towupper/towlower: fast path for ascii chars

[oweals/musl.git] / src / dirent / __dirent.h

diff --git a/src/dirent/__dirent.h b/src/dirent/__dirent.h
index 45509e19c3de2e88191d4fcb65635231b9ddf1c9..32871baf51a1f38cbd4a97d034de3dab9f69ff51 100644 (file)
--- a/src/dirent/__dirent.h
+++ b/src/dirent/__dirent.h
@@ -4,6 +4,6 @@ struct __dirstream
        off_t tell;
        int buf_pos;
        int buf_end;
-       int lock[2];
+       volatile int lock[2];
        char buf[2048];
 };