lib/libc/string/strmode.c

   1 /*      $NetBSD: strmode.c,v 1.19 2012/06/25 22:32:46 abs 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 1.19 2012/06/25 22:32:46 abs 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_t mode, char *p)
  55 {
  56
  57         _DIAGASSERT(p != NULL);
  58
  59          /* print type */
  60         switch (mode & S_IFMT) {
  61         case S_IFDIR:                   /* directory */
  62                 *p++ = 'd';
  63                 break;
  64         case S_IFCHR:                   /* character special */
  65                 *p++ = 'c';
  66                 break;
  67         case S_IFBLK:                   /* block special */
  68                 *p++ = 'b';
  69                 break;
  70         case S_IFREG:                   /* regular */
  71 #ifdef S_ARCH2
  72                 if ((mode & S_ARCH2) != 0) {
  73                         *p++ = 'A';
  74                 } else if ((mode & S_ARCH1) != 0) {
  75                         *p++ = 'a';
  76                 } else {
  77 #endif
  78                         *p++ = '-';
  79 #ifdef S_ARCH2
  80                 }
  81 #endif
  82                 break;
  83         case S_IFLNK:                   /* symbolic link */
  84                 *p++ = 'l';
  85                 break;
  86 #ifdef S_IFSOCK
  87         case S_IFSOCK:                  /* socket */
  88                 *p++ = 's';
  89                 break;
  90 #endif
  91 #ifdef S_IFIFO
  92         case S_IFIFO:                   /* fifo */
  93                 *p++ = 'p';
  94                 break;
  95 #endif
  96 #ifdef S_IFWHT
  97         case S_IFWHT:                   /* whiteout */
  98                 *p++ = 'w';
  99                 break;
 100 #endif
 101 #ifdef S_IFDOOR
 102         case S_IFDOOR:                  /* door */
 103                 *p++ = 'D';
 104                 break;
 105 #endif
 106         default:                        /* unknown */
 107                 *p++ = '?';
 108                 break;
 109         }
 110         /* usr */
 111         if (mode & S_IRUSR)
 112                 *p++ = 'r';
 113         else
 114                 *p++ = '-';
 115         if (mode & S_IWUSR)
 116                 *p++ = 'w';
 117         else
 118                 *p++ = '-';
 119         switch (mode & (S_IXUSR | S_ISUID)) {
 120         case 0:
 121                 *p++ = '-';
 122                 break;
 123         case S_IXUSR:
 124                 *p++ = 'x';
 125                 break;
 126         case S_ISUID:
 127                 *p++ = 'S';
 128                 break;
 129         case S_IXUSR | S_ISUID:
 130                 *p++ = 's';
 131                 break;
 132         }
 133         /* group */
 134         if (mode & S_IRGRP)
 135                 *p++ = 'r';
 136         else
 137                 *p++ = '-';
 138         if (mode & S_IWGRP)
 139                 *p++ = 'w';
 140         else
 141                 *p++ = '-';
 142         switch (mode & (S_IXGRP | S_ISGID)) {
 143         case 0:
 144                 *p++ = '-';
 145                 break;
 146         case S_IXGRP:
 147                 *p++ = 'x';
 148                 break;
 149         case S_ISGID:
 150                 *p++ = 'S';
 151                 break;
 152         case S_IXGRP | S_ISGID:
 153                 *p++ = 's';
 154                 break;
 155         }
 156         /* other */
 157         if (mode & S_IROTH)
 158                 *p++ = 'r';
 159         else
 160                 *p++ = '-';
 161         if (mode & S_IWOTH)
 162                 *p++ = 'w';
 163         else
 164                 *p++ = '-';
 165         switch (mode & (S_IXOTH | S_ISVTX)) {
 166         case 0:
 167                 *p++ = '-';
 168                 break;
 169         case S_IXOTH:
 170                 *p++ = 'x';
 171                 break;
 172         case S_ISVTX:
 173                 *p++ = 'T';
 174                 break;
 175         case S_IXOTH | S_ISVTX:
 176                 *p++ = 't';
 177                 break;
 178         }
 179         *p++ = ' ';             /* will be a '+' if ACL's implemented */
 180         *p = '\0';
 181 }
 182 #endif /* !HAVE_STRMODE */