diff options
Diffstat (limited to 'library/std/src/sys/pal/uefi/os.rs')
| -rw-r--r-- | library/std/src/sys/pal/uefi/os.rs | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/library/std/src/sys/pal/uefi/os.rs b/library/std/src/sys/pal/uefi/os.rs index d26d61890c1..bfd4dc81cb4 100644 --- a/library/std/src/sys/pal/uefi/os.rs +++ b/library/std/src/sys/pal/uefi/os.rs @@ -131,60 +131,6 @@ pub fn current_exe() -> io::Result<PathBuf> { helpers::device_path_to_text(protocol).map(PathBuf::from) } -pub struct EnvStrDebug<'a> { - iter: &'a [(OsString, OsString)], -} - -impl fmt::Debug for EnvStrDebug<'_> { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - let mut list = f.debug_list(); - for (a, b) in self.iter { - list.entry(&(a.to_str().unwrap(), b.to_str().unwrap())); - } - list.finish() - } -} - -pub struct Env(crate::vec::IntoIter<(OsString, OsString)>); - -impl Env { - // FIXME(https://github.com/rust-lang/rust/issues/114583): Remove this when <OsStr as Debug>::fmt matches <str as Debug>::fmt. - pub fn str_debug(&self) -> impl fmt::Debug + '_ { - EnvStrDebug { iter: self.0.as_slice() } - } -} - -impl Iterator for Env { - type Item = (OsString, OsString); - - fn next(&mut self) -> Option<(OsString, OsString)> { - self.0.next() - } -} - -impl fmt::Debug for Env { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - self.0.fmt(f) - } -} - -pub fn env() -> Env { - let env = uefi_env::get_all().expect("not supported on this platform"); - Env(env.into_iter()) -} - -pub fn getenv(key: &OsStr) -> Option<OsString> { - uefi_env::get(key) -} - -pub unsafe fn setenv(key: &OsStr, val: &OsStr) -> io::Result<()> { - uefi_env::set(key, val) -} - -pub unsafe fn unsetenv(key: &OsStr) -> io::Result<()> { - uefi_env::unset(key) -} - pub fn temp_dir() -> PathBuf { panic!("no filesystem on this platform") } @@ -213,85 +159,3 @@ pub fn exit(code: i32) -> ! { pub fn getpid() -> u32 { panic!("no pids on this platform") } - -mod uefi_env { - use crate::ffi::{OsStr, OsString}; - use crate::io; - use crate::os::uefi::ffi::OsStringExt; - use crate::ptr::NonNull; - use crate::sys::{helpers, unsupported_err}; - - pub(crate) fn get(key: &OsStr) -> Option<OsString> { - let shell = helpers::open_shell()?; - let mut key_ptr = helpers::os_string_to_raw(key)?; - unsafe { get_raw(shell, key_ptr.as_mut_ptr()) } - } - - pub(crate) fn set(key: &OsStr, val: &OsStr) -> io::Result<()> { - let mut key_ptr = helpers::os_string_to_raw(key) - .ok_or(io::const_error!(io::ErrorKind::InvalidInput, "invalid key"))?; - let mut val_ptr = helpers::os_string_to_raw(val) - .ok_or(io::const_error!(io::ErrorKind::InvalidInput, "invalid value"))?; - unsafe { set_raw(key_ptr.as_mut_ptr(), val_ptr.as_mut_ptr()) } - } - - pub(crate) fn unset(key: &OsStr) -> io::Result<()> { - let mut key_ptr = helpers::os_string_to_raw(key) - .ok_or(io::const_error!(io::ErrorKind::InvalidInput, "invalid key"))?; - unsafe { set_raw(key_ptr.as_mut_ptr(), crate::ptr::null_mut()) } - } - - pub(crate) fn get_all() -> io::Result<Vec<(OsString, OsString)>> { - let shell = helpers::open_shell().ok_or(unsupported_err())?; - - let mut vars = Vec::new(); - let val = unsafe { ((*shell.as_ptr()).get_env)(crate::ptr::null_mut()) }; - - if val.is_null() { - return Ok(vars); - } - - let mut start = 0; - - // UEFI Shell returns all keys separated by NULL. - // End of string is denoted by two NULLs - for i in 0.. { - if unsafe { *val.add(i) } == 0 { - // Two NULL signal end of string - if i == start { - break; - } - - let key = OsString::from_wide(unsafe { - crate::slice::from_raw_parts(val.add(start), i - start) - }); - // SAFETY: val.add(start) is always NULL terminated - let val = unsafe { get_raw(shell, val.add(start)) } - .ok_or(io::const_error!(io::ErrorKind::InvalidInput, "invalid value"))?; - - vars.push((key, val)); - start = i + 1; - } - } - - Ok(vars) - } - - unsafe fn get_raw( - shell: NonNull<r_efi::efi::protocols::shell::Protocol>, - key_ptr: *mut r_efi::efi::Char16, - ) -> Option<OsString> { - let val = unsafe { ((*shell.as_ptr()).get_env)(key_ptr) }; - helpers::os_string_from_raw(val) - } - - unsafe fn set_raw( - key_ptr: *mut r_efi::efi::Char16, - val_ptr: *mut r_efi::efi::Char16, - ) -> io::Result<()> { - let shell = helpers::open_shell().ok_or(unsupported_err())?; - let r = - unsafe { ((*shell.as_ptr()).set_env)(key_ptr, val_ptr, r_efi::efi::Boolean::FALSE) }; - if r.is_error() { Err(io::Error::from_raw_os_error(r.as_usize())) } else { Ok(()) } - } -} |
