1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2008 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 * Glenn Fowler 25 * AT&T Bell Laboratories 26 * 27 * mode_t representation support 28 */ 29 30 #include "modelib.h" 31 32 /* 33 * convert external mode to internal 34 * 35 * NOTE: X_IFMT ignored 36 */ 37 38 #undef modei 39 40 int 41 modei(register int x) 42 { 43 #if _S_IDPERM 44 return(x & X_IPERM); 45 #else 46 register int i; 47 register int c; 48 49 i = 0; 50 for (c = 0; c < PERMLEN; c += 2) 51 if (x & permmap[c + 1]) 52 i |= permmap[c]; 53 return(i); 54 #endif 55 } 56