1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 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 33 int 34 realopen(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 45 NoN(realopen) 46 47 #endif 48