43 lines
993 B
Rust
43 lines
993 B
Rust
//@only-linux
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#![feature(rustc_private)]
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extern crate libc;
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use std::ptr;
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fn main() {
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let mut buf = [0u8; 5];
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unsafe {
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assert_eq!(
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libc::syscall(
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libc::SYS_getrandom,
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ptr::null_mut::<libc::c_void>(),
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0 as libc::size_t,
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0 as libc::c_uint,
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),
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0,
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);
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assert_eq!(
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libc::syscall(
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libc::SYS_getrandom,
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buf.as_mut_ptr() as *mut libc::c_void,
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5 as libc::size_t,
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0 as libc::c_uint,
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),
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5,
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);
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assert_eq!(
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libc::getrandom(ptr::null_mut::<libc::c_void>(), 0 as libc::size_t, 0 as libc::c_uint),
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0,
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);
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assert_eq!(
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libc::getrandom(
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buf.as_mut_ptr() as *mut libc::c_void,
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5 as libc::size_t,
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0 as libc::c_uint,
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),
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5,
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);
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}
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}
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