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Update tests/incremental/foreign.rs

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This commit is contained in:
Ben Kimock 2024-04-19 18:36:54 -04:00
parent f45a7a291c
commit 30379f9bcc
1 changed files with 5 additions and 22 deletions
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27
tests/incremental/foreign.rs
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@ -1,38 +1,21 @@
// Test what happens we save incremental compilation state that makes
// use of foreign items. This used to ICE (#34991).
//@ ignore-sgx no libc
//@ revisions: rpass1
#![feature(rustc_private)]
extern crate libc;
use std::ffi::CString;
mod mlibc {
use libc::{c_char, c_long, c_longlong};
extern "C" {
pub fn atol(x: *const c_char) -> c_long;
pub fn atoll(x: *const c_char) -> c_longlong;
// strlen is provided either by an external library or compiler-builtins as a fallback
pub fn strlen(x: *const std::ffi::c_char) -> usize;
}
}
fn atol(s: String) -> isize {
fn strlen(s: String) -> usize {
let c = CString::new(s).unwrap();
unsafe { mlibc::atol(c.as_ptr()) as isize }
}
fn atoll(s: String) -> i64 {
let c = CString::new(s).unwrap();
unsafe { mlibc::atoll(c.as_ptr()) as i64 }
unsafe { mlibc::strlen(c.as_ptr()) }
}
pub fn main() {
assert_eq!(atol("1024".to_string()) * 10, atol("10240".to_string()));
assert_eq!(
(atoll("11111111111111111".to_string()) * 10),
atoll("111111111111111110".to_string())
);
assert_eq!(strlen("1024".to_string()), strlen("2048".to_string()));
}