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 * G. S. Fowler 25 * AT&T Bell Laboratories 26 * 27 * return modex canonical representation of file mode bits 28 * given ls -l style file mode string 29 */ 30 31 #include "modelib.h" 32 33 int 34 strmode(register const char* s) 35 { 36 register int c; 37 register char* t; 38 register struct modeop* p; 39 int mode; 40 41 mode = 0; 42 for (p = modetab; (c = *s++) && p < &modetab[MODELEN]; p++) 43 for (t = p->name; *t; t++) 44 if (*t == c) 45 { 46 c = t - p->name; 47 mode |= (p->mask1 & (c << p->shift1)) | (p->mask2 & (c << p->shift2)); 48 break; 49 } 50 return(mode); 51 } 52