763 lines
26 KiB
C
763 lines
26 KiB
C
/* RCS common definitions and data structures */
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#define RCSBASE "$FreeBSD$"
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/* Copyright 1982, 1988, 1989 Walter Tichy
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Copyright 1990, 1991, 1992, 1993, 1994, 1995 Paul Eggert
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Distributed under license by the Free Software Foundation, Inc.
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This file is part of RCS.
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RCS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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RCS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with RCS; see the file COPYING.
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If not, write to the Free Software Foundation,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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Report problems and direct all questions to:
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rcs-bugs@cs.purdue.edu
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*/
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/*
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* Revision 5.20 1995/06/16 06:19:24 eggert
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* Update FSF address.
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*
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* Revision 5.19 1995/06/01 16:23:43 eggert
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* (SIZEABLE_PATH): Don't depend on PATH_MAX: it's not worth configuring.
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* (Ioffset_type,BINARY_EXPAND,MIN_UNEXPAND,MIN_UNCHANGED_EXPAND): New macros.
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* (maps_memory): New macro; replaces many instances of `has_mmap'.
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* (cacheptr): Renamed from cachetell.
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* (struct RILE): New alternate name for RILE; the type is now recursive.
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* (deallocate): New member for RILE, used for generic buffer deallocation.
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* (cacheunget_): No longer take a failure arg; just call Ierror on failure.
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* (struct rcslock): Renamed from struct lock, to avoid collisions with
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* system headers on some hosts. All users changed.
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* (basefilename): Renamed from basename, likewise.
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* (dirtpname): Remove; no longer external.
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* (dirlen, dateform): Remove; no longer used.
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* (cmpdate, fopenSafer, fdSafer, readAccessFilenameBuffer): New functions.
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* (zonelenmax): Increase to 9 for full ISO 8601 format.
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* (catchmmapints): Depend on has_NFS.
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*
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* Revision 5.18 1994/03/17 14:05:48 eggert
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* Add primitives for reading backwards from a RILE;
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* this is needed to go back and find the $Log prefix.
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* Specify subprocess input via file descriptor, not file name. Remove lint.
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*
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* Revision 5.17 1993/11/09 17:40:15 eggert
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* Move RCS-specific time handling into rcstime.c.
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* printf_string now takes two arguments, alas.
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*
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* Revision 5.16 1993/11/03 17:42:27 eggert
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* Don't arbitrarily limit the number of joins. Remove `nil'.
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* Add Name keyword. Don't discard ignored phrases.
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* Add support for merge -A vs -E, and allow up to three labels.
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* Improve quality of diagnostics and prototypes.
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*
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* Revision 5.15 1992/07/28 16:12:44 eggert
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* Statement macro names now end in _.
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*
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* Revision 5.14 1992/02/17 23:02:22 eggert
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* Add -T support. Work around NFS mmap SIGBUS problem.
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*
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* Revision 5.13 1992/01/24 18:44:19 eggert
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* Add support for bad_creat0. lint -> RCS_lint
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*
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* Revision 5.12 1992/01/06 02:42:34 eggert
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* while (E) ; -> while (E) continue;
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*
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* Revision 5.11 1991/10/07 17:32:46 eggert
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* Support piece tables even if !has_mmap.
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*
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* Revision 5.10 1991/09/24 00:28:39 eggert
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* Remove unexported functions.
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*
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* Revision 5.9 1991/08/19 03:13:55 eggert
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* Add piece tables and other tuneups, and NFS workarounds.
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*
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* Revision 5.8 1991/04/21 11:58:20 eggert
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* Add -x, RCSINIT, MS-DOS support.
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*
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* Revision 5.7 1991/02/28 19:18:50 eggert
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* Try setuid() if seteuid() doesn't work.
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*
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* Revision 5.6 1991/02/26 17:48:37 eggert
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* Support new link behavior. Move ANSI C / Posix declarations into conf.sh.
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*
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* Revision 5.5 1990/12/04 05:18:43 eggert
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* Use -I for prompts and -q for diagnostics.
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*
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* Revision 5.4 1990/11/01 05:03:35 eggert
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* Don't assume that builtins are functions; they may be macros.
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* Permit arbitrary data in logs.
