2007-02-07 Paolo Bonzini <bonzini@gnu.org>

[bison.git] / src / system.h

diff --git a/src/system.h b/src/system.h
index c1c45b49f2d57ff95ffff20a863c8c78c6d3b2a0..985bbbeed46349fc647588596e95d03df8418a67 100644 (file)
--- a/src/system.h
+++ b/src/system.h
@@ -1,6 +1,6 @@
 /* System-dependent definitions for Bison.
 
-   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free
+   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free
    Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
@@ -41,45 +41,29 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "unlocked-io.h"
-
 #if HAVE_SYS_TYPES_H
 # include <sys/types.h>
 #endif
 
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#if HAVE_INTTYPES_H
-# include <inttypes.h>
-#endif
-#if HAVE_STDINT_H
-# include <stdint.h>
-#endif
+#include <unistd.h>
+#include <inttypes.h>
 
-#if ! HAVE_UINTPTR_T
+#ifndef UINTPTR_MAX
 /* This isn't perfect, but it's good enough for Bison, which needs
    only to hash pointers.  */
 typedef size_t uintptr_t;
 #endif
 
-#include <assert.h>
 
+/*---------.
+| Gnulib.  |
+`---------*/
+
+#include <unlocked-io.h>
 #include <verify.h>
 #include <xalloc.h>
 
 
-/*---------------------.
-| Missing prototypes.  |
-`---------------------*/
-
-#include <stpcpy.h>
-
-/* From lib/basename.c. */
-char *base_name (char const *name);
-
-
 /*-----------------.
 | GCC extensions.  |
 `-----------------*/
@@ -94,8 +78,8 @@ char *base_name (char const *name);
 
 #ifndef __attribute__
 /* This feature is available in gcc versions 2.5 and later.  */
-# if !defined (__GNUC__) || __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
 #endif
@@ -115,6 +99,8 @@ char *base_name (char const *name);
 # define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
 #endif
 
+#define FUNCTION_PRINT() fprintf (stderr, "%s: ", __func__)
+
 /*------.
 | NLS.  |
 `------*/
@@ -126,15 +112,6 @@ char *base_name (char const *name);
 #define N_(Msgid) (Msgid)
 
 
-/*-------------------------------.
-| Fix broken compilation flags.  |
-`-------------------------------*/
-
-#ifndef LOCALEDIR
-# define LOCALEDIR "/usr/local/share/locale"
-#endif
-
-
 /*-----------.
 | Booleans.  |
 `-----------*/
@@ -142,6 +119,21 @@ char *base_name (char const *name);
 #include <stdbool.h>
 
 
+
+/*-------------.
+| Assertions.  |
+`-------------*/
+
+/* <assert.h>'s assertions are too heavyweight, and can be disabled
+   too easily, so use aver rather than assert.  */
+static inline void
+aver (bool assertion)
+{
+  if (! assertion)
+    abort ();
+}
+
+
 /*-----------.
 | Obstacks.  |
 `-----------*/