cppfiles.c (stack_file): Correctly pass return_at_eof parameter to cpp_push_buffer.

	* cppfiles.c (stack_file):  Correctly pass return_at_eof parameter
	to cpp_push_buffer.
	* cpplex.c (_cpp_get_fresh_line):  Don't buffer->prev - handled
	by return_at_eof check.  Always call _cpp_pop_buffer at end.

From-SVN: r70646

gcc/ChangeLog

+2003-08-21  Per Bothner  <bothner@pbothner.com>
+
+	* cppfiles.c (stack_file):  Correctly pass return_at_eof parameter
+	to cpp_push_buffer.
+	* cpplex.c (_cpp_get_fresh_line):  Don't buffer->prev - handled
+	by return_at_eof check.  Always call _cpp_pop_buffer at end.
+
 2003-08-21  Kazu Hirata  <kazu@cs.umass.edu>
 
 	PR target/11805

gcc/cppfiles.c

@@ -615,7 +615,8 @@ stack_file (cpp_reader *pfile, _cpp_file *file, bool import)
 
   /* Stack the buffer.  */
   buffer = cpp_push_buffer (pfile, file->buffer, file->st.st_size,
-			    CPP_OPTION (pfile, preprocessed), 0);
+			    CPP_OPTION (pfile, preprocessed),
+			    ! pfile->buffer);
   buffer->file = file;
 
   /* Initialize controlling macro state.  */

gcc/cpplex.c

@@ -719,9 +719,6 @@ _cpp_get_fresh_line (cpp_reader *pfile)
 			       "no newline at end of file");
 	}
  
-      if (!buffer->prev)
-	return false;
-
       if (buffer->return_at_eof)
 	{
 	  _cpp_pop_buffer (pfile);