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rcs4.lha
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rcskeys.c
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1993-03-03
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/*
* RCS keyword table and match operation
*/
#ifndef lint
static char rcsid[]= "$Id: rcskeys.c,v 4.2 87/10/18 10:36:33 narten Exp $ Purdue CS";
#endif
/**********************************************************************************
**********************************************************************************
*
* Copyright (C) 1982 by Walter F. Tichy
* Purdue University
* Computer Science Department
* West Lafayette, IN 47907
*
* All rights reserved. No part of this software may be sold or distributed
* in any form or by any means without the prior written permission of the
* author.
* Report problems and direct all inquiries to Tichy@purdue (ARPA net).
*/
/* $Log: rcskeys.c,v $
* 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 1.1 84/01/23 14:50:32 kcs
* Initial revision
*
* Revision 4.1 83/05/04 10:06:53 wft
* Initial revision.
*
*/
#include "rcsbase.h"
struct { char * keyword; enum markers marker;} markertable[] =
{{AUTHOR, Author },
{DATE, Date },
{HEADER, Header },
{IDH, Id },
{LOCKER, Locker },
{LOG, Log },
{RCSFILE, RCSfile },
{REVISION, Revision},
{SOURCE, Source },
{STATE, State },
{nil, Nomatch }};
enum markers trymatch(string,onlyvdelim)
char * string;
/* function: Checks whether string starts with a keyword followed
* by a KDELIM or a VDELIM. If onlyvdelim==true, only a VDELIM
* may follow the keyword.
* If successful, returns the appropriate marker, otherwise Nomatch.
*/
{
register int j;
register char * p, * s;
for (j=0; markertable[j].keyword!=nil; j++ ) {
/* try next keyword */
p = markertable[j].keyword; s = string;
while (*p!='\0' && *s!='\0' && *p == *s) {
p++; s++;
}
if (*p != '\0') continue; /* no match */
if ((*s == VDELIM) || (!onlyvdelim && (*s == KDELIM)))
return(markertable[j].marker);
}
return(Nomatch);
}