rust/tests/ui/c-variadic/variadic-ffi-4.rs
2025-12-04 10:51:34 +01:00

31 lines
917 B
Rust

#![crate_type = "lib"]
#![no_std]
#![feature(c_variadic)]
use core::ffi::VaList;
pub unsafe extern "C" fn no_escape0<'f>(_: usize, ap: ...) -> VaList<'f> {
ap
//~^ ERROR: lifetime may not live long enough
}
pub unsafe extern "C" fn no_escape1(_: usize, ap: ...) -> VaList<'static> {
ap //~ ERROR: lifetime may not live long enough
}
pub unsafe extern "C" fn no_escape3(_: usize, mut ap0: &mut VaList, mut ap1: ...) {
*ap0 = ap1;
//~^ ERROR: lifetime may not live long enough
}
pub unsafe extern "C" fn no_escape4(_: usize, mut ap0: &mut VaList, mut ap1: ...) {
ap0 = &mut ap1;
//~^ ERROR: `ap1` does not live long enough
//~| ERROR: lifetime may not live long enough
//~| ERROR: lifetime may not live long enough
}
pub unsafe extern "C" fn no_escape5(_: usize, mut ap0: &mut VaList, mut ap1: ...) {
*ap0 = ap1.clone();
//~^ ERROR: lifetime may not live long enough
}