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/* extend-fname.c: give a filename a suffix, if necessary.
Copyright (C) 1992, 1993, 2011 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 3 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "config.h"
/* We may or may not return NAME. It's up to the caller not to assume
the return value is modifiable. */
string
extend_filename P2C(const_string, name, const_string, default_suffix)
{
string new_s;
const_string suffix = find_suffix (name);
new_s = suffix == NULL ? concat3 (name, ".", default_suffix)
: (string) name;
return new_s;
}
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