Rollup merge of #51637 - abarth:new_prng, r=cramertj

Update zx_cprng_draw_new on Fuchsia

Fuchsia is changing the semantics for zx_cprng_draw and
zx_cprng_draw_new is a temporary name for the new semantics.
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kennytm 2018-06-22 16:50:42 +08:00 committed by GitHub
commit e920d21d78
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1 changed files with 3 additions and 4 deletions

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@ -183,15 +183,14 @@ mod imp {
mod imp {
#[link(name = "zircon")]
extern {
fn zx_cprng_draw(buffer: *mut u8, len: usize, actual: *mut usize) -> i32;
fn zx_cprng_draw_new(buffer: *mut u8, len: usize) -> i32;
}
fn getrandom(buf: &mut [u8]) -> Result<usize, i32> {
unsafe {
let mut actual = 0;
let status = zx_cprng_draw(buf.as_mut_ptr(), buf.len(), &mut actual);
let status = zx_cprng_draw_new(buf.as_mut_ptr(), buf.len());
if status == 0 {
Ok(actual)
Ok(buf.len())
} else {
Err(status)
}