chore: fix some comments (#1078)

Signed-off-by: wangcundashang <wangcundashang@qq.com>

Author: wangcundashang

src/pty.rs

@@ -141,7 +141,7 @@ pub fn unlockpt<Fd: AsFd>(fd: Fd) -> io::Result<()> {
 /// `grantpt(fd)`—Grant access to the user side of a pseudoterminal.
 ///
 /// On Linux, calling this function has no effect, as the kernel is expected to
-/// grant the appropriate access. On all other platorms, this function has
+/// grant the appropriate access. On all other platforms, this function has
 /// unspecified behavior if the calling process has a [`Signal::Child`] signal
 /// handler installed.
 ///

src/runtime.rs

@@ -573,7 +573,7 @@ pub const SIGRTMAX: u32 = {
         linux_raw_sys::general::SIGRTMAX
     }
 
-    // On platfoms that don't, derive it from `_NSIG`.
+    // On platforms that don't, derive it from `_NSIG`.
     #[cfg(any(target_arch = "arm", target_arch = "x86", target_arch = "x86_64"))]
     {
         linux_raw_sys::general::_NSIG - 1

tests/io/dup.rs

@@ -17,7 +17,7 @@ fn test_dup() {
     let mut buf = [0_u8; 4];
     assert_eq!(rustix::io::read(&file, &mut buf), Ok(4));
 
-    // Both postitions updated.
+    // Both positions updated.
     assert_eq!(
         rustix::fs::seek(&file, rustix::fs::SeekFrom::Current(0)),
         Ok(4)
@@ -29,7 +29,7 @@ fn test_dup() {
 
     assert_eq!(rustix::io::read(&alt, &mut buf), Ok(4));
 
-    // Both postitions updated.
+    // Both positions updated.
     assert_eq!(
         rustix::fs::seek(&file, rustix::fs::SeekFrom::Current(0)),
         Ok(8)

tests/net/unix.rs

@@ -627,7 +627,7 @@ fn test_unix_peercred_explicit() {
 
     match cmsg_buffer.drain().next().unwrap() {
         RecvAncillaryMessage::ScmCredentials(ucred2) => assert_eq!(ucred2, ucred),
-        _ => panic!("Unexpected ancilliary message"),
+        _ => panic!("Unexpected ancillary message"),
     };
 }
 
@@ -683,7 +683,7 @@ fn test_unix_peercred_implicit() {
 
     match cmsg_buffer.drain().next().unwrap() {
         RecvAncillaryMessage::ScmCredentials(ucred2) => assert_eq!(ucred2, ucred),
-        _ => panic!("Unexpected ancilliary message"),
+        _ => panic!("Unexpected ancillary message"),
     };
 }
 

tests/net/unix_alloc.rs

@@ -630,7 +630,7 @@ fn test_unix_peercred() {
 
     match cmsg_buffer.drain().next().unwrap() {
         RecvAncillaryMessage::ScmCredentials(ucred2) => assert_eq!(ucred2, ucred),
-        _ => panic!("Unexpected ancilliary message"),
+        _ => panic!("Unexpected ancillary message"),
     };
 }