Rollup merge of #152672 - joboet:apple_args_libc, r=jhpratt
std: use libc version of `_NSGetArgc`/`_NSGetArgv` These were added to libc in https://github.com/rust-lang/libc/pull/3702.
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commit
9a82b6700a
1 changed files with 3 additions and 9 deletions
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@ -164,7 +164,7 @@ mod imp {
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// of this used `[[NSProcessInfo processInfo] arguments]`.
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#[cfg(target_vendor = "apple")]
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mod imp {
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use crate::ffi::{c_char, c_int};
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use crate::ffi::c_char;
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pub unsafe fn init(_argc: isize, _argv: *const *const u8) {
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// No need to initialize anything in here, `libdyld.dylib` has already
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@ -172,12 +172,6 @@ mod imp {
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}
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pub fn argc_argv() -> (isize, *const *const c_char) {
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unsafe extern "C" {
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// These functions are in crt_externs.h.
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fn _NSGetArgc() -> *mut c_int;
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fn _NSGetArgv() -> *mut *mut *mut c_char;
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}
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// SAFETY: The returned pointer points to a static initialized early
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// in the program lifetime by `libdyld.dylib`, and as such is always
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// valid.
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@ -187,9 +181,9 @@ mod imp {
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// doesn't exist a lock that we can take. Instead, it is generally
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// expected that it's only modified in `main` / before other code
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// runs, so reading this here should be fine.
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let argc = unsafe { _NSGetArgc().read() };
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let argc = unsafe { libc::_NSGetArgc().read() };
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// SAFETY: Same as above.
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let argv = unsafe { _NSGetArgv().read() };
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let argv = unsafe { libc::_NSGetArgv().read() };
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// Cast from `*mut *mut c_char` to `*const *const c_char`
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(argc as isize, argv.cast())
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