vendor/libloading/src/test_helpers.rs

   1 //! This is a separate file containing helpers for tests of this library. It is built into a
   2 //! dynamic library by the build.rs script.
   3 #![crate_type="cdylib"]
   4
   5 #[no_mangle]
   6 pub static mut TEST_STATIC_U32: u32 = 0;
   7
   8 #[no_mangle]
   9 pub static mut TEST_STATIC_PTR: *mut () = 0 as *mut _;
  10
  11 #[no_mangle]
  12 pub extern "C" fn test_identity_u32(x: u32) -> u32 {
  13     x
  14 }
  15
  16 #[repr(C)]
  17 pub struct S {
  18     a: u64,
  19     b: u32,
  20     c: u16,
  21     d: u8
  22 }
  23
  24 #[no_mangle]
  25 pub extern "C" fn test_identity_struct(x: S) -> S {
  26     x
  27 }
  28
  29 #[no_mangle]
  30 pub unsafe extern "C" fn test_get_static_u32() -> u32 {
  31     TEST_STATIC_U32
  32 }
  33
  34 #[no_mangle]
  35 pub unsafe extern "C" fn test_check_static_ptr() -> bool {
  36     TEST_STATIC_PTR == (&mut TEST_STATIC_PTR as *mut *mut _ as *mut _)
  37 }