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83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) tons of folks. Tracking down who wrote what
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* isn't something I'm going to worry about... If you wrote something
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* here, please feel free to acknowledge your work.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
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* Permission has been granted to redistribute this code under the GPL.
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*
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*/
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#include <stdio.h>
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#include "libbb.h"
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#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
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#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
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/* The special bits. If set, display SMODE0/1 instead of MODE0/1 */
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static const mode_t SBIT[] = {
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0, 0, S_ISUID,
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0, 0, S_ISGID,
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0, 0, S_ISVTX
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};
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/* The 9 mode bits to test */
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static const mode_t MBIT[] = {
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S_IRUSR, S_IWUSR, S_IXUSR,
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S_IRGRP, S_IWGRP, S_IXGRP,
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S_IROTH, S_IWOTH, S_IXOTH
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};
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static const char MODE1[] = "rwxrwxrwx";
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static const char MODE0[] = "---------";
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static const char SMODE1[] = "..s..s..t";
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static const char SMODE0[] = "..S..S..T";
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/*
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* Return the standard ls-like mode string from a file mode.
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* This is static and so is overwritten on each call.
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*/
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const char *mode_string(int mode)
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{
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static char buf[12];
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int i;
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buf[0] = TYPECHAR(mode);
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for (i = 0; i < 9; i++) {
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if (mode & SBIT[i])
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buf[i + 1] = (mode & MBIT[i]) ? SMODE1[i] : SMODE0[i];
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else
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buf[i + 1] = (mode & MBIT[i]) ? MODE1[i] : MODE0[i];
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}
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return buf;
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}
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/* END CODE */
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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