387 lines
8.9 KiB
C
387 lines
8.9 KiB
C
/*
|
|
* Copyright (c) 1995 Peter Wemm
|
|
* Copyright (c) 1980, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)mkheaders.c 8.1 (Berkeley) 6/6/93";
|
|
#endif
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* Make all the .h files for the optional entries
|
|
*/
|
|
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "config.h"
|
|
#include "y.tab.h"
|
|
|
|
static struct users {
|
|
int u_default;
|
|
int u_min;
|
|
int u_max;
|
|
} users[] = {
|
|
{ 8, 2, 512 }, /* MACHINE_I386 */
|
|
{ 8, 2, 512 }, /* MACHINE_PC98 */
|
|
{ 8, 2, 512 }, /* MACHINE_ALPHA */
|
|
};
|
|
#define NUSERS (sizeof (users) / sizeof (users[0]))
|
|
|
|
static char *lower __P((char *));
|
|
static void read_options __P((void));
|
|
static void do_option __P((char *));
|
|
static char *tooption __P((char *));
|
|
|
|
void
|
|
options()
|
|
{
|
|
char buf[40];
|
|
struct cputype *cp;
|
|
struct opt_list *ol;
|
|
struct opt *op;
|
|
struct users *up;
|
|
|
|
/* Fake the cpu types as options. */
|
|
for (cp = cputype; cp != NULL; cp = cp->cpu_next) {
|
|
op = (struct opt *)malloc(sizeof(*op));
|
|
memset(op, 0, sizeof(*op));
|
|
op->op_name = ns(cp->cpu_name);
|
|
op->op_next = opt;
|
|
opt = op;
|
|
}
|
|
|
|
/* Initialize `maxusers'. */
|
|
if ((unsigned)machine > NUSERS) {
|
|
printf("maxusers config info isn't present, using i386\n");
|
|
up = &users[MACHINE_I386 - 1];
|
|
} else
|
|
up = &users[machine - 1];
|
|
if (maxusers == 0) {
|
|
printf("maxusers not specified; %d assumed\n", up->u_default);
|
|
maxusers = up->u_default;
|
|
} else if (maxusers < up->u_min) {
|
|
printf("minimum of %d maxusers assumed\n", up->u_min);
|
|
maxusers = up->u_min;
|
|
} else if (maxusers > up->u_max)
|
|
printf("warning: maxusers > %d (%d)\n", up->u_max, maxusers);
|
|
|
|
/* Fake MAXUSERS as an option. */
|
|
op = (struct opt *)malloc(sizeof(*op));
|
|
memset(op, 0, sizeof(*op));
|
|
op->op_name = "MAXUSERS";
|
|
snprintf(buf, sizeof(buf), "%d", maxusers);
|
|
op->op_value = ns(buf);
|
|
op->op_next = opt;
|
|
opt = op;
|
|
|
|
read_options();
|
|
for (ol = otab; ol != 0; ol = ol->o_next)
|
|
do_option(ol->o_name);
|
|
}
|
|
|
|
/*
|
|
* Generate an <options>.h file
|
|
*/
|
|
|
|
static void
|
|
do_option(name)
|
|
char *name;
|
|
{
|
|
char *basefile, *file, *inw;
|
|
struct opt_list *ol;
|
|
struct opt *op, *op_head, *topp;
|
|
FILE *inf, *outf;
|
|
char *value;
|
|
char *oldvalue;
|
|
int seen;
|
|
int tidy;
|
|
|
|
file = tooption(name);
|
|
|
|
/*
|
|
* Check to see if the option was specified..
