X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/565a33db8fd3fd26aabca0a93693b266667ee6f3..d18f45311a8290ae86dd4a120f02c9d35c29970b:/src/location.h

diff --git a/src/location.h b/src/location.h
index 7e8fe61e..5a2d64a3 100644
--- a/src/location.h
+++ b/src/location.h
@@ -49,23 +49,27 @@ do {						\
 } while (0)
 
 
-/* Output LOC on the stream OUT. */
+/* Output LOC on the stream OUT.
+   Warning: it uses quotearg's slot 3.  */
 # define LOCATION_PRINT(Out, Loc)					\
 do {									\
-  fprintf (stderr, "%s:", quotearg_style (escape_quoting_style, 	\
-					  (Loc).file));			\
-  if ((Loc).first_line != (Loc).last_line)				\
-    fprintf (Out, "%d.%d-%d.%d",					\
-             (Loc).first_line, (Loc).first_column,			\
-             (Loc).last_line, (Loc).last_column - 1);			\
-  else if ((Loc).first_column < (Loc).last_column - 1)			\
-    fprintf (Out, "%d.%d-%d", (Loc).first_line,				\
-             (Loc).first_column, (Loc).last_column - 1);		\
-  else									\
-    fprintf (Out, "%d.%d", (Loc).first_line, (Loc).first_column);	\
+  fprintf (stderr, "%s:", quotearg_n_style (3, escape_quoting_style,	\
+					    (Loc).file));		\
+  if ((Loc).first_line)							\
+    {									\
+      if ((Loc).first_line != (Loc).last_line)				\
+	fprintf (Out, "%d.%d-%d.%d",					\
+		 (Loc).first_line, (Loc).first_column,			\
+		 (Loc).last_line, (Loc).last_column - 1);		\
+      else if ((Loc).first_column < (Loc).last_column - 1)		\
+	fprintf (Out, "%d.%d-%d", (Loc).first_line,			\
+		 (Loc).first_column, (Loc).last_column - 1);		\
+      else								\
+	fprintf (Out, "%d.%d", (Loc).first_line, (Loc).first_column);	\
+  }									\
 } while (0)
 
 
-
 extern location_t empty_location;
+
 #endif /* !LOCATION_H_ */