obstacks: simplifications

[bison.git] / src / flex-scanner.h

diff --git a/src/flex-scanner.h b/src/flex-scanner.h
index f27938dc6253bbfb51eaefa388419eb6f52dfb43..c1e07eae0b2e67b8bded18ad7fad25779454ff28 100644 (file)
--- a/src/flex-scanner.h
+++ b/src/flex-scanner.h
@@ -34,7 +34,7 @@
                        && Subminor < YY_FLEX_SUBMINOR_VERSION))))))
 
 /* Pacify "gcc -Wmissing-prototypes" when flex 2.5.31 is used.  */
-# if ! FLEX_VERSION_GT (2, 5, 31)
+#if ! FLEX_VERSION_GT (2, 5, 31)
 int   FLEX_PREFIX (get_lineno) (void);
 FILE *FLEX_PREFIX (get_in) (void);
 FILE *FLEX_PREFIX (get_out) (void);
@@ -82,16 +82,13 @@ int   FLEX_PREFIX (lex_destroy) (void);
 
 static struct obstack obstack_for_string;
 
-#define STRING_GROW   \
+# define STRING_GROW                                    \
   obstack_grow (&obstack_for_string, yytext, yyleng)
 
-#define STRING_FINISH                                  \
-  do {                                                 \
-    obstack_1grow (&obstack_for_string, '\0');         \
-    last_string = obstack_finish (&obstack_for_string);        \
-  } while (0)
+# define STRING_FINISH                                  \
+  (last_string = obstack_finish0 (&obstack_for_string))
 
-#define STRING_FREE \
+# define STRING_FREE                                    \
   obstack_free (&obstack_for_string, last_string)
 
 #endif