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Annotation of 43BSDReno/contrib/rcs/src/rcskeys.c, revision 1.1

1.1     ! root        1: /*
        !             2:  *                     RCS keyword table and match operation
        !             3:  */
        !             4: #ifndef lint
        !             5: static char rcsid[]= "$Id: rcskeys.c,v 4.3 89/05/01 15:13:02 narten Exp $ Purdue CS";
        !             6: #endif
        !             7: 
        !             8: /* Copyright (C) 1982, 1988, 1989 Walter Tichy
        !             9:  * All rights reserved.
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms are permitted
        !            12:  * provided that the above copyright notice and this paragraph are
        !            13:  * duplicated in all such forms and that any documentation,
        !            14:  * advertising materials, and other materials related to such
        !            15:  * distribution and use acknowledge that the software was developed
        !            16:  * by Walter Tichy.
        !            17:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            18:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            19:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            20:  *
        !            21:  * Report all problems and direct all questions to:
        !            22:  *   [email protected]
        !            23:  * 
        !            24: 
        !            25: 
        !            26: 
        !            27: 
        !            28: 
        !            29: 
        !            30: 
        !            31: */
        !            32: 
        !            33: 
        !            34: 
        !            35: /* $Log:       rcskeys.c,v $
        !            36:  * Revision 4.3  89/05/01  15:13:02  narten
        !            37:  * changed copyright header to reflect current distribution rules
        !            38:  * 
        !            39:  * Revision 4.2  87/10/18  10:36:33  narten
        !            40:  * Updating version numbers. Changes relative to 1.1 actuallyt
        !            41:  * relative to 4.1
        !            42:  * 
        !            43:  * Revision 1.2  87/09/24  14:00:10  narten
        !            44:  * Sources now pass through lint (if you ignore printf/sprintf/fprintf 
        !            45:  * warnings)
        !            46:  * 
        !            47:  * Revision 1.1  84/01/23  14:50:32  kcs
        !            48:  * Initial revision
        !            49:  * 
        !            50:  * Revision 4.1  83/05/04  10:06:53  wft
        !            51:  * Initial revision.
        !            52:  * 
        !            53:  */
        !            54: 
        !            55: 
        !            56: #include "rcsbase.h"
        !            57: 
        !            58: 
        !            59: 
        !            60: struct { char * keyword; enum markers marker;} markertable[] =
        !            61:         {{AUTHOR,   Author  },
        !            62:          {DATE,     Date    },
        !            63:          {HEADER,   Header  },
        !            64:          {IDH,      Id      },
        !            65:          {LOCKER,   Locker  },
        !            66:          {LOG,      Log     },
        !            67:          {RCSFILE,  RCSfile },
        !            68:          {REVISION, Revision},
        !            69:          {SOURCE,   Source  },
        !            70:          {STATE,    State   },
        !            71:          {nil,      Nomatch }};
        !            72: 
        !            73: 
        !            74: 
        !            75: enum markers trymatch(string,onlyvdelim)
        !            76: char * string;
        !            77: /* function: Checks whether string starts with a keyword followed
        !            78:  * by a KDELIM or a VDELIM. If onlyvdelim==true, only a VDELIM
        !            79:  * may follow the keyword.
        !            80:  * If successful, returns the appropriate marker, otherwise Nomatch.
        !            81:  */
        !            82: {
        !            83:         register int j;
        !            84:        register char * p, * s;
        !            85:         for (j=0; markertable[j].keyword!=nil; j++ ) {
        !            86:                /* try next keyword */
        !            87:                p = markertable[j].keyword; s = string;
        !            88:                while (*p!='\0' && *s!='\0' && *p == *s) {
        !            89:                        p++; s++;
        !            90:                }
        !            91:                if (*p != '\0') continue; /* no match */
        !            92:                if ((*s == VDELIM) || (!onlyvdelim && (*s == KDELIM)))
        !            93:                        return(markertable[j].marker);
        !            94:         }
        !            95:         return(Nomatch);
        !            96: }
        !            97: 

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