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*
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* Revision 5.3 1990/09/26 23:36:58 eggert
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* Port wait() to non-Posix ANSI C hosts.
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*
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* Revision 5.2 1990/09/04 08:02:20 eggert
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* Don't redefine NAME_MAX, PATH_MAX.
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* Improve incomplete line handling. Standardize yes-or-no procedure.
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*
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* Revision 5.1 1990/08/29 07:13:53 eggert
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* Add -kkvl. Fix type typos exposed by porting. Clean old log messages too.
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*
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* Revision 5.0 1990/08/22 08:12:44 eggert
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* Adjust ANSI C / Posix support. Add -k, -V, setuid. Don't call access().
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* Remove compile-time limits; use malloc instead.
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* Ansify and Posixate. Add support for ISO 8859.
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* Remove snoop and v2 support.
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*
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* Revision 4.9 89/05/01 15:17:14 narten
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* botched previous USG fix
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*
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* Revision 4.8 89/05/01 14:53:05 narten
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* changed #include <strings.h> -> string.h for USG systems.
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*
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* Revision 4.7 88/11/08 15:58:45 narten
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* removed defs for functions loaded from libraries
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*
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* Revision 4.6 88/08/09 19:12:36 eggert
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* Shrink stdio code size; remove lint; permit -Dhshsize=nn.
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*
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* Revision 4.5 87/12/18 17:06:41 narten
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* made removed BSD ifdef, now uses V4_2BSD
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*
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* Revision 4.4 87/10/18 10:29:49 narten
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* Updating version numbers
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* Changes relative to 1.1 are actually relative to 4.2
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*
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* Revision 1.3 87/09/24 14:02:25 narten
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* changes for lint
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*
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* Revision 1.2 87/03/27 14:22:02 jenkins
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* Port to suns
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*
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* Revision 4.2 83/12/20 16:04:20 wft
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* merged 3.6.1.1 and 4.1 (SMALLOG, logsize).
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* moved setting of STRICT_LOCKING to Makefile.
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* changed DOLLAR to UNKN (conflict with KDELIM).
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*
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* Revision 4.1 83/05/04 09:12:41 wft
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* Added markers Id and RCSfile.
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* Added Dbranch for default branches.
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*
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* Revision 3.6.1.1 83/12/02 21:56:22 wft
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* Increased logsize, added macro SMALLOG.
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*
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* Revision 3.6 83/01/15 16:43:28 wft
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* 4.2 prerelease
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*
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* Revision 3.6 83/01/15 16:43:28 wft
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* Replaced dbm.h with BYTESIZ, fixed definition of rindex().
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* Added variants of NCPFN and NCPPN for bsd 4.2, selected by defining V4_2BSD.
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* Added macro DELNUMFORM to have uniform format for printing delta text nodes.
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* Added macro DELETE to mark deleted deltas.
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*
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* Revision 3.5 82/12/10 12:16:56 wft
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* Added two forms of DATEFORM, one using %02d, the other %.2d.
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*
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* Revision 3.4 82/12/04 20:01:25 wft
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* added LOCKER, Locker, and USG (redefinition of rindex).
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*
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* Revision 3.3 82/12/03 12:22:04 wft
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* Added dbm.h, stdio.h, RCSBASE, RCSSEP, RCSSUF, WORKMODE, TMPFILE3,
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* PRINTDATE, PRINTTIME, map, and ctab; removed Suffix. Redefined keyvallength
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* using NCPPN. Changed putc() to abort on write error.
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*
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* Revision 3.2 82/10/18 15:03:52 wft
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* added macro STRICT_LOCKING, removed RCSUMASK.
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* renamed JOINFILE[1,2] to JOINFIL[1,2].
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*
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* Revision 3.1 82/10/11 19:41:17 wft
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* removed NBPW, NBPC, NCPW.
