1 use crate::io as std_io;
4 pub use core::slice::memchr::{memchr, memrchr};
7 // SAFETY: must be called only once during runtime initialization.
8 // NOTE: this is not guaranteed to run, for example when Rust code is called externally.
9 pub unsafe fn init(_argc: isize, _argv: *const *const u8, _sigpipe: u8) {}
11 // SAFETY: must be called only once during runtime cleanup.
12 // NOTE: this is not guaranteed to run, for example when the program aborts.
13 pub unsafe fn cleanup() {}
15 pub fn unsupported<T>() -> std_io::Result<T> {
16 Err(unsupported_err())
19 pub fn unsupported_err() -> std_io::Error {
20 std_io::const_io_error!(
21 std_io::ErrorKind::Unsupported,
22 "operation not supported on this platform",
26 pub fn decode_error_kind(_code: i32) -> crate::io::ErrorKind {
27 crate::io::ErrorKind::Uncategorized
30 pub fn abort_internal() -> ! {
31 core::intrinsics::abort();
34 pub fn hashmap_random_keys() -> (u64, u64) {