diff options
Diffstat (limited to 'dc/dc-regdef.h')
| -rw-r--r-- | dc/dc-regdef.h | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/dc/dc-regdef.h b/dc/dc-regdef.h index 540268c..af64082 100644 --- a/dc/dc-regdef.h +++ b/dc/dc-regdef.h @@ -1,7 +1,7 @@ -/* +/* * definitions for dc's "register" declarations * - * Copyright (C) 1994 Free Software Foundation, Inc. + * Copyright (C) 1994, 2000 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 @@ -18,22 +18,21 @@ * program's author (see below) or write to: * * The Free Software Foundation, Inc. - * 59 Temple Place, Suite 330 - * Boston, MA 02111 USA + * 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1301 USA */ #ifdef HAVE_LIMITS_H # include <limits.h> /* UCHAR_MAX */ #endif +#ifndef UCHAR_MAX +# define UCHAR_MAX ((unsigned char)~0) +#endif /* determine how many register stacks there are */ #ifndef DC_REGCOUNT -# ifndef UCHAR_MAX -# define DC_REGCOUNT 256 -# else -# define DC_REGCOUNT (UCHAR_MAX+1) -# endif -#endif /* not DC_REGCOUNT */ +# define DC_REGCOUNT (UCHAR_MAX+1) +#endif /* efficiency hack for masking arbritrary integers to 0..(DC_REGCOUNT-1) */ #if (DC_REGCOUNT & (DC_REGCOUNT-1)) == 0 /* DC_REGCOUNT is power of 2 */ |