mf_fn_ext.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:2k
- /* 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; either version 2 of the License, 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 "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.
- */
- 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=strchr(gpos,FN_EXTCHAR);
- DBUG_RETURN (pos ? pos : strend(gpos));
- } /* fn_ext */