wc: more strict file checking

venoosoo · venoosoo · commit 8288be388ffa · 2026-04-09T16:08:49.000+03:00
diff --git a/src/uu/wc/src/wc.rs b/src/uu/wc/src/wc.rs
@@ -59,9 +59,12 @@ fn try_get_stdin_size() -> Option<usize> {
             return None;
         };
 
-        if rustix::fs::FileType::from_raw_mode(stat.st_mode) == rustix::fs::FileType::RegularFile {
+        let file_type = rustix::fs::FileType::from_raw_mode(stat.st_mode);
+
+        if file_type == rustix::fs::FileType::RegularFile && stat.st_size > 0 {
             return Some(stat.st_size as usize);
         }
+
         None
     }
     #[cfg(not(unix))]

Original file line number	Diff line number	Diff line change
`@@ -59,9 +59,12 @@ fn try_get_stdin_size() -> Option<usize> {`
`59`	`59`	`return None;`
`60`	`60`	`};`
`61`	`61`
`62`		`- if rustix::fs::FileType::from_raw_mode(stat.st_mode) == rustix::fs::FileType::RegularFile {`
	`62`	`+ let file_type = rustix::fs::FileType::from_raw_mode(stat.st_mode);`
	`63`	`+`
	`64`	`+ if file_type == rustix::fs::FileType::RegularFile && stat.st_size > 0 {`
`63`	`65`	`return Some(stat.st_size as usize);`
`64`	`66`	`}`
	`67`	`+`
`65`	`68`	`None`
`66`	`69`	`}`
`67`	`70`	`#[cfg(not(unix))]`