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842ccec57e
a generalized notification mechanism for subsystems wishing to report events. Revieded by: njl # The kernel side seems like it might be causing panics for me, but should # be forthcoming shortly.
108 lines
2.8 KiB
Plaintext
108 lines
2.8 KiB
Plaintext
%{
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/*-
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* DEVD (Device action daemon)
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*
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* Copyright (c) 2002 M. Warner Losh <imp@freebsd.org>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include <syslog.h>
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#include "devd.h"
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#include "y.tab.h"
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int lineno = 1;
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#define YY_NO_UNPUT
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static void
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update_lineno(const char *cp)
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{
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while (*cp)
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if (*cp++ == '\n')
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lineno++;
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}
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%}
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%%
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[ \t]+ ;
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\n lineno++;
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; { return SEMICOLON; }
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#.*$ ;
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\/\/.*$ ;
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\/\*([^*]|(\*+([^*\/])))*\*+\/ { update_lineno(yytext); }
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\{ { return BEGINBLOCK; }
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\} { return ENDBLOCK; }
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[0-9]+ { yylval.i = atoi(yytext); return NUMBER; }
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\"[^"]+\" {
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update_lineno(yytext);
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int len = strlen(yytext) - 2;
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char *walker;
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int i;
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if ((yylval.str = (char *) malloc(len + 1)) == NULL)
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goto out;
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walker = yylval.str;
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for (i = 1; i <= len; i++) {
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if (yytext[i] == '\\' &&
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yytext[i + 1] == '\n') {
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i += 2;
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while(isspace(yytext[i]))
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i++;
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}
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*walker++ = yytext[i];
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}
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*walker++ = '\0';
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out:;
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return STRING;
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}
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options { return OPTIONS; }
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set { return SET; }
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directory { return DIRECTORY; }
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pid-file { return PID_FILE; }
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attach { return ATTACH; }
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detach { return DETACH; }
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device-name { return DEVICE_NAME; }
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action { return ACTION; }
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match { return MATCH; }
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nomatch { return NOMATCH; }
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notify { return NOTIFY; }
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[A-Za-z][A-Za-z0-9_-]* {
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yylval.str = strdup(yytext);
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return ID;
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}
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%%
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void
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yyerror(const char *s)
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{
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syslog(LOG_ERR, "line %d: %s%s %s.\n", lineno, yytext, yytext?":":"", s);
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}
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