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Replace assertions with errno_check for libc::strerror_r calls #4769

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Replace assertions with errno_check for libc::strerror_r calls #4769

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8 changes: 6 additions & 2 deletions tests/pass-dep/libc/libc-strerror_r.rs
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Original file line number Diff line number Diff line change
@@ -1,11 +1,15 @@
//@ignore-target: windows # Supported only on unixes

#[path = "../../utils/libc.rs"]
mod libc_utils;
use libc_utils::errno_check;

fn main() {
unsafe {
let mut buf = vec![0u8; 32];
assert_eq!(libc::strerror_r(libc::EPERM, buf.as_mut_ptr().cast(), buf.len()), 0);
errno_check(libc::strerror_r(libc::EPERM, buf.as_mut_ptr().cast(), buf.len()));
let mut buf2 = vec![0u8; 64];
assert_eq!(libc::strerror_r(-1i32, buf2.as_mut_ptr().cast(), buf2.len()), 0);
errno_check(libc::strerror_r(-1i32, buf2.as_mut_ptr().cast(), buf2.len()));
// This buffer is deliberately too small so this triggers ERANGE.
let mut buf3 = vec![0u8; 2];
assert_eq!(
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