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tetex-bin  3.0
extend-fname.c
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00001 /* extend-fname.c: give a filename a suffix, if necessary.
00002 
00003 Copyright (C) 1992, 93 Free Software Foundation, Inc.
00004 
00005 This library is free software; you can redistribute it and/or
00006 modify it under the terms of the GNU Library General Public
00007 License as published by the Free Software Foundation; either
00008 version 2 of the License, or (at your option) any later version.
00009 
00010 This library is distributed in the hope that it will be useful,
00011 but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 Library General Public License for more details.
00014 
00015 You should have received a copy of the GNU Library General Public
00016 License along with this library; if not, write to the Free Software
00017 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
00018 
00019 #include <kpathsea/config.h>
00020 
00021 
00022 /* We may or may not return NAME.  It's up to the caller not to assume
00023    the return value is modifiable.  */
00024 
00025 string 
00026 extend_filename P2C(const_string, name, const_string, default_suffix)
00027 {
00028   string new_s;
00029   const_string suffix = find_suffix (name);
00030 
00031   new_s = suffix == NULL ? concat3 (name, ".", default_suffix)
00032                          : (string) name;
00033   return new_s;
00034 }