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- /*
- * RCS keyword table and match operation
- */
-
- /* Copyright (C) 1982, 1988, 1989 Walter Tichy
- Copyright 1990, 1991 by Paul Eggert
- Distributed under license by the Free Software Foundation, Inc.
-
- This file is part of RCS.
-
- RCS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- RCS is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with RCS; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- Report problems and direct all questions to:
-
- rcs-bugs@cs.purdue.edu
-
- */
-
-
-
- /* $Log: rcskeys.c,v $
- * Revision 5.2 1991/08/19 03:13:55 eggert
- * Say `T const' instead of `const T'; it's less confusing for pointer types.
- * (This change was made in other source files too.)
- *
- * Revision 5.1 1991/04/21 11:58:25 eggert
- * Don't put , just before } in initializer.
- *
- * Revision 5.0 1990/08/22 08:12:54 eggert
- * Add -k. Ansify and Posixate.
- *
- * Revision 4.3 89/05/01 15:13:02 narten
- * changed copyright header to reflect current distribution rules
- *
- * Revision 4.2 87/10/18 10:36:33 narten
- * Updating version numbers. Changes relative to 1.1 actuallyt
- * relative to 4.1
- *
- * Revision 1.2 87/09/24 14:00:10 narten
- * Sources now pass through lint (if you ignore printf/sprintf/fprintf
- * warnings)
- *
- * Revision 4.1 83/05/04 10:06:53 wft
- * Initial revision.
- *
- */
-
-
- #include "rcsbase.h"
-
- libId(keysId, "$Id: rcskeys.c,v 5.2 1991/08/19 03:13:55 eggert Exp $")
-
-
- char const *const Keyword[] = {
- /* This must be in the same order as rcsbase.h's enum markers type. */
- nil,
- AUTHOR, DATE, HEADER, IDH,
- LOCKER, LOG, RCSFILE, REVISION, SOURCE, STATE
- };
-
-
-
- enum markers
- trymatch(string)
- char const *string;
- /* function: Checks whether string starts with a keyword followed
- * by a KDELIM or a VDELIM.
- * If successful, returns the appropriate marker, otherwise Nomatch.
- */
- {
- register int j;
- register char const *p, *s;
- for (j = sizeof(Keyword)/sizeof(*Keyword); (--j); ) {
- /* try next keyword */
- p = Keyword[j];
- s = string;
- while (*p++ == *s++) {
- if (!*p)
- switch (*s) {
- case KDELIM:
- case VDELIM:
- return (enum markers)j;
- default:
- return Nomatch;
- }
- }
- }
- return(Nomatch);
- }
-
-