Pledge can be done earlier; from kshe

diff --git a/usr.bin/dc/dc.c b/usr.bin/dc/dc.c
index 3888700..e2c5461 100644 (file)
--- a/usr.bin/dc/dc.c
+++ b/usr.bin/dc/dc.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: dc.c,v 1.18 2016/07/17 17:30:47 otto Exp $    */
+/*     $OpenBSD: dc.c,v 1.19 2017/11/29 14:34:17 otto Exp $    */
 
 /*
  * Copyright (c) 2003, Otto Moerbeek <otto@drijf.net>
@@ -72,6 +72,11 @@ dc_main(int argc, char *argv[])
        argc -= optind;
        argv += optind;
 
+       if (argc == 0) {
+               if (pledge("stdio", NULL) == -1)
+                       err(1, "pledge");
+       }
+
        init_bmachine(extended_regs);
        (void)setvbuf(stdout, NULL, _IOLBF, 0);
        (void)setvbuf(stderr, NULL, _IOLBF, 0);
@@ -109,9 +114,6 @@ dc_main(int argc, char *argv[])
                 return (0);
        }
 
-       if (pledge("stdio", NULL) == -1)
-               err(1, "pledge");
-
        src_setstream(&src, stdin);
        reset_bmachine(&src);
        eval();