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