blob: 5a58965d8800daab99a8bd096262c1f95465482d [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{
Roman Zippel7a962922008-01-14 04:50:23 +0100347 struct symbol *sym, *choice_sym;
Roman Zippel90389162005-11-08 21:34:49 -0800348 struct property *prop;
349 struct expr *e;
Roman Zippel669bfad2006-06-08 22:12:42 -0700350 int i, flags;
Roman Zippel90389162005-11-08 21:34:49 -0800351
Karsten Wiesebfc10002006-12-13 00:34:07 -0800352 sym_set_change_count(0);
Roman Zippelddc97ca2006-06-08 22:12:38 -0700353
Roman Zippel669bfad2006-06-08 22:12:42 -0700354 if (conf_read_simple(name, S_DEF_USER))
Roman Zippel90389162005-11-08 21:34:49 -0800355 return 1;
356
Linus Torvalds1da177e2005-04-16 15:20:36 -0700357 for_all_symbols(i, sym) {
358 sym_calc_value(sym);
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800359 if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO))
360 goto sym_ok;
361 if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
362 /* check that calculated value agrees with saved value */
363 switch (sym->type) {
364 case S_BOOLEAN:
365 case S_TRISTATE:
Roman Zippel0c1822e2006-06-08 22:12:41 -0700366 if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym))
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800367 break;
368 if (!sym_is_choice(sym))
369 goto sym_ok;
Arnaud Lacombed8fc3202011-05-31 12:30:26 -0400370 /* fall through */
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800371 default:
Roman Zippel0c1822e2006-06-08 22:12:41 -0700372 if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))
Roman Zippelc1a0f5e2005-11-08 21:34:54 -0800373 goto sym_ok;
374 break;
375 }
376 } else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))
377 /* no previous value and not saved */
378 goto sym_ok;
379 conf_unsaved++;
380 /* maybe print value in verbose mode... */
381 sym_ok:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700382 if (!sym_is_choice(sym))
383 continue;
Roman Zippeld8982ba2007-07-09 11:43:58 -0700384 /* The choice symbol only has a set value (and thus is not new)
385 * if all its visible childs have values.
386 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387 prop = sym_get_choice_prop(sym);
Roman Zippel669bfad2006-06-08 22:12:42 -0700388 flags = sym->flags;
Roman Zippel7a962922008-01-14 04:50:23 +0100389 expr_list_for_each_sym(prop->expr, e, choice_sym)
390 if (choice_sym->visible != no)
391 flags &= choice_sym->flags;
Roman Zippel002d27b2006-07-13 13:22:38 +0200392 sym->flags &= flags | ~SYMBOL_DEF_USER;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700393 }
394
Roman Zippeld8982ba2007-07-09 11:43:58 -0700395 for_all_symbols(i, sym) {
396 if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
397 /* Reset values of generates values, so they'll appear
398 * as new, if they should become visible, but that
399 * doesn't quite work if the Kconfig and the saved
400 * configuration disagree.
401 */
402 if (sym->visible == no && !conf_unsaved)
403 sym->flags &= ~SYMBOL_DEF_USER;
404 switch (sym->type) {
405 case S_STRING:
406 case S_INT:
407 case S_HEX:
408 /* Reset a string value if it's out of range */
409 if (sym_string_within_range(sym, sym->def[S_DEF_USER].val))
410 break;
411 sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
412 conf_unsaved++;
413 break;
414 default:
415 break;
416 }
417 }
418 }
419
Karsten Wiesebfc10002006-12-13 00:34:07 -0800420 sym_add_change_count(conf_warnings || conf_unsaved);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700421
422 return 0;
423}
424
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400425/*
426 * Kconfig configuration printer
427 *
428 * This printer is used when generating the resulting configuration after
429 * kconfig invocation and `defconfig' files. Unset symbol might be omitted by
430 * passing a non-NULL argument to the printer.
