1/* 2 * A single utility routine. 3 * 4 * Copyright (C) 1996 Andrew Tridgell 5 * Copyright (C) 1996 Paul Mackerras 6 * Copyright (C) 2001 Martin Pool <mbp@samba.org> 7 * Copyright (C) 2003, 2006 Wayne Davison 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 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; if not, write to the Free Software Foundation, Inc., 21 * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. 22 */ 23 24#include "rsync.h" 25 26/* Produce a string representation of Unix mode bits like that used by ls(1). 27 * The "buf" buffer must be at least 11 characters. */ 28void permstring(char *perms, mode_t mode) 29{ 30 static const char *perm_map = "rwxrwxrwx"; 31 int i; 32 33 strlcpy(perms, "----------", 11); 34 35 for (i = 0; i < 9; i++) { 36 if (mode & (1 << i)) 37 perms[9-i] = perm_map[8-i]; 38 } 39 40 /* Handle setuid/sticky bits. You might think the indices are 41 * off by one, but remember there's a type char at the 42 * start. */ 43 if (mode & S_ISUID) 44 perms[3] = (mode & S_IXUSR) ? 's' : 'S'; 45 46 if (mode & S_ISGID) 47 perms[6] = (mode & S_IXGRP) ? 's' : 'S'; 48 49#ifdef S_ISVTX 50 if (mode & S_ISVTX) 51 perms[9] = (mode & S_IXOTH) ? 't' : 'T'; 52#endif 53 54 if (S_ISDIR(mode)) 55 perms[0] = 'd'; 56 else if (S_ISLNK(mode)) 57 perms[0] = 'l'; 58 else if (S_ISBLK(mode)) 59 perms[0] = 'b'; 60 else if (S_ISCHR(mode)) 61 perms[0] = 'c'; 62 else if (S_ISSOCK(mode)) 63 perms[0] = 's'; 64 else if (S_ISFIFO(mode)) 65 perms[0] = 'p'; 66} 67