|
|
*/
|
|
value = NULL;
|
|
for (op = opt; op; op = op->op_next) {
|
|
if (eq(name, op->op_name)) {
|
|
oldvalue = value;
|
|
value = op->op_value;
|
|
if (value == NULL)
|
|
value = ns("1");
|
|
if (oldvalue != NULL && !eq(value, oldvalue))
|
|
printf(
|
|
"%s:%d: option \"%s\" redefined from %s to %s\n",
|
|
PREFIX, op->op_line, op->op_name, oldvalue,
|
|
value);
|
|
op->op_ownfile++;
|
|
}
|
|
}
|
|
|
|
inf = fopen(file, "r");
|
|
if (inf == 0) {
|
|
outf = fopen(file, "w");
|
|
if (outf == 0)
|
|
err(1, "%s", file);
|
|
|
|
/* was the option in the config file? */
|
|
if (value) {
|
|
fprintf(outf, "#define %s %s\n", name, value);
|
|
} /* else empty file */
|
|
|
|
(void) fclose(outf);
|
|
return;
|
|
}
|
|
basefile = "";
|
|
for (ol = otab; ol != 0; ol = ol->o_next)
|
|
if (eq(name, ol->o_name)) {
|
|
basefile = ol->o_file;
|
|
break;
|
|
}
|
|
oldvalue = NULL;
|
|
op_head = NULL;
|
|
seen = 0;
|
|
tidy = 0;
|
|
for (;;) {
|
|
char *cp;
|
|
char *invalue;
|
|
|
|
/* get the #define */
|
|
if ((inw = get_word(inf)) == 0 || inw == (char *)EOF)
|
|
break;
|
|
/* get the option name */
|
|
if ((inw = get_word(inf)) == 0 || inw == (char *)EOF)
|
|
break;
|
|
inw = ns(inw);
|
|
/* get the option value */
|
|
if ((cp = get_word(inf)) == 0 || cp == (char *)EOF)
|
|
break;
|
|
/* option value */
|
|
invalue = ns(cp); /* malloced */
|
|
if (eq(inw, name)) {
|
|
oldvalue = invalue;
|
|
invalue = value;
|
|
seen++;
|
|
}
|
|
for (ol = otab; ol != 0; ol = ol->o_next)
|
|
if (eq(inw, ol->o_name))
|
|
break;
|
|
if (!eq(inw, name) && !ol) {
|
|
printf("WARNING: unknown option `%s' removed from %s\n",
|
|
inw, file);
|
|
tidy++;
|
|
} else if (ol != NULL && !eq(basefile, ol->o_file)) {
|
|
printf("WARNING: option `%s' moved from %s to %s\n",
|
|
inw, basefile, ol->o_file);
|
|
tidy++;
|
|
} else {
|
|
op = (struct opt *) malloc(sizeof *op);
|
|
bzero(op, sizeof(*op));
|
|
op->op_name = inw;
|
|
op->op_value = invalue;
|
|
op->op_next = op_head;
|
|
op_head = op;
|
|
}
|
|
|
|
/* EOL? */
|
|
cp = get_word(inf);
|
|
if (cp == (char *)EOF)
|
|
break;
|
|
}
|
|
(void) fclose(inf);
|
|
if (!tidy && ((value == NULL && oldvalue == NULL) ||
|
|
(value && oldvalue && eq(value, oldvalue)))) {
|
|
for (op = op_head; op != NULL; op = topp) {
|
|
topp = op->op_next;
|
|
free(op->op_name);
|
|
free(op->op_value);
|
|
free(op);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (value && !seen) {
|
|
/* New option appears */
|
|
op = (struct opt *) malloc(sizeof *op);
|
|
bzero(op, sizeof(*op));
|
|
op->op_name = ns(name);
|
|
op->op_value = value ? ns(value) : NULL;
|
|
op->op_next = op_head;
|
|
op_head = op;
|
|
}
|
|
|
|
outf = fopen(file, "w");
|
|
if (outf == 0)
|
|
err(1, "%s", file);
|
|
for (op = op_head; op != NULL; op = topp) {
|
|
/* was the option in the config file? */
|
|
if (op->op_value) {
|
|
fprintf(outf, "#define %s %s\n",
|
|
op->op_name, op->op_value);
|
|
}
|
|
topp = op->op_next;
|
|
free(op->op_name);
|
|
free(op->op_value);
|
|
free(op);
|
|
}
|
|
(void) fclose(outf);
|
|
}
|
|
|
|
/*
|
|
* Find the filename to store the option spec into.
