blob: 9d067447356457545af2fd555dae386f74328b65 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
3 * Released under the terms of the GNU GPL v2.0.
4 */
5
6#include <sys/stat.h>
7#include <ctype.h>
Arnaud Lacombe94bedec2010-08-17 01:40:20 -04008#include <errno.h>
Roman Zippel2e3646e2006-06-08 22:12:42 -07009#include <fcntl.h>
Arnaud Lacombe10a4b272011-06-01 16:00:46 -040010#include <stdarg.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070011#include <stdio.h>
12#include <stdlib.h>
13#include <string.h>
14#include <time.h>
15#include <unistd.h>
16
Linus Torvalds1da177e2005-04-16 15:20:36 -070017#include "lkc.h"
18
Roman Zippelc1a0f5e2005-11-08 21:34:54 -080019static void conf_warning(const char *fmt, ...)
20 __attribute__ ((format (printf, 1, 2)));
21
Michal Marek42368c32010-08-17 10:21:19 +020022static void conf_message(const char *fmt, ...)
23 __attribute__ ((format (printf, 1, 2)));
24
Roman Zippelc1a0f5e2005-11-08 21:34:54 -080025static const char *conf_filename;
26static int conf_lineno, conf_warnings, conf_unsaved;
27
Linus Torvalds1da177e2005-04-16 15:20:36 -070028const char conf_defname[] = "arch/$ARCH/defconfig";
29
Roman Zippelc1a0f5e2005-11-08 21:34:54 -080030static void conf_warning(const char *fmt, ...)
31{
32 va_list ap;
33 va_start(ap, fmt);
34 fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno);
35 vfprintf(stderr, fmt, ap);
36 fprintf(stderr, "\n");
37 va_end(ap);
38 conf_warnings++;
39}
40
Michal Marek42368c32010-08-17 10:21:19 +020041static void conf_default_message_callback(const char *fmt, va_list ap)
42{
43 printf("#\n# ");
44 vprintf(fmt, ap);
45 printf("\n#\n");
46}
47
48static void (*conf_message_callback) (const char *fmt, va_list ap) =
49 conf_default_message_callback;
50void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap))
51{
52 conf_message_callback = fn;
53}
54
55static void conf_message(const char *fmt, ...)
56{
57 va_list ap;
58
59 va_start(ap, fmt);
60 if (conf_message_callback)
61 conf_message_callback(fmt, ap);
62}
63
Roman Zippel14cdd3c2006-06-08 22:12:51 -070064const char *conf_get_configname(void)
65{
66 char *name = getenv("KCONFIG_CONFIG");
67
68 return name ? name : ".config";
69}
70
Markus Heidelberg12122f62009-05-18 01:36:54 +020071const char *conf_get_autoconfig_name(void)
72{
73 char *name = getenv("KCONFIG_AUTOCONFIG");
74
75 return name ? name : "include/config/auto.conf";
76}
77
J.A. Magallon48b9d032005-06-25 14:59:22 -070078static char *conf_expand_value(const char *in)
Linus Torvalds1da177e2005-04-16 15:20:36 -070079{
80 struct symbol *sym;
J.A. Magallon48b9d032005-06-25 14:59:22 -070081 const char *src;
Linus Torvalds1da177e2005-04-16 15:20:36 -070082 static char res_value[SYMBOL_MAXLENGTH];
83 char *dst, name[SYMBOL_MAXLENGTH];
84
85 res_value[0] = 0;
86 dst = name;
87 while ((src = strchr(in, '$'))) {
88 strncat(res_value, in, src - in);
89 src++;
90 dst = name;
91 while (isalnum(*src) || *src == '_')
92 *dst++ = *src++;
93 *dst = 0;
94 sym = sym_lookup(name, 0);
95 sym_calc_value(sym);
96 strcat(res_value, sym_get_string_value(sym));
97 in = src;
98 }
99 strcat(res_value, in);
100
101 return res_value;
102}
103
104char *conf_get_default_confname(void)
105{
106 struct stat buf;
107 static char fullname[PATH_MAX+1];
108 char *env, *name;
109
110 name = conf_expand_value(conf_defname);
111 env = getenv(SRCTREE);
112 if (env) {
113 sprintf(fullname, "%s/%s", env, name);
114 if (!stat(fullname, &buf))
115 return fullname;
116 }
117 return name;
118}
119
Sam Ravnborg9c900a92007-11-10 20:01:56 +0100120static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
121{
122 char *p2;
123
124 switch (sym->type) {
125 case S_TRISTATE:
126 if (p[0] == 'm') {
127 sym->def[def].tri = mod;
128 sym->flags |= def_flags;
129 break;
130 }
Arnaud Lacombed8fc3202011-05-31 12:30:26 -0400131 /* fall through */
Sam Ravnborg9c900a92007-11-10 20:01:56 +0100132 case S_BOOLEAN:
133 if (p[0] == 'y') {
134 sym->def[def].tri = yes;
135 sym->flags |= def_flags;
136 break;
137 }
138 if (p[0] == 'n') {
139 sym->def[def].tri = no;
140 sym->flags |= def_flags;
141 break;
142 }
143 conf_warning("symbol value '%s' invalid for %s", p, sym->name);
Arnaud Lacombe75f14682011-05-31 12:31:57 -0400144 return 1;
Sam Ravnborg9c900a92007-11-10 20:01:56 +0100145 case S_OTHER:
146 if (*p != '"') {
147 for (p2 = p; *p2 && !isspace(*p2); p2++)
148 ;
149 sym->type = S_STRING;
150 goto done;
151 }
Arnaud Lacombed8fc3202011-05-31 12:30:26 -0400152 /* fall through */
Sam Ravnborg9c900a92007-11-10 20:01:56 +0100153 case S_STRING:
154 if (*p++ != '"')
155 break;
156 for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) {
157 if (*p2 == '"') {
158 *p2 = 0;
159 break;
160 }
161 memmove(p2, p2 + 1, strlen(p2));
162 }
163 if (!p2) {
164 conf_warning("invalid string found");
165 return 1;
166 }
Arnaud Lacombed8fc3202011-05-31 12:30:26 -0400167 /* fall through */
Sam Ravnborg9c900a92007-11-10 20:01:56 +0100168 case S_INT:
169 case S_HEX:
170 done:
171 if (sym_string_valid(sym, p)) {