431 *
432 */
433static void
434kconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
Sam Ravnborg49192f22010-07-31 23:35:33 +0200435{
Sam Ravnborg49192f22010-07-31 23:35:33 +0200436
Arnaud Lacombe0dce6312010-12-05 01:33:16 -0500437 switch (sym->type) {
Sam Ravnborg49192f22010-07-31 23:35:33 +0200438 case S_BOOLEAN:
439 case S_TRISTATE:
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400440 if (*value == 'n') {
441 bool skip_unset = (arg != NULL);
442
443 if (!skip_unset)
444 fprintf(fp, "# %s%s is not set\n",
Arnaud Lacombeffb59572010-08-14 23:57:43 -0400445 CONFIG_, sym->name);
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400446 return;
Sam Ravnborg49192f22010-07-31 23:35:33 +0200447 }
448 break;
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400449 default:
Sam Ravnborg49192f22010-07-31 23:35:33 +0200450 break;
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400451 }
452
453 fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, value);
454}
455
456static void
457kconfig_print_comment(FILE *fp, const char *value, void *arg)
458{
459 const char *p = value;
460 size_t l;
461
462 for (;;) {
463 l = strcspn(p, "\n");
464 fprintf(fp, "#");
465 if (l) {
466 fprintf(fp, " ");
467 fwrite(p, l, 1, fp);
468 p += l;
469 }
470 fprintf(fp, "\n");
471 if (*p++ == '\0')
472 break;
473 }
474}
475
476static struct conf_printer kconfig_printer_cb =
477{
478 .print_symbol = kconfig_print_symbol,
479 .print_comment = kconfig_print_comment,
480};
481
482/*
483 * Header printer
484 *
485 * This printer is used when generating the `include/generated/autoconf.h' file.
486 */
487static void
488header_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
489{
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400490
491 switch (sym->type) {
492 case S_BOOLEAN:
Arnaud Lacombeeb4cf5a2011-07-14 15:31:07 -0400493 case S_TRISTATE: {
494 const char *suffix = "";
495
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400496 switch (*value) {
497 case 'n':
Michal Marek2a11c8e2011-07-20 17:38:57 +0200498 break;
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400499 case 'm':
500 suffix = "_MODULE";
Arnaud Lacombeeb4cf5a2011-07-14 15:31:07 -0400501 /* fall through */
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400502 default:
Michal Marek2a11c8e2011-07-20 17:38:57 +0200503 fprintf(fp, "#define %s%s%s 1\n",
504 CONFIG_, sym->name, suffix);
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400505 }
Arnaud Lacombeeb4cf5a2011-07-14 15:31:07 -0400506 break;
507 }
508 case S_HEX: {
509 const char *prefix = "";
510
511 if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X'))
512 prefix = "0x";
513 fprintf(fp, "#define %s%s %s%s\n",
514 CONFIG_, sym->name, prefix, value);
515 break;
516 }
517 case S_STRING:
518 case S_INT:
519 fprintf(fp, "#define %s%s %s\n",
520 CONFIG_, sym->name, value);
Sam Ravnborg49192f22010-07-31 23:35:33 +0200521 break;
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400522 default:
523 break;
524 }
525
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400526}
527
528static void
529header_print_comment(FILE *fp, const char *value, void *arg)
530{
531 const char *p = value;
532 size_t l;
533
534 fprintf(fp, "/*\n");
535 for (;;) {
536 l = strcspn(p, "\n");
537 fprintf(fp, " *");
538 if (l) {
539 fprintf(fp, " ");
540 fwrite(p, l, 1, fp);
541 p += l;
542 }
543 fprintf(fp, "\n");
544 if (*p++ == '\0')
545 break;
546 }
547 fprintf(fp, " */\n");
548}
549
550static struct conf_printer header_printer_cb =
551{
552 .print_symbol = header_print_symbol,
553 .print_comment = header_print_comment,
554};
555
556/*
Arnaud Lacombe953742c2011-08-16 01:20:20 -0400557 * Generate the __enabled_CONFIG_* and __enabled_CONFIG_*_MODULE macros for
558 * use by the IS_{ENABLED,BUILTIN,MODULE} macros. The _MODULE variant is
559 * generated even for booleans so that the IS_ENABLED() macro works.
560 */
561static void
562header_print__enabled_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
563{
564
565 switch (sym->type) {
566 case S_BOOLEAN:
567 case S_TRISTATE: {
568 fprintf(fp, "#define __enabled_" CONFIG_ "%s %d\n",
569 sym->name, (*value == 'y'));
570 fprintf(fp, "#define __enabled_" CONFIG_ "%s_MODULE %d\n",
571 sym->name, (*value == 'm'));
572 break;
573 }
574 default:
575 break;
576 }
577}
578
579static struct conf_printer header__enabled_printer_cb =
580{
581 .print_symbol = header_print__enabled_symbol,
582 .print_comment = header_print_comment,
583};
584
585/*
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400586 * Tristate printer
587 *
588 * This printer is used when generating the `include/config/tristate.conf' file.
