~drizzle-trunk/drizzle/development

1 by brian
clean slate
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/* Copyright (C) 2000 MySQL AB
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; version 2 of the License.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
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#include "mysys_priv.h"
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#include <m_string.h>
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	/* Returns full load-path for a file. to may be = path */
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	/* if path is a hard-path return path */
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	/* if path starts with home-dir return path */
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	/* if path starts with current dir or parent-dir unpack path */
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	/* if there is no path, prepend with own_path_prefix if given */
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	/* else unpack path according to current dir */
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char * my_load_path(char * to, const char *path,
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		       const char *own_path_prefix)
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{
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  char buff[FN_REFLEN];
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  int is_cur;
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  DBUG_ENTER("my_load_path");
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  DBUG_PRINT("enter",("path: %s  prefix: %s",path,
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		      own_path_prefix ? own_path_prefix : ""));
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  if ((path[0] == FN_HOMELIB && path[1] == FN_LIBCHAR) ||
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      test_if_hard_path(path))
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    VOID(strmov(buff,path));
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  else if ((is_cur=(path[0] == FN_CURLIB && path[1] == FN_LIBCHAR)) ||
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	   (is_prefix(path,FN_PARENTDIR)) ||
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	   ! own_path_prefix)
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  {
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    if (is_cur)
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      is_cur=2;					/* Remove current dir */
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    if (! my_getwd(buff,(uint) (FN_REFLEN-strlen(path)+is_cur),MYF(0)))
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      VOID(strcat(buff,path+is_cur));
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    else
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      VOID(strmov(buff,path));			/* Return org file name */
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  }
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  else
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    VOID(strxmov(buff,own_path_prefix,path,NullS));
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  strmov(to,buff);
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  DBUG_PRINT("exit",("to: %s",to));
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  DBUG_RETURN(to);
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} /* my_load_path */