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* added typdef int void to aid compiling
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*/
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#include "conf.h"
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#define EXIT_TROUBLE DIFF_TROUBLE
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#ifdef _POSIX_PATH_MAX
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# define SIZEABLE_PATH _POSIX_PATH_MAX
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#else
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# define SIZEABLE_PATH 255 /* size of a large path; not a hard limit */
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#endif
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/* for traditional C hosts with unusual size arguments */
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#define Fread(p,s,n,f) fread(p, (freadarg_type)(s), (freadarg_type)(n), f)
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#define Fwrite(p,s,n,f) fwrite(p, (freadarg_type)(s), (freadarg_type)(n), f)
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/*
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* Parameters
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*/
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/* backwards compatibility with old versions of RCS */
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#define VERSION_min 3 /* old output RCS format supported */
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#define VERSION_max 5 /* newest output RCS format supported */
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#ifndef VERSION_DEFAULT /* default RCS output format */
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# define VERSION_DEFAULT VERSION_max
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#endif
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#define VERSION(n) ((n) - VERSION_DEFAULT) /* internally, 0 is the default */
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#ifndef STRICT_LOCKING
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#define STRICT_LOCKING 1
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#endif
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/* 0 sets the default locking to non-strict; */
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/* used in experimental environments. */
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/* 1 sets the default locking to strict; */
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/* used in production environments. */
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#define yearlength 16 /* (good through AD 9,999,999,999,999,999) */
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#define datesize (yearlength+16) /* size of output of time2date */
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#define RCSTMPPREFIX '_' /* prefix for temp files in working dir */
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#define KDELIM '$' /* delimiter for keywords */
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#define VDELIM ':' /* separates keywords from values */
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#define DEFAULTSTATE "Exp" /* default state of revisions */
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#define true 1
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#define false 0
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/*
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* RILE - readonly file
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* declarecache; - declares local cache for RILE variable(s)
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* setupcache - sets up the local RILE cache, but does not initialize it
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* cache, uncache - caches and uncaches the local RILE;
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* (uncache,cache) is needed around functions that advance the RILE pointer
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* Igeteof_(f,c,s) - get a char c from f, executing statement s at EOF
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* cachegeteof_(c,s) - Igeteof_ applied to the local RILE
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* Iget_(f,c) - like Igeteof_, except EOF is an error
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* cacheget_(c) - Iget_ applied to the local RILE
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* cacheunget_(f,c,s) - read c backwards from cached f, executing s at BOF
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* Ifileno, Ioffset_type, Irewind, Itell - analogs to stdio routines
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*
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* By conventions, macros whose names end in _ are statements, not expressions.
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* Following such macros with `; else' results in a syntax error.
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*/
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#define maps_memory (has_map_fd || has_mmap)
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#if large_memory
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typedef unsigned char const *Iptr_type;
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typedef struct RILE {
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Iptr_type ptr, lim;
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unsigned char *base; /* not Iptr_type for lint's sake */
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unsigned char *readlim;
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int fd;
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# if maps_memory
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void (*deallocate) P((struct RILE *));
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# else
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FILE *stream;
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# endif
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} RILE;
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# if maps_memory
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# define declarecache register Iptr_type ptr, lim
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# define setupcache(f) (lim = (f)->lim)
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# define Igeteof_(f,c,s) if ((f)->ptr==(f)->lim) s else (c)= *(f)->ptr++;
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# define cachegeteof_(c,s) if (ptr==lim) s else (c)= *ptr++;
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# else
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int Igetmore P((RILE*));
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# define declarecache register Iptr_type ptr; register RILE *rRILE
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# define setupcache(f) (rRILE = (f))
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# define Igeteof_(f,c,s) if ((f)->ptr==(f)->readlim && !Igetmore(f)) s else (c)= *(f)->ptr++;
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# define cachegeteof_(c,s) if (ptr==rRILE->readlim && !Igetmore(rRILE)) s else (c)= *ptr++;
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# endif
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# define uncache(f) ((f)->ptr = ptr)
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# define cache(f) (ptr = (f)->ptr)
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# define Iget_(f,c) Igeteof_(f,c,Ieof();)
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# define cacheget_(c) cachegeteof_(c,Ieof();)
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# define cacheunget_(f,c) (c)=(--ptr)[-1];
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# define Ioffset_type size_t
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# define Itell(f) ((f)->ptr - (f)->base)
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# define Irewind(f) ((f)->ptr = (f)->base)
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# define cacheptr() ptr
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# define Ifileno(f) ((f)->fd)
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#else
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# define RILE FILE
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# define declarecache register FILE *ptr
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# define setupcache(f) (ptr = (f))
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# define uncache(f)
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# define cache(f)
