1/* vi: set sw=4 ts=4: */ 2/* 3 * Utility routines. 4 * 5 * Copyright (C) tons of folks. Tracking down who wrote what 6 * isn't something I'm going to worry about... If you wrote something 7 * here, please feel free to acknowledge your work. 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 24 * Permission has been granted to redistribute this code under the GPL. 25 * 26 */ 27 28#include <stdio.h> 29#include "libbb.h" 30 31 32 33#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f) 34#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)]) 35 36/* The special bits. If set, display SMODE0/1 instead of MODE0/1 */ 37static const mode_t SBIT[] = { 38 0, 0, S_ISUID, 39 0, 0, S_ISGID, 40 0, 0, S_ISVTX 41}; 42 43/* The 9 mode bits to test */ 44static const mode_t MBIT[] = { 45 S_IRUSR, S_IWUSR, S_IXUSR, 46 S_IRGRP, S_IWGRP, S_IXGRP, 47 S_IROTH, S_IWOTH, S_IXOTH 48}; 49 50static const char MODE1[] = "rwxrwxrwx"; 51static const char MODE0[] = "---------"; 52static const char SMODE1[] = "..s..s..t"; 53static const char SMODE0[] = "..S..S..T"; 54 55/* 56 * Return the standard ls-like mode string from a file mode. 57 * This is static and so is overwritten on each call. 58 */ 59const char *mode_string(int mode) 60{ 61 static char buf[12]; 62 63 int i; 64 65 buf[0] = TYPECHAR(mode); 66 for (i = 0; i < 9; i++) { 67 if (mode & SBIT[i]) 68 buf[i + 1] = (mode & MBIT[i]) ? SMODE1[i] : SMODE0[i]; 69 else 70 buf[i + 1] = (mode & MBIT[i]) ? MODE1[i] : MODE0[i]; 71 } 72 return buf; 73} 74 75/* END CODE */ 76/* 77Local Variables: 78c-file-style: "linux" 79c-basic-offset: 4 80tab-width: 4 81End: 82*/ 83