X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/22312b71e01f67b5d0462e3d2a0ea986c88c279b..914feea9d07b0a53ee958e8df755addb97196913:/src/system.h

diff --git a/src/system.h b/src/system.h
index abe02762..f770b8f4 100644
--- a/src/system.h
+++ b/src/system.h
@@ -1,5 +1,5 @@
 /* system-dependent definitions for Bison.
-   Copyright 2000, 2001  Free Software Foundation, Inc.
+   Copyright 2000, 2001, 2002  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
@@ -81,10 +81,12 @@ char *alloca ();
 # endif
 #endif
 
-#if PROTOTYPES
-# define PARAMS(p) p
-#else
-# define PARAMS(p) ()
+#ifndef PARAMS
+# if defined PROTOTYPES || defined __STDC__
+#  define PARAMS(Args) Args
+# else
+#  define PARAMS(Args) ()
+# endif
 #endif
 
 # include "xalloc.h"
@@ -132,7 +134,8 @@ void *memrchr PARAMS ((const void *s, int c, size_t n));
 
 #ifndef __attribute__
 /* This feature is available in gcc versions 2.5 and later.  */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+# if !defined (__GNUC__) || __GNUC__ < 2 || \
+(__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
 #  define __attribute__(Spec) /* empty */
 # endif
 /* The __-protected variants of `format' and `printf' attributes
@@ -233,20 +236,14 @@ do {								\
 #endif
 
 #if defined (MSDOS) && !defined (__GO32__)
-# define	BITS_PER_WORD	16
 # define MAXTABLE	16383
 #else
-# define	BITS_PER_WORD	32
 # define MAXTABLE	32767
 #endif
 
-#define	WORDSIZE(n)	(((n) + BITS_PER_WORD - 1) / BITS_PER_WORD)
-#define	SETBIT(x, i)	((x)[(i)/BITS_PER_WORD] |= (1<<((i) % BITS_PER_WORD)))
-#define RESETBIT(x, i)	((x)[(i)/BITS_PER_WORD] &= ~(1<<((i) % BITS_PER_WORD)))
-#define BITISSET(x, i)	(((x)[(i)/BITS_PER_WORD] & (1<<((i) % BITS_PER_WORD))) != 0)
-
-
-/* Extensions to use for the output files. */
+/*-----------------------------------------.
+| Extensions to use for the output files.  |
+`-----------------------------------------*/
 
 #ifdef VMS
   /* VMS. */
@@ -270,30 +267,23 @@ do {								\
 # endif /* ! MSDOS */
 #endif /* ! VMS */
 
-#if defined (VMS) & !defined (__VMS_POSIX)
-# ifndef BISON_SIMPLE
-#  define BISON_SIMPLE "GNU_BISON:[000000]BISON.SIMPLE"
-# endif
-# ifndef BISON_HAIRY
-#  define BISON_HARIRY "GNU_BISON:[000000]BISON.HAIRY"
-# endif
+#ifndef DEFAULT_TMPDIR
+# define DEFAULT_TMPDIR "/tmp"
 #endif
 
-#if defined (_MSC_VER)
-# ifndef BISON_SIMPLE
-#  define BISON_SIMPLE "c:/usr/local/lib/bison.simple"
-# endif
-# ifndef BISON_HAIRY
-#  define BISON_HAIRY "c:/usr/local/lib/bison.hairy"
-# endif
-#endif
 
 
-/* As memcpy, but for shorts.  */
+/*----------------------------.
+| As memcpy, but for shorts.  |
+`----------------------------*/
+
 #define shortcpy(Dest, Src, Num) \
   memcpy (Dest, Src, Num * sizeof (short))
 
-/* Free a linked list. */
+/*---------------------.
+| Free a linked list.  |
+`---------------------*/
+
 #define LIST_FREE(Type, List)			\
 do {						\
   Type *_node, *_next;				\
@@ -304,9 +294,10 @@ do {						\
     }						\
 } while (0)
 
-/*---------------------------------.
-| Debugging the memory allocator.  |
-`---------------------------------*/
+
+/*---------------------------------------------.
+| Debugging memory allocation (must be last).  |
+`---------------------------------------------*/
 
 # if WITH_DMALLOC
 #  define DMALLOC_FUNC_CHECK