Use unsupported args for espidf and vita

library/std/src/sys/args/mod.rs

@@ -3,7 +3,7 @@
 #![forbid(unsafe_op_in_unsafe_fn)]
 
 cfg_if::cfg_if! {
-    if #[cfg(target_family = "unix")] {
+    if #[cfg(all(target_family = "unix", not(any(target_os = "espidf", target_os = "vita"))))] {
         mod unix;
         pub use unix::*;
     } else if #[cfg(target_family = "windows")] {

library/std/src/sys/args/unix.rs

@@ -226,16 +226,3 @@ mod imp {
         (argc as isize, argv.cast())
     }
 }
-
-#[cfg(any(target_os = "espidf", target_os = "vita"))]
-mod imp {
-    use crate::ffi::c_char;
-    use crate::ptr;
-
-    #[inline(always)]
-    pub unsafe fn init(_argc: isize, _argv: *const *const u8) {}
-
-    pub fn argc_argv() -> (isize, *const *const c_char) {
-        (0, ptr::null())
-    }
-}

library/std/src/sys/pal/unix/mod.rs

@@ -26,6 +26,7 @@ pub mod time;
 pub fn init(_argc: isize, _argv: *const *const u8, _sigpipe: u8) {}
 
 #[cfg(not(target_os = "espidf"))]
+#[cfg_attr(target_os = "vita", allow(unused_variables))]
 // SAFETY: must be called only once during runtime initialization.
 // NOTE: this is not guaranteed to run, for example when Rust code is called externally.
 // See `fn init()` in `library/std/src/rt.rs` for docs on `sigpipe`.
@@ -46,6 +47,7 @@ pub unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) {
     reset_sigpipe(sigpipe);
 
     stack_overflow::init();
+    #[cfg(not(target_os = "vita"))]
     crate::sys::args::init(argc, argv);
 
     // Normally, `thread::spawn` will call `Thread::set_name` but since this thread