* src/output.c (output_rule_data): Don't output NULL, it might

[bison.git] / src / output.c

diff --git a/src/output.c b/src/output.c
index 702f0cb18bf8f95608f8e0e79013272fb1f8be0f..5f5341f7472bf92fb5d6a34487cb8141d959fbb4 100644 (file)
--- a/src/output.c
+++ b/src/output.c
@@ -275,8 +275,9 @@ output_rule_data (void)
       obstack_sgrow (&format_obstack, ", ");
       j += strsize;
     }
-  /* add a NULL entry to list of tokens */
-  obstack_sgrow (&format_obstack, "NULL");
+  /* Add a NULL entry to list of tokens (well, 0, as NULL might not be
+     defined).  */
+  obstack_sgrow (&format_obstack, "0");
 
   /* Finish table and store. */
   obstack_1grow (&format_obstack, 0);