remove helper fn 'read_os_str_from_target_str()'

Author: JOE1994

src/helpers.rs

@@ -463,18 +463,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
         }
     }
 
-    /// Dispatches to appropriate implementations for reading an OsString from Memory,
-    /// depending on the interpretation target.
-    /// FIXME: Use `Cow` to avoid copies
-    fn read_os_str_from_target_str(&self, scalar: Scalar<Tag>) -> InterpResult<'tcx, OsString> {
-        let target_os = self.eval_context_ref().tcx.sess.target.target.target_os.as_str();
-        match target_os {
-            "linux" | "macos" => self.read_os_str_from_c_str(scalar).map(|x| x.to_os_string()),
-            "windows" => self.read_os_str_from_wide_str(scalar),
-            unsupported => throw_unsup_format!("OsString support for target OS `{}` not yet available", unsupported),
-        }
-    }
-
     /// Helper function to read an OsString from a null-terminated sequence of bytes, which is what
     /// the Unix APIs usually handle.
     fn read_os_str_from_c_str<'a>(&'a self, scalar: Scalar<Tag>) -> InterpResult<'tcx, &'a OsStr>