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