2 * Copyright (c) 1995 Peter Wemm
3 * Copyright (c) 1980, 1993
4 * The Regents of the University of California. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * @(#)mkheaders.c 8.1 (Berkeley) 6/6/93
35 * $FreeBSD: src/usr.sbin/config/mkoptions.c,v 1.17.2.3 2001/12/13 19:18:01 dillon Exp $
36 * $DragonFly: src/usr.sbin/config/mkoptions.c,v 1.5 2004/01/31 03:26:56 dillon Exp $
40 * Make all the .h files for the optional entries
47 #include <sys/param.h>
51 static char *lower(char *);
52 static void read_options(void);
53 static void do_option(char *);
54 static char *tooption(char *);
64 /* Fake the cpu types as options. */
65 for (cp = cputype; cp != NULL; cp = cp->cpu_next) {
66 op = (struct opt *)malloc(sizeof(*op));
67 memset(op, 0, sizeof(*op));
68 op->op_name = ns(cp->cpu_name);
74 /* printf("maxusers not specified; will auto-size\n"); */
76 } else if (maxusers < 2) {
77 puts("minimum of 2 maxusers assumed");
79 } else if (maxusers > 512) {
80 printf("warning: maxusers > 512 (%d)\n", maxusers);
83 /* Fake MAXUSERS as an option. */
84 op = (struct opt *)malloc(sizeof(*op));
85 memset(op, 0, sizeof(*op));
86 op->op_name = "MAXUSERS";
87 snprintf(buf, sizeof(buf), "%d", maxusers);
88 op->op_value = ns(buf);
93 for (ol = otab; ol != 0; ol = ol->o_next)
94 do_option(ol->o_name);
95 for (op = opt; op; op = op->op_next) {
96 if (!op->op_ownfile) {
97 printf("%s:%d: unknown option \"%s\"\n",
98 PREFIX, op->op_line, op->op_name);
105 * Generate an <options>.h file
109 do_option(char *name)
111 char *basefile, *file, *inw;
113 struct opt *op, *op_head, *topp;
120 file = tooption(name);
123 * Check to see if the option was specified..
126 for (op = opt; op; op = op->op_next) {
127 if (eq(name, op->op_name)) {
129 value = op->op_value;
132 if (oldvalue != NULL && !eq(value, oldvalue))
134 "%s:%d: option \"%s\" redefined from %s to %s\n",
135 PREFIX, op->op_line, op->op_name, oldvalue,
141 inf = fopen(file, "r");
143 outf = fopen(file, "w");
147 /* was the option in the config file? */
149 fprintf(outf, "#define %s %s\n", name, value);
150 } /* else empty file */
156 for (ol = otab; ol != 0; ol = ol->o_next)
157 if (eq(name, ol->o_name)) {
158 basefile = ol->o_file;
169 /* get the #define */
170 if ((inw = get_word(inf)) == 0 || inw == (char *)EOF)
172 /* get the option name */
173 if ((inw = get_word(inf)) == 0 || inw == (char *)EOF)
176 /* get the option value */
177 if ((cp = get_word(inf)) == 0 || cp == (char *)EOF)
180 invalue = ns(cp); /* malloced */
186 for (ol = otab; ol != 0; ol = ol->o_next)
187 if (eq(inw, ol->o_name))
189 if (!eq(inw, name) && !ol) {
190 printf("WARNING: unknown option `%s' removed from %s\n",
193 } else if (ol != NULL && !eq(basefile, ol->o_file)) {
194 printf("WARNING: option `%s' moved from %s to %s\n",
195 inw, basefile, ol->o_file);
198 op = (struct opt *) malloc(sizeof *op);
199 bzero(op, sizeof(*op));
201 op->op_value = invalue;
202 op->op_next = op_head;
208 if (cp == (char *)EOF)
212 if (!tidy && ((value == NULL && oldvalue == NULL) ||
213 (value && oldvalue && eq(value, oldvalue)))) {
214 for (op = op_head; op != NULL; op = topp) {
223 if (value && !seen) {
224 /* New option appears */
225 op = (struct opt *) malloc(sizeof *op);
226 bzero(op, sizeof(*op));
227 op->op_name = ns(name);
228 op->op_value = value ? ns(value) : NULL;
229 op->op_next = op_head;
233 outf = fopen(file, "w");
236 for (op = op_head; op != NULL; op = topp) {
237 /* was the option in the config file? */
239 fprintf(outf, "#define %s %s\n",
240 op->op_name, op->op_value);
251 * Find the filename to store the option spec into.
256 static char hbuf[MAXPATHLEN];
257 char nbuf[MAXPATHLEN];
260 /* "cannot happen"? the otab list should be complete.. */
261 (void) strlcpy(nbuf, "options.h", sizeof(nbuf));
263 for (po = otab ; po != 0; po = po->o_next) {
264 if (eq(po->o_name, name)) {
265 strlcpy(nbuf, po->o_file, sizeof(nbuf));
270 (void) strlcpy(hbuf, path(nbuf), sizeof(hbuf));
275 * read the options and options.<machine> files
281 char fname[MAXPATHLEN];
282 char *wd, *this, *val;
285 char genopt[MAXPATHLEN];
289 printf("no ident line specified\n");
292 (void) snprintf(fname, sizeof(fname), "../../conf/options");
294 fp = fopen(fname, "r");
300 if (wd == (char *)EOF) {
304 (void) snprintf(fname, sizeof fname, "../../conf/options.%s", machinename);
305 fp = fopen(fname, "r");
308 (void) snprintf(fname, sizeof fname, "options.%s", machinename);
313 (void) snprintf(fname, sizeof fname, "options.%s", raisestr(ident));
314 fp = fopen(fname, "r");
324 while (((wd = get_word(fp)) != (char *)EOF) && wd)
330 if (val == (char *)EOF)
334 (void) snprintf(genopt, sizeof(genopt), "opt_%s.h", lower(s));
340 for (po = otab ; po != 0; po = po->o_next) {
341 if (eq(po->o_name, this)) {
342 printf("%s: Duplicate option %s.\n",
348 po = (struct opt_list *) malloc(sizeof *po);
349 bzero(po, sizeof(*po));
359 lower(register char *str)
361 register char *cp = str;
365 *str = tolower(*str);