/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* Glenn Fowler
* AT&T Bell Laboratories
*
* return strperm() expression for perm
*/
#include <ast.h>
#include <ls.h>
char*
fmtperm(register int perm)
{
register char* s;
char* buf;
s = buf = fmtbuf(32);
/*
* u
*/
*s++ = 'u';
*s++ = '=';
if (perm & S_ISVTX)
*s++ = 't';
if (perm & S_ISUID)
*s++ = 's';
if (perm & S_IRUSR)
*s++ = 'r';
if (perm & S_IWUSR)
*s++ = 'w';
if (perm & S_IXUSR)
*s++ = 'x';
if ((perm & (S_ISGID|S_IXGRP)) == S_ISGID)
*s++ = 'l';
/*
* g
*/
*s++ = ',';
*s++ = 'g';
*s++ = '=';
if ((perm & (S_ISGID|S_IXGRP)) == (S_ISGID|S_IXGRP))
*s++ = 's';
if (perm & S_IRGRP)
*s++ = 'r';
if (perm & S_IWGRP)
*s++ = 'w';
if (perm & S_IXGRP)
*s++ = 'x';
/*
* o
*/
*s++ = ',';
*s++ = 'o';
*s++ = '=';
if (perm & S_IROTH)
*s++ = 'r';
if (perm & S_IWOTH)
*s++ = 'w';
if (perm & S_IXOTH)
*s++ = 'x';
*s = 0;
return buf;
}