589 */
590static void
591tristate_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
592{
593
594 if (sym->type == S_TRISTATE && *value != 'n')
595 fprintf(fp, "%s%s=%c\n", CONFIG_, sym->name, (char)toupper(*value));
596}
597
598static struct conf_printer tristate_printer_cb =
599{
600 .print_symbol = tristate_print_symbol,
601 .print_comment = kconfig_print_comment,
602};
603
604static void conf_write_symbol(FILE *fp, struct symbol *sym,
605 struct conf_printer *printer, void *printer_arg)
606{
607 const char *str;
608
609 switch (sym->type) {
Sam Ravnborg49192f22010-07-31 23:35:33 +0200610 case S_OTHER:
611 case S_UNKNOWN:
612 break;
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400613 case S_STRING:
614 str = sym_get_string_value(sym);
615 str = sym_escape_string_value(str);
616 printer->print_symbol(fp, sym, str, printer_arg);
617 free((void *)str);
618 break;
619 default:
620 str = sym_get_string_value(sym);
621 printer->print_symbol(fp, sym, str, printer_arg);
Sam Ravnborg49192f22010-07-31 23:35:33 +0200622 }
623}
624
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400625static void
626conf_write_heading(FILE *fp, struct conf_printer *printer, void *printer_arg)
627{
628 char buf[256];
629
630 snprintf(buf, sizeof(buf),
631 "\n"
632 "Automatically generated file; DO NOT EDIT.\n"
633 "%s\n",
634 rootmenu.prompt->text);
635
636 printer->print_comment(fp, buf, printer_arg);
637}
638
Sam Ravnborg7cf3d732010-07-31 23:35:34 +0200639/*
640 * Write out a minimal config.
641 * All values that has default values are skipped as this is redundant.
642 */
643int conf_write_defconfig(const char *filename)
644{
645 struct symbol *sym;
646 struct menu *menu;
647 FILE *out;
648
649 out = fopen(filename, "w");
650 if (!out)
651 return 1;
652
653 sym_clear_all_valid();
654
655 /* Traverse all menus to find all relevant symbols */
656 menu = rootmenu.list;
657
658 while (menu != NULL)
659 {
660 sym = menu->sym;
661 if (sym == NULL) {
662 if (!menu_is_visible(menu))
663 goto next_menu;
664 } else if (!sym_is_choice(sym)) {
665 sym_calc_value(sym);
666 if (!(sym->flags & SYMBOL_WRITE))
667 goto next_menu;
668 sym->flags &= ~SYMBOL_WRITE;
669 /* If we cannot change the symbol - skip */
670 if (!sym_is_changable(sym))
671 goto next_menu;
672 /* If symbol equals to default value - skip */
673 if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0)
674 goto next_menu;
675
676 /*
677 * If symbol is a choice value and equals to the
678 * default for a choice - skip.
Sam Ravnborg84062dd2010-08-14 23:22:16 +0200679 * But only if value is bool and equal to "y" and
680 * choice is not "optional".
681 * (If choice is "optional" then all values can be "n")
Sam Ravnborg7cf3d732010-07-31 23:35:34 +0200682 */
683 if (sym_is_choice_value(sym)) {
684 struct symbol *cs;
685 struct symbol *ds;
686
687 cs = prop_get_symbol(sym_get_choice_prop(sym));
688 ds = sym_choice_default(cs);
Sam Ravnborg84062dd2010-08-14 23:22:16 +0200689 if (!sym_is_optional(cs) && sym == ds) {
Sam Ravnborg801690c2010-08-12 09:11:51 +0200690 if ((sym->type == S_BOOLEAN) &&
691 sym_get_tristate_value(sym) == yes)
Sam Ravnborg7cf3d732010-07-31 23:35:34 +0200692 goto next_menu;
693 }
694 }
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400695 conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
Sam Ravnborg7cf3d732010-07-31 23:35:34 +0200696 }
697next_menu:
698 if (menu->list != NULL) {
699 menu = menu->list;
700 }
701 else if (menu->next != NULL) {
702 menu = menu->next;
703 } else {
704 while ((menu = menu->parent)) {
705 if (menu->next != NULL) {
706 menu = menu->next;
707 break;
708 }
709 }
710 }
711 }
712 fclose(out);
713 return 0;
714}
715
Linus Torvalds1da177e2005-04-16 15:20:36 -0700716int conf_write(const char *name)
717{
Roman Zippelc955cca2006-06-08 22:12:39 -0700718 FILE *out;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700719 struct symbol *sym;
720 struct menu *menu;
721 const char *basename;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700722 const char *str;
Will Newton1408b152010-09-22 15:59:13 +0100723 char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700724 char *env;
725
726 dirname[0] = 0;