|
|
*/
|
|
static char *
|
|
tooption(name)
|
|
char *name;
|
|
{
|
|
static char hbuf[80];
|
|
char nbuf[80];
|
|
struct opt_list *po;
|
|
|
|
/* "cannot happen"? the otab list should be complete.. */
|
|
(void) strcpy(nbuf, "options.h");
|
|
|
|
for (po = otab ; po != 0; po = po->o_next) {
|
|
if (eq(po->o_name, name)) {
|
|
strcpy(nbuf, po->o_file);
|
|
break;
|
|
}
|
|
}
|
|
|
|
(void) strcpy(hbuf, path(nbuf));
|
|
return (hbuf);
|
|
}
|
|
|
|
/*
|
|
* read the options and options.<machine> files
|
|
*/
|
|
static void
|
|
read_options()
|
|
{
|
|
FILE *fp;
|
|
char fname[80];
|
|
char *wd, *this, *val;
|
|
struct opt_list *po;
|
|
int first = 1;
|
|
char genopt[80];
|
|
|
|
otab = 0;
|
|
if (ident == NULL) {
|
|
printf("no ident line specified\n");
|
|
exit(1);
|
|
}
|
|
(void) snprintf(fname, sizeof fname, "../../conf/options");
|
|
openit:
|
|
fp = fopen(fname, "r");
|
|
if (fp == 0) {
|
|
return;
|
|
}
|
|
next:
|
|
wd = get_word(fp);
|
|
if (wd == (char *)EOF) {
|
|
(void) fclose(fp);
|
|
if (first == 1) {
|
|
first++;
|
|
(void) snprintf(fname, sizeof fname, "../../conf/options.%s", machinename);
|
|
fp = fopen(fname, "r");
|
|
if (fp != 0)
|
|
goto next;
|
|
(void) snprintf(fname, sizeof fname, "options.%s", machinename);
|
|
goto openit;
|
|
}
|
|
if (first == 2) {
|
|
first++;
|
|
(void) snprintf(fname, sizeof fname, "options.%s", raisestr(ident));
|
|
fp = fopen(fname, "r");
|
|
if (fp != 0)
|
|
goto next;
|
|
}
|
|
return;
|
|
}
|
|
if (wd == 0)
|
|
goto next;
|
|
if (wd[0] == '#')
|
|
{
|
|
while (((wd = get_word(fp)) != (char *)EOF) && wd)
|
|
;
|
|
goto next;
|
|
}
|
|
this = ns(wd);
|
|
val = get_word(fp);
|
|
if (val == (char *)EOF)
|
|
return;
|
|
if (val == 0) {
|
|
char *s = ns(this);
|
|
(void) snprintf(genopt, sizeof genopt, "opt_%s.h", lower(s));
|
|
val = genopt;
|
|
free(s);
|
|
}
|
|
val = ns(val);
|
|
|
|
for (po = otab ; po != 0; po = po->o_next) {
|
|
if (eq(po->o_name, this)) {
|
|
printf("%s: Duplicate option %s.\n",
|
|
fname, this);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
po = (struct opt_list *) malloc(sizeof *po);
|
|
bzero(po, sizeof(*po));
|
|
po->o_name = this;
|
|
po->o_file = val;
|
|
po->o_next = otab;
|
|
otab = po;
|
|
|
|
goto next;
|
|
}
|
|
|
|
static char *
|
|
lower(str)
|
|
register char *str;
|
|
{
|
|
register char *cp = str;
|
|
|
|
while (*str) {
|
|
if (isupper(*str))
|
|
*str = tolower(*str);
|
|
str++;
|
|
}
|
|
return (cp);
|
|
}
|
|
|