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