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/* extend-fname.c: give a filename a suffix, if necessary.
Copyright 1992, 1993, 2008, 2011 Karl Berry.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, see <http://www.gnu.org/licenses/>. */
#include <kpathsea/config.h>
const_string
extend_filename (const_string name, const_string default_suffix)
{
const_string new_s;
const_string suffix = find_suffix (name);
new_s = suffix == NULL ? concat3 (name, ".", default_suffix)
: name;
return new_s;
}
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