172 sym->def[def].val = strdup(p);
173 sym->flags |= def_flags;
174 } else {
175 conf_warning("symbol value '%s' invalid for %s", p, sym->name);
176 return 1;
177 }
178 break;
179 default:
180 ;
181 }
182 return 0;
183}
184
Roman Zippel669bfad2006-06-08 22:12:42 -0700185int conf_read_simple(const char *name, int def)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186{
187 FILE *in = NULL;
188 char line[1024];
189 char *p, *p2;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700190 struct symbol *sym;
Roman Zippel669bfad2006-06-08 22:12:42 -0700191 int i, def_flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192
193 if (name) {
194 in = zconf_fopen(name);
195 } else {
Roman Zippelface4372006-06-08 22:12:45 -0700196 struct property *prop;
197
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700198 name = conf_get_configname();
Roman Zippelddc97ca2006-06-08 22:12:38 -0700199 in = zconf_fopen(name);
200 if (in)
201 goto load;
Karsten Wiesebfc10002006-12-13 00:34:07 -0800202 sym_add_change_count(1);
Ulf Magnussonac1ffde2010-07-27 21:57:43 +0200203 if (!sym_defconfig_list) {
204 if (modules_sym)
205 sym_calc_value(modules_sym);
Roman Zippelface4372006-06-08 22:12:45 -0700206 return 1;
Ulf Magnussonac1ffde2010-07-27 21:57:43 +0200207 }
Roman Zippelface4372006-06-08 22:12:45 -0700208
209 for_all_defaults(sym_defconfig_list, prop) {
210 if (expr_calc_value(prop->visible.expr) == no ||
211 prop->expr->type != E_SYMBOL)
212 continue;
213 name = conf_expand_value(prop->expr->left.sym->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214 in = zconf_fopen(name);
215 if (in) {
Michal Marek42368c32010-08-17 10:21:19 +0200216 conf_message(_("using defaults found in %s"),
217 name);
Roman Zippelddc97ca2006-06-08 22:12:38 -0700218 goto load;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700219 }
220 }
221 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222 if (!in)
223 return 1;
224
Roman Zippelddc97ca2006-06-08 22:12:38 -0700225load:
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800226 conf_filename = name;
227 conf_lineno = 0;
228 conf_warnings = 0;
229 conf_unsaved = 0;
230
Roman Zippel669bfad2006-06-08 22:12:42 -0700231 def_flags = SYMBOL_DEF << def;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232 for_all_symbols(i, sym) {
Roman Zippel669bfad2006-06-08 22:12:42 -0700233 sym->flags |= SYMBOL_CHANGED;
234 sym->flags &= ~(def_flags|SYMBOL_VALID);
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800235 if (sym_is_choice(sym))
Roman Zippel669bfad2006-06-08 22:12:42 -0700236 sym->flags |= def_flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700237 switch (sym->type) {
238 case S_INT:
239 case S_HEX:
240 case S_STRING:
Roman Zippel669bfad2006-06-08 22:12:42 -0700241 if (sym->def[def].val)
242 free(sym->def[def].val);
Arnaud Lacombed8fc3202011-05-31 12:30:26 -0400243 /* fall through */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700244 default:
Roman Zippel669bfad2006-06-08 22:12:42 -0700245 sym->def[def].val = NULL;
246 sym->def[def].tri = no;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700247 }
248 }
249
250 while (fgets(line, sizeof(line), in)) {
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800251 conf_lineno++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700252 sym = NULL;
Arnaud Lacombe8baefd32010-08-24 00:14:47 -0400253 if (line[0] == '#') {
Arnaud Lacombeffb59572010-08-14 23:57:43 -0400254 if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255 continue;
Arnaud Lacombeffb59572010-08-14 23:57:43 -0400256 p = strchr(line + 2 + strlen(CONFIG_), ' ');
Linus Torvalds1da177e2005-04-16 15:20:36 -0700257 if (!p)
258 continue;
259 *p++ = 0;
260 if (strncmp(p, "is not set", 10))
261 continue;
Roman Zippel669bfad2006-06-08 22:12:42 -0700262 if (def == S_DEF_USER) {
Arnaud Lacombeffb59572010-08-14 23:57:43 -0400263 sym = sym_find(line + 2 + strlen(CONFIG_));
zippel@linux-m68k.org661b0682008-09-29 05:27:11 +0200264 if (!sym) {
265 sym_add_change_count(1);
Naohiro Aota8bea7542010-10-01 04:23:17 +0900266 goto setsym;
zippel@linux-m68k.org661b0682008-09-29 05:27:11 +0200267 }
Roman Zippel669bfad2006-06-08 22:12:42 -0700268 } else {
Arnaud Lacombeffb59572010-08-14 23:57:43 -0400269 sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
Roman Zippel669bfad2006-06-08 22:12:42 -0700270 if (sym->type == S_UNKNOWN)
271 sym->type = S_BOOLEAN;
272 }
273 if (sym->flags & def_flags) {
Jan Engelhardtd84876f2008-01-03 23:33:44 +0100274 conf_warning("override: reassigning to symbol %s", sym->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700275 }
276 switch (sym->type) {
277 case S_BOOLEAN:
278 case S_TRISTATE:
Roman Zippel669bfad2006-06-08 22:12:42 -0700279 sym->def[def].tri = no;
280 sym->flags |= def_flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700281 break;
282 default:
283 ;
284 }
Arnaud Lacombeffb59572010-08-14 23:57:43 -0400285 } else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
286 p = strchr(line + strlen(CONFIG_), '=');
