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macos current_exe using directly libc instead.

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This commit is contained in:
David CARLIER 2021-07-25 06:02:07 +01:00
parent 2b4196e977
commit 5407b42cd8
3 changed files with 5 additions and 8 deletions
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2
library/std/Cargo.toml
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@ -16,7 +16,7 @@ cfg-if = { version = "0.1.8", features = ['rustc-dep-of-std'] }
panic_unwind = { path = "../panic_unwind", optional = true }
panic_abort = { path = "../panic_abort" }
core = { path = "../core" }
libc = { version = "0.2.93", default-features = false, features = ['rustc-dep-of-std'] }
libc = { version = "0.2.98", default-features = false, features = ['rustc-dep-of-std'] }
compiler_builtins = { version = "0.1.44" }
profiler_builtins = { path = "../profiler_builtins", optional = true }
unwind = { path = "../unwind" }

7
library/std/src/sys/unix/os.rs
View file

@ -350,17 +350,14 @@ pub fn current_exe() -> io::Result<PathBuf> {
#[cfg(any(target_os = "macos", target_os = "ios"))]
pub fn current_exe() -> io::Result<PathBuf> {
extern "C" {
fn _NSGetExecutablePath(buf: *mut libc::c_char, bufsize: *mut u32) -> libc::c_int;
}
unsafe {
let mut sz: u32 = 0;
_NSGetExecutablePath(ptr::null_mut(), &mut sz);
libc::_NSGetExecutablePath(ptr::null_mut(), &mut sz);
if sz == 0 {
return Err(io::Error::last_os_error());
}
let mut v: Vec<u8> = Vec::with_capacity(sz as usize);
let err = _NSGetExecutablePath(v.as_mut_ptr() as *mut i8, &mut sz);
let err = libc::_NSGetExecutablePath(v.as_mut_ptr() as *mut i8, &mut sz);
if err != 0 {
return Err(io::Error::last_os_error());
}