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      1 /*	$OpenBSD: strmode.c,v 1.7 2005/08/08 08:05:37 espie Exp $ */
      2 /*-
      3  * Copyright (c) 1990 The Regents of the University of California.
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. Neither the name of the University nor the names of its contributors
     15  *    may be used to endorse or promote products derived from this software
     16  *    without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 /* OPENBSD ORIGINAL: lib/libc/string/strmode.c */
     32 
     33 #include "includes.h"
     34 #ifndef HAVE_STRMODE
     35 
     36 #include <sys/types.h>
     37 #include <sys/stat.h>
     38 #include <string.h>
     39 
     40 /* XXX mode should be mode_t */
     41 
     42 void
     43 strmode(int mode, char *p)
     44 {
     45 	 /* print type */
     46 	switch (mode & S_IFMT) {
     47 	case S_IFDIR:			/* directory */
     48 		*p++ = 'd';
     49 		break;
     50 	case S_IFCHR:			/* character special */
     51 		*p++ = 'c';
     52 		break;
     53 	case S_IFBLK:			/* block special */
     54 		*p++ = 'b';
     55 		break;
     56 	case S_IFREG:			/* regular */
     57 		*p++ = '-';
     58 		break;
     59 	case S_IFLNK:			/* symbolic link */
     60 		*p++ = 'l';
     61 		break;
     62 #ifdef S_IFSOCK
     63 	case S_IFSOCK:			/* socket */
     64 		*p++ = 's';
     65 		break;
     66 #endif
     67 #ifdef S_IFIFO
     68 	case S_IFIFO:			/* fifo */
     69 		*p++ = 'p';
     70 		break;
     71 #endif
     72 	default:			/* unknown */
     73 		*p++ = '?';
     74 		break;
     75 	}
     76 	/* usr */
     77 	if (mode & S_IRUSR)
     78 		*p++ = 'r';
     79 	else
     80 		*p++ = '-';
     81 	if (mode & S_IWUSR)
     82 		*p++ = 'w';
     83 	else
     84 		*p++ = '-';
     85 	switch (mode & (S_IXUSR | S_ISUID)) {
     86 	case 0:
     87 		*p++ = '-';
     88 		break;
     89 	case S_IXUSR:
     90 		*p++ = 'x';
     91 		break;
     92 	case S_ISUID:
     93 		*p++ = 'S';
     94 		break;
     95 	case S_IXUSR | S_ISUID:
     96 		*p++ = 's';
     97 		break;
     98 	}
     99 	/* group */
    100 	if (mode & S_IRGRP)
    101 		*p++ = 'r';
    102 	else
    103 		*p++ = '-';
    104 	if (mode & S_IWGRP)
    105 		*p++ = 'w';
    106 	else
    107 		*p++ = '-';
    108 	switch (mode & (S_IXGRP | S_ISGID)) {
    109 	case 0:
    110 		*p++ = '-';
    111 		break;
    112 	case S_IXGRP:
    113 		*p++ = 'x';
    114 		break;
    115 	case S_ISGID:
    116 		*p++ = 'S';
    117 		break;
    118 	case S_IXGRP | S_ISGID:
    119 		*p++ = 's';
    120 		break;
    121 	}
    122 	/* other */
    123 	if (mode & S_IROTH)
    124 		*p++ = 'r';
    125 	else
    126 		*p++ = '-';
    127 	if (mode & S_IWOTH)
    128 		*p++ = 'w';
    129 	else
    130 		*p++ = '-';
    131 	switch (mode & (S_IXOTH | S_ISVTX)) {
    132 	case 0:
    133 		*p++ = '-';
    134 		break;
    135 	case S_IXOTH:
    136 		*p++ = 'x';
    137 		break;
    138 	case S_ISVTX:
    139 		*p++ = 'T';
    140 		break;
    141 	case S_IXOTH | S_ISVTX:
    142 		*p++ = 't';
    143 		break;
    144 	}
    145 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
    146 	*p = '\0';
    147 }
    148 #endif
    149