51c1297a48
allows us to specify the machine_arch as well as machine. If specified then a second link will be made, similar to machine, from $MACHINE_ARCH to $S/$MACHINE_ARCH/include. This is for ports where MACHINE != MACHINE_ARCH (pc98 today, others in the future?). Reviewed by: arch@, nyan@
384 lines
7.0 KiB
Plaintext
384 lines
7.0 KiB
Plaintext
%union {
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char *str;
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int val;
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struct file_list *file;
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}
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%token ARCH
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%token COMMA
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%token CONFIG
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%token CPU
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%token DEVICE
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%token NODEVICE
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%token ENV
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%token EQUALS
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%token HINTS
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%token IDENT
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%token MAXUSERS
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%token PROFILE
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%token OPTIONS
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%token NOOPTION
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%token MAKEOPTIONS
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%token NOMAKEOPTION
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%token SEMICOLON
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%token INCLUDE
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%token FILES
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%token <str> ID
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%token <val> NUMBER
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%type <str> Save_id
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%type <str> Opt_value
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%type <str> Dev
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%{
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/*
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* @(#)config.y 8.1 (Berkeley) 6/6/93
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* $FreeBSD$
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*/
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#include <ctype.h>
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#include <err.h>
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#include <stdio.h>
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#include <string.h>
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#include "config.h"
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struct device_head dtab;
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char *ident;
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char *env;
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int envmode;
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char *hints;
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int hintmode;
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int yyline;
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const char *yyfile;
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struct file_list_head ftab;
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struct files_name_head fntab;
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char errbuf[80];
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int maxusers;
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#define ns(s) strdup(s)
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int include(const char *, int);
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void yyerror(const char *s);
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static char *
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devopt(char *dev)
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{
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char *ret = malloc(strlen(dev) + 5);
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sprintf(ret, "DEV_%s", dev);
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raisestr(ret);
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return ret;
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}
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%}
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%%
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Configuration:
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Many_specs
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;
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Many_specs:
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Many_specs Spec
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/* lambda */
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;
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Spec:
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Device_spec SEMICOLON
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Config_spec SEMICOLON
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INCLUDE ID SEMICOLON
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= { include($2, 0); };
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FILES ID SEMICOLON
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= { newfile($2); };
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SEMICOLON
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error SEMICOLON
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;
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Config_spec:
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ARCH Save_id
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= {
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if (machinename != NULL)
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errx(1, "%s:%d: only one machine directive is allowed",
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yyfile, yyline);
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machinename = $2;
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machinearch = $2;
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} |
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ARCH Save_id Save_id
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= {
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if (machinename != NULL)
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errx(1, "%s:%d: only one machine directive is allowed",
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yyfile, yyline);
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machinename = $2;
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machinearch = $3;
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} |
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CPU Save_id
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= {
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struct cputype *cp =
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(struct cputype *)malloc(sizeof (struct cputype));
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memset(cp, 0, sizeof(*cp));
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cp->cpu_name = $2;
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SLIST_INSERT_HEAD(&cputype, cp, cpu_next);
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} |
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OPTIONS Opt_list
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NOOPTION Save_id
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= { rmopt(&opt, $2); } |
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MAKEOPTIONS Mkopt_list
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NOMAKEOPTION Save_id
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= { rmopt(&mkopt, $2); } |
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IDENT ID
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= { ident = $2; } |
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System_spec
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MAXUSERS NUMBER
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= { maxusers = $2; } |
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PROFILE NUMBER
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= { profiling = $2; } |
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ENV ID
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= {
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env = $2;
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envmode = 1;
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} |
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HINTS ID
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= {
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hints = $2;
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hintmode = 1;
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}
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System_spec:
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CONFIG System_id System_parameter_list
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= { errx(1, "%s:%d: root/dump/swap specifications obsolete",
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yyfile, yyline);}
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CONFIG System_id
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;
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System_id:
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Save_id
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= { newopt(&mkopt, ns("KERNEL"), $1); };
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System_parameter_list:
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System_parameter_list ID
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| ID
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;
