use O_RDONLY instead of 0 as open() flags parameter

diff --git a/lib/libc/gen/login_cap.c b/lib/libc/gen/login_cap.c
index d3b91f1..862f33b 100644 (file)
--- a/lib/libc/gen/login_cap.c
+++ b/lib/libc/gen/login_cap.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: login_cap.c,v 1.39 2021/06/03 13:19:45 deraadt Exp $  */
+/*     $OpenBSD: login_cap.c,v 1.40 2021/10/24 14:40:30 deraadt Exp $  */
 
 /*
  * Copyright (c) 2000-2004 Todd C. Miller <millert@openbsd.org>
@@ -106,7 +106,7 @@ login_getclass(char *class)
                                lc->lc_class);
                        break;
                case -1:
-                       if ((res = open(classfiles[0], 0)) >= 0)
+                       if ((res = open(classfiles[0], O_RDONLY)) >= 0)
                                close(res);
                        if (strcmp(lc->lc_class, LOGIN_DEFCLASS) == 0 &&
                            res < 0)