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strmode.c

/*-
 * Copyright (c) 1990, 1993
 *    The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    This product includes software developed by the University of
 *    California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strmode.c     8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */

#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>

void
strmode(mode, p)
      register mode_t mode;
      register char *p;
{
       /* print type */
      switch (mode & S_IFMT) {
      case S_IFDIR:                 /* directory */
            *p++ = 'd';
            break;
      case S_IFCHR:                 /* character special */
            *p++ = 'c';
            break;
      case S_IFBLK:                 /* block special */
            *p++ = 'b';
            break;
      case S_IFREG:                 /* regular */
            *p++ = '-';
            break;
      case S_IFLNK:                 /* symbolic link */
            *p++ = 'l';
            break;
      case S_IFSOCK:                /* socket */
            *p++ = 's';
            break;
#ifdef S_IFIFO
      case S_IFIFO:                 /* fifo */
            *p++ = 'p';
            break;
#endif
      default:                /* unknown */
            *p++ = '?';
            break;
      }
      /* usr */
      if (mode & S_IRUSR)
            *p++ = 'r';
      else
            *p++ = '-';
      if (mode & S_IWUSR)
            *p++ = 'w';
      else
            *p++ = '-';
      switch (mode & (S_IXUSR | S_ISUID)) {
      case 0:
            *p++ = '-';
            break;
      case S_IXUSR:
            *p++ = 'x';
            break;
      case S_ISUID:
            *p++ = 'S';
            break;
      case S_IXUSR | S_ISUID:
            *p++ = 's';
            break;
      }
      /* group */
      if (mode & S_IRGRP)
            *p++ = 'r';
      else
            *p++ = '-';
      if (mode & S_IWGRP)
            *p++ = 'w';
      else
            *p++ = '-';
      switch (mode & (S_IXGRP | S_ISGID)) {
      case 0:
            *p++ = '-';
            break;
      case S_IXGRP:
            *p++ = 'x';
            break;
      case S_ISGID:
            *p++ = 'S';
            break;
      case S_IXGRP | S_ISGID:
            *p++ = 's';
            break;
      }
      /* other */
      if (mode & S_IROTH)
            *p++ = 'r';
      else
            *p++ = '-';
      if (mode & S_IWOTH)
            *p++ = 'w';
      else
            *p++ = '-';
      switch (mode & (S_IXOTH | S_ISVTX)) {
      case 0:
            *p++ = '-';
            break;
      case S_IXOTH:
            *p++ = 'x';
            break;
      case S_ISVTX:
            *p++ = 'T';
            break;
      case S_IXOTH | S_ISVTX:
            *p++ = 't';
            break;
      }
      *p++ = ' ';       /* will be a '+' if ACL's implemented */
      *p = '\0';
}

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