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Opt_list:
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Opt_list COMMA Option
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Option
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;
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Option:
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Save_id
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= {
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char *s;
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newopt(&opt, $1, NULL);
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if ((s = strchr($1, '=')))
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errx(1, "%s:%d: The `=' in options should not be "
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"quoted", yyfile, yyline);
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} |
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Save_id EQUALS Opt_value
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= {
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newopt(&opt, $1, $3);
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} ;
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Opt_value:
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ID
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= { $$ = $1; } |
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NUMBER
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= {
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char buf[80];
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(void) snprintf(buf, sizeof(buf), "%d", $1);
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$$ = ns(buf);
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} ;
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Save_id:
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ID
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= { $$ = $1; }
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;
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Mkopt_list:
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Mkopt_list COMMA Mkoption
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Mkoption
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;
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Mkoption:
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Save_id
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= { newopt(&mkopt, $1, ns("")); } |
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Save_id EQUALS Opt_value
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= { newopt(&mkopt, $1, $3); } ;
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Dev:
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ID
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= { $$ = $1; }
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;
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Device_spec:
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DEVICE Dev_list
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NODEVICE NoDev_list
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;
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Dev_list:
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Dev_list COMMA Device
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Device
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;
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NoDev_list:
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NoDev_list COMMA NoDevice
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NoDevice
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;
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Device:
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Dev
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= {
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newopt(&opt, devopt($1), ns("1"));
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/* and the device part */
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newdev($1);
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}
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NoDevice:
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Dev
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= {
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char *s = devopt($1);
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rmopt(&opt, s);
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free(s);
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/* and the device part */
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rmdev($1);
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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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errx(1, "%s:%d: %s", yyfile, yyline + 1, s);
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}
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/*
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* Add a new file to the list of files.
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*/
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static void
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newfile(char *name)
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{
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struct files_name *nl;
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nl = (struct files_name *) malloc(sizeof *nl);
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bzero(nl, sizeof *nl);
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nl->f_name = name;
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STAILQ_INSERT_TAIL(&fntab, nl, f_next);
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}
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/*
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* add a device to the list of devices
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*/
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static void
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newdev(char *name)
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{
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struct device *np;
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np = (struct device *) malloc(sizeof *np);
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memset(np, 0, sizeof(*np));
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np->d_name = name;
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STAILQ_INSERT_TAIL(&dtab, np, d_next);
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}
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/*
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* remove a device from the list of devices
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*/
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static void
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rmdev(char *name)
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{
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struct device *dp, *rmdp;
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STAILQ_FOREACH(dp, &dtab, d_next) {
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if (eq(dp->d_name, name)) {
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rmdp = dp;
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dp = STAILQ_NEXT(dp, d_next);
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STAILQ_REMOVE(&dtab, rmdp, device, d_next);
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free(rmdp->d_name);
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free(rmdp);
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if (dp == NULL)
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break;
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}
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}
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}
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static void
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newopt(struct opt_head *list, char *name, char *value)
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{
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struct opt *op;
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op = (struct opt *)malloc(sizeof (struct opt));
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memset(op, 0, sizeof(*op));
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op->op_name = name;
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op->op_ownfile = 0;
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op->op_value = value;
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SLIST_INSERT_HEAD(list, op, op_next);
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}
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static void
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rmopt(struct opt_head *list, char *name)
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{
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struct opt *op, *rmop;
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SLIST_FOREACH(op, list, op_next) {
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if (eq(op->op_name, name)) {
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rmop = op;
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op = SLIST_NEXT(op, op_next);
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SLIST_REMOVE(list, rmop, opt, op_next);
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free(rmop->op_name);
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if (rmop->op_value != NULL)
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free(rmop->op_value);
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free(rmop);
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if (op == NULL)
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break;
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}
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}
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}
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