libmvfs/strmode.c

   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 #include "mvfs-internal.h"
  32
  33 #include <sys/types.h>
  34 #include <sys/stat.h>
  35 #include <string.h>
  36
  37 void mvfs_strmode(mode_t, char *);
  38
  39 void
  40 mvfs_strmode(mode_t mode, char *p)
  41 {
  42          /* print type */
  43         switch (mode & S_IFMT) {
  44         case S_IFDIR:                   /* directory */
  45                 *p++ = 'd';
  46                 break;
  47         case S_IFCHR:                   /* character special */
  48                 *p++ = 'c';
  49                 break;
  50         case S_IFBLK:                   /* block special */
  51                 *p++ = 'b';
  52                 break;
  53         case S_IFREG:                   /* regular */
  54                 *p++ = '-';
  55                 break;
  56         case S_IFLNK:                   /* symbolic link */
  57                 *p++ = 'l';
  58                 break;
  59         case S_IFSOCK:                  /* socket */
  60                 *p++ = 's';
  61                 break;
  62 #ifdef S_IFIFO
  63         case S_IFIFO:                   /* fifo */
  64                 *p++ = 'p';
  65                 break;
  66 #endif
  67         default:                        /* unknown */
  68                 *p++ = '?';
  69                 break;
  70         }
  71         /* usr */
  72         if (mode & S_IRUSR)
  73                 *p++ = 'r';
  74         else
  75                 *p++ = '-';
  76         if (mode & S_IWUSR)
  77                 *p++ = 'w';
  78         else
  79                 *p++ = '-';
  80         switch (mode & (S_IXUSR | S_ISUID)) {
  81         case 0:
  82                 *p++ = '-';
  83                 break;
  84         case S_IXUSR:
  85                 *p++ = 'x';
  86                 break;
  87         case S_ISUID:
  88                 *p++ = 'S';
  89                 break;
  90         case S_IXUSR | S_ISUID:
  91                 *p++ = 's';
  92                 break;
  93         }
  94         /* group */
  95         if (mode & S_IRGRP)
  96                 *p++ = 'r';
  97         else
  98                 *p++ = '-';
  99         if (mode & S_IWGRP)
 100                 *p++ = 'w';
 101         else
 102                 *p++ = '-';
 103         switch (mode & (S_IXGRP | S_ISGID)) {
 104         case 0:
 105                 *p++ = '-';
 106                 break;
 107         case S_IXGRP:
 108                 *p++ = 'x';
 109                 break;
 110         case S_ISGID:
 111                 *p++ = 'S';
 112                 break;
 113         case S_IXGRP | S_ISGID:
 114                 *p++ = 's';
 115                 break;
 116         }
 117         /* other */
 118         if (mode & S_IROTH)
 119                 *p++ = 'r';
 120         else
 121                 *p++ = '-';
 122         if (mode & S_IWOTH)
 123                 *p++ = 'w';
 124         else
 125                 *p++ = '-';
 126         switch (mode & (S_IXOTH | S_ISVTX)) {
 127         case 0:
 128                 *p++ = '-';
 129                 break;
 130         case S_IXOTH:
 131                 *p++ = 'x';
 132                 break;
 133         case S_ISVTX:
 134                 *p++ = 'T';
 135                 break;
 136         case S_IXOTH | S_ISVTX:
 137                 *p++ = 't';
 138                 break;
 139         }
 140         *p++ = ' ';             /* will be a '+' if ACLs implemented */
 141         *p = '\0';
 142 }