Linus Torvalds1da177e2005-04-16 15:20:36 -0700287 if (!p)
288 continue;
289 *p++ = 0;
290 p2 = strchr(p, '\n');
Matthew Wilcoxd3660a82006-07-13 12:54:07 -0600291 if (p2) {
292 *p2-- = 0;
293 if (*p2 == '\r')
294 *p2 = 0;
295 }
Roman Zippel669bfad2006-06-08 22:12:42 -0700296 if (def == S_DEF_USER) {
Arnaud Lacombeffb59572010-08-14 23:57:43 -0400297 sym = sym_find(line + strlen(CONFIG_));
zippel@linux-m68k.org661b0682008-09-29 05:27:11 +0200298 if (!sym) {
299 sym_add_change_count(1);
Naohiro Aota8bea7542010-10-01 04:23:17 +0900300 goto setsym;
zippel@linux-m68k.org661b0682008-09-29 05:27:11 +0200301 }
Roman Zippel669bfad2006-06-08 22:12:42 -0700302 } else {
Arnaud Lacombeffb59572010-08-14 23:57:43 -0400303 sym = sym_lookup(line + strlen(CONFIG_), 0);
Roman Zippel669bfad2006-06-08 22:12:42 -0700304 if (sym->type == S_UNKNOWN)
305 sym->type = S_OTHER;
306 }
307 if (sym->flags & def_flags) {
Jan Engelhardtd84876f2008-01-03 23:33:44 +0100308 conf_warning("override: reassigning to symbol %s", sym->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309 }
Sam Ravnborg9c900a92007-11-10 20:01:56 +0100310 if (conf_set_sym_val(sym, def, def_flags, p))
311 continue;
Arnaud Lacombe8baefd32010-08-24 00:14:47 -0400312 } else {
313 if (line[0] != '\r' && line[0] != '\n')
314 conf_warning("unexpected data");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315 continue;
316 }
Naohiro Aota8bea7542010-10-01 04:23:17 +0900317setsym:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700318 if (sym && sym_is_choice_value(sym)) {
319 struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
Roman Zippel669bfad2006-06-08 22:12:42 -0700320 switch (sym->def[def].tri) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700321 case no:
322 break;
323 case mod:
Roman Zippel669bfad2006-06-08 22:12:42 -0700324 if (cs->def[def].tri == yes) {
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800325 conf_warning("%s creates inconsistent choice state", sym->name);
Roman Zippel669bfad2006-06-08 22:12:42 -0700326 cs->flags &= ~def_flags;
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800327 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700328 break;
329 case yes:
Jan Engelhardtd84876f2008-01-03 23:33:44 +0100330 if (cs->def[def].tri != no)
331 conf_warning("override: %s changes choice state", sym->name);
332 cs->def[def].val = sym;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333 break;
334 }
Sam Ravnborgd6ee3572008-01-07 21:09:55 +0100335 cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700336 }
337 }
338 fclose(in);
339
340 if (modules_sym)
341 sym_calc_value(modules_sym);
Roman Zippel90389162005-11-08 21:34:49 -0800342 return 0;
343}
344
345int conf_read(const char *name)
346{
Arnaud Lacombe5d095982012-01-23 17:29:05 -0500347 struct symbol *sym;
348 int i;
Roman Zippel90389162005-11-08 21:34:49 -0800349
Karsten Wiesebfc10002006-12-13 00:34:07 -0800350 sym_set_change_count(0);
Roman Zippelddc97ca2006-06-08 22:12:38 -0700351
Roman Zippel669bfad2006-06-08 22:12:42 -0700352 if (conf_read_simple(name, S_DEF_USER))
Roman Zippel90389162005-11-08 21:34:49 -0800353 return 1;
354
Linus Torvalds1da177e2005-04-16 15:20:36 -0700355 for_all_symbols(i, sym) {
356 sym_calc_value(sym);
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800357 if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO))
Arnaud Lacombe5d095982012-01-23 17:29:05 -0500358 continue;
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800359 if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
360 /* check that calculated value agrees with saved value */
361 switch (sym->type) {
362 case S_BOOLEAN:
363 case S_TRISTATE:
Roman Zippel0c1822e2006-06-08 22:12:41 -0700364 if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym))
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800365 break;
366 if (!sym_is_choice(sym))
Arnaud Lacombe5d095982012-01-23 17:29:05 -0500367 continue;
Arnaud Lacombed8fc3202011-05-31 12:30:26 -0400368 /* fall through */
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800369 default:
Roman Zippel0c1822e2006-06-08 22:12:41 -0700370 if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))
Arnaud Lacombe5d095982012-01-23 17:29:05 -0500371 continue;
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800372 break;
373 }
374 } else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))
375 /* no previous value and not saved */
Arnaud Lacombe5d095982012-01-23 17:29:05 -0500376 continue;
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800377 conf_unsaved++;
378 /* maybe print value in verbose mode... */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700379 }
380
Roman Zippeld8982ba2007-07-09 11:43:58 -0700381 for_all_symbols(i, sym) {
382 if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
383 /* Reset values of generates values, so they'll appear
384 * as new, if they should become visible, but that
385 * doesn't quite work if the Kconfig and the saved
386 * configuration disagree.
