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 1.15 2005/08/02 13:18:25 joerg 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 = malloc(sizeof(*op));
67 bzero(op, sizeof(*op));
68 op->op_name = strdup(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 = malloc(sizeof(*op));
85 bzero(op, sizeof(*op));
86 op->op_name = strdup("MAXUSERS");
87 snprintf(buf, sizeof(buf), "%d", maxusers);
88 op->op_value = strdup(buf);
93 for (ol = otab; ol != NULL; ol = ol->o_next)
94 do_option(ol->o_name);
95 for (op = opt; op != NULL; 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 const char *basefile, *file;
114 struct opt *op, *op_head, *topp;
121 file = tooption(name);
124 * Check to see if the option was specified..
127 for (op = opt; op != NULL; op = op->op_next) {
128 if (strcmp(name, op->op_name) == 0) {
130 value = op->op_value;
133 if (oldvalue != NULL && strcmp(value, oldvalue) != 0)
135 "%s:%d: option \"%s\" redefined from %s to %s\n",
136 PREFIX, op->op_line, op->op_name, oldvalue,
142 if (strcmp(name, "COMPAT_DF12") == 0 &&
143 getenv("NO_COMPAT_DF12") == NULL &&
144 (value == NULL || strcmp(value, "1") != 0))
145 errx(1, "options COMPAT_DF12 not specified, "
146 "set NO_COMPAT_DF12 to ignore");
148 inf = fopen(file, "r");
150 outf = fopen(file, "w");
154 /* was the option in the config file? */
156 fprintf(outf, "#define %s %s\n", name, value);
157 } /* else empty file */
163 for (ol = otab; ol != NULL; ol = ol->o_next)
164 if (strcmp(name, ol->o_name) == 0) {
165 basefile = ol->o_file;
176 /* get the #define */
177 if ((inw = get_word(inf)) == NULL || inw == (char *)EOF)
179 /* get the option name */
180 if ((inw = get_word(inf)) == NULL || inw == (char *)EOF)
183 /* get the option value */
184 if ((cp = get_word(inf)) == NULL || cp == (char *)EOF)
187 invalue = strdup(cp); /* malloced */
188 if (strcmp(inw, name) == 0) {
193 for (ol = otab; ol != NULL; ol = ol->o_next)
194 if (strcmp(inw, ol->o_name) == 0)
196 if (strcmp(inw, name) != 0 && ol == NULL) {
197 printf("WARNING: unknown option `%s' removed from %s\n",
200 } else if (ol != NULL && strcmp(basefile, ol->o_file) != 0) {
201 printf("WARNING: option `%s' moved from %s to %s\n",
202 inw, basefile, ol->o_file);
205 op = malloc(sizeof(*op));
206 bzero(op, sizeof(*op));
208 op->op_value = invalue;
209 op->op_next = op_head;
215 if (cp == (char *)EOF)
219 if (!tidy && ((value == NULL && oldvalue == NULL) ||
220 (value && oldvalue && strcmp(value, oldvalue) == 0))) {
221 for (op = op_head; op != NULL; op = topp) {
230 if (value != NULL && !seen) {
231 /* New option appears */
232 op = malloc(sizeof(*op));
233 bzero(op, sizeof(*op));
234 op->op_name = strdup(name);
235 op->op_value = value != NULL ? strdup(value) : NULL;
236 op->op_next = op_head;
240 outf = fopen(file, "w");
243 for (op = op_head; op != NULL; op = topp) {
244 /* was the option in the config file? */
245 if (op->op_value != NULL) {
246 fprintf(outf, "#define %s %s\n",
247 op->op_name, op->op_value);
258 * Find the filename to store the option spec into.
263 static char hbuf[MAXPATHLEN];
264 char nbuf[MAXPATHLEN];
267 /* "cannot happen"? the otab list should be complete.. */
268 strlcpy(nbuf, "options.h", sizeof(nbuf));
270 for (po = otab ; po != NULL; po = po->o_next) {
271 if (strcmp(po->o_name, name) == 0) {
272 strlcpy(nbuf, po->o_file, sizeof(nbuf));
277 strlcpy(hbuf, path(nbuf), sizeof(hbuf));
282 * read the options and options.<machine> files
288 char fname[MAXPATHLEN];
289 char *wd, *this, *val;
292 char genopt[MAXPATHLEN];
296 printf("no ident line specified\n");
299 snprintf(fname, sizeof(fname), "../../conf/options");
301 fp = fopen(fname, "r");
307 if (wd == (char *)EOF) {
311 snprintf(fname, sizeof(fname), "../../conf/options.%s", machinename);
312 fp = fopen(fname, "r");
315 snprintf(fname, sizeof(fname), "options.%s", machinename);
320 snprintf(fname, sizeof(fname), "options.%s", raisestr(ident));
321 fp = fopen(fname, "r");
331 while (((wd = get_word(fp)) != (char *)EOF) && wd != NULL)
337 if (val == (char *)EOF)
343 snprintf(genopt, sizeof(genopt), "opt_%s.h", lower(s));
349 for (po = otab; po != NULL; po = po->o_next) {
350 if (strcmp(po->o_name, this) == 0) {
351 printf("%s: Duplicate option %s.\n",
357 po = malloc(sizeof(*po));
358 bzero(po, sizeof(*po));
374 *str = tolower(*str);