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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-07 05:48:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-07 05:48:48 +0000 |
commit | ef24de24a82fe681581cc130f342363c47c0969a (patch) | |
tree | 0d494f7e1a38b95c92426f58fe6eaa877303a86c /library/std/src/sys/unix/os.rs | |
parent | Releasing progress-linux version 1.74.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-ef24de24a82fe681581cc130f342363c47c0969a.tar.xz rustc-ef24de24a82fe681581cc130f342363c47c0969a.zip |
Merging upstream version 1.75.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/std/src/sys/unix/os.rs')
-rw-r--r-- | library/std/src/sys/unix/os.rs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/library/std/src/sys/unix/os.rs b/library/std/src/sys/unix/os.rs index 01ff375d2..dc3c037c0 100644 --- a/library/std/src/sys/unix/os.rs +++ b/library/std/src/sys/unix/os.rs @@ -74,6 +74,7 @@ extern "C" { link_name = "__error" )] #[cfg_attr(target_os = "haiku", link_name = "_errnop")] + #[cfg_attr(target_os = "aix", link_name = "_Errno")] fn errno_location() -> *mut c_int; } @@ -254,6 +255,41 @@ impl StdError for JoinPathsError { } } +#[cfg(target_os = "aix")] +pub fn current_exe() -> io::Result<PathBuf> { + use crate::io::ErrorKind; + + #[cfg(test)] + use realstd::env; + + #[cfg(not(test))] + use crate::env; + + let exe_path = env::args().next().ok_or(io::const_io_error!( + ErrorKind::NotFound, + "an executable path was not found because no arguments were provided through argv" + ))?; + let path = PathBuf::from(exe_path); + if path.is_absolute() { + return path.canonicalize(); + } + // Search PWD to infer current_exe. + if let Some(pstr) = path.to_str() && pstr.contains("/") { + return getcwd().map(|cwd| cwd.join(path))?.canonicalize(); + } + // Search PATH to infer current_exe. + if let Some(p) = getenv(OsStr::from_bytes("PATH".as_bytes())) { + for search_path in split_paths(&p) { + let pb = search_path.join(&path); + if pb.is_file() && let Ok(metadata) = crate::fs::metadata(&pb) && + metadata.permissions().mode() & 0o111 != 0 { + return pb.canonicalize(); + } + } + } + Err(io::const_io_error!(ErrorKind::NotFound, "an executable path was not found")) +} + #[cfg(any(target_os = "freebsd", target_os = "dragonfly"))] pub fn current_exe() -> io::Result<PathBuf> { unsafe { |