387 */
388 if (sym->visible == no && !conf_unsaved)
389 sym->flags &= ~SYMBOL_DEF_USER;
390 switch (sym->type) {
391 case S_STRING:
392 case S_INT:
393 case S_HEX:
394 /* Reset a string value if it's out of range */
395 if (sym_string_within_range(sym, sym->def[S_DEF_USER].val))
396 break;
397 sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
398 conf_unsaved++;
399 break;
400 default:
401 break;
402 }
403 }
404 }
405
Karsten Wiesebfc10002006-12-13 00:34:07 -0800406 sym_add_change_count(conf_warnings || conf_unsaved);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700407
408 return 0;
409}
410
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400411/*
412 * Kconfig configuration printer
413 *
414 * This printer is used when generating the resulting configuration after
415 * kconfig invocation and `defconfig' files. Unset symbol might be omitted by
416 * passing a non-NULL argument to the printer.
417 *
418 */
419static void
420kconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
Sam Ravnborg49192f22010-07-31 23:35:33 +0200421{
Sam Ravnborg49192f22010-07-31 23:35:33 +0200422
Arnaud Lacombe0dce6312010-12-05 01:33:16 -0500423 switch (sym->type) {
Sam Ravnborg49192f22010-07-31 23:35:33 +0200424 case S_BOOLEAN:
425 case S_TRISTATE:
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400426 if (*value == 'n') {
427 bool skip_unset = (arg != NULL);
428
429 if (!skip_unset)
430 fprintf(fp, "# %s%s is not set\n",
Arnaud Lacombeffb59572010-08-14 23:57:43 -0400431 CONFIG_, sym->name);
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400432 return;
Sam Ravnborg49192f22010-07-31 23:35:33 +0200433 }
434 break;
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400435 default:
Sam Ravnborg49192f22010-07-31 23:35:33 +0200436 break;
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400437 }
438
439 fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, value);
440}
441
442static void
443kconfig_print_comment(FILE *fp, const char *value, void *arg)
444{
445 const char *p = value;
446 size_t l;
447
448 for (;;) {
449 l = strcspn(p, "\n");
450 fprintf(fp, "#");
451 if (l) {
452 fprintf(fp, " ");
Peter Foley70cc01e2011-10-22 10:48:49 -0400453 xfwrite(p, l, 1, fp);
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400454 p += l;
455 }
456 fprintf(fp, "\n");
457 if (*p++ == '\0')
458 break;
459 }
460}
461
462static struct conf_printer kconfig_printer_cb =
463{
464 .print_symbol = kconfig_print_symbol,
465 .print_comment = kconfig_print_comment,
466};
467
468/*
469 * Header printer
470 *
471 * This printer is used when generating the `include/generated/autoconf.h' file.
472 */
473static void
474header_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
475{
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400476
477 switch (sym->type) {
478 case S_BOOLEAN:
Arnaud Lacombeeb4cf5a2011-07-14 15:31:07 -0400479 case S_TRISTATE: {
480 const char *suffix = "";
481
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400482 switch (*value) {
483 case 'n':
Michal Marek2a11c8e2011-07-20 17:38:57 +0200484 break;
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400485 case 'm':
486 suffix = "_MODULE";
Arnaud Lacombeeb4cf5a2011-07-14 15:31:07 -0400487 /* fall through */
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400488 default:
Michal Marek2a11c8e2011-07-20 17:38:57 +0200489 fprintf(fp, "#define %s%s%s 1\n",
490 CONFIG_, sym->name, suffix);
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400491 }
Paul Gortmakera9596132012-04-12 19:46:33 -0400492 /*
493 * Generate the __enabled_CONFIG_* and
494 * __enabled_CONFIG_*_MODULE macros for use by the
495 * IS_{ENABLED,BUILTIN,MODULE} macros. The _MODULE variant is
496 * generated even for booleans so that the IS_ENABLED() macro
497 * works.
498 */
499 fprintf(fp, "#define __enabled_" CONFIG_ "%s %d\n",
500 sym->name, (*value == 'y'));
501 fprintf(fp, "#define __enabled_" CONFIG_ "%s_MODULE %d\n",
502 sym->name, (*value == 'm'));
Arnaud Lacombeeb4cf5a2011-07-14 15:31:07 -0400503 break;
504 }
505 case S_HEX: {
506 const char *prefix = "";
507
508 if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X'))
509 prefix = "0x";
510 fprintf(fp, "#define %s%s %s%s\n",
511 CONFIG_, sym->name, prefix, value);
512 break;
513 }
514 case S_STRING:
515 case S_INT:
516 fprintf(fp, "#define %s%s %s\n",
517 CONFIG_, sym->name, value);
Sam Ravnborg49192f22010-07-31 23:35:33 +0200518 break;
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400519 default:
520 break;
521 }
522
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400523}
524
525static void
526header_print_comment(FILE *fp, const char *value, void *arg)
527{
528 const char *p = value;
529 size_t l;
530
531 fprintf(fp, "/*\n");
532 for (;;) {
533 l = strcspn(p, "\n");
534 fprintf(fp, " *");
535 if (l) {
536 fprintf(fp, " ");
Peter Foley70cc01e2011-10-22 10:48:49 -0400537 xfwrite(p, l, 1, fp);
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400538 p += l;
539 }
540 fprintf(fp, "\n");
541 if (*p++ == '\0')
542 break;
543 }
544 fprintf(fp, " */\n");
545}
546
547static struct conf_printer header_printer_cb =
548{
549 .print_symbol = header_print_symbol,
550 .print_comment = header_print_comment,
551};
552
553/*
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400554 * Tristate printer
555 *
556 * This printer is used when generating the `include/config/tristate.conf' file.
