/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1998-2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/isa_defs.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/statvfs.h>
#include <sys/sysmacros.h>
#include "libproc.h"
#ifdef _LP64
static void
statvfs_32_to_n(statvfs32_t *src, statvfs_t *dest)
{
dest->f_bsize = src->f_bsize;
dest->f_frsize = src->f_frsize;
dest->f_blocks = src->f_blocks;
dest->f_bfree = src->f_bfree;
dest->f_bavail = src->f_bavail;
dest->f_files = src->f_files;
dest->f_ffree = src->f_ffree;
dest->f_favail = src->f_favail;
dest->f_fsid = src->f_fsid;
(void) memcpy(dest->f_basetype, src->f_basetype,
sizeof (dest->f_basetype));
dest->f_flag = src->f_flag;
dest->f_namemax = src->f_namemax;
(void) memcpy(dest->f_fstr, src->f_fstr,
sizeof (dest->f_fstr));
}
#endif /* _LP64 */
/*
* statvfs() system call -- executed by subject process
*/
int
pr_statvfs(struct ps_prochandle *Pr, const char *path, statvfs_t *buf)
{
sysret_t rval; /* return value from statvfs() */
argdes_t argd[2]; /* arg descriptors for statvfs() */
argdes_t *adp = &argd[0]; /* first argument */
int error;
#ifdef _LP64
statvfs32_t statvfs32;
#endif /* _LP64 */
if (Pr == NULL) /* no subject process */
return (statvfs(path, buf));
adp->arg_value = 0;
adp->arg_object = (void *)path;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
adp->arg_size = strlen(path)+1;
adp++; /* move to buffer argument */
adp->arg_value = 0;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_OUTPUT;
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
adp->arg_object = &statvfs32;
adp->arg_size = sizeof (statvfs32);
} else {
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
}
#else /* _LP64 */
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
#endif /* _LP64 */
error = Psyscall(Pr, &rval, SYS_statvfs, 2, &argd[0]);
if (error) {
errno = (error > 0)? error : ENOSYS;
return (-1);
}
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
statvfs_32_to_n(&statvfs32, buf);
#endif /* _LP64 */
return (0);
}
/*
* fstatvfs() system call -- executed by subject process
*/
int
pr_fstatvfs(struct ps_prochandle *Pr, int fd, statvfs_t *buf)
{
sysret_t rval; /* return value from fstatvfs() */
argdes_t argd[2]; /* arg descriptors for fstatvfs() */
argdes_t *adp = &argd[0]; /* first argument */
int error;
#ifdef _LP64
statvfs32_t statvfs32;
#endif /* _LP64 */
if (Pr == NULL) /* no subject process */
return (fstatvfs(fd, buf));
adp->arg_value = fd;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* move to buffer argument */
adp->arg_value = 0;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_OUTPUT;
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
adp->arg_object = &statvfs32;
adp->arg_size = sizeof (statvfs32);
} else {
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
}
#else /* _LP64 */
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
#endif /* _LP64 */
error = Psyscall(Pr, &rval, SYS_fstatvfs, 2, &argd[0]);
if (error) {
errno = (error > 0)? error : ENOSYS;
return (-1);
}
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
statvfs_32_to_n(&statvfs32, buf);
#endif /* _LP64 */
return (0);
}