1 /* vi: set sw=4 ts=4: */
5 * Copyright (C) many different people. If you wrote this, please
6 * acknowledge your work.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
29 #define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
30 #define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
32 /* The special bits. If set, display SMODE0/1 instead of MODE0/1 */
33 static const mode_t SBIT[] = {
39 /* The 9 mode bits to test */
40 static const mode_t MBIT[] = {
41 S_IRUSR, S_IWUSR, S_IXUSR,
42 S_IRGRP, S_IWGRP, S_IXGRP,
43 S_IROTH, S_IWOTH, S_IXOTH
46 static const char MODE1[] = "rwxrwxrwx";
47 static const char MODE0[] = "---------";
48 static const char SMODE1[] = "..s..s..t";
49 static const char SMODE0[] = "..S..S..T";
52 * Return the standard ls-like mode string from a file mode.
53 * This is static and so is overwritten on each call.
55 const char *mode_string(int mode)
61 buf[0] = TYPECHAR(mode);
62 for (i = 0; i < 9; i++) {
64 buf[i + 1] = (mode & MBIT[i]) ? SMODE1[i] : SMODE0[i];
66 buf[i + 1] = (mode & MBIT[i]) ? MODE1[i] : MODE0[i];