/***********************************************************************

*                                                                      *

*               This software is part of the ast package               *

*          Copyright (c) 1985-2011 AT&T Intellectual Property          *

*                      and is licensed under the                       *

*                 Eclipse Public License, Version 1.0                  *

*                    by AT&T Intellectual Property                     *

*                                                                      *

*                A copy of the License is available at                 *

*          http://www.eclipse.org/org/documents/epl-v10.html           *

*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

*                                                                      *

*              Information and Software Systems Research               *

*                            AT&T Research                             *

*                           Florham Park NJ                            *

*                                                                      *

*                 Glenn Fowler <gsf@research.att.com>                  *

*                  David Korn <dgk@research.att.com>                   *

*                   Phong Vo <kpv@research.att.com>                    *

*                                                                      *

***********************************************************************/

#pragma prototyped

#include <ast.h>

/*

 * path prefix strcmp(3) -- longest first!

 */

int

strpcmp(register const char* a, register const char* b)

{

	while (*a == *b)

	{

		if (!*a++)

			return 0;

		b++;

	}

	if (*a == 0 && *b == '/')

		return 1;

	if (*a == '/' && *b == 0)

		return -1;

	return (a < b) ? -1 : 1;

}