1294332Sdes/* $Header: /p/tcsh/cvsroot/tcsh/sh.dir.h,v 3.6 2002/03/08 17:36:46 christos Exp $ */ 2276707Sdes/* 3276707Sdes * sh.dir.h: Directory data structures and globals 4276707Sdes */ 5276707Sdes/*- 6276707Sdes * Copyright (c) 1980, 1991 The Regents of the University of California. 7276707Sdes * All rights reserved. 8276707Sdes * 9276707Sdes * Redistribution and use in source and binary forms, with or without 10276707Sdes * modification, are permitted provided that the following conditions 11276707Sdes * are met: 12276707Sdes * 1. Redistributions of source code must retain the above copyright 13276707Sdes * notice, this list of conditions and the following disclaimer. 14276707Sdes * 2. Redistributions in binary form must reproduce the above copyright 15276707Sdes * notice, this list of conditions and the following disclaimer in the 16276707Sdes * documentation and/or other materials provided with the distribution. 17276707Sdes * 3. Neither the name of the University nor the names of its contributors 18276707Sdes * may be used to endorse or promote products derived from this software 19276707Sdes * without specific prior written permission. 20276707Sdes * 21276707Sdes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22276707Sdes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23294332Sdes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24276707Sdes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25276707Sdes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26276707Sdes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27276707Sdes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28276707Sdes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29276707Sdes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30276707Sdes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31276707Sdes * SUCH DAMAGE. 32276707Sdes */ 33294332Sdes#ifndef _h_sh_dir 34294332Sdes#define _h_sh_dir 35276707Sdes/* 36276707Sdes * Structure for entries in directory stack. 37294332Sdes */ 38276707Sdesstruct directory { 39276707Sdes struct directory *di_next; /* next in loop */ 40276707Sdes struct directory *di_prev; /* prev in loop */ 41276707Sdes unsigned short *di_count; /* refcount of processes */ 42276707Sdes Char *di_name; /* actual name */ 43276707Sdes}; 44276707SdesEXTERN struct directory *dcwd IZERO_STRUCT; /* the one we are in now */ 45276707SdesEXTERN int symlinks; 46276707Sdes 47276707Sdes#define SYM_CHASE 1 48276707Sdes#define SYM_IGNORE 2 49276707Sdes#define SYM_EXPAND 3 50276707Sdes 51276707Sdes#define TRM(a) ((a) & TRIM) 52276707Sdes#define NTRM(a) (a) 53276707Sdes#define ISDOT(c) (NTRM((c)[0]) == '.' && ((NTRM((c)[1]) == '\0') || \ 54276707Sdes (NTRM((c)[1]) == '/'))) 55276707Sdes#define ISDOTDOT(c) (NTRM((c)[0]) == '.' && ISDOT(&((c)[1]))) 56276707Sdes 57276707Sdes#endif /* _h_sh_dir */ 58276707Sdes