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//
// Copyright (c) 2019 RepliXio Ltd. All rights reserved.
// Use is subject to license terms.
//

#![doc(html_root_url = "https://docs.rs/pmdk-sys/0.0.3")]

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


mod base;

pub mod obj;

pub use base::PMEMoid;

#[allow(dead_code)]
#[link(name = "pmem")]
extern "C" {
    // Most commonly used functions:

    pub fn pmem_is_pmem(addr: *const c_void, len: size_t) -> c_int;
    pub fn pmem_persist(addr: *const c_void, len: size_t);
    pub fn pmem_msync(addr: *const c_void, len: size_t) -> c_int;
    pub fn pmem_map_file(path: *const c_char,
                         len: size_t,
                         flags: c_int,
                         mode: mode_t,
                         mapped_lenp: *mut size_t,
                         is_pmemp: *mut c_int) -> *mut c_void;
    pub fn pmem_unmap(addr: *mut c_void, len: size_t) -> c_int;

    // Partial flushing operations:

    pub fn pmem_flush(addr: *const c_void, len: size_t);
    pub fn pmem_drain();
    pub fn pmem_has_hw_drain() -> c_int;

    // Copying to persistent memory:

    pub fn pmem_memmove_persist(pmemdest: *mut c_void, src: *const c_void, len: size_t) -> *mut c_void;
    pub fn pmem_memcpy_persist(pmemdest: *mut c_void, src: *const c_void, len: size_t) -> *mut c_void;
    pub fn pmem_memset_persist(pmemdest: *mut c_void, c: c_int, len: size_t) -> *mut c_void;
    pub fn pmem_memmove_nodrain(pmemdest: *mut c_void, src: *const c_void, len: size_t) -> *mut c_void;
    pub fn pmem_memcpy_nodrain(pmemdest: *mut c_void, src: *const c_void, len: size_t) -> *mut c_void;
    pub fn pmem_memset_nodrain(pmemdest: *mut c_void, c: c_int, len: size_t) -> *mut c_void;

    // Library API versioning:

    pub fn pmem_check_version(major_required: c_uint, minor_required: c_uint) -> *const c_char;

    // Error handling:

    pub fn pmem_errormsg() -> *const c_char;
}


#[cfg(test)]
mod tests {
    #[test]
    fn it_works() {
        assert_eq!(2 + 2, 4);
    }
}