Home | History | Annotate | Line # | Download | only in string
strmode.c revision 1.2 
      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 sccsid[] = "from: @(#)strmode.c	5.3 (Berkeley) 5/18/90";*/
     36 static char rcsid[] = "$Id: strmode.c,v 1.2 1993/08/01 18:36:21 mycroft Exp $";
     37 #endif /* LIBC_SCCS and not lint */
     38 
     39 #include <sys/types.h>
     40 #include <sys/stat.h>
     41 #include <string.h>
     42 
     43 void
     44 strmode(mode, p)
     45 	register mode_t mode;
     46 	register char *p;
     47 {
     48 	 /* print type */
     49 	switch (mode & S_IFMT) {
     50 	case S_IFDIR:			/* directory */
     51 		*p++ = 'd';
     52 		break;
     53 	case S_IFCHR:			/* character special */
     54 		*p++ = 'c';
     55 		break;
     56 	case S_IFBLK:			/* block special */
     57 		*p++ = 'b';
     58 		break;
     59 	case S_IFREG:			/* regular */
     60 		*p++ = '-';
     61 		break;
     62 	case S_IFLNK:			/* symbolic link */
     63 		*p++ = 'l';
     64 		break;
     65 	case S_IFSOCK:			/* socket */
     66 		*p++ = 's';
     67 		break;
     68 #ifdef S_IFIFO
     69 	case S_IFIFO:			/* fifo */
     70 		*p++ = 'p';
     71 		break;
     72 #endif
     73 	default:			/* unknown */
     74 		*p++ = '?';
     75 		break;
     76 	}
     77 	/* usr */
     78 	if (mode & S_IRUSR)
     79 		*p++ = 'r';
     80 	else
     81 		*p++ = '-';
     82 	if (mode & S_IWUSR)
     83 		*p++ = 'w';
     84 	else
     85 		*p++ = '-';
     86 	switch (mode & (S_IXUSR | S_ISUID)) {
     87 	case 0:
     88 		*p++ = '-';
     89 		break;
     90 	case S_IXUSR:
     91 		*p++ = 'x';
     92 		break;
     93 	case S_ISUID:
     94 		*p++ = 'S';
     95 		break;
     96 	case S_IXUSR | S_ISUID:
     97 		*p++ = 's';
     98 		break;
     99 	}
    100 	/* group */
    101 	if (mode & S_IRGRP)
    102 		*p++ = 'r';
    103 	else
    104 		*p++ = '-';
    105 	if (mode & S_IWGRP)
    106 		*p++ = 'w';
    107 	else
    108 		*p++ = '-';
    109 	switch (mode & (S_IXGRP | S_ISGID)) {
    110 	case 0:
    111 		*p++ = '-';
    112 		break;
    113 	case S_IXGRP:
    114 		*p++ = 'x';
    115 		break;
    116 	case S_ISGID:
    117 		*p++ = 'S';
    118 		break;
    119 	case S_IXGRP | S_ISGID:
    120 		*p++ = 's';
    121 		break;
    122 	}
    123 	/* other */
    124 	if (mode & S_IROTH)
    125 		*p++ = 'r';
    126 	else
    127 		*p++ = '-';
    128 	if (mode & S_IWOTH)
    129 		*p++ = 'w';
    130 	else
    131 		*p++ = '-';
    132 	switch (mode & (S_IXOTH | S_ISVTX)) {
    133 	case 0:
    134 		*p++ = '-';
    135 		break;
    136 	case S_IXOTH:
    137 		*p++ = 'x';
    138 		break;
    139 	case S_ISVTX:
    140 		*p++ = 'T';
    141 		break;
    142 	case S_IXOTH | S_ISVTX:
    143 		*p++ = 't';
    144 		break;
    145 	}
    146 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
    147 	*p = '\0';
    148 }
    149