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- /*
- * Copyright (c) 1980 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
- static char sccsid[] = "@(#)mkheaders.c 5.7 (Berkeley) 7/1/91";
- #endif /* not lint */
-
- /*
- * Make all the .h files for the optional entries
- */
-
- #include <stdio.h>
- #include <ctype.h>
- #include "config.h"
- #include "y.tab.h"
-
- headers()
- {
- register struct file_list *fl;
-
- for (fl = ftab; fl != 0; fl = fl->f_next)
- if (fl->f_needs != 0)
- do_count(fl->f_needs, fl->f_needs, 1);
- }
-
- /*
- * count all the devices of a certain type and recurse to count
- * whatever the device is connected to
- */
- do_count(dev, hname, search)
- register char *dev, *hname;
- int search;
- {
- register struct device *dp, *mp;
- register int count;
-
- for (count = 0,dp = dtab; dp != 0; dp = dp->d_next)
- if (dp->d_unit != -1 && eq(dp->d_name, dev)) {
- if (dp->d_type == PSEUDO_DEVICE) {
- count =
- dp->d_slave != UNKNOWN ? dp->d_slave : 1;
- break;
- }
- count++;
- /*
- * Allow holes in unit numbering,
- * assumption is unit numbering starts
- * at zero.
- */
- if (dp->d_unit + 1 > count)
- count = 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);
- }
-
- do_header(dev, hname, count)
- char *dev, *hname;
- int count;
- {
- char *file, *name, *inw, *toheader(), *tomacro();
- struct file_list *fl, *fl_head;
- 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) {
- perror(file);
- exit(1);
- }
- fprintf(outf, "#define %s %d\n", name, count);
- (void) fclose(outf);
- return;
- }
- fl_head = 0;
- 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;
- fl->f_type = inc;
- fl->f_next = fl_head;
- fl_head = fl;
- }
- (void) fclose(inf);
- if (count == oldcount) {
- for (fl = fl_head; fl != 0; fl = fl->f_next)
- free((char *)fl);
- return;
- }
- if (oldcount == -1) {
- fl = (struct file_list *) malloc(sizeof *fl);
- bzero(fl, sizeof(*fl));
- fl->f_fn = name;
- fl->f_type = count;
- fl->f_next = fl_head;
- fl_head = fl;
- }
- outf = fopen(file, "w");
- if (outf == 0) {
- perror(file);
- exit(1);
- }
- for (fl = fl_head; fl != 0; fl = fl->f_next) {
- fprintf(outf, "#define %s %u\n",
- fl->f_fn, count ? fl->f_type : 0);
- free((char *)fl);
- }
- (void) fclose(outf);
- }
-
- /*
- * convert a dev name to a .h file name
- */
- 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
- */
- char *tomacro(dev)
- register char *dev;
- {
- static char mbuf[20];
- register char *cp;
-
- cp = mbuf;
- *cp++ = 'N';
- while (*dev)
- *cp++ = toupper(*dev++);
- *cp++ = 0;
- return (mbuf);
- }
-