1%{ 2/*- 3 * DEVD (Device action daemon) 4 * 5 * SPDX-License-Identifier: BSD-2-Clause 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 31#include <ctype.h> 32#include <stdlib.h> 33#include <string.h> 34#include <syslog.h> 35#include "devd.h" 36#include "y.tab.h" 37 38int lineno = 1; 39 40static void 41update_lineno(const char *cp) 42{ 43 while (*cp) 44 if (*cp++ == '\n') 45 lineno++; 46} 47 48%} 49 50%option noyywrap 51%option nounput 52%option noinput 53 54%% 55 56[ \t]+ ; 57\n lineno++; 58; { return SEMICOLON; } 59#.*$ ; 60\/\/.*$ ; 61\/\*([^*]|(\*+([^*\/])))*\*+\/ { update_lineno(yytext); } 62\{ { return BEGINBLOCK; } 63\} { return ENDBLOCK; } 64[0-9]+ { yylval.i = atoi(yytext); return NUMBER; } 65\"[^"]+\" { 66 int len = strlen(yytext) - 2; 67 char *walker; 68 int i; 69 update_lineno(yytext); 70 if ((yylval.str = (char *) malloc(len + 1)) == NULL) 71 goto out; 72 walker = yylval.str; 73 for (i = 1; i <= len; i++) { 74 if (yytext[i] == '\\' && 75 yytext[i + 1] == '\n') { 76 i += 2; 77 while(isspace(yytext[i])) 78 i++; 79 } 80 *walker++ = yytext[i]; 81 } 82 *walker++ = '\0'; 83 out:; 84 return STRING; 85 } 86 87 88options { return OPTIONS; } 89set { return SET; } 90directory { return DIRECTORY; } 91pid-file { return PID_FILE; } 92attach { return ATTACH; } 93detach { return DETACH; } 94device-name { return DEVICE_NAME; } 95media-type { return MEDIA_TYPE; } 96class { return CLASS; } 97subdevice { return SUBDEVICE; } 98action { return ACTION; } 99match { return MATCH; } 100nomatch { return NOMATCH; } 101notify { return NOTIFY; } 102[A-Za-z][A-Za-z0-9_-]* { 103 yylval.str = strdup(yytext); 104 return ID; 105 } 106%% 107 108void 109yyerror(const char *s) 110{ 111 syslog(LOG_ERR, "line %d: %s%s %s.\n", lineno, yytext, yytext?":":"", s); 112} 113