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strmode.c revision 1.1.1.2 
      1 /*-
      2  * Copyright (c) 1990, 1993
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #if defined(LIBC_SCCS) && !defined(lint)
     35 static char sccsid[] = "@(#)strmode.c	8.3 (Berkeley) 8/15/94";
     36 #endif /* LIBC_SCCS and not lint */
     37 
     38 #include <sys/types.h>
     39 #include <sys/stat.h>
     40 #include <string.h>
     41 
     42 void
     43 strmode(mode, p)
     44 	register mode_t mode;
     45 	register char *p;
     46 {
     47 	 /* print type */
     48 	switch (mode & S_IFMT) {
     49 	case S_IFDIR:			/* directory */
     50 		*p++ = 'd';
     51 		break;
     52 	case S_IFCHR:			/* character special */
     53 		*p++ = 'c';
     54 		break;
     55 	case S_IFBLK:			/* block special */
     56 		*p++ = 'b';
     57 		break;
     58 	case S_IFREG:			/* regular */
     59 		*p++ = '-';
     60 		break;
     61 	case S_IFLNK:			/* symbolic link */
     62 		*p++ = 'l';
     63 		break;
     64 	case S_IFSOCK:			/* socket */
     65 		*p++ = 's';
     66 		break;
     67 #ifdef S_IFIFO
     68 	case S_IFIFO:			/* fifo */
     69 		*p++ = 'p';
     70 		break;
     71 #endif
     72 #ifdef S_IFWHT
     73 	case S_IFWHT:			/* whiteout */
     74 		*p++ = 'w';
     75 		break;
     76 #endif
     77 	default:			/* unknown */
     78 		*p++ = '?';
     79 		break;
     80 	}
     81 	/* usr */
     82 	if (mode & S_IRUSR)
     83 		*p++ = 'r';
     84 	else
     85 		*p++ = '-';
     86 	if (mode & S_IWUSR)
     87 		*p++ = 'w';
     88 	else
     89 		*p++ = '-';
     90 	switch (mode & (S_IXUSR | S_ISUID)) {
     91 	case 0:
     92 		*p++ = '-';
     93 		break;
     94 	case S_IXUSR:
     95 		*p++ = 'x';
     96 		break;
     97 	case S_ISUID:
     98 		*p++ = 'S';
     99 		break;
    100 	case S_IXUSR | S_ISUID:
    101 		*p++ = 's';
    102 		break;
    103 	}
    104 	/* group */
    105 	if (mode & S_IRGRP)
    106 		*p++ = 'r';
    107 	else
    108 		*p++ = '-';
    109 	if (mode & S_IWGRP)
    110 		*p++ = 'w';
    111 	else
    112 		*p++ = '-';
    113 	switch (mode & (S_IXGRP | S_ISGID)) {
    114 	case 0:
    115 		*p++ = '-';
    116 		break;
    117 	case S_IXGRP:
    118 		*p++ = 'x';
    119 		break;
    120 	case S_ISGID:
    121 		*p++ = 'S';
    122 		break;
    123 	case S_IXGRP | S_ISGID:
    124 		*p++ = 's';
    125 		break;
    126 	}
    127 	/* other */
    128 	if (mode & S_IROTH)
    129 		*p++ = 'r';
    130 	else
    131 		*p++ = '-';
    132 	if (mode & S_IWOTH)
    133 		*p++ = 'w';
    134 	else
    135 		*p++ = '-';
    136 	switch (mode & (S_IXOTH | S_ISVTX)) {
    137 	case 0:
    138 		*p++ = '-';
    139 		break;
    140 	case S_IXOTH:
    141 		*p++ = 'x';
    142 		break;
    143 	case S_ISVTX:
    144 		*p++ = 'T';
    145 		break;
    146 	case S_IXOTH | S_ISVTX:
    147 		*p++ = 't';
    148 		break;
    149 	}
    150 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
    151 	*p = '\0';
    152 }
    153