1 %{ 2 /*- 3 * DEVD (Device action daemon) 4 * 5 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 6 * 7 * Copyright (c) 2002 M. Warner Losh <imp@FreeBSD.org> 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 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