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strmode.c revision 1.10 
      1 /*	$NetBSD: strmode.c,v 1.10 1999/09/16 11:45:42 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 1.10 1999/09/16 11:45:42 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 #ifdef _DIAGNOSTIC
     59 	if (p == NULL)
     60 		return;
     61 #endif
     62 
     63 	 /* print type */
     64 	switch (mode & S_IFMT) {
     65 	case S_IFDIR:			/* directory */
     66 		*p++ = 'd';
     67 		break;
     68 	case S_IFCHR:			/* character special */
     69 		*p++ = 'c';
     70 		break;
     71 	case S_IFBLK:			/* block special */
     72 		*p++ = 'b';
     73 		break;
     74 	case S_IFREG:			/* regular */
     75 #ifdef S_ARCH2
     76 		if ((mode & S_ARCH2) != 0) {
     77 			*p++ = 'A';
     78 		} else if ((mode & S_ARCH1) != 0) {
     79 			*p++ = 'a';
     80 		} else {
     81 #endif
     82 			*p++ = '-';
     83 #ifdef S_ARCH2
     84 		}
     85 #endif
     86 		break;
     87 	case S_IFLNK:			/* symbolic link */
     88 		*p++ = 'l';
     89 		break;
     90 	case S_IFSOCK:			/* socket */
     91 		*p++ = 's';
     92 		break;
     93 #ifdef S_IFIFO
     94 	case S_IFIFO:			/* fifo */
     95 		*p++ = 'p';
     96 		break;
     97 #endif
     98 #ifdef S_IFWHT
     99 	case S_IFWHT:			/* whiteout */
    100 		*p++ = 'w';
    101 		break;
    102 #endif
    103 	default:			/* unknown */
    104 		*p++ = '?';
    105 		break;
    106 	}
    107 	/* usr */
    108 	if (mode & S_IRUSR)
    109 		*p++ = 'r';
    110 	else
    111 		*p++ = '-';
    112 	if (mode & S_IWUSR)
    113 		*p++ = 'w';
    114 	else
    115 		*p++ = '-';
    116 	switch (mode & (S_IXUSR | S_ISUID)) {
    117 	case 0:
    118 		*p++ = '-';
    119 		break;
    120 	case S_IXUSR:
    121 		*p++ = 'x';
    122 		break;
    123 	case S_ISUID:
    124 		*p++ = 'S';
    125 		break;
    126 	case S_IXUSR | S_ISUID:
    127 		*p++ = 's';
    128 		break;
    129 	}
    130 	/* group */
    131 	if (mode & S_IRGRP)
    132 		*p++ = 'r';
    133 	else
    134 		*p++ = '-';
    135 	if (mode & S_IWGRP)
    136 		*p++ = 'w';
    137 	else
    138 		*p++ = '-';
    139 	switch (mode & (S_IXGRP | S_ISGID)) {
    140 	case 0:
    141 		*p++ = '-';
    142 		break;
    143 	case S_IXGRP:
    144 		*p++ = 'x';
    145 		break;
    146 	case S_ISGID:
    147 		*p++ = 'S';
    148 		break;
    149 	case S_IXGRP | S_ISGID:
    150 		*p++ = 's';
    151 		break;
    152 	}
    153 	/* other */
    154 	if (mode & S_IROTH)
    155 		*p++ = 'r';
    156 	else
    157 		*p++ = '-';
    158 	if (mode & S_IWOTH)
    159 		*p++ = 'w';
    160 	else
    161 		*p++ = '-';
    162 	switch (mode & (S_IXOTH | S_ISVTX)) {
    163 	case 0:
    164 		*p++ = '-';
    165 		break;
    166 	case S_IXOTH:
    167 		*p++ = 'x';
    168 		break;
    169 	case S_ISVTX:
    170 		*p++ = 'T';
    171 		break;
    172 	case S_IXOTH | S_ISVTX:
    173 		*p++ = 't';
    174 		break;
    175 	}
    176 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
    177 	*p = '\0';
    178 }
    179