557 */
558static void
559tristate_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
560{
561
562 if (sym->type == S_TRISTATE && *value != 'n')
563 fprintf(fp, "%s%s=%c\n", CONFIG_, sym->name, (char)toupper(*value));
564}
565
566static struct conf_printer tristate_printer_cb =
567{
568 .print_symbol = tristate_print_symbol,
569 .print_comment = kconfig_print_comment,
570};
571
572static void conf_write_symbol(FILE *fp, struct symbol *sym,
573 struct conf_printer *printer, void *printer_arg)
574{
575 const char *str;
576
577 switch (sym->type) {
Sam Ravnborg49192f22010-07-31 23:35:33 +0200578 case S_OTHER:
579 case S_UNKNOWN:
580 break;
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400581 case S_STRING:
582 str = sym_get_string_value(sym);
583 str = sym_escape_string_value(str);
584 printer->print_symbol(fp, sym, str, printer_arg);
585 free((void *)str);
586 break;
587 default:
588 str = sym_get_string_value(sym);
589 printer->print_symbol(fp, sym, str, printer_arg);
Sam Ravnborg49192f22010-07-31 23:35:33 +0200590 }
591}
592
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400593static void
594conf_write_heading(FILE *fp, struct conf_printer *printer, void *printer_arg)
595{
596 char buf[256];
597
598 snprintf(buf, sizeof(buf),
599 "\n"
600 "Automatically generated file; DO NOT EDIT.\n"
601 "%s\n",
602 rootmenu.prompt->text);
603
604 printer->print_comment(fp, buf, printer_arg);
605}
606
Sam Ravnborg7cf3d732010-07-31 23:35:34 +0200607/*
608 * Write out a minimal config.
609 * All values that has default values are skipped as this is redundant.
610 */
611int conf_write_defconfig(const char *filename)
612{
613 struct symbol *sym;
614 struct menu *menu;
615 FILE *out;
616
617 out = fopen(filename, "w");
618 if (!out)
619 return 1;
620
621 sym_clear_all_valid();
622
623 /* Traverse all menus to find all relevant symbols */
624 menu = rootmenu.list;
625
626 while (menu != NULL)
627 {
628 sym = menu->sym;
629 if (sym == NULL) {
630 if (!menu_is_visible(menu))
631 goto next_menu;
632 } else if (!sym_is_choice(sym)) {
633 sym_calc_value(sym);
634 if (!(sym->flags & SYMBOL_WRITE))
635 goto next_menu;
636 sym->flags &= ~SYMBOL_WRITE;
637 /* If we cannot change the symbol - skip */
638 if (!sym_is_changable(sym))
639 goto next_menu;
640 /* If symbol equals to default value - skip */
641 if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0)
642 goto next_menu;
643
644 /*
645 * If symbol is a choice value and equals to the
646 * default for a choice - skip.
Sam Ravnborg84062dd2010-08-14 23:22:16 +0200647 * But only if value is bool and equal to "y" and
648 * choice is not "optional".
649 * (If choice is "optional" then all values can be "n")
Sam Ravnborg7cf3d732010-07-31 23:35:34 +0200650 */
651 if (sym_is_choice_value(sym)) {
652 struct symbol *cs;
653 struct symbol *ds;
654
655 cs = prop_get_symbol(sym_get_choice_prop(sym));
656 ds = sym_choice_default(cs);
Sam Ravnborg84062dd2010-08-14 23:22:16 +0200657 if (!sym_is_optional(cs) && sym == ds) {
Sam Ravnborg801690c2010-08-12 09:11:51 +0200658 if ((sym->type == S_BOOLEAN) &&
659 sym_get_tristate_value(sym) == yes)
Sam Ravnborg7cf3d732010-07-31 23:35:34 +0200660 goto next_menu;
661 }
662 }
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400663 conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
Sam Ravnborg7cf3d732010-07-31 23:35:34 +0200664 }
665next_menu:
666 if (menu->list != NULL) {
667 menu = menu->list;
668 }
669 else if (menu->next != NULL) {
670 menu = menu->next;
671 } else {
672 while ((menu = menu->parent)) {
673 if (menu->next != NULL) {
674 menu = menu->next;
675 break;
676 }
677 }
678 }
679 }
680 fclose(out);
681 return 0;
682}
683
Linus Torvalds1da177e2005-04-16 15:20:36 -0700684int conf_write(const char *name)
685{
Roman Zippelc955cca2006-06-08 22:12:39 -0700686 FILE *out;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700687 struct symbol *sym;
688 struct menu *menu;
689 const char *basename;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700690 const char *str;
Will Newton1408b152010-09-22 15:59:13 +0100691 char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700692 char *env;
693
694 dirname[0] = 0;
695 if (name && name[0]) {
696 struct stat st;
697 char *slash;
698
699 if (!stat(name, &st) && S_ISDIR(st.st_mode)) {
700 strcpy(dirname, name);
701 strcat(dirname, "/");
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700702 basename = conf_get_configname();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700703 } else if ((slash = strrchr(name, '/'))) {
704 int size = slash - name + 1;
705 memcpy(dirname, name, size);
706 dirname[size] = 0;
707 if (slash[1])
708 basename = slash + 1;
709 else
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700710 basename = conf_get_configname();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700711 } else
712 basename = name;
713 } else
