mf_loadpath.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 */
- #include "mysys_priv.h"
- #include <m_string.h>
- /* Returns full load-path for a file. to may be = path */
- /* if path is a hard-path return path */
- /* if path starts with home-dir return path */
- /* if path starts with current dir or parent-dir unpack path */
- /* if there is no path, prepend with own_path_prefix if given */
- /* else unpack path according to current dir */
- my_string my_load_path(my_string to, const char *path,
- const char *own_path_prefix)
- {
- char buff[FN_REFLEN];
- DBUG_ENTER("my_load_path");
- DBUG_PRINT("enter",("path: %s prefix: %s",path,
- own_path_prefix ? own_path_prefix : ""));
- if ((path[0] == FN_HOMELIB && path[1] == FN_LIBCHAR) ||
- test_if_hard_path(path))
- VOID(strmov(buff,path));
- else if ((path[0] == FN_CURLIB && path[1] == FN_LIBCHAR) ||
- (is_prefix((gptr) path,FN_PARENTDIR) &&
- path[strlen(FN_PARENTDIR)] == FN_LIBCHAR) ||
- ! own_path_prefix)
- {
- if (! my_getwd(buff,(uint) (FN_REFLEN-strlen(path)),MYF(0)))
- VOID(strcat(buff,path));
- else
- VOID(strmov(buff,path));
- }
- else
- VOID(strxmov(buff,own_path_prefix,path,NullS));
- strmov(to,buff);
- DBUG_PRINT("exit",("to: %s",to));
- DBUG_RETURN(to);
- } /* my_load_path */