diff --git a/programs/fileio.c b/programs/fileio.c
index 7a6af7929..46a842f6a 100644
--- a/programs/fileio.c
+++ b/programs/fileio.c
@@ -4998,12 +4998,8 @@ FIO_listFile(const char* inFileName, int displayLevel,
     }
 }
 
-static int
-FIO_listFileIsStdin(void* opaque, const char* fileName)
-{
-    (void)opaque;
-    return !strcmp(fileName, stdinmark);
-}
+/* Rust owns this stateless --list input-name predicate. */
+int FIO_listFileIsStdin(void* opaque, const char* fileName);
 
 static void
 FIO_listFileDisplayStdinError(void* opaque)
diff --git a/rust/cli/src/lib.rs b/rust/cli/src/lib.rs
index 31c5da2a3..0a2631e39 100644
--- a/rust/cli/src/lib.rs
+++ b/rust/cli/src/lib.rs
@@ -29,3 +29,41 @@ mod zstd_cli;
 #[cfg(feature = "cli")]
 #[path = "../../src/zstdcli_trace.rs"]
 mod zstdcli_trace;
+
+#[cfg(feature = "cli")]
+use std::ffi::c_void;
+#[cfg(feature = "cli")]
+use std::os::raw::{c_char, c_int};
+
+/// Match the C `--list` stdin callback without crossing any file-I/O state.
+#[cfg(feature = "cli")]
+#[no_mangle]
+pub unsafe extern "C" fn FIO_listFileIsStdin(
+    _opaque: *mut c_void,
+    file_name: *const c_char,
+) -> c_int {
+    assert!(!file_name.is_null());
+    c_int::from(unsafe { libc::strcmp(file_name, c"/*stdin*\\".as_ptr()) == 0 })
+}
+
+#[cfg(all(test, feature = "cli"))]
+mod tests {
+    use super::FIO_listFileIsStdin;
+    use std::ffi::CString;
+    use std::ptr;
+
+    #[test]
+    fn list_stdin_callback_matches_only_the_stdin_marker() {
+        let stdin_name = CString::new("/*stdin*\\").unwrap();
+        let ordinary_name = CString::new("input.zst").unwrap();
+
+        assert_eq!(
+            unsafe { FIO_listFileIsStdin(ptr::null_mut(), stdin_name.as_ptr()) },
+            1
+        );
+        assert_eq!(
+            unsafe { FIO_listFileIsStdin(ptr::null_mut(), ordinary_name.as_ptr()) },
+            0
+        );
+    }
+}