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700714 basename = conf_get_configname();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700715
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700716 sprintf(newname, "%s%s", dirname, basename);
717 env = getenv("KCONFIG_OVERWRITECONFIG");
718 if (!env || !*env) {
719 sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
720 out = fopen(tmpname, "w");
721 } else {
722 *tmpname = 0;
723 out = fopen(newname, "w");
724 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725 if (!out)
726 return 1;
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700727
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400728 conf_write_heading(out, &kconfig_printer_cb, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700729
Karsten Wieseb3214292006-12-13 00:34:06 -0800730 if (!conf_get_changed())
Linus Torvalds1da177e2005-04-16 15:20:36 -0700731 sym_clear_all_valid();
732
733 menu = rootmenu.list;
734 while (menu) {
735 sym = menu->sym;
736 if (!sym) {
737 if (!menu_is_visible(menu))
738 goto next;
739 str = menu_get_prompt(menu);
740 fprintf(out, "\n"
741 "#\n"
742 "# %s\n"
743 "#\n", str);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700744 } else if (!(sym->flags & SYMBOL_CHOICE)) {
745 sym_calc_value(sym);
746 if (!(sym->flags & SYMBOL_WRITE))
747 goto next;
748 sym->flags &= ~SYMBOL_WRITE;
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400749
750 conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700751 }
752
Sam Ravnborg49192f22010-07-31 23:35:33 +0200753next:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700754 if (menu->list) {
755 menu = menu->list;
756 continue;
757 }
758 if (menu->next)
759 menu = menu->next;
760 else while ((menu = menu->parent)) {
761 if (menu->next) {
762 menu = menu->next;
763 break;
764 }
765 }
766 }
767 fclose(out);
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700768
769 if (*tmpname) {
Sam Ravnborg9a3d0fe2006-10-01 11:48:53 +0200770 strcat(dirname, basename);
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700771 strcat(dirname, ".old");
772 rename(newname, dirname);
773 if (rename(tmpname, newname))
774 return 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700775 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700776
Michal Marek42368c32010-08-17 10:21:19 +0200777 conf_message(_("configuration written to %s"), newname);
Roman Zippelddc97ca2006-06-08 22:12:38 -0700778
Karsten Wiesebfc10002006-12-13 00:34:07 -0800779 sym_set_change_count(0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700780
781 return 0;
782}
Roman Zippelc955cca2006-06-08 22:12:39 -0700783
Trevor Keith4356f482009-09-18 12:49:23 -0700784static int conf_split_config(void)
Roman Zippel2e3646e2006-06-08 22:12:42 -0700785{
Markus Heidelberg12122f62009-05-18 01:36:54 +0200786 const char *name;
Will Newton1408b152010-09-22 15:59:13 +0100787 char path[PATH_MAX+1];
Roman Zippel2e3646e2006-06-08 22:12:42 -0700788 char *s, *d, c;
789 struct symbol *sym;
790 struct stat sb;
791 int res, i, fd;
792
Markus Heidelberg12122f62009-05-18 01:36:54 +0200793 name = conf_get_autoconfig_name();
Roman Zippel2e3646e2006-06-08 22:12:42 -0700794 conf_read_simple(name, S_DEF_AUTO);
795
796 if (chdir("include/config"))
797 return 1;
798
799 res = 0;
800 for_all_symbols(i, sym) {
801 sym_calc_value(sym);
802 if ((sym->flags & SYMBOL_AUTO) || !sym->name)
803 continue;
804 if (sym->flags & SYMBOL_WRITE) {
805 if (sym->flags & SYMBOL_DEF_AUTO) {
806 /*
807 * symbol has old and new value,
808 * so compare them...
809 */
810 switch (sym->type) {
811 case S_BOOLEAN:
812 case S_TRISTATE:
813 if (sym_get_tristate_value(sym) ==
814 sym->def[S_DEF_AUTO].tri)
815 continue;
816 break;
817 case S_STRING:
818 case S_HEX:
819 case S_INT:
820 if (!strcmp(sym_get_string_value(sym),
821 sym->def[S_DEF_AUTO].val))
822 continue;
823 break;
824 default:
825 break;
826 }
827 } else {
828 /*
829 * If there is no old value, only 'no' (unset)
830 * is allowed as new value.
831 */
832 switch (sym->type) {
833 case S_BOOLEAN:
834 case S_TRISTATE:
835 if (sym_get_tristate_value(sym) == no)
836 continue;
837 break;
838 default:
839 break;
840 }
841 }
842 } else if (!(sym->flags & SYMBOL_DEF_AUTO))
843 /* There is neither an old nor a new value. */
844 continue;
845 /* else
846 * There is an old value, but no new value ('no' (unset)
847 * isn't saved in auto.conf, so the old value is always
848 * different from 'no').
849 */
850
851 /* Replace all '_' and append ".h" */
852 s = sym->name;
853 d = path;
854 while ((c = *s++)) {
855 c = tolower(c);
856 *d++ = (c == '_') ? '/' : c;
857 }
858 strcpy(d, ".h");
859
860 /* Assume directory path already exists. */
861 fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
862 if (fd == -1) {
863 if (errno != ENOENT) {
864 res = 1;
865 break;
866 }
867 /*
868 * Create directory components,
869 * unless they exist already.
