4lDO2
8b8b00da01
Returning a negative number of bytes makes absolutely no sense, besides the "-1 and errno" pattern, which is now converted to Result<_, Errno>.
20 lines
446 B
Rust
20 lines
446 B
Rust
use core::slice;
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use crate::{
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error::ResultExt,
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platform::{types::*, Pal, Sys},
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};
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pub const GRND_NONBLOCK: c_uint = 1;
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pub const GRND_RANDOM: c_uint = 2;
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#[no_mangle]
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pub unsafe extern "C" fn getrandom(buf: *mut c_void, buflen: size_t, flags: c_uint) -> ssize_t {
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Sys::getrandom(
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slice::from_raw_parts_mut(buf as *mut u8, buflen as usize),
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flags,
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)
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.map(|read| read as ssize_t)
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.or_minus_one_errno()
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}
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