~drizzle-trunk/drizzle/development

/* Copyright (C) 2000 MySQL AB

   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; version 2 of the License.

   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 "mysys_priv.h"

#include <m_string.h>

/*

  Return a pointer to the extension of the filename.

  SYNOPSIS

    fn_ext()

    name		Name of file

  DESCRIPTION

    The extension is defined as everything after the first extension character

    (normally '.') after the directory name.

  RETURN VALUES

    Pointer to to the extension character. If there isn't any extension,

    points at the end ASCII(0) of the filename.

*/

char *fn_ext(const char *name)

{

  register const char *pos, *gpos;

  DBUG_ENTER("fn_ext");

  DBUG_PRINT("mfunkt",("name: '%s'",name));

#if defined(FN_DEVCHAR) || defined(FN_C_AFTER_DIR) || defined(BASKSLASH_MBTAIL)

  {

    char buff[FN_REFLEN];

    size_t res_length;

    gpos= name+ dirname_part(buff,(char*) name, &res_length);

  }

#else

  if (!(gpos= strrchr(name, FN_LIBCHAR)))

    gpos= name;

#endif

  pos=strchr(gpos,FN_EXTCHAR);

  DBUG_RETURN((char*) (pos ? pos : strend(gpos)));

} /* fn_ext */