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strmode.c revision 1.11.10.1 
      1 /*	$NetBSD: strmode.c,v 1.11.10.1 2002/03/08 21:36:06 nathanw 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     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 1.11.10.1 2002/03/08 21:36:06 nathanw 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 void
     53 strmode(mode, p)
     54 	mode_t mode;
     55 	char *p;
     56 {
     57 
     58 	_DIAGASSERT(p != NULL);
     59 
     60 	 /* print type */
     61 	switch (mode & S_IFMT) {
     62 	case S_IFDIR:			/* directory */
     63 		*p++ = 'd';
     64 		break;
     65 	case S_IFCHR:			/* character special */
     66 		*p++ = 'c';
     67 		break;
     68 	case S_IFBLK:			/* block special */
     69 		*p++ = 'b';
     70 		break;
     71 	case S_IFREG:			/* regular */
     72 #ifdef S_ARCH2
     73 		if ((mode & S_ARCH2) != 0) {
     74 			*p++ = 'A';
     75 		} else if ((mode & S_ARCH1) != 0) {
     76 			*p++ = 'a';
     77 		} else {
     78 #endif
     79 			*p++ = '-';
     80 #ifdef S_ARCH2
     81 		}
     82 #endif
     83 		break;
     84 	case S_IFLNK:			/* symbolic link */
     85 		*p++ = 'l';
     86 		break;
     87 	case S_IFSOCK:			/* socket */
     88 		*p++ = 's';
     89 		break;
     90 #ifdef S_IFIFO
     91 	case S_IFIFO:			/* fifo */
     92 		*p++ = 'p';
     93 		break;
     94 #endif
     95 #ifdef S_IFWHT
     96 	case S_IFWHT:			/* whiteout */
     97 		*p++ = 'w';
     98 		break;
     99 #endif
    100 	default:			/* unknown */
    101 		*p++ = '?';
    102 		break;
    103 	}
    104 	/* usr */
    105 	if (mode & S_IRUSR)
    106 		*p++ = 'r';
    107 	else
    108 		*p++ = '-';
    109 	if (mode & S_IWUSR)
    110 		*p++ = 'w';
    111 	else
    112 		*p++ = '-';
    113 	switch (mode & (S_IXUSR | S_ISUID)) {
    114 	case 0:
    115 		*p++ = '-';
    116 		break;
    117 	case S_IXUSR:
    118 		*p++ = 'x';
    119 		break;
    120 	case S_ISUID:
    121 		*p++ = 'S';
    122 		break;
    123 	case S_IXUSR | S_ISUID:
    124 		*p++ = 's';
    125 		break;
    126 	}
    127 	/* group */
    128 	if (mode & S_IRGRP)
    129 		*p++ = 'r';
    130 	else
    131 		*p++ = '-';
    132 	if (mode & S_IWGRP)
    133 		*p++ = 'w';
    134 	else
    135 		*p++ = '-';
    136 	switch (mode & (S_IXGRP | S_ISGID)) {
    137 	case 0:
    138 		*p++ = '-';
    139 		break;
    140 	case S_IXGRP:
    141 		*p++ = 'x';
    142 		break;
    143 	case S_ISGID:
    144 		*p++ = 'S';
    145 		break;
    146 	case S_IXGRP | S_ISGID:
    147 		*p++ = 's';
    148 		break;
    149 	}
    150 	/* other */
    151 	if (mode & S_IROTH)
    152 		*p++ = 'r';
    153 	else
    154 		*p++ = '-';
    155 	if (mode & S_IWOTH)
    156 		*p++ = 'w';
    157 	else
    158 		*p++ = '-';
    159 	switch (mode & (S_IXOTH | S_ISVTX)) {
    160 	case 0:
    161 		*p++ = '-';
    162 		break;
    163 	case S_IXOTH:
    164 		*p++ = 'x';
    165 		break;
    166 	case S_ISVTX:
    167 		*p++ = 'T';
    168 		break;
    169 	case S_IXOTH | S_ISVTX:
    170 		*p++ = 't';
    171 		break;
    172 	}
    173 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
    174 	*p = '\0';
    175 }
    176