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pub use self::H5S_class_t::*;
pub use self::H5S_seloper_t::*;
pub use self::H5S_sel_type::*;

use libc::{c_int, c_uint, c_void, size_t};

use h5::{herr_t, hsize_t, hssize_t, htri_t};
use h5i::hid_t;

pub const H5S_ALL: hid_t = 0;

pub const H5S_UNLIMITED: hsize_t = (-1 as hssize_t) as hsize_t;

pub const H5S_MAX_RANK: c_uint = 32;

#[repr(C)]
#[derive(Copy, Clone, PartialEq, PartialOrd, Debug)]
pub enum H5S_class_t {
    H5S_NO_CLASS = -1,
    H5S_SCALAR   = 0,
    H5S_SIMPLE   = 1,
    H5S_NULL     = 2,
}

#[repr(C)]
#[derive(Copy, Clone, PartialEq, PartialOrd, Debug)]
pub enum H5S_seloper_t {
    H5S_SELECT_NOOP    = -1,
    H5S_SELECT_SET     = 0,
    H5S_SELECT_OR      = 1,
    H5S_SELECT_AND     = 2,
    H5S_SELECT_XOR     = 3,
    H5S_SELECT_NOTB    = 4,
    H5S_SELECT_NOTA    = 5,
    H5S_SELECT_APPEND  = 6,
    H5S_SELECT_PREPEND = 7,
    H5S_SELECT_INVALID = 8,
}

#[repr(C)]
#[derive(Copy, Clone, PartialEq, PartialOrd, Debug)]
pub enum H5S_sel_type {
    H5S_SEL_ERROR      = -1,
    H5S_SEL_NONE       = 0,
    H5S_SEL_POINTS     = 1,
    H5S_SEL_HYPERSLABS = 2,
    H5S_SEL_ALL        = 3,
    H5S_SEL_N          = 4,
}

extern {
    pub fn H5Screate(_type: H5S_class_t) -> hid_t;
    pub fn H5Screate_simple(rank: c_int, dims: *const hsize_t, maxdims: *const hsize_t) -> hid_t;
    pub fn H5Sset_extent_simple(space_id: hid_t, rank: c_int, dims: *const hsize_t, max: *const
                                hsize_t) -> herr_t;
    pub fn H5Scopy(space_id: hid_t) -> hid_t;
    pub fn H5Sclose(space_id: hid_t) -> herr_t;
    pub fn H5Sencode(obj_id: hid_t, buf: *mut c_void, nalloc: *mut size_t) -> herr_t;
    pub fn H5Sdecode(buf: *const c_void) -> hid_t;
    pub fn H5Sget_simple_extent_npoints(space_id: hid_t) -> hssize_t;
    pub fn H5Sget_simple_extent_ndims(space_id: hid_t) -> c_int;
    pub fn H5Sget_simple_extent_dims(space_id: hid_t, dims: *mut hsize_t, maxdims: *mut hsize_t) ->
                                     c_int;
    pub fn H5Sis_simple(space_id: hid_t) -> htri_t;
    pub fn H5Sget_select_npoints(spaceid: hid_t) -> hssize_t;
    pub fn H5Sselect_hyperslab(space_id: hid_t, op: H5S_seloper_t, start: *const hsize_t, _stride:
                               *const hsize_t, count: *const hsize_t, _block: *const hsize_t) ->
                               herr_t;
    pub fn H5Sselect_elements(space_id: hid_t, op: H5S_seloper_t, num_elem: size_t, coord: *const
                              hsize_t) -> herr_t;
    pub fn H5Sget_simple_extent_type(space_id: hid_t) -> H5S_class_t;
    pub fn H5Sset_extent_none(space_id: hid_t) -> herr_t;
    pub fn H5Sextent_copy(dst_id: hid_t, src_id: hid_t) -> herr_t;
    pub fn H5Sextent_equal(sid1: hid_t, sid2: hid_t) -> htri_t;
    pub fn H5Sselect_all(spaceid: hid_t) -> herr_t;
    pub fn H5Sselect_none(spaceid: hid_t) -> herr_t;
    pub fn H5Soffset_simple(space_id: hid_t, offset: *const hssize_t) -> herr_t;
    pub fn H5Sselect_valid(spaceid: hid_t) -> htri_t;
    pub fn H5Sget_select_hyper_nblocks(spaceid: hid_t) -> hssize_t;
    pub fn H5Sget_select_elem_npoints(spaceid: hid_t) -> hssize_t;
    pub fn H5Sget_select_hyper_blocklist(spaceid: hid_t, startblock: hsize_t, numblocks: hsize_t,
                                         buf: *mut hsize_t) -> herr_t;
    pub fn H5Sget_select_elem_pointlist(spaceid: hid_t, startpoint: hsize_t, numpoints: hsize_t,
                                        buf: *mut hsize_t) -> herr_t;
    pub fn H5Sget_select_bounds(spaceid: hid_t, start: *mut hsize_t, end: *mut hsize_t) -> herr_t;
    pub fn H5Sget_select_type(spaceid: hid_t) -> H5S_sel_type;
}