1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2011 AT&T Intellectual Property * 5* and is licensed under the * 6* Eclipse Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.eclipse.org/org/documents/epl-v10.html * 11* (with md5 checksum b35adb5213ca9657e911e9befb180842) * 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 33char* 34fmtperm(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