lib/libc/string/strmode.c

   1 /*      $NetBSD: strmode.c,v 1.17 2006/10/07 16:19:35 elad Exp $        */
   2
   3 /*-
   4  * Copyright (c) 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #if HAVE_NBTOOL_CONFIG_H
  33 #include "nbtool_config.h"
  34 #endif
  35
  36 #include <sys/cdefs.h>
  37 #if defined(LIBC_SCCS) && !defined(lint)
  38 #if 0
  39 static char sccsid[] = "@(#)strmode.c   8.3 (Berkeley) 8/15/94";
  40 #else
  41 __RCSID("$NetBSD: strmode.c,v 1.17 2006/10/07 16:19:35 elad Exp $");
  42 #endif
  43 #endif /* LIBC_SCCS and not lint */
  44
  45 #include "namespace.h"
  46 #include <sys/types.h>
  47 #include <sys/stat.h>
  48
  49 #include <assert.h>
  50 #include <unistd.h>
  51
  52 #if !HAVE_STRMODE
  53 void
  54 strmode(mode, p)
  55         mode_t mode;
  56         char *p;
  57 {
  58
  59         _DIAGASSERT(p != NULL);
  60
  61          /* print type */
  62         switch (mode & S_IFMT) {
  63         case S_IFDIR:                   /* directory */
  64                 *p++ = 'd';
  65                 break;
  66         case S_IFCHR:                   /* character special */
  67                 *p++ = 'c';
  68                 break;
  69         case S_IFBLK:                   /* block special */
  70                 *p++ = 'b';
  71                 break;
  72         case S_IFREG:                   /* regular */
  73 #ifdef S_ARCH2
  74                 if ((mode & S_ARCH2) != 0) {
  75                         *p++ = 'A';
  76                 } else if ((mode & S_ARCH1) != 0) {
  77                         *p++ = 'a';
  78                 } else {
  79 #endif
  80                         *p++ = '-';
  81 #ifdef S_ARCH2
  82                 }
  83 #endif
  84                 break;
  85         case S_IFLNK:                   /* symbolic link */
  86                 *p++ = 'l';
  87                 break;
  88 #ifdef S_IFSOCK
  89         case S_IFSOCK:                  /* socket */
  90                 *p++ = 's';
  91                 break;
  92 #endif
  93 #ifdef S_IFIFO
  94         case S_IFIFO:                   /* fifo */
  95                 *p++ = 'p';
  96                 break;
  97 #endif
  98 #ifdef S_IFWHT
  99         case S_IFWHT:                   /* whiteout */
 100                 *p++ = 'w';
 101                 break;
 102 #endif
 103 #ifdef S_IFDOOR
 104         case S_IFDOOR:                  /* door */
 105                 *p++ = 'D';
 106                 break;
 107 #endif
 108         default:                        /* unknown */
 109                 *p++ = '?';
 110                 break;
 111         }
 112         /* usr */
 113         if (mode & S_IRUSR)
 114                 *p++ = 'r';
 115         else
 116                 *p++ = '-';
 117         if (mode & S_IWUSR)
 118                 *p++ = 'w';
 119         else
 120                 *p++ = '-';
 121         switch (mode & (S_IXUSR | S_ISUID)) {
 122         case 0:
 123                 *p++ = '-';
 124                 break;
 125         case S_IXUSR:
 126                 *p++ = 'x';
 127                 break;
 128         case S_ISUID:
 129                 *p++ = 'S';
 130                 break;
 131         case S_IXUSR | S_ISUID:
 132                 *p++ = 's';
 133                 break;
 134         }
 135         /* group */
 136         if (mode & S_IRGRP)
 137                 *p++ = 'r';
 138         else
 139                 *p++ = '-';
 140         if (mode & S_IWGRP)
 141                 *p++ = 'w';
 142         else
 143                 *p++ = '-';
 144         switch (mode & (S_IXGRP | S_ISGID)) {
 145         case 0:
 146                 *p++ = '-';
 147                 break;
 148         case S_IXGRP:
 149                 *p++ = 'x';
 150                 break;
 151         case S_ISGID:
 152                 *p++ = 'S';
 153                 break;
 154         case S_IXGRP | S_ISGID:
 155                 *p++ = 's';
 156                 break;
 157         }
 158         /* other */
 159         if (mode & S_IROTH)
 160                 *p++ = 'r';
 161         else
 162                 *p++ = '-';
 163         if (mode & S_IWOTH)
 164                 *p++ = 'w';
 165         else
 166                 *p++ = '-';
 167         switch (mode & (S_IXOTH | S_ISVTX)) {
 168         case 0:
 169                 *p++ = '-';
 170                 break;
 171         case S_IXOTH:
 172                 *p++ = 'x';
 173                 break;
 174         case S_ISVTX:
 175                 *p++ = 'T';
 176                 break;
 177         case S_IXOTH | S_ISVTX:
 178                 *p++ = 't';
 179                 break;
 180         }
 181         *p++ = ' ';             /* will be a '+' if ACL's implemented */
 182         *p = '\0';
 183 }
 184 #endif /* !HAVE_STRMODE */