1/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. 2 Written by James Clark (jjc@jclark.com) 3 4This file is part of groff. 5 6groff is free software; you can redistribute it and/or modify it under 7the terms of the GNU General Public License as published by the Free 8Software Foundation; either version 2, or (at your option) any later 9version. 10 11groff is distributed in the hope that it will be useful, but WITHOUT ANY 12WARRANTY; without even the implied warranty of MERCHANTABILITY or 13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14for more details. 15 16You should have received a copy of the GNU General Public License along 17with groff; see the file COPYING. If not, write to the Free Software 18Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */ 19 20#include <string.h> 21 22extern char *strsave(const char *); 23 24extern const char *current_filename; 25extern int current_lineno; 26 27void change_filename(const char *f) 28{ 29 if (current_filename != 0 && strcmp(current_filename, f) == 0) 30 return; 31 current_filename = strsave(f); 32} 33 34void change_lineno(int ln) 35{ 36 current_lineno = ln; 37} 38