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# define Igeteof_(f,c,s) {if(((c)=getc(f))==EOF){testIerror(f);if(feof(f))s}}
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# define cachegeteof_(c,s) Igeteof_(ptr,c,s)
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# define Iget_(f,c) { if (((c)=getc(f))==EOF) testIeof(f); }
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# define cacheget_(c) Iget_(ptr,c)
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# define cacheunget_(f,c) if(fseek(ptr,-2L,SEEK_CUR))Ierror();else cacheget_(c)
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# define Ioffset_type long
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# define Itell(f) ftell(f)
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# define Ifileno(f) fileno(f)
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#endif
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/* Print a char, but abort on write error. */
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#define aputc_(c,o) { if (putc(c,o)==EOF) testOerror(o); }
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/* Get a character from an RCS file, perhaps copying to a new RCS file. */
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#define GETCeof_(o,c,s) { cachegeteof_(c,s) if (o) aputc_(c,o) }
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#define GETC_(o,c) { cacheget_(c) if (o) aputc_(c,o) }
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#define WORKMODE(RCSmode, writable) (((RCSmode)&(mode_t)~(S_IWUSR|S_IWGRP|S_IWOTH)) | ((writable)?S_IWUSR:0))
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/* computes mode of working file: same as RCSmode, but write permission */
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/* determined by writable */
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/* character classes and token codes */
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enum tokens {
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/* classes */ DELIM, DIGIT, IDCHAR, NEWLN, LETTER, Letter,
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PERIOD, SBEGIN, SPACE, UNKN,
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/* tokens */ COLON, ID, NUM, SEMI, STRING
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};
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#define SDELIM '@' /* the actual character is needed for string handling*/
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/* SDELIM must be consistent with ctab[], so that ctab[SDELIM]==SBEGIN.
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* there should be no overlap among SDELIM, KDELIM, and VDELIM
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*/
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#define isdigit(c) (((unsigned)(c)-'0') <= 9) /* faster than ctab[c]==DIGIT */
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/***************************************
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* Data structures for the symbol table
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***************************************/
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/* Buffer of arbitrary data */
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struct buf {
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char *string;
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size_t size;
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};
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struct cbuf {
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char const *string;
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size_t size;
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};
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/* Hash table entry */
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struct hshentry {
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char const * num; /* pointer to revision number (ASCIZ) */
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char const * date; /* pointer to date of checkin */
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char const * author; /* login of person checking in */
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char const * lockedby; /* who locks the revision */
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char const * state; /* state of revision (Exp by default) */
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char const * name; /* name (if any) by which retrieved */
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struct cbuf log; /* log message requested at checkin */
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struct branchhead * branches; /* list of first revisions on branches*/
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struct cbuf ig; /* ignored phrases in admin part */
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struct cbuf igtext; /* ignored phrases in deltatext part */
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struct hshentry * next; /* next revision on same branch */
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struct hshentry * nexthsh; /* next revision with same hash value */
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long insertlns;/* lines inserted (computed by rlog) */
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long deletelns;/* lines deleted (computed by rlog) */
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char selector; /* true if selected, false if deleted */
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};
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/* list of hash entries */
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struct hshentries {
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struct hshentries *rest;
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struct hshentry *first;
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};
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/* list element for branch lists */
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struct branchhead {
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struct hshentry * hsh;
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struct branchhead * nextbranch;
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};
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/* accesslist element */
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struct access {
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char const * login;
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struct access * nextaccess;
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};
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/* list element for locks */
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struct rcslock {
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char const * login;
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struct hshentry * delta;
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struct rcslock * nextlock;
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};
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/* list element for symbolic names */
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struct assoc {
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char const * symbol;
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char const * num;
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struct assoc * nextassoc;
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};
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#define mainArgs (argc,argv) int argc; char **argv;
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#if RCS_lint
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# define libId(name,rcsid)
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# define mainProg(name,cmd,rcsid) int name mainArgs
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#else
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# define libId(name,rcsid) char const name[] = rcsid;
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# define mainProg(n,c,i) char const Copyright[] = "Copyright 1982,1988,1989 Walter F. Tichy, Purdue CS\nCopyright 1990,1991,1992,1993,1994,1995 Paul Eggert", baseid[] = RCSBASE, cmdid[] = c; libId(n,i) int main P((int,char**)); int main mainArgs
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#endif
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/*
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* Markers for keyword expansion (used in co and ident)
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* Every byte must have class LETTER or Letter.
