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strmode.c revision 1.3.8.1 
      1 /*-
      2  * Copyright (c) 1990 The Regents of the University of California.
      3  * 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 = "from: @(#)strmode.c	5.3 (Berkeley) 5/18/90";*/
     36 static char *rcsid = "$Id: strmode.c,v 1.3.8.1 1996/09/20 17:01:03 jtc Exp $";
     37 #endif /* LIBC_SCCS and not lint */
     38 
     39 #include "namespace.h"
     40 #include <sys/types.h>
     41 #include <sys/stat.h>
     42 #include <string.h>
     43 
     44 #ifdef __weak_alias
     45 __weak_alias(strmode,_strmode);
     46 #endif
     47 
     48 void
     49 strmode(mode, p)
     50 	register mode_t mode;
     51 	register char *p;
     52 {
     53 	 /* print type */
     54 	switch (mode & S_IFMT) {
     55 	case S_IFDIR:			/* directory */
     56 		*p++ = 'd';
     57 		break;
     58 	case S_IFCHR:			/* character special */
     59 		*p++ = 'c';
     60 		break;
     61 	case S_IFBLK:			/* block special */
     62 		*p++ = 'b';
     63 		break;
     64 	case S_IFREG:			/* regular */
     65 		*p++ = '-';
     66 		break;
     67 	case S_IFLNK:			/* symbolic link */
     68 		*p++ = 'l';
     69 		break;
     70 	case S_IFSOCK:			/* socket */
     71 		*p++ = 's';
     72 		break;
     73 #ifdef S_IFIFO
     74 	case S_IFIFO:			/* fifo */
     75 		*p++ = 'p';
     76 		break;
     77 #endif
     78 	default:			/* unknown */
     79 		*p++ = '?';
     80 		break;
     81 	}
     82 	/* usr */
     83 	if (mode & S_IRUSR)
     84 		*p++ = 'r';
     85 	else
     86 		*p++ = '-';
     87 	if (mode & S_IWUSR)
     88 		*p++ = 'w';
     89 	else
     90 		*p++ = '-';
     91 	switch (mode & (S_IXUSR | S_ISUID)) {
     92 	case 0:
     93 		*p++ = '-';
     94 		break;
     95 	case S_IXUSR:
     96 		*p++ = 'x';
     97 		break;
     98 	case S_ISUID:
     99 		*p++ = 'S';
    100 		break;
    101 	case S_IXUSR | S_ISUID:
    102 		*p++ = 's';
    103 		break;
    104 	}
    105 	/* group */
    106 	if (mode & S_IRGRP)
    107 		*p++ = 'r';
    108 	else
    109 		*p++ = '-';
    110 	if (mode & S_IWGRP)
    111 		*p++ = 'w';
    112 	else
    113 		*p++ = '-';
    114 	switch (mode & (S_IXGRP | S_ISGID)) {
    115 	case 0:
    116 		*p++ = '-';
    117 		break;
    118 	case S_IXGRP:
    119 		*p++ = 'x';
    120 		break;
    121 	case S_ISGID:
    122 		*p++ = 'S';
    123 		break;
    124 	case S_IXGRP | S_ISGID:
    125 		*p++ = 's';
    126 		break;
    127 	}
    128 	/* other */
    129 	if (mode & S_IROTH)
    130 		*p++ = 'r';
    131 	else
    132 		*p++ = '-';
    133 	if (mode & S_IWOTH)
    134 		*p++ = 'w';
    135 	else
    136 		*p++ = '-';
    137 	switch (mode & (S_IXOTH | S_ISVTX)) {
    138 	case 0:
    139 		*p++ = '-';
    140 		break;
    141 	case S_IXOTH:
    142 		*p++ = 'x';
    143 		break;
    144 	case S_ISVTX:
    145 		*p++ = 'T';
    146 		break;
    147 	case S_IXOTH | S_ISVTX:
    148 		*p++ = 't';
    149 		break;
    150 	}
    151 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
    152 	*p = '\0';
    153 }
    154