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File: util.c

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funionfs 0.4.3-6
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/*
    FUNIONFS: UNIONFS over FUSE Usermode filesystem
    Copyright (C) 2005-2006  Stephane APIOU <stephane.apiou@free.fr>

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

#include <string.h>

int
getrightstr(char *str, char *substr)
{
	char *pend, *psend;

	pend = str + strlen(str) - 1;
	psend = substr + strlen(substr) - 1;

	if (strlen(substr) > strlen(str))
		return 0;

	while (psend >= substr)
	{
		if (*pend != *psend)
			break;
		pend--;
		psend--;
	}
	if (psend < substr)
		return strlen(substr);
	return 0;
}