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      1 /*	$NetBSD: strmode.c,v 1.19 2012/06/25 22:32:46 abs Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1990, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #if HAVE_NBTOOL_CONFIG_H
     33 #include "nbtool_config.h"
     34 #endif
     35 
     36 #include <sys/cdefs.h>
     37 #if defined(LIBC_SCCS) && !defined(lint)
     38 #if 0
     39 static char sccsid[] = "@(#)strmode.c	8.3 (Berkeley) 8/15/94";
     40 #else
     41 __RCSID("$NetBSD: strmode.c,v 1.19 2012/06/25 22:32:46 abs Exp $");
     42 #endif
     43 #endif /* LIBC_SCCS and not lint */
     44 
     45 #include "namespace.h"
     46 #include <sys/types.h>
     47 #include <sys/stat.h>
     48 
     49 #include <assert.h>
     50 #include <unistd.h>
     51 
     52 #if !HAVE_STRMODE
     53 void
     54 strmode(mode_t mode, char *p)
     55 {
     56 
     57 	_DIAGASSERT(p != NULL);
     58 
     59 	 /* print type */
     60 	switch (mode & S_IFMT) {
     61 	case S_IFDIR:			/* directory */
     62 		*p++ = 'd';
     63 		break;
     64 	case S_IFCHR:			/* character special */
     65 		*p++ = 'c';
     66 		break;
     67 	case S_IFBLK:			/* block special */
     68 		*p++ = 'b';
     69 		break;
     70 	case S_IFREG:			/* regular */
     71 #ifdef S_ARCH2
     72 		if ((mode & S_ARCH2) != 0) {
     73 			*p++ = 'A';
     74 		} else if ((mode & S_ARCH1) != 0) {
     75 			*p++ = 'a';
     76 		} else {
     77 #endif
     78 			*p++ = '-';
     79 #ifdef S_ARCH2
     80 		}
     81 #endif
     82 		break;
     83 	case S_IFLNK:			/* symbolic link */
     84 		*p++ = 'l';
     85 		break;
     86 #ifdef S_IFSOCK
     87 	case S_IFSOCK:			/* socket */
     88 		*p++ = 's';
     89 		break;
     90 #endif
     91 #ifdef S_IFIFO
     92 	case S_IFIFO:			/* fifo */
     93 		*p++ = 'p';
     94 		break;
     95 #endif
     96 #ifdef S_IFWHT
     97 	case S_IFWHT:			/* whiteout */
     98 		*p++ = 'w';
     99 		break;
    100 #endif
    101 #ifdef S_IFDOOR
    102 	case S_IFDOOR:			/* door */
    103 		*p++ = 'D';
    104 		break;
    105 #endif
    106 	default:			/* unknown */
    107 		*p++ = '?';
    108 		break;
    109 	}
    110 	/* usr */
    111 	if (mode & S_IRUSR)
    112 		*p++ = 'r';
    113 	else
    114 		*p++ = '-';
    115 	if (mode & S_IWUSR)
    116 		*p++ = 'w';
    117 	else
    118 		*p++ = '-';
    119 	switch (mode & (S_IXUSR | S_ISUID)) {
    120 	case 0:
    121 		*p++ = '-';
    122 		break;
    123 	case S_IXUSR:
    124 		*p++ = 'x';
    125 		break;
    126 	case S_ISUID:
    127 		*p++ = 'S';
    128 		break;
    129 	case S_IXUSR | S_ISUID:
    130 		*p++ = 's';
    131 		break;
    132 	}
    133 	/* group */
    134 	if (mode & S_IRGRP)
    135 		*p++ = 'r';
    136 	else
    137 		*p++ = '-';
    138 	if (mode & S_IWGRP)
    139 		*p++ = 'w';
    140 	else
    141 		*p++ = '-';
    142 	switch (mode & (S_IXGRP | S_ISGID)) {
    143 	case 0:
    144 		*p++ = '-';
    145 		break;
    146 	case S_IXGRP:
    147 		*p++ = 'x';
    148 		break;
    149 	case S_ISGID:
    150 		*p++ = 'S';
    151 		break;
    152 	case S_IXGRP | S_ISGID:
    153 		*p++ = 's';
    154 		break;
    155 	}
    156 	/* other */
    157 	if (mode & S_IROTH)
    158 		*p++ = 'r';
    159 	else
    160 		*p++ = '-';
    161 	if (mode & S_IWOTH)
    162 		*p++ = 'w';
    163 	else
    164 		*p++ = '-';
    165 	switch (mode & (S_IXOTH | S_ISVTX)) {
    166 	case 0:
    167 		*p++ = '-';
    168 		break;
    169 	case S_IXOTH:
    170 		*p++ = 'x';
    171 		break;
    172 	case S_ISVTX:
    173 		*p++ = 'T';
    174 		break;
    175 	case S_IXOTH | S_ISVTX:
    176 		*p++ = 't';
    177 		break;
    178 	}
    179 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
    180 	*p = '\0';
    181 }
    182 #endif /* !HAVE_STRMODE */
    183