int
ibcs2_sys_fstatfs(struct lwp *l, const struct ibcs2_sys_fstatfs_args *uap, register_t *retval)
{
/* {
syscallarg(int) fd;
syscallarg(struct ibcs2_statfs *) buf;
syscallarg(int) len;
syscallarg(int) fstype;
} */
file_t *fp;
struct mount *mp;
struct statvfs *sp;
int error;
/* fd_getvnode() will use the descriptor for us */
if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0)
return (error);
mp = ((struct vnode *)fp->f_data)->v_mount;
sp = &mp->mnt_stat;
if ((error = VFS_STATVFS(mp, sp)) != 0)
goto out;
sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK;
error = cvt_statfs(sp, (void *)SCARG(uap, buf), SCARG(uap, len));
out:
fd_putfile(SCARG(uap, fd));
return (error);
}
int
ibcs2_sys_statfs(struct lwp *l, const struct ibcs2_sys_statfs_args *uap, register_t *retval)
{
/* {
syscallarg(const char *) path;
syscallarg(struct ibcs2_statfs *) buf;
syscallarg(int) len;
syscallarg(int) fstype;
} */
struct mount *mp;
struct statvfs *sp;
int error;
struct vnode *vp;
error = namei_simple_user(SCARG(uap, path),
NSM_FOLLOW_TRYEMULROOT, &vp);
if (error != 0)
return (error);
mp = vp->v_mount;
sp = &mp->mnt_stat;
vrele(vp);
if ((error = VFS_STATVFS(mp, sp)) != 0)
return (error);
sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK;
return cvt_statfs(sp, (void *)SCARG(uap, buf), SCARG(uap, len));
}
int
nix_bsd_fstatfs(int fd, struct nix_statfs *buf, nix_env_t *env)
{
#if defined(HAVE_FSTATFS)
struct statfs nsfs;
#elif defined(HAVE_FSTATVFS)
struct statvfs nsfs;
#endif
int rc;
int rfd;
if (buf == NULL) {
nix_env_set_errno(env, EFAULT);
return (-1);
}
if ((rfd = nix_fd_get(fd)) < 0) {
nix_env_set_errno (env, EBADF);
return (-1);
}
#if defined(HAVE_FSTATFS)
rc = fstatfs(rfd, &nsfs);
#elif defined(HAVE_FSTATVFS)
rc = fstatvfs(rfd, &nsfs);
#else
errno = ENOSYS;
rc = -1;
#endif
if (rc != 0) {
nix_env_set_errno (env, errno);
return (-1);
}
__nix_try
{
#if defined(HAVE_FSTATFS) || defined(HAVE_FSTATVFS)
cvt_statfs(&nsfs, buf);
#endif
#if defined(HAVE_GETEXTMNTENT)
rc = setmntpaths_fd(rfd, buf, env);
#else
rc = 0;
#endif
}
__nix_catch_any
{
nix_env_set_errno(env, EFAULT);
rc = -1;
}
__nix_end_try
return (rc);
}
int
nix_bsd_getfsstat(struct nix_statfs *buf, size_t bufsiz, int flags,
nix_env_t *env)
{
#ifdef HAVE_GETFSSTAT
struct statfs *nfs;
int n, maxcount;
int nflags = 0;
int count = 0;
#ifdef MNT_NOWAIT
if (flags == NIX_MNT_NOWAIT)
nflags = MNT_NOWAIT;
#endif
if (buf == NULL) {
count = getfsstat(NULL, 0, nflags);
if (count < 0) {
nix_env_set_errno(env, errno);
return (-1);
}
return (count);
}
maxcount = bufsiz / sizeof(struct nix_statfs);
if (maxcount == 0) {
nix_env_set_errno(env, EINVAL);
return (-1);
}
nfs = xec_mem_alloc_ntype(struct statfs, maxcount, 0);
if (nfs == NULL) {
nix_env_set_errno(env, ENOMEM);
return (-1);
}
if ((count = getfsstat(nfs, maxcount * sizeof(struct statfs),
nflags)) < 0) {
xec_mem_free(nfs);
nix_env_set_errno(env, errno);
return (-1);
}
for (n = 0; n < count; n++)
cvt_statfs(&nfs[n], &buf[n]);
xec_mem_free(nfs);
return (count);
#else
return (nix_nosys(env));
#endif
}
int
nix_bsd_statfs(char const *path, struct nix_statfs *buf, nix_env_t *env)
{
#if defined(HAVE_FSTATFS)
struct statfs nsfs;
#elif defined(HAVE_FSTATVFS)
struct statvfs nsfs;
#endif
int rc;
if (path == NULL || buf == NULL) {
nix_env_set_errno(env, EFAULT);
return (-1);
}
#if defined(HAVE_STATFS)
rc = statfs(path, &nsfs);
#elif defined(HAVE_STATVFS)
rc = statvfs(path, &nsfs);
#else
errno = ENOSYS;
rc = -1;
#endif
if (rc != 0) {
nix_env_set_errno(env, errno);
return (-1);
}
__nix_try
{
#if defined(HAVE_FSTATFS) || defined(HAVE_FSTATVFS)
cvt_statfs(&nsfs, buf);
#endif
#if defined(HAVE_GETEXTMNTENT)
rc = setmntpaths_path(path, buf, env);
#else
rc = 0;
#endif
}
__nix_catch_any
{
nix_env_set_errno(env, EFAULT);
rc = -1;
}
__nix_end_try
return (rc);
}
