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/*
* 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[] =
"$Id: mkheaders.c,v 1.9 1999/04/17 14:41:40 peter Exp $";
#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"
#define ns(s) strdup(s)
static void do_header __P((char *, char *, int));
static void do_count __P((char *, char *, int));
static char *toheader __P((char *));
static char *tomacro __P((char *));
void
headers()
{
register struct file_list *fl;
struct device *dp;
for (fl = ftab; fl != 0; fl = fl->f_next)
if (fl->f_needs != 0)
do_count(fl->f_needs, fl->f_needs, 1);
for (dp = dtab; dp != 0; dp = dp->d_next) {
if ((dp->d_type & TYPEMASK) == PSEUDO_DEVICE) {
if (!(dp->d_type & DEVDONE))
printf("Warning: pseudo-device \"%s\" is unknown\n",
dp->d_name);
else
dp->d_type &= TYPEMASK;
}
if ((dp->d_type & TYPEMASK) == DEVICE) {
if (!(dp->d_type & DEVDONE))
printf("Warning: device \"%s\" is unknown\n",
dp->d_name);
else
dp->d_type &= TYPEMASK;
}
}
}
/*
* count all the devices of a certain type and recurse to count
* whatever the device is connected to
*/
static void
do_count(dev, hname, search)
register char *dev, *hname;
int search;
{
register struct device *dp, *mp;
register int count, hicount;
/*
* After this loop, "count" will be the actual number of units,
* and "hicount" will be the highest unit declared. do_header()
* must use this higher of these values.
*/
for (hicount = count = 0, dp = dtab; dp != 0; dp = dp->d_next)
if (dp->d_unit != -1 && eq(dp->d_name, dev)) {
if ((dp->d_type & TYPEMASK) == PSEUDO_DEVICE) {
count =
dp->d_slave != UNKNOWN ? dp->d_slave : 1;
dp->d_type |= DEVDONE;
break;
}
if ((dp->d_type & TYPEMASK) == DEVICE)
dp->d_type |= DEVDONE;
count++;
/*
* Allow holes in unit numbering,
* assumption is unit numbering starts
* at zero.
*/
if (dp->d_unit + 1 > hicount)
hicount = dp->d_unit + 1;
if (search) {
mp = dp->d_conn;
if (mp != 0 && mp != TO_NEXUS &&
mp->d_conn != 0 && mp->d_conn != TO_NEXUS) {
do_count(mp->d_name, hname, 0);
search = 0;
}
}
}
do_header(dev, hname, count > hicount ? count : hicount);
}
static void
do_header(dev, hname, count)
char *dev, *hname;
int count;
{
char *file, *name, *inw;
struct file_list *fl, *fl_head, *tflp;
FILE *inf, *outf;
int inc, oldcount;
file = toheader(hname);
name = tomacro(dev);
inf = fopen(file, "r");
oldcount = -1;
if (inf == 0) {
outf = fopen(file, "w");
if (outf == 0)
err(1, "%s", file);
fprintf(outf, "#define %s %d\n", name, count);
(void) fclose(outf);
return;
}
fl_head = NULL;
for (;;) {
char *cp;
if ((inw = get_word(inf)) == 0 || inw == (char *)EOF)
break;
if ((inw = get_word(inf)) == 0 || inw == (char *)EOF)
break;
inw = ns(inw);
cp = get_word(inf);
if (cp == 0 || cp == (char *)EOF)
break;
inc = atoi(cp);
if (eq(inw, name)) {
oldcount = inc;
inc = count;
}
cp = get_word(inf);
if (cp == (char *)EOF)
break;
fl = (struct file_list *) malloc(sizeof *fl);
bzero(fl, sizeof(*fl));
fl->f_fn = inw; /* malloced */
fl->f_type = inc;
fl->f_next = fl_head;
fl_head = fl;
}
(void) fclose(inf);
if (count == oldcount) {
for (fl = fl_head; fl != NULL; fl = tflp) {
tflp = fl->f_next;
free(fl->f_fn);
free(fl);
}
return;
}
if (oldcount == -1) {
fl = (struct file_list *) malloc(sizeof *fl);
bzero(fl, sizeof(*fl));
fl->f_fn = ns(name);
fl->f_type = count;
fl->f_next = fl_head;
fl_head = fl;
}
outf = fopen(file, "w");
if (outf == 0)
err(1, "%s", file);
for (fl = fl_head; fl != NULL; fl = tflp) {
fprintf(outf,
"#define %s %u\n", fl->f_fn, count ? fl->f_type : 0);
tflp = fl->f_next;
free(fl->f_fn);
free(fl);
}
(void) fclose(outf);
}
/*
* convert a dev name to a .h file name
*/
static char *
toheader(dev)
char *dev;
{
static char hbuf[80];
(void) strcpy(hbuf, path(dev));
(void) strcat(hbuf, ".h");
return (hbuf);
}
/*
* convert a dev name to a macro name
*/
static char *
tomacro(dev)
register char *dev;
{
static char mbuf[20];
register char *cp;
cp = mbuf;
*cp++ = 'N';
while (*dev)
*cp++ = islower(*dev) ? toupper(*dev++) : *dev++;
*cp++ = 0;
return (mbuf);
}
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