mf_fn_ext.c
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:2k
- /* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
-
- 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 2 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 */
- /* Returnerar en pekare till filnamnets extension. */
- #include "mysys_priv.h"
- #include <m_string.h>
- /* Return a pointerto the extension of the filename
- The pointer points at the extension character (normally '.'))
- If there isn't any extension, the pointer points at the end
- NULL of the filename
- */
- my_string fn_ext(const char *name)
- {
- register my_string pos,gpos;
- DBUG_ENTER("fn_ext");
- DBUG_PRINT("mfunkt",("name: '%s'",name));
- #if defined(FN_DEVCHAR) || defined(FN_C_AFTER_DIR)
- {
- char buff[FN_REFLEN];
- gpos=(my_string) name+dirname_part(buff,(char*) name);
- }
- #else
- if (!(gpos=strrchr(name,FNLIBCHAR)))
- gpos=name;
- #endif
- pos=strrchr(gpos,FN_EXTCHAR);
- DBUG_RETURN (pos ? pos : strend(gpos));
- } /* fn_ext */