Noratrieb/libuwuc
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getenv works

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This commit is contained in:
nora 2023-09-29 23:04:49 +02:00
parent 0c69d7db10
commit 9464ea4829
7 changed files with 206 additions and 33 deletions
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12
example-user/src/main.rs
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@ -4,7 +4,7 @@
use core::ffi::c_char;
use libuwuc::println;
use libuwuc::{println, utils::SharedThinCstr};
extern crate libuwuc;
@ -23,5 +23,15 @@ fn handler(arg: &core::panic::PanicInfo) -> ! {
#[no_mangle]
extern "C" fn main(_argc: i32, _argv: *const *const c_char) -> i32 {
println!("Hello, world!");
let pwd = libuwuc::env::getenv(SharedThinCstr::from_array(b"PWD\0"));
println!("PWD={pwd:?}");
0
}
// libcore seems to require this symbol, even though it's unused.
#[no_mangle]
fn rust_eh_personality() {
unsafe {
libuwuc::trap!();
}
}