MGMDB/MySQL/mf_loadpath.c

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2011-10-02 20:48:43 -05:00
/* 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>
/* 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 */
char * my_load_path(char * 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(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 */