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kpathsea
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make-suffix.c
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C/C++ Source or Header
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1995-06-25
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1KB
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45 lines
/* make_suffix.c: unconditionally add a filename suffix.
Copyright (C) 1992, 93 Free Software Foundation, Inc.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <kpathsea/config.h>
/* Return a new string: S suffixed with SUFFIX, regardless of what it
was before. This returns a newly allocated string. */
string
make_suffix P2C(const_string, s, const_string, suffix)
{
string new_s;
const_string dot_pos = strrchr (s, '.');
const_string slash_pos = strrchr (s, '/');
if (dot_pos == NULL || dot_pos < slash_pos)
new_s = concat3 (s, ".", suffix);
else
{
unsigned past_dot_index = dot_pos + 1 - s;
new_s = (string) xmalloc (past_dot_index + strlen (suffix) + 1);
strncpy (new_s, s, dot_pos + 1 - s);
strcpy (new_s + past_dot_index, suffix);
}
return new_s;
}