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strmode.c revision 1.11 
      1 /*	$NetBSD: strmode.c,v 1.11 1999/09/20 04:39:47 lukem 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 1999/09/20 04:39:47 lukem Exp $");
     42 #endif
     43 #endif /* LIBC_SCCS and not lint */
     44 
     45 #include <sys/types.h>
     46 #include <sys/stat.h>
     47 
     48 #include <assert.h>
     49 #include <unistd.h>
     50 
     51 void
     52 strmode(mode, p)
     53 	mode_t mode;
     54 	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 	case S_IFSOCK:			/* socket */
     87 		*p++ = 's';
     88 		break;
     89 #ifdef S_IFIFO
     90 	case S_IFIFO:			/* fifo */
     91 		*p++ = 'p';
     92 		break;
     93 #endif
     94 #ifdef S_IFWHT
     95 	case S_IFWHT:			/* whiteout */
     96 		*p++ = 'w';
     97 		break;
     98 #endif
     99 	default:			/* unknown */
    100 		*p++ = '?';
    101 		break;
    102 	}
    103 	/* usr */
    104 	if (mode & S_IRUSR)
    105 		*p++ = 'r';
    106 	else
    107 		*p++ = '-';
    108 	if (mode & S_IWUSR)
    109 		*p++ = 'w';
    110 	else
    111 		*p++ = '-';
    112 	switch (mode & (S_IXUSR | S_ISUID)) {
    113 	case 0:
    114 		*p++ = '-';
    115 		break;
    116 	case S_IXUSR:
    117 		*p++ = 'x';
    118 		break;
    119 	case S_ISUID:
    120 		*p++ = 'S';
    121 		break;
    122 	case S_IXUSR | S_ISUID:
    123 		*p++ = 's';
    124 		break;
    125 	}
    126 	/* group */
    127 	if (mode & S_IRGRP)
    128 		*p++ = 'r';
    129 	else
    130 		*p++ = '-';
    131 	if (mode & S_IWGRP)
    132 		*p++ = 'w';
    133 	else
    134 		*p++ = '-';
    135 	switch (mode & (S_IXGRP | S_ISGID)) {
    136 	case 0:
    137 		*p++ = '-';
    138 		break;
    139 	case S_IXGRP:
    140 		*p++ = 'x';
    141 		break;
    142 	case S_ISGID:
    143 		*p++ = 'S';
    144 		break;
    145 	case S_IXGRP | S_ISGID:
    146 		*p++ = 's';
    147 		break;
    148 	}
    149 	/* other */
    150 	if (mode & S_IROTH)
    151 		*p++ = 'r';
    152 	else
    153 		*p++ = '-';
    154 	if (mode & S_IWOTH)
    155 		*p++ = 'w';
    156 	else
    157 		*p++ = '-';
    158 	switch (mode & (S_IXOTH | S_ISVTX)) {
    159 	case 0:
    160 		*p++ = '-';
    161 		break;
    162 	case S_IXOTH:
    163 		*p++ = 'x';
    164 		break;
    165 	case S_ISVTX:
    166 		*p++ = 'T';
    167 		break;
    168 	case S_IXOTH | S_ISVTX:
    169 		*p++ = 't';
    170 		break;
    171 	}
    172 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
    173 	*p = '\0';
    174 }
    175