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- /* concatn.c: Concatenate an arbitrary number of strings.
-
- Copyright (C) 1993 Karl Berry.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include <kpathsea/config.h>
-
- #include <kpathsea/concatn.h>
-
-
- /* OK, it would be epsilon more efficient to compute the total length
- and then do the copying ourselves, but I doubt it matters in reality. */
-
- string
- concatn PVAR1C(const_string, str1, ap)
- {
- string arg;
- string ret;
-
- if (!str1)
- return NULL;
-
- ret = xstrdup (str1);
-
- while ((arg = va_arg (ap, string)) != NULL)
- {
- ret = concat (ret, arg);
- }
- va_end (ap);
-
- return ret;
- }}
-
- #ifdef TEST
- int
- main ()
- {
- printf ("null = \"%s\"\n", concatn (NULL));
- printf ("\"a\" = \"%s\"\n", concatn ("a", NULL));
- printf ("\"ab\" = \"%s\"\n", concatn ("a", "b", NULL));
- printf ("\"abc\" = \"%s\"\n", concatn ("a", "b", "c", NULL));
- printf ("\"abcd\" = \"%s\"\n", concatn ("ab", "cd", NULL));
- printf ("\"abcde\" = \"%s\"\n", concatn ("ab", "c", "de", NULL));
- printf ("\"abcdef\" = \"%s\"\n", concatn ("", "a", "", "bcd", "ef", NULL));
- return 0;
- }
-
- #endif /* TEST */
-
-
- /*
- Local variables:
- standalone-compile-command: "gcc -posix -g -I. -I.. -DTEST concatn.c kpathsea.a"
- End:
- */
-