2002-07-24 16:23:10 +00:00
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/* $Header: /src/pub/tcsh/sh.dir.h,v 3.6 2002/03/08 17:36:46 christos Exp $ */
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2000-04-15 04:41:27 +00:00
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/*
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* sh.dir.h: Directory data structures and globals
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*/
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/*-
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* Copyright (c) 1980, 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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2002-07-24 16:23:10 +00:00
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* 3. Neither the name of the University nor the names of its contributors
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2000-04-15 04:41:27 +00:00
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _h_sh_dir
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#define _h_sh_dir
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/*
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* Structure for entries in directory stack.
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*/
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struct directory {
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struct directory *di_next; /* next in loop */
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struct directory *di_prev; /* prev in loop */
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unsigned short *di_count; /* refcount of processes */
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Char *di_name; /* actual name */
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};
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EXTERN struct directory *dcwd IZERO_STRUCT; /* the one we are in now */
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EXTERN int symlinks;
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#define SYM_CHASE 1
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#define SYM_IGNORE 2
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#define SYM_EXPAND 3
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#define TRM(a) ((a) & TRIM)
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#define NTRM(a) (a)
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#define ISDOT(c) (NTRM((c)[0]) == '.' && ((NTRM((c)[1]) == '\0') || \
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(NTRM((c)[1]) == '/')))
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#define ISDOTDOT(c) (NTRM((c)[0]) == '.' && ISDOT(&((c)[1])))
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#endif /* _h_sh_dir */
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