Rollup merge of rust-lang#121266 - SabrinaJewson:easy-syscall-aliases, r=Mark-Simulacrum

Add uncontroversial syscall doc aliases to std docs

This PR contains the parts of rust-lang#113891 that don’t break the doc alias policy.

r? `@Mark-Simulacrum`

Author: matthiaskrgr

library/std/src/env.rs

@@ -78,7 +78,7 @@ pub fn current_dir() -> io::Result<PathBuf> {
 /// assert!(env::set_current_dir(&root).is_ok());
 /// println!("Successfully changed working directory to {}!", root.display());
 /// ```
-#[doc(alias = "chdir")]
+#[doc(alias = "chdir", alias = "SetCurrentDirectory", alias = "SetCurrentDirectoryW")]
 #[stable(feature = "env", since = "1.0.0")]
 pub fn set_current_dir<P: AsRef<Path>>(path: P) -> io::Result<()> {
     os_imp::chdir(path.as_ref())
@@ -655,6 +655,7 @@ pub fn home_dir() -> Option<PathBuf> {
 /// }
 /// ```
 #[must_use]
+#[doc(alias = "GetTempPath", alias = "GetTempPath2")]
 #[stable(feature = "env", since = "1.0.0")]
 pub fn temp_dir() -> PathBuf {
     os_imp::temp_dir()

