1 /* concat3.c: concatenate three strings.
2
3 Copyright 1992, 2008 Karl Berry.
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public License
16 along with this library; if not, see <http://www.gnu.org/licenses/>. */
17
18 #include <kpathsea/config.h>
19
20
21 string
concat3(const_string s1,const_string s2,const_string s3)22 concat3 (const_string s1, const_string s2, const_string s3)
23 {
24 int s2l = s2 ? strlen (s2) : 0;
25 int s3l = s3 ? strlen (s3) : 0;
26 string answer
27 = (string) xmalloc (strlen(s1) + s2l + s3l + 1);
28 strcpy (answer, s1);
29 if (s2) strcat (answer, s2);
30 if (s3) strcat (answer, s3);
31
32 return answer;
33 }
34