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*/
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#define AUTHOR "Author"
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#define DATE "Date"
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#define HEADER "Header"
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#define IDH "Id"
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#define LOCKER "Locker"
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#define LOG "Log"
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#define NAME "Name"
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#define RCSFILE "RCSfile"
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#define REVISION "Revision"
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#define SOURCE "Source"
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#define STATE "State"
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#define CVSHEADER "CVSHeader"
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#define keylength 9 /* max length of any of the above keywords */
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enum markers { Nomatch, Author, Date, Header, Id,
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Locker, Log, Name, RCSfile, Revision, Source, State, CVSHeader,
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LocalId };
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/* This must be in the same order as rcskeys.c's Keyword[] array. */
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#define DELNUMFORM "\n\n%s\n%s\n"
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/* used by putdtext and scanlogtext */
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#define EMPTYLOG "*** empty log message ***" /* used by ci and rlog */
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/* main program */
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extern char const cmdid[];
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void exiterr P((void)) exiting;
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/* merge */
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int merge P((int,char const*,char const*const[3],char const*const[3]));
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/* rcsedit */
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#define ciklogsize 23 /* sizeof("checked in with -k by ") */
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extern FILE *fcopy;
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extern char const *resultname;
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extern char const ciklog[ciklogsize];
|
|
extern int locker_expansion;
|
|
RILE *rcswriteopen P((struct buf*,struct stat*,int));
|
|
char const *makedirtemp P((int));
|
|
char const *getcaller P((void));
|
|
int addlock P((struct hshentry*,int));
|
|
int addsymbol P((char const*,char const*,int));
|
|
int checkaccesslist P((void));
|
|
int chnamemod P((FILE**,char const*,char const*,int,mode_t,time_t));
|
|
int donerewrite P((int,time_t));
|
|
int dorewrite P((int,int));
|
|
int expandline P((RILE*,FILE*,struct hshentry const*,int,FILE*,int));
|
|
int findlock P((int,struct hshentry**));
|
|
int setmtime P((char const*,time_t));
|
|
void ORCSclose P((void));
|
|
void ORCSerror P((void));
|
|
void copystring P((void));
|
|
void dirtempunlink P((void));
|
|
void enterstring P((void));
|
|
void finishedit P((struct hshentry const*,FILE*,int));
|
|
void keepdirtemp P((char const*));
|
|
void openfcopy P((FILE*));
