1 %{
2 /*-
3 * DEVD (Device action daemon)
4 *
5 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
6 *
7 * Copyright (c) 2002 M. Warner Losh <[email protected]>
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD$
31 */
32
33 #include <ctype.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <syslog.h>
37 #include "devd.h"
38 #include "y.tab.h"
39
40 int lineno = 1;
41
42 static void
update_lineno(const char * cp)43 update_lineno(const char *cp)
44 {
45 while (*cp)
46 if (*cp++ == '\n')
47 lineno++;
48 }
49
50 %}
51
52 %option noyywrap
53 %option nounput
54 %option noinput
55
56 %%
57
58 [ \t]+ ;
59 \n lineno++;
60 ; { return SEMICOLON; }
61 #.*$ ;
62 \/\/.*$ ;
63 \/\*([^*]|(\*+([^*\/])))*\*+\/ { update_lineno(yytext); }
64 \{ { return BEGINBLOCK; }
65 \} { return ENDBLOCK; }
66 [0-9]+ { yylval.i = atoi(yytext); return NUMBER; }
67 \"[^"]+\" {
68 int len = strlen(yytext) - 2;
69 char *walker;
70 int i;
71 update_lineno(yytext);
72 if ((yylval.str = (char *) malloc(len + 1)) == NULL)
73 goto out;
74 walker = yylval.str;
75 for (i = 1; i <= len; i++) {
76 if (yytext[i] == '\\' &&
77 yytext[i + 1] == '\n') {
78 i += 2;
79 while(isspace(yytext[i]))
80 i++;
81 }
82 *walker++ = yytext[i];
83 }
84 *walker++ = '\0';
85 out:;
86 return STRING;
87 }
88
89
90 options { return OPTIONS; }
91 set { return SET; }
92 directory { return DIRECTORY; }
93 pid-file { return PID_FILE; }
94 attach { return ATTACH; }
95 detach { return DETACH; }
96 device-name { return DEVICE_NAME; }
97 media-type { return MEDIA_TYPE; }
98 class { return CLASS; }
99 subdevice { return SUBDEVICE; }
100 action { return ACTION; }
101 match { return MATCH; }
102 nomatch { return NOMATCH; }
103 notify { return NOTIFY; }
104 [A-Za-z][A-Za-z0-9_-]* {
105 yylval.str = strdup(yytext);
106 return ID;
107 }
108 %%
109
110 void
111 yyerror(const char *s)
112 {
113 syslog(LOG_ERR, "line %d: %s%s %s.\n", lineno, yytext, yytext?":":"", s);
114 }
115