1 use crate::io as std_io;
4 pub use core::slice::memchr::{memchr, memrchr};
7 // This is not necessarily correct. May want to consider making it part of the
9 use crate::os::raw::c_char;
11 // SAFETY: must be called only once during runtime initialization.
12 // NOTE: this is not guaranteed to run, for example when Rust code is called externally.
13 pub unsafe fn init(_argc: isize, _argv: *const *const u8) {}
15 // SAFETY: must be called only once during runtime cleanup.
16 // NOTE: this is not guaranteed to run, for example when the program aborts.
17 pub unsafe fn cleanup() {}
19 pub fn unsupported<T>() -> std_io::Result<T> {
20 Err(unsupported_err())
23 pub fn unsupported_err() -> std_io::Error {
24 std_io::const_io_error!(
25 std_io::ErrorKind::Unsupported,
26 "operation not supported on this platform",
30 pub fn decode_error_kind(_code: i32) -> crate::io::ErrorKind {
31 crate::io::ErrorKind::Uncategorized
34 pub fn abort_internal() -> ! {
35 core::intrinsics::abort();
38 pub fn hashmap_random_keys() -> (u64, u64) {
42 pub unsafe fn strlen(mut s: *const c_char) -> usize {
43 // SAFETY: The caller must guarantee `s` points to a valid 0-terminated string.