mf_loadpath.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>
- /* 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];
- int is_cur;
- 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 ((is_cur=(path[0] == FN_CURLIB && path[1] == FN_LIBCHAR)) ||
- (is_prefix((gptr) path,FN_PARENTDIR)) ||
- ! own_path_prefix)
- {
- if (is_cur)
- is_cur=2; /* Remove current dir */
- if (! my_getwd(buff,(uint) (FN_REFLEN-strlen(path)+is_cur),MYF(0)))
- VOID(strcat(buff,path+is_cur));
- else
- VOID(strmov(buff,path)); /* Return org file name */
- }
- else
- VOID(strxmov(buff,own_path_prefix,path,NullS));
- strmov(to,buff);
- DBUG_PRINT("exit",("to: %s",to));
- DBUG_RETURN(to);
- } /* my_load_path */