~drizzle-trunk/drizzle/development

1 by brian
clean slate
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/* Copyright (C) 2000 MySQL AB
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; version 2 of the License.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
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#include "mysys_priv.h"
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#include <m_string.h>
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/*
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  Return a pointer to the extension of the filename.
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  SYNOPSIS
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    fn_ext()
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    name		Name of file
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  DESCRIPTION
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    The extension is defined as everything after the first extension character
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    (normally '.') after the directory name.
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  RETURN VALUES
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    Pointer to to the extension character. If there isn't any extension,
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    points at the end ASCII(0) of the filename.
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*/
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char *fn_ext(const char *name)
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{
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  register const char *pos, *gpos;
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  DBUG_ENTER("fn_ext");
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  DBUG_PRINT("mfunkt",("name: '%s'",name));
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#if defined(FN_DEVCHAR) || defined(FN_C_AFTER_DIR) || defined(BASKSLASH_MBTAIL)
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  {
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    char buff[FN_REFLEN];
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    size_t res_length;
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    gpos= name+ dirname_part(buff,(char*) name, &res_length);
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  }
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#else
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  if (!(gpos= strrchr(name, FN_LIBCHAR)))
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    gpos= name;
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#endif
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  pos=strchr(gpos,FN_EXTCHAR);
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  DBUG_RETURN((char*) (pos ? pos : strend(gpos)));
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} /* fn_ext */