|
|
void snapshotedit P((FILE*));
|
|
void xpandstring P((struct hshentry const*));
|
|
#if has_NFS || bad_unlink
|
|
int un_link P((char const*));
|
|
#else
|
|
# define un_link(s) unlink(s)
|
|
#endif
|
|
#if large_memory
|
|
void edit_string P((void));
|
|
# define editstring(delta) edit_string()
|
|
#else
|
|
void editstring P((struct hshentry const*));
|
|
#endif
|
|
|
|
/* rcsfcmp */
|
|
int rcsfcmp P((RILE*,struct stat const*,char const*,struct hshentry const*));
|
|
|
|
/* rcsfnms */
|
|
#define bufautobegin(b) clear_buf(b)
|
|
#define clear_buf(b) (VOID ((b)->string = 0, (b)->size = 0))
|
|
extern FILE *workstdout;
|
|
extern char *workname;
|
|
extern char const *RCSname;
|
|
extern char const *suffixes;
|
|
extern int fdlock;
|
|
extern struct stat RCSstat;
|
|
RILE *rcsreadopen P((struct buf*,struct stat*,int));
|
|
char *bufenlarge P((struct buf*,char const**));
|
|
char const *basefilename P((char const*));
|
|
char const *getfullRCSname P((void));
|
|
char const *getfullCVSname P((void));
|
|
char const *maketemp P((int));
|
|
char const *rcssuffix P((char const*));
|
|
int pairnames P((int,char**,RILE*(*)P((struct buf*,struct stat*,int)),int,int));
|
|
struct cbuf bufremember P((struct buf*,size_t));
|
|
void bufalloc P((struct buf*,size_t));
|
|
void bufautoend P((struct buf*));
|
|
void bufrealloc P((struct buf*,size_t));
|
|
void bufscat P((struct buf*,char const*));
|
|
void bufscpy P((struct buf*,char const*));
|
|
void tempunlink P((void));
|
|
|
|
/* rcsgen */
|
|
extern int interactiveflag;
|
|
extern struct buf curlogbuf;
|
|
char const *buildrevision P((struct hshentries const*,struct hshentry*,FILE*,int));
|
|
int getcstdin P((void));
|
|
int putdtext P((struct hshentry const*,char const*,FILE*,int));
|
|
int ttystdin P((void));
|
|
int yesorno P((int,char const*,...)) printf_string(2,3);
|
|
struct cbuf cleanlogmsg P((char*,size_t));
|
|
struct cbuf getsstdin P((char const*,char const*,char const*,struct buf*));
|
|
void putdesc P((int,char*));
|
|
void putdftext P((struct hshentry const*,RILE*,FILE*,int));
|
|
|
|
/* rcskeep */
|
|
extern int prevkeys;
|
|
extern struct buf prevauthor, prevdate, prevname, prevrev, prevstate;
|
|
int getoldkeys P((RILE*));
|
|
|
|
/* rcskeys */
|
|
extern char const *Keyword[];
|
|
extern enum markers LocalIdMode;
|
|
enum markers trymatch P((char const*));
|
|
void setRCSLocalId(char const *);
|
|
void setIncExc(char const *);
|
|
|
|
/* rcslex */
|
|
extern FILE *foutptr;
|
|
extern FILE *frewrite;
|
|
extern RILE *finptr;
|
|
extern char const *NextString;
|
|
extern enum tokens nexttok;
|
|
extern int hshenter;
|
|
extern int nerror;
|
|
extern int nextc;
|
|
extern int quietflag;
|
|
extern long rcsline;
|
|
char const *getid P((void));
|
|
void efaterror P((char const*)) exiting;
|
|
void enfaterror P((int,char const*)) exiting;
|
|
void fatcleanup P((int)) exiting;
|
|
void faterror P((char const*,...)) printf_string_exiting(1,2);
|
|
void fatserror P((char const*,...)) printf_string_exiting(1,2);
|
|
void rcsfaterror P((char const*,...)) printf_string_exiting(1,2);
|
|
void Ieof P((void)) exiting;
|
|
void Ierror P((void)) exiting;
|
|
void Oerror P((void)) exiting;
|
|
char *checkid P((char*,int));
|
|
char *checksym P((char*,int));
|
|
int eoflex P((void));
|
|
int getkeyopt P((char const*));
|
|
int getlex P((enum tokens));
|
|
struct cbuf getphrases P((char const*));
|
|
struct cbuf savestring P((struct buf*));
|
|
struct hshentry *getnum P((void));
|
|
void Ifclose P((RILE*));
|
|
