rust/tests/pass/calloc.rs

27 lines
558 B
Rust

//@ignore-target-windows: No libc on Windows
#![feature(rustc_private)]
extern crate libc;
use core::slice;
fn main() {
unsafe {
let p1 = libc::calloc(0, 0);
assert!(p1.is_null());
let p2 = libc::calloc(20, 0);
assert!(p2.is_null());
let p3 = libc::calloc(0, 20);
assert!(p3.is_null());
let p4 = libc::calloc(4, 8);
assert!(!p4.is_null());
let slice = slice::from_raw_parts(p4 as *const u8, 4 * 8);
assert_eq!(&slice, &[0_u8; 4 * 8]);
libc::free(p4);
}
}