library/std/src/fs.rs

@@ -656,6 +656,7 @@ impl File {
     ///
     /// Note that this method alters the permissions of the underlying file,
     /// even though it takes `&self` rather than `&mut self`.
+    #[doc(alias = "fchmod", alias = "SetFileInformationByHandle")]
     #[stable(feature = "set_permissions_atomic", since = "1.16.0")]
     pub fn set_permissions(&self, perm: Permissions) -> io::Result<()> {
         self.inner.set_permissions(perm.0)
@@ -1314,6 +1315,7 @@ impl Metadata {
     ///     Ok(())
     /// }
     /// ```
+    #[doc(alias = "mtime", alias = "ftLastWriteTime")]
     #[stable(feature = "fs_time", since = "1.10.0")]
     pub fn modified(&self) -> io::Result<SystemTime> {
         self.0.modified().map(FromInner::from_inner)
@@ -1349,6 +1351,7 @@ impl Metadata {
     ///     Ok(())
     /// }
     /// ```
+    #[doc(alias = "atime", alias = "ftLastAccessTime")]
     #[stable(feature = "fs_time", since = "1.10.0")]
     pub fn accessed(&self) -> io::Result<SystemTime> {
         self.0.accessed().map(FromInner::from_inner)
@@ -1381,6 +1384,7 @@ impl Metadata {
     ///     Ok(())
     /// }
     /// ```
+    #[doc(alias = "btime", alias = "birthtime", alias = "ftCreationTime")]
     #[stable(feature = "fs_time", since = "1.10.0")]
     pub fn created(&self) -> io::Result<SystemTime> {
         self.0.created().map(FromInner::from_inner)
@@ -1879,6 +1883,7 @@ impl AsInner<fs_imp::DirEntry> for DirEntry {
 ///     Ok(())
 /// }
 /// ```
+#[doc(alias = "rm", alias = "unlink", alias = "DeleteFile")]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub fn remove_file<P: AsRef<Path>>(path: P) -> io::Result<()> {
     fs_imp::unlink(path.as_ref())
@@ -1917,6 +1922,7 @@ pub fn remove_file<P: AsRef<Path>>(path: P) -> io::Result<()> {
 ///     Ok(())
 /// }
 /// ```
+#[doc(alias = "stat")]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub fn metadata<P: AsRef<Path>>(path: P) -> io::Result<Metadata> {
     fs_imp::stat(path.as_ref()).map(Metadata)
@@ -1951,6 +1957,7 @@ pub fn metadata<P: AsRef<Path>>(path: P) -> io::Result<Metadata> {
 ///     Ok(())
 /// }
 /// ```
+#[doc(alias = "lstat")]
 #[stable(feature = "symlink_metadata", since = "1.1.0")]
 pub fn symlink_metadata<P: AsRef<Path>>(path: P) -> io::Result<Metadata> {
     fs_imp::lstat(path.as_ref()).map(Metadata)
@@ -1994,6 +2001,7 @@ pub fn symlink_metadata<P: AsRef<Path>>(path: P) -> io::Result<Metadata> {
 ///     Ok(())
 /// }
 /// ```
+#[doc(alias = "mv", alias = "MoveFile", alias = "MoveFileEx")]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub fn rename<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> io::Result<()> {
     fs_imp::rename(from.as_ref(), to.as_ref())
@@ -2052,6 +2060,9 @@ pub fn rename<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> io::Result<()>
 ///     Ok(())
 /// }
 /// ```
+#[doc(alias = "cp")]
+#[doc(alias = "CopyFile", alias = "CopyFileEx")]
+#[doc(alias = "fclonefileat", alias = "fcopyfile")]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub fn copy<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> io::Result<u64> {
     fs_imp::copy(from.as_ref(), to.as_ref())
@@ -2096,6 +2107,7 @@ pub fn copy<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> io::Result<u64> {
 ///     Ok(())
 /// }
 /// ```
+#[doc(alias = "CreateHardLink", alias = "linkat")]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub fn hard_link<P: AsRef<Path>, Q: AsRef<Path>>(original: P, link: Q) -> io::Result<()> {
     fs_imp::link(original.as_ref(), link.as_ref())
@@ -2245,7 +2257,7 @@ pub fn canonicalize<P: AsRef<Path>>(path: P) -> io::Result<PathBuf> {
 ///     Ok(())
 /// }
 /// ```
-#[doc(alias = "mkdir")]
+#[doc(alias = "mkdir", alias = "CreateDirectory")]
 #[stable(feature = "rust1", since = "1.0.0")]
 #[cfg_attr(not(test), rustc_diagnostic_item = "fs_create_dir")]
 pub fn create_dir<P: AsRef<Path>>(path: P) -> io::Result<()> {
@@ -2326,7 +2338,7 @@ pub fn create_dir_all<P: AsRef<Path>>(path: P) -> io::Result<()> {
 ///     Ok(())
 /// }
 /// ```
-#[doc(alias = "rmdir")]
+#[doc(alias = "rmdir", alias = "RemoveDirectory")]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub fn remove_dir<P: AsRef<Path>>(path: P) -> io::Result<()> {
     fs_imp::rmdir(path.as_ref())
@@ -2449,6 +2461,7 @@ pub fn remove_dir_all<P: AsRef<Path>>(path: P) -> io::Result<()> {
 ///     Ok(())
 /// }
 /// ```
+#[doc(alias = "ls", alias = "opendir", alias = "FindFirstFile", alias = "FindNextFile")]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub fn read_dir<P: AsRef<Path>>(path: P) -> io::Result<ReadDir> {
     fs_imp::readdir(path.as_ref()).map(ReadDir)
@@ -2484,6 +2497,7 @@ pub fn read_dir<P: AsRef<Path>>(path: P) -> io::Result<ReadDir> {
 ///     Ok(())
 /// }
 /// ```
+#[doc(alias = "chmod", alias = "SetFileAttributes")]
 #[stable(feature = "set_permissions", since = "1.1.0")]
 pub fn set_permissions<P: AsRef<Path>>(path: P, perm: Permissions) -> io::Result<()> {
     fs_imp::set_perm(path.as_ref(), perm.0)

library/std/src/os/wasi/fs.rs

@@ -173,51 +173,61 @@ pub trait FileExt {
     ///
     /// This corresponds to the `fd_tell` syscall and is similar to
     /// `seek` where you offset 0 bytes from the current position.
+    #[doc(alias = "fd_tell")]
     fn tell(&self) -> io::Result<u64>;
 
