isprefix.c

rsync的核心代码库。主要作用是比较二进制文件

/*= -*- c-basic-offset: 4; indent-tabs-mode: nil; -*-
 * librsync -- dynamic caching and delta update in HTTP
 * $Id: isprefix.c,v 1.5 2001/03/05 07:09:37 mbp Exp $
 * 
 * Copyright (C) 2000, 2001 by Martin Pool <[e-mail]>
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */


#include "isprefix.h"

/**
 * Return true if TIP is a prefix of ICEBERG.
 */
int
isprefix(char const *tip, char const *iceberg)
{
    while (*tip) {
	if (*tip != *iceberg)
	    return 0;
	tip++; iceberg++;
    }

    return 1;
}