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nslexer.l revision 1.1.4.2 
      1 %{
      2 /*	$NetBSD: nslexer.l,v 1.1.4.2 1998/11/02 03:29:36 lukem Exp $	*/
      3 
      4 /*-
      5  * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
      6  * All rights reserved.
      7  *
      8  * This code is derived from software contributed to The NetBSD Foundation
      9  * by Luke Mewburn.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *        This product includes software developed by the NetBSD
     22  *        Foundation, Inc. and its contributors.
     23  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  *    contributors may be used to endorse or promote products derived
     25  *    from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 #include <ctype.h>
     41 #include <err.h>
     42 #define _NS_PRIVATE
     43 #include <nsswitch.h>
     44 #include <string.h>
     45 
     46 #include "nsparser.h"
     47 
     48 #define YY_NO_UNPUT
     49 
     50 %}
     51 
     52 BLANK		[ \t]
     53 CR		\n
     54 DBNAME		[a-zA-Z][a-zA-Z0-9_]*
     55 
     56 %%
     57 
     58 {BLANK}+	;	/* skip whitespace */
     59 
     60 #.*		;	/* nuke comments */
     61 
     62 \\{CR}		;	/* allow continuation */
     63 
     64 {CR}		return NL;
     65 
     66 [sS][uU][cC][cC][eE][sS][sS]		return SUCCESS;
     67 [uU][nN][aA][vV][aA][iI][lL]		return UNAVAIL;
     68 [nN][oO][tT][fF][oO][uU][nN][dD]	return NOTFOUND;
     69 [tT][rR][yY][aA][gG][aA][iI][nN]	return TRYAGAIN;
     70 
     71 [rR][eE][tT][uU][rR][nN]		return RETURN;
     72 [cC][oO][nN][tT][iI][nN][uU][eE]	return CONTINUE;
     73 
     74 [fF][iI][lL][eE][sS]			return FILES;
     75 [dD][nN][sS]				return DNS;
     76 [nN][iI][sS]				return NIS;
     77 [nN][iI][sS][pP][lL][uU][sS]		return NISPLUS;
     78 [cC][oO][mM][pP][aA][tT]		return COMPAT;
     79 
     80 {DBNAME}	{
     81 			int i, c;
     82 
     83 			for (i = 0; i < NS_MAXDBLEN; i++) {
     84 				c = yytext[i];
     85 				if (isupper(c))
     86 					c = tolower(c);
     87 				_nsyylval.dbstr[i] = c;
     88 				if (! yytext[i])
     89 					break;
     90 			}
     91 			_nsyylval.dbstr[NS_MAXDBLEN - 1] = '\0';
     92 			return DATABASE;
     93 		}
     94 
     95 [:=\[\]]	return yytext[0];
     96 
     97 .		;	/* ignore all else */
     98 
     99 %%
    100 
    101 #undef _nsyywrap
    102 int
    103 _nsyywrap()
    104 {
    105 	return 1;
    106 } /* _nsyywrap */
    107 
    108 void
    109 _nsyyerror(msg)
    110 	char *msg;
    111 {
    112 
    113 		/* XXX: syslog the following */
    114 	 fprintf(stderr, "nsswitch.conf: %s at '%s'\n", msg, yytext);
    115 } /* _nsyyerror */
    116