1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2010 AT&T Intellectual Property * 5* and is licensed under the * 6* Common Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.opensource.org/licenses/cpl1.0.txt * 11* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23/* 24 * AT&T Bell Laboratories 25 * disable preroot and open path relative to the real root 26 */ 27 28#include <ast.h> 29#include <preroot.h> 30 31#if FS_PREROOT 32 33int 34realopen(const char* path, int mode, int perm) 35{ 36 char buf[PATH_MAX + 8]; 37 38 if (*path != '/' || !ispreroot(NiL)) return(-1); 39 strcopy(strcopy(buf, PR_REAL), path); 40 return(open(buf, mode, perm)); 41} 42 43#else 44 45NoN(realopen) 46 47#endif 48