     /// Adjust the flags associated with this file.
     ///
     /// This corresponds to the `fd_fdstat_set_flags` syscall.
+    #[doc(alias = "fd_fdstat_set_flags")]
     fn fdstat_set_flags(&self, flags: u16) -> io::Result<()>;
 
     /// Adjust the rights associated with this file.
     ///
     /// This corresponds to the `fd_fdstat_set_rights` syscall.
+    #[doc(alias = "fd_fdstat_set_rights")]
     fn fdstat_set_rights(&self, rights: u64, inheriting: u64) -> io::Result<()>;
 
     /// Provide file advisory information on a file descriptor.
     ///
     /// This corresponds to the `fd_advise` syscall.
+    #[doc(alias = "fd_advise")]
     fn advise(&self, offset: u64, len: u64, advice: u8) -> io::Result<()>;
 
     /// Force the allocation of space in a file.
     ///
     /// This corresponds to the `fd_allocate` syscall.
+    #[doc(alias = "fd_allocate")]
     fn allocate(&self, offset: u64, len: u64) -> io::Result<()>;
 
     /// Create a directory.
     ///
     /// This corresponds to the `path_create_directory` syscall.
+    #[doc(alias = "path_create_directory")]
     fn create_directory<P: AsRef<Path>>(&self, dir: P) -> io::Result<()>;
 
     /// Read the contents of a symbolic link.
     ///
     /// This corresponds to the `path_readlink` syscall.
+    #[doc(alias = "path_readlink")]
     fn read_link<P: AsRef<Path>>(&self, path: P) -> io::Result<PathBuf>;
 
     /// Return the attributes of a file or directory.
     ///
     /// This corresponds to the `path_filestat_get` syscall.
+    #[doc(alias = "path_filestat_get")]
     fn metadata_at<P: AsRef<Path>>(&self, lookup_flags: u32, path: P) -> io::Result<Metadata>;
 
     /// Unlink a file.
     ///
     /// This corresponds to the `path_unlink_file` syscall.
+    #[doc(alias = "path_unlink_file")]
     fn remove_file<P: AsRef<Path>>(&self, path: P) -> io::Result<()>;
 
     /// Remove a directory.
     ///
     /// This corresponds to the `path_remove_directory` syscall.
+    #[doc(alias = "path_remove_directory")]
     fn remove_directory<P: AsRef<Path>>(&self, path: P) -> io::Result<()>;
 }
 
@@ -359,6 +369,7 @@ pub trait OpenOptionsExt {
     /// Open a file or directory.
     ///
     /// This corresponds to the `path_open` syscall.
+    #[doc(alias = "path_open")]
     fn open_at<P: AsRef<Path>>(&self, file: &File, path: P) -> io::Result<File>;
 }
 
@@ -500,6 +511,7 @@ impl DirEntryExt for fs::DirEntry {
 /// Create a hard link.
 ///
 /// This corresponds to the `path_link` syscall.
+#[doc(alias = "path_link")]
 pub fn link<P: AsRef<Path>, U: AsRef<Path>>(
     old_fd: &File,
     old_flags: u32,
@@ -518,6 +530,7 @@ pub fn link<P: AsRef<Path>, U: AsRef<Path>>(
 /// Rename a file or directory.
 ///
 /// This corresponds to the `path_rename` syscall.
+#[doc(alias = "path_rename")]
 pub fn rename<P: AsRef<Path>, U: AsRef<Path>>(
     old_fd: &File,
     old_path: P,
@@ -534,6 +547,7 @@ pub fn rename<P: AsRef<Path>, U: AsRef<Path>>(
 /// Create a symbolic link.
 ///
 /// This corresponds to the `path_symlink` syscall.
+#[doc(alias = "path_symlink")]
 pub fn symlink<P: AsRef<Path>, U: AsRef<Path>>(
     old_path: P,
     fd: &File,