1/* $NetBSD: rcskeys.c,v 1.2 2016/01/14 04:22:39 christos Exp $ */ 2 3/* RCS keyword table and match operation */ 4 5/* Copyright 1982, 1988, 1989 Walter Tichy 6 Copyright 1990, 1991, 1992, 1993, 1995 Paul Eggert 7 Distributed under license by the Free Software Foundation, Inc. 8 9This file is part of RCS. 10 11RCS is free software; you can redistribute it and/or modify 12it under the terms of the GNU General Public License as published by 13the Free Software Foundation; either version 2, or (at your option) 14any later version. 15 16RCS is distributed in the hope that it will be useful, 17but WITHOUT ANY WARRANTY; without even the implied warranty of 18MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19GNU General Public License for more details. 20 21You should have received a copy of the GNU General Public License 22along with RCS; see the file COPYING. 23If not, write to the Free Software Foundation, 2459 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 25 26Report problems and direct all questions to: 27 28 rcs-bugs@cs.purdue.edu 29 30*/ 31 32/* 33 * Log: rcskeys.c,v 34 * Revision 5.4 1995/06/16 06:19:24 eggert 35 * Update FSF address. 36 * 37 * Revision 5.3 1993/11/03 17:42:27 eggert 38 * Add Name keyword. 39 * 40 * Revision 5.2 1991/08/19 03:13:55 eggert 41 * Say `T const' instead of `const T'; it's less confusing for pointer types. 42 * (This change was made in other source files too.) 43 * 44 * Revision 5.1 1991/04/21 11:58:25 eggert 45 * Don't put , just before } in initializer. 46 * 47 * Revision 5.0 1990/08/22 08:12:54 eggert 48 * Add -k. Ansify and Posixate. 49 * 50 * Revision 4.3 89/05/01 15:13:02 narten 51 * changed copyright header to reflect current distribution rules 52 * 53 * Revision 4.2 87/10/18 10:36:33 narten 54 * Updating version numbers. Changes relative to 1.1 actuallyt 55 * relative to 4.1 56 * 57 * Revision 1.2 87/09/24 14:00:10 narten 58 * Sources now pass through lint (if you ignore printf/sprintf/fprintf 59 * warnings) 60 * 61 * Revision 4.1 83/05/04 10:06:53 wft 62 * Initial revision. 63 * 64 */ 65 66 67#include "rcsbase.h" 68 69libId(keysId, "Id: rcskeys.c,v 5.4 1995/06/16 06:19:24 eggert Exp ") 70 71 72char const *const Keyword[] = { 73 /* This must be in the same order as rcsbase.h's enum markers type. */ 74 0, 75 AUTHOR, DATE, HEADER, IDH, 76#ifdef LOCALID 77 LOCALID, 78#endif 79 LOCKER, LOG, NAME, RCSFILE, REVISION, SOURCE, STATE 80}; 81 82 83 84 enum markers 85trymatch(string) 86 char const *string; 87/* function: Checks whether string starts with a keyword followed 88 * by a KDELIM or a VDELIM. 89 * If successful, returns the appropriate marker, otherwise Nomatch. 90 */ 91{ 92 register int j; 93 register char const *p, *s; 94 for (j = sizeof(Keyword)/sizeof(*Keyword); (--j); ) { 95 /* try next keyword */ 96 p = Keyword[j]; 97 s = string; 98 while (*p++ == *s++) { 99 if (!*p) 100 switch (*s) { 101 case KDELIM: 102 case VDELIM: 103 return (enum markers)j; 104 default: 105 return Nomatch; 106 } 107 } 108 } 109 return(Nomatch); 110} 111 112