void Izclose P((RILE**));
|
|
void Lexinit P((void));
|
|
void Ofclose P((FILE*));
|
|
void Orewind P((FILE*));
|
|
void Ozclose P((FILE**));
|
|
void aflush P((FILE*));
|
|
void afputc P((int,FILE*));
|
|
void aprintf P((FILE*,char const*,...)) printf_string(2,3);
|
|
void aputs P((char const*,FILE*));
|
|
void checksid P((char*));
|
|
void checkssym P((char*));
|
|
void diagnose P((char const*,...)) printf_string(1,2);
|
|
void eerror P((char const*));
|
|
void eflush P((void));
|
|
void enerror P((int,char const*));
|
|
void error P((char const*,...)) printf_string(1,2);
|
|
void fvfprintf P((FILE*,char const*,va_list));
|
|
void getkey P((char const*));
|
|
void getkeystring P((char const*));
|
|
void nextlex P((void));
|
|
void oflush P((void));
|
|
void printstring P((void));
|
|
void readstring P((void));
|
|
void redefined P((int));
|
|
void rcserror P((char const*,...)) printf_string(1,2);
|
|
void rcswarn P((char const*,...)) printf_string(1,2);
|
|
void testIerror P((FILE*));
|
|
void testOerror P((FILE*));
|
|
void warn P((char const*,...)) printf_string(1,2);
|
|
void warnignore P((void));
|
|
void workerror P((char const*,...)) printf_string(1,2);
|
|
void workwarn P((char const*,...)) printf_string(1,2);
|
|
#if has_madvise && has_mmap && large_memory
|
|
void advise_access P((RILE*,int));
|
|
# define if_advise_access(p,f,advice) if (p) advise_access(f,advice)
|
|
#else
|
|
# define advise_access(f,advice)
|
|
# define if_advise_access(p,f,advice)
|
|
#endif
|
|
#if large_memory && maps_memory
|
|
RILE *I_open P((char const*,struct stat*));
|
|
# define Iopen(f,m,s) I_open(f,s)
|
|
#else
|
|
RILE *Iopen P((char const*,char const*,struct stat*));
|
|
#endif
|
|
#if !large_memory
|
|
void testIeof P((FILE*));
|
|
void Irewind P((RILE*));
|
|
#endif
|
|
|
|
/* rcsmap */
|
|
extern enum tokens const ctab[];
|
|
|
|
/* rcsrev */
|
|
char *partialno P((struct buf*,char const*,int));
|
|
char const *namedrev P((char const*,struct hshentry*));
|
|
char const *tiprev P((void));
|
|
int cmpdate P((char const*,char const*));
|
|
int cmpnum P((char const*,char const*));
|
|
int cmpnumfld P((char const*,char const*,int));
|
|
int compartial P((char const*,char const*,int));
|
|
int expandsym P((char const*,struct buf*));
|
|
int fexpandsym P((char const*,struct buf*,RILE*));
|
|
struct hshentry *genrevs P((char const*,char const*,char const*,char const*,struct hshentries**));
|
|
int countnumflds P((char const*));
|
|
void getbranchno P((char const*,struct buf*));
|
|
|
|
/* rcssyn */
|
|
/* These expand modes must agree with Expand_names[] in rcssyn.c. */
|
|
#define KEYVAL_EXPAND 0 /* -kkv `$Keyword: value $' */
|
|
#define KEYVALLOCK_EXPAND 1 /* -kkvl `$Keyword: value locker $' */
|
|
#define KEY_EXPAND 2 /* -kk `$Keyword$' */
|
|
#define VAL_EXPAND 3 /* -kv `value' */
|
|
#define OLD_EXPAND 4 /* -ko use old string, omitting expansion */
|
|
#define BINARY_EXPAND 5 /* -kb like -ko, but use binary mode I/O */
|
|
#define MIN_UNEXPAND OLD_EXPAND /* min value for no logical expansion */
|
|
#define MIN_UNCHANGED_EXPAND (OPEN_O_BINARY ? BINARY_EXPAND : OLD_EXPAND)
|
|
/* min value guaranteed to yield an identical file */
|
|
struct diffcmd {
|
|
long
|
|
line1, /* number of first line */
|
|
nlines, /* number of lines affected */
|
|
adprev, /* previous 'a' line1+1 or 'd' line1 */
|
|
dafter; /* sum of previous 'd' line1 and previous 'd' nlines */
|
|
};
|
|
extern char const * Dbranch;
|
|
extern struct access * AccessList;
|
|
extern struct assoc * Symbols;
|
|
