xref: /external/syslinux/gpxe/src/core/basename.c

/*
 * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
 *
 * 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 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.
 */

FILE_LICENCE ( GPL2_OR_LATER );

/**
 * @file
 *
 * Get base name of path
 *
 */

#include <string.h>
#include <libgen.h>

/**
 * Return base name from path
 *
 * @v path		Full path
 * @ret basename	Base name
 */
char * basename ( char *path ) {
	char *basename;

	basename = strrchr ( path, '/' );
	return ( basename ? ( basename + 1 ) : path );
}

/**
 * Return directory name from path
 *
 * @v path		Full path
 * @ret dirname		Directory name
 *
 * Note that this function may modify its argument.
 */
char * dirname ( char *path ) {
	char *separator;

	separator = strrchr ( path, '/' );
	if ( separator == path ) {
		return "/";
	} else if ( separator ) {
		*separator = 0;
		return path;
	} else {
		return ".";
	}
}