(expand): Don't assume that isprint etc. return

booleans (needed for pre-C99 hosts).

diff --git a/src/expand.c b/src/expand.c
index b1b1004..5645203 100644 (file)
--- a/src/expand.c
+++ b/src/expand.c
@@ -1,5 +1,5 @@
 /* expand - convert tabs to spaces
-   Copyright (C) 89, 91, 1995-2005 Free Software Foundation, Inc.
+   Copyright (C) 89, 91, 1995-2006 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -157,7 +157,7 @@ parse_tab_stops (char const *stops)
 
   for (; *stops; stops++)
     {
-      if (*stops == ',' || ISBLANK (to_uchar (*stops)))
+      if (*stops == ',' || isblank (to_uchar (*stops)))
        {
          if (have_tabval)
            add_tab_stop (tabval);
@@ -352,7 +352,7 @@ expand (void)
                    error (EXIT_FAILURE, 0, _("input line is too long"));
                }
 
-             convert &= convert_entire_line | ISBLANK (c);
+             convert &= convert_entire_line | !! isblank (c);
            }
 
          if (c < 0)