nslexer.l revision 113595 
1%{
2/*	$NetBSD: nslexer.l,v 1.3 1999/01/25 00:16:17 lukem Exp $	*/
3
4/*-
5 * Copyright (c) 1997, 1998, 1999 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 <sys/cdefs.h>
41#if defined(LIBC_SCCS) && !defined(lint)
42static char *rcsid =
43  "$FreeBSD: head/lib/libc/net/nslexer.l 113595 2003-04-17 14:14:22Z nectar $";
44#endif /* LIBC_SCCS and not lint */
45
46#include "namespace.h"
47#include <ctype.h>
48#define _NS_PRIVATE
49#include <nsswitch.h>
50#include <string.h>
51#include <syslog.h>
52#include "un-namespace.h"
53
54#include "nsparser.h"
55
56#define YY_NO_UNPUT
57
58%}
59
60%option yylineno
61
62BLANK		[ \t]
63CR		\n
64STRING		[a-zA-Z][a-zA-Z0-9_]*
65
66%%
67
68{BLANK}+	;			/* skip whitespace */
69
70#.*		;			/* skip comments */
71
72\\{CR}		;			/* allow continuation */
73
74{CR}		return NL;
75
76[sS][uU][cC][cC][eE][sS][sS]		return SUCCESS;
77[uU][nN][aA][vV][aA][iI][lL]		return UNAVAIL;
78[nN][oO][tT][fF][oO][uU][nN][dD]	return NOTFOUND;
79[tT][rR][yY][aA][gG][aA][iI][nN]	return TRYAGAIN;
80
81[rR][eE][tT][uU][rR][nN]		return RETURN;
82[cC][oO][nN][tT][iI][nN][uU][eE]	return CONTINUE;
83
84{STRING}	{
85			char *p;
86			int i;
87
88			if ((p = strdup(yytext)) == NULL) {
89				syslog(LOG_ERR,
90			       "NSSWITCH(nslexer): memory allocation failure");
91				return ERRORTOKEN;
92			}
93			for (i = 0; i < strlen(p); i++) {
94				if (isupper((unsigned char)p[i]))
95					p[i] = tolower((unsigned char)p[i]);
96			}
97			_nsyylval.str = p;
98			return STRING;
99		}
100
101.		return yytext[0];
102
103%%
104
105#undef _nsyywrap
106int
107_nsyywrap()
108{
109	return 1;
110} /* _nsyywrap */
111
112void
113_nsyyerror(msg)
114	const char *msg;
115{
116
117	 syslog(LOG_ERR, "NSSWITCH(nslexer): %s line %d: %s at '%s'",
118	     _PATH_NS_CONF, yylineno, msg, yytext);
119} /* _nsyyerror */
120