870 */
871 d = path;
872 while ((d = strchr(d, '/'))) {
873 *d = 0;
874 if (stat(path, &sb) && mkdir(path, 0755)) {
875 res = 1;
876 goto out;
877 }
878 *d++ = '/';
879 }
880 /* Try it again. */
881 fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
882 if (fd == -1) {
883 res = 1;
884 break;
885 }
886 }
887 close(fd);
888 }
889out:
890 if (chdir("../.."))
891 return 1;
892
893 return res;
894}
895
Roman Zippelc955cca2006-06-08 22:12:39 -0700896int conf_write_autoconf(void)
897{
898 struct symbol *sym;
Markus Heidelberg12122f62009-05-18 01:36:54 +0200899 const char *name;
Michal Marekbc081dd2009-12-07 16:38:33 +0100900 FILE *out, *tristate, *out_h;
Sam Ravnborg49192f22010-07-31 23:35:33 +0200901 int i;
Roman Zippelc955cca2006-06-08 22:12:39 -0700902
Roman Zippel2e3646e2006-06-08 22:12:42 -0700903 sym_clear_all_valid();
904
Roman Zippelc955cca2006-06-08 22:12:39 -0700905 file_write_dep("include/config/auto.conf.cmd");
906
Roman Zippel2e3646e2006-06-08 22:12:42 -0700907 if (conf_split_config())
908 return 1;
909
Roman Zippelc955cca2006-06-08 22:12:39 -0700910 out = fopen(".tmpconfig", "w");
911 if (!out)
912 return 1;
913
Michal Marekbc081dd2009-12-07 16:38:33 +0100914 tristate = fopen(".tmpconfig_tristate", "w");
915 if (!tristate) {
916 fclose(out);
917 return 1;
918 }
919
Roman Zippelc955cca2006-06-08 22:12:39 -0700920 out_h = fopen(".tmpconfig.h", "w");
921 if (!out_h) {
922 fclose(out);
Michal Marekbc081dd2009-12-07 16:38:33 +0100923 fclose(tristate);
Roman Zippelc955cca2006-06-08 22:12:39 -0700924 return 1;
925 }
926
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400927 conf_write_heading(out, &kconfig_printer_cb, NULL);
928
929 conf_write_heading(tristate, &tristate_printer_cb, NULL);
930
931 conf_write_heading(out_h, &header_printer_cb, NULL);
Roman Zippelc955cca2006-06-08 22:12:39 -0700932
Roman Zippelc955cca2006-06-08 22:12:39 -0700933 for_all_symbols(i, sym) {
Arnaud Lacombe953742c2011-08-16 01:20:20 -0400934 sym_calc_value(sym);
Paul Gortmakera9596132012-04-12 19:46:33 -0400935 if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
Arnaud Lacombe953742c2011-08-16 01:20:20 -0400936 continue;
937
Paul Gortmakera9596132012-04-12 19:46:33 -0400938 /* write symbol to auto.conf, tristate and header files */
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400939 conf_write_symbol(out, sym, &kconfig_printer_cb, (void *)1);
Sam Ravnborg49192f22010-07-31 23:35:33 +0200940
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400941 conf_write_symbol(tristate, sym, &tristate_printer_cb, (void *)1);
942
943 conf_write_symbol(out_h, sym, &header_printer_cb, NULL);
Roman Zippelc955cca2006-06-08 22:12:39 -0700944 }
945 fclose(out);
Michal Marekbc081dd2009-12-07 16:38:33 +0100946 fclose(tristate);
Roman Zippelc955cca2006-06-08 22:12:39 -0700947 fclose(out_h);
948
949 name = getenv("KCONFIG_AUTOHEADER");
950 if (!name)
Sam Ravnborg264a2682009-10-18 00:49:24 +0200951 name = "include/generated/autoconf.h";
Roman Zippelc955cca2006-06-08 22:12:39 -0700952 if (rename(".tmpconfig.h", name))
953 return 1;
Michal Marekbc081dd2009-12-07 16:38:33 +0100954 name = getenv("KCONFIG_TRISTATE");
955 if (!name)
956 name = "include/config/tristate.conf";
957 if (rename(".tmpconfig_tristate", name))
958 return 1;
Markus Heidelberg12122f62009-05-18 01:36:54 +0200959 name = conf_get_autoconfig_name();
Roman Zippelc955cca2006-06-08 22:12:39 -0700960 /*
961 * This must be the last step, kbuild has a dependency on auto.conf
962 * and this marks the successful completion of the previous steps.
963 */
964 if (rename(".tmpconfig", name))
965 return 1;
966
967 return 0;
968}
Karsten Wieseb3214292006-12-13 00:34:06 -0800969
Karsten Wiesebfc10002006-12-13 00:34:07 -0800970static int sym_change_count;
Karsten Wiese3b354c52006-12-13 00:34:08 -0800971static void (*conf_changed_callback)(void);
Karsten Wiesebfc10002006-12-13 00:34:07 -0800972
973void sym_set_change_count(int count)
974{
Karsten Wiese3b354c52006-12-13 00:34:08 -0800975 int _sym_change_count = sym_change_count;
Karsten Wiesebfc10002006-12-13 00:34:07 -0800976 sym_change_count = count;
Karsten Wiese3b354c52006-12-13 00:34:08 -0800977 if (conf_changed_callback &&
978 (bool)_sym_change_count != (bool)count)
979 conf_changed_callback();
Karsten Wiesebfc10002006-12-13 00:34:07 -0800980}
981
982void sym_add_change_count(int count)
983{
Karsten Wiese3b354c52006-12-13 00:34:08 -0800984 sym_set_change_count(count + sym_change_count);
Karsten Wiesebfc10002006-12-13 00:34:07 -0800985}
986
Karsten Wieseb3214292006-12-13 00:34:06 -0800987bool conf_get_changed(void)
988{
989 return sym_change_count;
990}
Karsten Wiese3b354c52006-12-13 00:34:08 -0800991
992void conf_set_changed_callback(void (*fn)(void))
993{
994 conf_changed_callback = fn;
995}
Roman Zippeldc7862e2008-05-06 04:55:55 +0200996
Sam Ravnborga64b44e2010-08-12 09:11:52 +0200997static void randomize_choice_values(struct symbol *csym)
998{
999 struct property *prop;
1000 struct symbol *sym;
1001 struct expr *e;
1002 int cnt, def;
1003
1004 /*
Arnaud Lacombe579fb8e2010-12-05 01:41:16 -05001005 * If choice is mod then we may have more items selected
Sam Ravnborga64b44e2010-08-12 09:11:52 +02001006 * and if no then no-one.