extern struct cbuf Comment;
|
|
extern struct cbuf Ignored;
|
|
extern struct rcslock *Locks;
|
|
extern struct hshentry * Head;
|
|
extern int Expand;
|
|
extern int StrictLocks;
|
|
extern int TotalDeltas;
|
|
extern char const *const expand_names[];
|
|
extern char const
|
|
Kaccess[], Kauthor[], Kbranch[], Kcomment[],
|
|
Kdate[], Kdesc[], Kexpand[], Khead[], Klocks[], Klog[],
|
|
Knext[], Kstate[], Kstrict[], Ksymbols[], Ktext[];
|
|
void unexpected_EOF P((void)) exiting;
|
|
int getdiffcmd P((RILE*,int,FILE*,struct diffcmd*));
|
|
int str2expmode P((char const*));
|
|
void getadmin P((void));
|
|
void getdesc P((int));
|
|
void gettree P((void));
|
|
void ignorephrases P((char const*));
|
|
void initdiffcmd P((struct diffcmd*));
|
|
void putadmin P((void));
|
|
void putstring P((FILE*,int,struct cbuf,int));
|
|
void puttree P((struct hshentry const*,FILE*));
|
|
|
|
/* rcstime */
|
|
#define zonelenmax 9 /* maxiumum length of time zone string, e.g. "+12:34:56" */
|
|
char const *date2str P((char const[datesize],char[datesize + zonelenmax]));
|
|
time_t date2time P((char const[datesize]));
|
|
void str2date P((char const*,char[datesize]));
|
|
void time2date P((time_t,char[datesize]));
|
|
void zone_set P((char const*));
|
|
|
|
/* rcsutil */
|
|
extern int RCSversion;
|
|
FILE *fopenSafer P((char const*,char const*));
|
|
char *cgetenv P((char const*));
|
|
char *fstr_save P((char const*));
|
|
char *str_save P((char const*));
|
|
char const *getusername P((int));
|
|
int fdSafer P((int));
|
|
int getRCSINIT P((int,char**,char***));
|
|
int run P((int,char const*,...));
|
|
int runv P((int,char const*,char const**));
|
|
malloc_type fremember P((malloc_type));
|
|
malloc_type ftestalloc P((size_t));
|
|
malloc_type testalloc P((size_t));
|
|
malloc_type testrealloc P((malloc_type,size_t));
|
|
#define ftalloc(T) ftnalloc(T,1)
|
|
#define talloc(T) tnalloc(T,1)
|
|
#if RCS_lint
|
|
extern malloc_type lintalloc;
|
|
# define ftnalloc(T,n) (lintalloc = ftestalloc(sizeof(T)*(n)), (T*)0)
|
|
# define tnalloc(T,n) (lintalloc = testalloc(sizeof(T)*(n)), (T*)0)
|
|
# define trealloc(T,p,n) (lintalloc = testrealloc((malloc_type)0, sizeof(T)*(n)), p)
|
|
# define tfree(p)
|
|
#else
|
|
# define ftnalloc(T,n) ((T*) ftestalloc(sizeof(T)*(n)))
|
|
# define tnalloc(T,n) ((T*) testalloc(sizeof(T)*(n)))
|
|
# define trealloc(T,p,n) ((T*) testrealloc((malloc_type)(p), sizeof(T)*(n)))
|
|
# define tfree(p) free((malloc_type)(p))
|
|
#endif
|
|
time_t now P((void));
|
|
void awrite P((char const*,size_t,FILE*));
|
|
void fastcopy P((RILE*,FILE*));
|
|
void ffree P((void));
|
|
void ffree1 P((char const*));
|
|
void setRCSversion P((char const*));
|
|
#if has_signal
|
|
void catchints P((void));
|
|
void ignoreints P((void));
|
|
void restoreints P((void));
|
|
#else
|
|
# define catchints()
|
|
# define ignoreints()
|
|
# define restoreints()
|
|
#endif
|
|
#if has_mmap && large_memory
|
|
# if has_NFS && mmap_signal
|
|
void catchmmapints P((void));
|
|
void readAccessFilenameBuffer P((char const*,unsigned char const*));
|
|
# else
|
|
# define catchmmapints()
|
|
# endif
|
|
#endif
|
|
#if has_getuid
|
|
uid_t ruid P((void));
|
|
# define myself(u) ((u) == ruid())
|
|
#else
|
|
# define myself(u) true
|
|
#endif
|
|
#if has_setuid
|
|
uid_t euid P((void));
|
|
void nosetid P((void));
|
|
void seteid P((void));
|
|
void setrid P((void));
|
|
#else
|
|
# define nosetid()
|
|
# define seteid()
|
|
# define setrid()
|
|
#endif
|
|
|
|
/* version */
|
|
extern char const RCS_version_string[];
|