/*
 * Copyright (c) 1995, 1996 Gunther Schadow.  All rights reserved.
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "pg_config.h"
#include "fileutil.h"
#include <string.h>

char *strrstr(const char*, const char*);

char *basename(char *path, char *suffix)
{
  char *basename, *end;
  basename = strrchr(path, '/');
  if(basename == NULL)
    basename = path;
  else
    basename++;

  if(suffix != NULL)
    {
      end = strrstr(basename, suffix);
      if(end != NULL)
	*end = '\0';
    }

  return basename;
}

char *dirname(char *path, int striplevel)
{
  do
    {
      char *end = strrchr(path, '/');

      if(end == path && striplevel == 0)
	if(end[1] != '\0')
	  {
	    path[1] = '\0';
	    return path;
	  }
        else
	  return NULL;
      else if(end == NULL)
	return NULL;
      else
	*end = 0;
    }
  while(striplevel-- > 0);
  
  return path;
}