1007 * In both cases stop.
1008 */
1009 if (csym->curr.tri != yes)
1010 return;
1011
1012 prop = sym_get_choice_prop(csym);
1013
1014 /* count entries in choice block */
1015 cnt = 0;
1016 expr_list_for_each_sym(prop->expr, e, sym)
1017 cnt++;
1018
1019 /*
1020 * find a random value and set it to yes,
1021 * set the rest to no so we have only one set
1022 */
1023 def = (rand() % cnt);
1024
1025 cnt = 0;
1026 expr_list_for_each_sym(prop->expr, e, sym) {
1027 if (def == cnt++) {
1028 sym->def[S_DEF_USER].tri = yes;
1029 csym->def[S_DEF_USER].val = sym;
1030 }
1031 else {
1032 sym->def[S_DEF_USER].tri = no;
1033 }
1034 }
1035 csym->flags |= SYMBOL_DEF_USER;
1036 /* clear VALID to get value calculated */
1037 csym->flags &= ~(SYMBOL_VALID);
1038}
1039
1040static void set_all_choice_values(struct symbol *csym)
1041{
1042 struct property *prop;
1043 struct symbol *sym;
1044 struct expr *e;
1045
1046 prop = sym_get_choice_prop(csym);
1047
1048 /*
1049 * Set all non-assinged choice values to no
1050 */
1051 expr_list_for_each_sym(prop->expr, e, sym) {
1052 if (!sym_has_value(sym))
1053 sym->def[S_DEF_USER].tri = no;
1054 }
1055 csym->flags |= SYMBOL_DEF_USER;
1056 /* clear VALID to get value calculated */
1057 csym->flags &= ~(SYMBOL_VALID);
1058}
Roman Zippeldc7862e2008-05-06 04:55:55 +02001059
1060void conf_set_all_new_symbols(enum conf_def_mode mode)
1061{
1062 struct symbol *sym, *csym;
Sam Ravnborga64b44e2010-08-12 09:11:52 +02001063 int i, cnt;
Roman Zippeldc7862e2008-05-06 04:55:55 +02001064
1065 for_all_symbols(i, sym) {
1066 if (sym_has_value(sym))
1067 continue;
1068 switch (sym_get_type(sym)) {
1069 case S_BOOLEAN:
1070 case S_TRISTATE:
1071 switch (mode) {
1072 case def_yes:
1073 sym->def[S_DEF_USER].tri = yes;
1074 break;
1075 case def_mod:
1076 sym->def[S_DEF_USER].tri = mod;
1077 break;
1078 case def_no:
1079 sym->def[S_DEF_USER].tri = no;
1080 break;
1081 case def_random:
Peter Korsgaard1244b412010-07-22 14:24:57 +02001082 cnt = sym_get_type(sym) == S_TRISTATE ? 3 : 2;
1083 sym->def[S_DEF_USER].tri = (tristate)(rand() % cnt);
Roman Zippeldc7862e2008-05-06 04:55:55 +02001084 break;
1085 default:
1086 continue;
1087 }
Sam Ravnborg184832c2009-03-15 11:05:12 +01001088 if (!(sym_is_choice(sym) && mode == def_random))
Roman Zippeldc7862e2008-05-06 04:55:55 +02001089 sym->flags |= SYMBOL_DEF_USER;
1090 break;
1091 default:
1092 break;
1093 }
1094
1095 }
1096
Al Viroce97e132008-10-26 05:12:34 +00001097 sym_clear_all_valid();
Roman Zippeldc7862e2008-05-06 04:55:55 +02001098
Sam Ravnborg184832c2009-03-15 11:05:12 +01001099 /*
1100 * We have different type of choice blocks.
Arnaud Lacombe579fb8e2010-12-05 01:41:16 -05001101 * If curr.tri equals to mod then we can select several
Sam Ravnborg184832c2009-03-15 11:05:12 +01001102 * choice symbols in one block.
1103 * In this case we do nothing.
Arnaud Lacombe579fb8e2010-12-05 01:41:16 -05001104 * If curr.tri equals yes then only one symbol can be
Sam Ravnborg184832c2009-03-15 11:05:12 +01001105 * selected in a choice block and we set it to yes,
1106 * and the rest to no.
1107 */
Roman Zippeldc7862e2008-05-06 04:55:55 +02001108 for_all_symbols(i, csym) {
1109 if (sym_has_value(csym) || !sym_is_choice(csym))
1110 continue;
1111
1112 sym_calc_value(csym);
Sam Ravnborga64b44e2010-08-12 09:11:52 +02001113 if (mode == def_random)
1114 randomize_choice_values(csym);
1115 else
1116 set_all_choice_values(csym);
Roman Zippeldc7862e2008-05-06 04:55:55 +02001117 }
1118}