nslexer.l revision 1.2 1 1.2 lukem %{
2 1.2 lukem /* $NetBSD: nslexer.l,v 1.2 1999/01/15 12:53:25 lukem Exp $ */
3 1.2 lukem
4 1.2 lukem /*-
5 1.2 lukem * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.
6 1.2 lukem * All rights reserved.
7 1.2 lukem *
8 1.2 lukem * This code is derived from software contributed to The NetBSD Foundation
9 1.2 lukem * by Luke Mewburn.
10 1.2 lukem *
11 1.2 lukem * Redistribution and use in source and binary forms, with or without
12 1.2 lukem * modification, are permitted provided that the following conditions
13 1.2 lukem * are met:
14 1.2 lukem * 1. Redistributions of source code must retain the above copyright
15 1.2 lukem * notice, this list of conditions and the following disclaimer.
16 1.2 lukem * 2. Redistributions in binary form must reproduce the above copyright
17 1.2 lukem * notice, this list of conditions and the following disclaimer in the
18 1.2 lukem * documentation and/or other materials provided with the distribution.
19 1.2 lukem * 3. All advertising materials mentioning features or use of this software
20 1.2 lukem * must display the following acknowledgement:
21 1.2 lukem * This product includes software developed by the NetBSD
22 1.2 lukem * Foundation, Inc. and its contributors.
23 1.2 lukem * 4. Neither the name of The NetBSD Foundation nor the names of its
24 1.2 lukem * contributors may be used to endorse or promote products derived
25 1.2 lukem * from this software without specific prior written permission.
26 1.2 lukem *
27 1.2 lukem * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 1.2 lukem * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 1.2 lukem * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 1.2 lukem * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 1.2 lukem * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 1.2 lukem * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 1.2 lukem * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 1.2 lukem * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 1.2 lukem * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 1.2 lukem * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 1.2 lukem * POSSIBILITY OF SUCH DAMAGE.
38 1.2 lukem */
39 1.2 lukem
40 1.2 lukem #include <ctype.h>
41 1.2 lukem #include <err.h>
42 1.2 lukem #define _NS_PRIVATE
43 1.2 lukem #include <nsswitch.h>
44 1.2 lukem #include <string.h>
45 1.2 lukem
46 1.2 lukem #include "nsparser.h"
47 1.2 lukem
48 1.2 lukem #define YY_NO_UNPUT
49 1.2 lukem
50 1.2 lukem %}
51 1.2 lukem
52 1.2 lukem %option yylineno
53 1.2 lukem
54 1.2 lukem BLANK [ \t]
55 1.2 lukem CR \n
56 1.2 lukem STRING [a-zA-Z][a-zA-Z0-9_]*
57 1.2 lukem
58 1.2 lukem %%
59 1.2 lukem
60 1.2 lukem {BLANK}+ ; /* skip whitespace */
61 1.2 lukem
62 1.2 lukem #.* ; /* skip comments */
63 1.2 lukem
64 1.2 lukem \\{CR} ; /* allow continuation */
65 1.2 lukem
66 1.2 lukem {CR} return NL;
67 1.2 lukem
68 1.2 lukem [sS][uU][cC][cC][eE][sS][sS] return SUCCESS;
69 1.2 lukem [uU][nN][aA][vV][aA][iI][lL] return UNAVAIL;
70 1.2 lukem [nN][oO][tT][fF][oO][uU][nN][dD] return NOTFOUND;
71 1.2 lukem [tT][rR][yY][aA][gG][aA][iI][nN] return TRYAGAIN;
72 1.2 lukem
73 1.2 lukem [rR][eE][tT][uU][rR][nN] return RETURN;
74 1.2 lukem [cC][oO][nN][tT][iI][nN][uU][eE] return CONTINUE;
75 1.2 lukem
76 1.2 lukem {STRING} {
77 1.2 lukem char *p;
78 1.2 lukem int i;
79 1.2 lukem
80 1.2 lukem if ((p = strdup(yytext)) == NULL)
81 1.2 lukem err(1, "nsdispatch: memory allocation failure");
82 1.2 lukem
83 1.2 lukem for (i = 0; i < strlen(p); i++) {
84 1.2 lukem if (isupper((unsigned char)p[i]))
85 1.2 lukem p[i] = tolower((unsigned char)p[i]);
86 1.2 lukem }
87 1.2 lukem _nsyylval.str = p;
88 1.2 lukem return STRING;
89 1.2 lukem }
90 1.2 lukem
91 1.2 lukem [:=\[\]] return yytext[0];
92 1.2 lukem
93 1.2 lukem . ; /* ignore all else */
94 1.2 lukem
95 1.2 lukem %%
96 1.2 lukem
97 1.2 lukem #undef _nsyywrap
98 1.2 lukem int
99 1.2 lukem _nsyywrap()
100 1.2 lukem {
101 1.2 lukem return 1;
102 1.2 lukem } /* _nsyywrap */
103 1.2 lukem
104 1.2 lukem void
105 1.2 lukem _nsyyerror(msg)
106 1.2 lukem const char *msg;
107 1.2 lukem {
108 1.2 lukem
109 1.2 lukem warnx("%s line %d: %s at '%s'", _PATH_NS_CONF, yylineno, msg, yytext);
110 1.2 lukem } /* _nsyyerror */
111