.ni_vp, &sb, p);
vput(nd.ni_vp);
if (error)
return (error);
cvtstat(&sb, &osb);
error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
return (error);
}
/*
* Get file status; this version does not follow links.
*/
/* ARGSUSED */
int
compat_12_sys_lstat(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
register struct compat_12_sys_lstat_args /* {
syscallarg(char *) path;
syscallarg(struct stat12 *) ub;
} */ *uap = v;
struct stat sb;
struct stat12 osb;
int error;
struct nameidata nd;
NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF, UIO_USERSPACE,
SCARG(uap, path), p);
if ((error = namei(&nd)) != 0)
return (error);
error = vn_stat(nd.ni_vp, &sb, p);
vput(nd.ni_vp);
if (error)
return (error);
cvtstat(&sb, &osb);
error = copyout(&osb, SCARG(uap, ub), sizeof (osb));
return (error);
}
/*
* Return status information about a file descriptor.
*/
/* ARGSUSED */
int
compat_12_sys_fstat(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
register struct compat_12_sys_fstat_args /* {
syscallarg(int) fd;
syscallarg(struct stat12 *) sb;
} */ *uap = v;
int fd = SCARG(uap, fd);
register struct filedesc *fdp = p->p_fd;
register struct file *fp;
struct stat ub;
struct stat12 oub;
int error;
if ((u_int)fd >= fdp->fd_nfiles ||
(fp = fdp->fd_ofiles[fd]) == NULL)
return (EBADF);
switch (fp->f_type) {
case DTYPE_VNODE:
error = vn_stat((struct vnode *)fp->f_data, &ub, p);
break;
case DTYPE_SOCKET:
error = soo_stat((struct socket *)fp->f_data, &ub);
break;
default:
panic("compat_12_sys_fstat");
/*NOTREACHED*/
}
cvtstat(&ub, &oub);
if (error == 0)
error = copyout((caddr_t)&oub, (caddr_t)SCARG(uap, sb),
sizeof (oub));
return (error);
}

18
sys/compat/common/vfs_syscalls_43.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: vfs_syscalls_43.c,v 1.7 1997/10/10 13:03:32 fvdl Exp $ */
/* $NetBSD: vfs_syscalls_43.c,v 1.8 1997/10/16 23:50:39 christos Exp $ */
/*
* Copyright (c) 1989, 1993
@ -62,7 +62,7 @@
#include <sys/mount.h>
#include <sys/syscallargs.h>
static void cvtstat __P((struct stat *, struct ostat *));
static void cvtstat __P((struct stat *, struct stat43 *));
/*
* Convert from an old to a new stat structure.
@ -70,7 +70,7 @@ static void cvtstat __P((struct stat *, struct ostat *));
static void
cvtstat(st, ost)
struct stat *st;
struct ostat *ost;
struct stat43 *ost;
{
ost->st_dev = st->st_dev;
@ -105,10 +105,10 @@ compat_43_sys_stat(p, v, retval)
{
register struct compat_43_sys_stat_args /* {
syscallarg(char *) path;
syscallarg(struct ostat *) ub;
syscallarg(struct stat43 *) ub;
} */ *uap = v;
struct stat sb;
struct ostat osb;
struct stat43 osb;
int error;
struct nameidata nd;
@ -138,10 +138,10 @@ compat_43_sys_lstat(p, v, retval)
{
register struct compat_43_sys_lstat_args /* {
syscallarg(char *) path;
syscallarg(struct ostat *) ub;
syscallarg(struct stat43 *) ub;
} */ *uap = v;
struct stat sb;
struct ostat osb;
struct stat43 osb;
int error;
struct nameidata nd;
@ -171,13 +171,13 @@ compat_43_sys_fstat(p, v, retval)
{
register struct compat_43_sys_fstat_args /* {
syscallarg(int) fd;
syscallarg(struct ostat *) sb;
syscallarg(struct stat43 *) sb;
} */ *uap = v;
int fd = SCARG(uap, fd);
register struct filedesc *fdp = p->p_fd;
register struct file *fp;
struct stat ub;
struct ostat oub;
struct stat43 oub;
int error;
if ((u_int)fd >= fdp->fd_nfiles ||