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 * Glenn Fowler 25 * AT&T Bell Laboratories 26 * 27 * return strperm() expression for perm 28 */ 29 30 #include <ast.h> 31 #include <ls.h> 32 33 char* 34 fmtperm(register int perm) 35 { 36 register char* s; 37 char* buf; 38 39 s = buf = fmtbuf(32); 40 41 /* 42 * u 43 */ 44 45 *s++ = 'u'; 46 *s++ = '='; 47 if (perm & S_ISVTX) 48 *s++ = 't'; 49 if (perm & S_ISUID) 50 *s++ = 's'; 51 if (perm & S_IRUSR) 52 *s++ = 'r'; 53 if (perm & S_IWUSR) 54 *s++ = 'w'; 55 if (perm & S_IXUSR) 56 *s++ = 'x'; 57 if ((perm & (S_ISGID|S_IXGRP)) == S_ISGID) 58 *s++ = 'l'; 59 60 /* 61 * g 62 */ 63 64 *s++ = ','; 65 *s++ = 'g'; 66 *s++ = '='; 67 if ((perm & (S_ISGID|S_IXGRP)) == (S_ISGID|S_IXGRP)) 68 *s++ = 's'; 69 if (perm & S_IRGRP) 70 *s++ = 'r'; 71 if (perm & S_IWGRP) 72 *s++ = 'w'; 73 if (perm & S_IXGRP) 74 *s++ = 'x'; 75 76 /* 77 * o 78 */ 79 80 *s++ = ','; 81 *s++ = 'o'; 82 *s++ = '='; 83 if (perm & S_IROTH) 84 *s++ = 'r'; 85 if (perm & S_IWOTH) 86 *s++ = 'w'; 87 if (perm & S_IXOTH) 88 *s++ = 'x'; 89 *s = 0; 90 return buf; 91 } 92