compat/strmode.c

   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 *rcsid = "$OpenBSD: strmode.c,v 1.3 1997/06/13 13:57:20 deraadt Exp $";
  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 }