X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/ceed8467b7db3615d3c9bfa9f3e5525d54c6a161..e02cf9e74ab3880a3f47381c69ae27e3624caedb:/src/system.h

diff --git a/src/system.h b/src/system.h
index 9c8ac08e..82d31c57 100644
--- a/src/system.h
+++ b/src/system.h
@@ -24,6 +24,8 @@
 
 #include <stdio.h>
 
+#include <assert.h>
+
 #ifdef MSDOS
 # include <io.h>
 #endif
@@ -34,18 +36,14 @@
 # define getpid _getpid
 #endif
 
-#if defined(HAVE_STDLIB_H) || defined(MSDOS)
+#if HAVE_STDLIB_H
 # include <stdlib.h>
 #endif
 
-#if defined(HAVE_UNISTD_H)
+#if HAVE_UNISTD_H
 # include <unistd.h>
 #endif
 
-#if (defined(VMS) || defined(MSDOS)) && !defined(HAVE_STRING_H)
-# define HAVE_STRING_H 1
-#endif
-
 #if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
 # include <string.h>
 /* An ANSI string.h and pre-ANSI memory.h might conflict.  */
@@ -69,6 +67,11 @@
 extern int errno;
 #endif
 
+#if PROTOTYPES
+# define PARAMS(p) p
+#else
+# define PARAMS(p) ()
+#endif
 
 /*-----------------.
 | GCC extensions.  |
@@ -147,3 +150,14 @@ extern int errno;
 #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)
+
+
+/*-----------.
+| Booleans.  |
+`-----------*/
+
+#ifndef TRUE
+# define TRUE	(1)
+# define FALSE	(0)
+#endif
+typedef int bool;