* src/system.h (LIST_FREE, shortcpy): New.

[bison.git] / src / system.h

diff --git a/src/system.h b/src/system.h
index f57247897e84dc15c12e301de369472de53d58a6..b8a73edbdc27effa05559fc53000a395976277f6 100644 (file)
--- a/src/system.h
+++ b/src/system.h
@@ -40,6 +40,18 @@
 # include <stdlib.h>
 #endif
 
+/* The following test is to work around the gross typo in
+   systems like Sony NEWS-OS Release 4.0C, whereby EXIT_FAILURE
+   is defined to 0, not 1.  */
+#if !EXIT_FAILURE
+# undef EXIT_FAILURE
+# define EXIT_FAILURE 1
+#endif
+
+#ifndef EXIT_SUCCESS
+# define EXIT_SUCCESS 0
+#endif
+
 #if HAVE_UNISTD_H
 # include <unistd.h>
 #endif
@@ -73,7 +85,7 @@ extern int errno;
 # define PARAMS(p) ()
 #endif
 
-
+# include "xalloc.h"
 
 /*---------------------.
 | Missing prototypes.  |
@@ -126,10 +138,13 @@ size_t strnlen PARAMS ((const char *s, size_t maxlen));
 # include <libintl.h>
 # define _(Text) gettext (Text)
 #else
-# undef bindtextdomain
+# undef  bindtextdomain
 # define bindtextdomain(Domain, Directory)
-# undef textdomain
+# undef  textdomain
 # define textdomain(Domain)
+# undef  ngettext
+# define ngettext(Singular, Plural, Number)   \
+         ((Number == 1) ? Singular : Plural)
 # define _(Text) Text
 #endif
 #define N_(Text) Text
@@ -143,8 +158,6 @@ size_t strnlen PARAMS ((const char *s, size_t maxlen));
 # define LOCALEDIR "/usr/local/share/locale"
 #endif
 
-#endif  /* BISON_SYSTEM_H */
-
 
 /*-----------.
 | Booleans.  |
@@ -161,9 +174,9 @@ typedef int bool;
 | Obstacks.  |
 `-----------*/
 
-#define obstack_chunk_alloc xmalloc
-#define obstack_chunk_free  free
-#include "obstack.h"
+# define obstack_chunk_alloc xmalloc
+# define obstack_chunk_free  free
+# include "obstack.h"
 
 #define obstack_sgrow(Obs, Str) \
   obstack_grow (Obs, Str, strlen (Str))
@@ -264,3 +277,30 @@ do {                                                               \
 #  define BISON_HAIRY "c:/usr/local/lib/bison.hairy"
 # endif
 #endif
+
+
+/* As memcpy, but for shorts.  */
+#define shortcpy(Dest, Src, Num) \
+  memcpy (Dest, Src, Num * sizeof (short))
+
+/* Free a linked list. */
+#define LIST_FREE(Type, List)                  \
+do {                                           \
+  Type *_node, *_next;                         \
+  for (_node = List; _node; _node = _next)     \
+    {                                          \
+      _next = _node->next;                     \
+      XFREE (_node);                           \
+    }                                          \
+} while (0)
+
+/*---------------------------------.
+| Debugging the memory allocator.  |
+`---------------------------------*/
+
+# if WITH_DMALLOC
+#  define DMALLOC_FUNC_CHECK
+#  include <dmalloc.h>
+# endif /* WITH_DMALLOC */
+
+#endif  /* BISON_SYSTEM_H */