1 /* make-suffix.c: unconditionally add a filename suffix.
3 Copyright 1992, 1993, 1995, 2008 Karl Berry.
4 Copyright 2001, 2005 Olaf Weber.
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with this library; if not, see <http://www.gnu.org/licenses/>. */
19 #include <kpathsea/config.h>
20 #include <kpathsea/c-pathch.h>
22 /* Return a new string: S suffixed with SUFFIX, regardless of what it
23 was before. This returns a newly allocated string. */
26 make_suffix P2C(const_string, s, const_string, suffix)
29 const_string dot_pos = strrchr (s, '.');
30 const_string slash_pos;
32 for (slash_pos = s + strlen (s) - 1; slash_pos > dot_pos && slash_pos > s;
34 if (IS_DIR_SEP (*slash_pos))
38 if (dot_pos == NULL || slash_pos > dot_pos )
39 new_s = concat3 (s, ".", suffix);
42 unsigned past_dot_index = dot_pos + 1 - s;
44 new_s = (string)xmalloc (past_dot_index + strlen (suffix) + 1);
45 strncpy (new_s, s, dot_pos + 1 - s);
46 strcpy (new_s + past_dot_index, suffix);