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 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34#if defined(LIBC_SCCS) && !defined(lint)
35static char *rcsid =
36  "$FreeBSD$";
37#endif /* LIBC_SCCS and not lint */
38
39#include "namespace.h"
40#include <ctype.h>
41#define _NS_PRIVATE
42#include <nsswitch.h>
43#include <string.h>
44#include <syslog.h>
45#include "un-namespace.h"
46
47#include "nsparser.h"
48
49%}
50
51%option noinput
52%option nounput
53%option yylineno
54
55BLANK		[ \t]
56CR		\n
57STRING		[a-zA-Z][a-zA-Z0-9_]*
58
59%%
60
61{BLANK}+	;			/* skip whitespace */
62
63#.*		;			/* skip comments */
64
65\\{CR}		;			/* allow continuation */
66
67{CR}		return NL;
68
69[sS][uU][cC][cC][eE][sS][sS]		return SUCCESS;
70[uU][nN][aA][vV][aA][iI][lL]		return UNAVAIL;
71[nN][oO][tT][fF][oO][uU][nN][dD]	return NOTFOUND;
72[tT][rR][yY][aA][gG][aA][iI][nN]	return TRYAGAIN;
73
74[rR][eE][tT][uU][rR][nN]		return RETURN;
75[cC][oO][nN][tT][iI][nN][uU][eE]	return CONTINUE;
76
77{STRING}	{
78			char *p;
79			int i;
80
81			if ((p = strdup(yytext)) == NULL) {
82				syslog(LOG_ERR,
83			       "NSSWITCH(nslexer): memory allocation failure");
84				return ERRORTOKEN;
85			}
86			for (i = 0; i < strlen(p); i++) {
87				if (isupper((unsigned char)p[i]))
88					p[i] = tolower((unsigned char)p[i]);
89			}
90			_nsyylval.str = p;
91			return STRING;
92		}
93
94.		return yytext[0];
95
96%%
97
98#undef _nsyywrap
99int
100_nsyywrap(void)
101{
102	return 1;
103} /* _nsyywrap */
104
105void
106_nsyyerror(const char *msg)
107{
108
109	 syslog(LOG_ERR, "NSSWITCH(nslexer): %s line %d: %s at '%s'",
110	     _PATH_NS_CONF, yylineno, msg, yytext);
111} /* _nsyyerror */
112