lib/libc/string/strmode.c

   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  * @(#)strmode.c        8.3 (Berkeley) 8/15/94
  34  * $FreeBSD: src/lib/libc/string/strmode.c,v 1.1.1.2.6.1 2001/07/09 23:30:07 obrien Exp $
  35  * $DragonFly: src/lib/libc/string/strmode.c,v 1.4 2005/09/18 16:32:34 asmodai Exp $
  36  */
  37
  38 #include <sys/types.h>
  39 #include <sys/stat.h>
  40 #include <string.h>
  41
  42 void
  43 strmode(mode_t 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         case S_IFSOCK:                  /* socket */
  63                 *p++ = 's';
  64                 break;
  65 #ifdef S_IFIFO
  66         case S_IFIFO:                   /* fifo */
  67                 *p++ = 'p';
  68                 break;
  69 #endif
  70 #ifdef S_IFWHT
  71         case S_IFWHT:                   /* whiteout */
  72                 *p++ = 'w';
  73                 break;
  74 #endif
  75         default:                        /* unknown */
  76                 *p++ = '?';
  77                 break;
  78         }
  79         /* usr */
  80         if (mode & S_IRUSR)
  81                 *p++ = 'r';
  82         else
  83                 *p++ = '-';
  84         if (mode & S_IWUSR)
  85                 *p++ = 'w';
  86         else
  87                 *p++ = '-';
  88         switch (mode & (S_IXUSR | S_ISUID)) {
  89         case 0:
  90                 *p++ = '-';
  91                 break;
  92         case S_IXUSR:
  93                 *p++ = 'x';
  94                 break;
  95         case S_ISUID:
  96                 *p++ = 'S';
  97                 break;
  98         case S_IXUSR | S_ISUID:
  99                 *p++ = 's';
 100                 break;
 101         }
 102         /* group */
 103         if (mode & S_IRGRP)
 104                 *p++ = 'r';
 105         else
 106                 *p++ = '-';
 107         if (mode & S_IWGRP)
 108                 *p++ = 'w';
 109         else
 110                 *p++ = '-';
 111         switch (mode & (S_IXGRP | S_ISGID)) {
 112         case 0:
 113                 *p++ = '-';
 114                 break;
 115         case S_IXGRP:
 116                 *p++ = 'x';
 117                 break;
 118         case S_ISGID:
 119                 *p++ = 'S';
 120                 break;
 121         case S_IXGRP | S_ISGID:
 122                 *p++ = 's';
 123                 break;
 124         }
 125         /* other */
 126         if (mode & S_IROTH)
 127                 *p++ = 'r';
 128         else
 129                 *p++ = '-';
 130         if (mode & S_IWOTH)
 131                 *p++ = 'w';
 132         else
 133                 *p++ = '-';
 134         switch (mode & (S_IXOTH | S_ISVTX)) {
 135         case 0:
 136                 *p++ = '-';
 137                 break;
 138         case S_IXOTH:
 139                 *p++ = 'x';
 140                 break;
 141         case S_ISVTX:
 142                 *p++ = 'T';
 143                 break;
 144         case S_IXOTH | S_ISVTX:
 145                 *p++ = 't';
 146                 break;
 147         }
 148         *p++ = ' ';             /* will be a '+' if ACL's implemented */
 149         *p = '\0';
 150 }