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