727 if (name && name[0]) {
728 struct stat st;
729 char *slash;
730
731 if (!stat(name, &st) && S_ISDIR(st.st_mode)) {
732 strcpy(dirname, name);
733 strcat(dirname, "/");
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700734 basename = conf_get_configname();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700735 } else if ((slash = strrchr(name, '/'))) {
736 int size = slash - name + 1;
737 memcpy(dirname, name, size);
738 dirname[size] = 0;
739 if (slash[1])
740 basename = slash + 1;
741 else
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700742 basename = conf_get_configname();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700743 } else
744 basename = name;
745 } else
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700746 basename = conf_get_configname();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700747
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700748 sprintf(newname, "%s%s", dirname, basename);
749 env = getenv("KCONFIG_OVERWRITECONFIG");
750 if (!env || !*env) {
751 sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
752 out = fopen(tmpname, "w");
753 } else {
754 *tmpname = 0;
755 out = fopen(newname, "w");
756 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700757 if (!out)
758 return 1;
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700759
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400760 conf_write_heading(out, &kconfig_printer_cb, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700761
Karsten Wieseb3214292006-12-13 00:34:06 -0800762 if (!conf_get_changed())
Linus Torvalds1da177e2005-04-16 15:20:36 -0700763 sym_clear_all_valid();
764
765 menu = rootmenu.list;
766 while (menu) {
767 sym = menu->sym;
768 if (!sym) {
769 if (!menu_is_visible(menu))
770 goto next;
771 str = menu_get_prompt(menu);
772 fprintf(out, "\n"
773 "#\n"
774 "# %s\n"
775 "#\n", str);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700776 } else if (!(sym->flags & SYMBOL_CHOICE)) {
777 sym_calc_value(sym);
778 if (!(sym->flags & SYMBOL_WRITE))
779 goto next;
780 sym->flags &= ~SYMBOL_WRITE;
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400781
782 conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700783 }
784
Sam Ravnborg49192f22010-07-31 23:35:33 +0200785next:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700786 if (menu->list) {
787 menu = menu->list;
788 continue;
789 }
790 if (menu->next)
791 menu = menu->next;
792 else while ((menu = menu->parent)) {
793 if (menu->next) {
794 menu = menu->next;
795 break;
796 }
797 }
798 }
799 fclose(out);
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700800
801 if (*tmpname) {
Sam Ravnborg9a3d0fe2006-10-01 11:48:53 +0200802 strcat(dirname, basename);
Roman Zippel14cdd3c2006-06-08 22:12:51 -0700803 strcat(dirname, ".old");
804 rename(newname, dirname);
805 if (rename(tmpname, newname))
806 return 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700807 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700808
Michal Marek42368c32010-08-17 10:21:19 +0200809 conf_message(_("configuration written to %s"), newname);
Roman Zippelddc97ca2006-06-08 22:12:38 -0700810
Karsten Wiesebfc10002006-12-13 00:34:07 -0800811 sym_set_change_count(0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700812
813 return 0;
814}
Roman Zippelc955cca2006-06-08 22:12:39 -0700815
Trevor Keith4356f482009-09-18 12:49:23 -0700816static int conf_split_config(void)
Roman Zippel2e3646e2006-06-08 22:12:42 -0700817{
Markus Heidelberg12122f62009-05-18 01:36:54 +0200818 const char *name;
Will Newton1408b152010-09-22 15:59:13 +0100819 char path[PATH_MAX+1];
Roman Zippel2e3646e2006-06-08 22:12:42 -0700820 char *s, *d, c;
821 struct symbol *sym;
822 struct stat sb;
823 int res, i, fd;
824
Markus Heidelberg12122f62009-05-18 01:36:54 +0200825 name = conf_get_autoconfig_name();
Roman Zippel2e3646e2006-06-08 22:12:42 -0700826 conf_read_simple(name, S_DEF_AUTO);
827
828 if (chdir("include/config"))
829 return 1;
830
831 res = 0;
832 for_all_symbols(i, sym) {
833 sym_calc_value(sym);
834 if ((sym->flags & SYMBOL_AUTO) || !sym->name)
835 continue;
836 if (sym->flags & SYMBOL_WRITE) {
837 if (sym->flags & SYMBOL_DEF_AUTO) {
838 /*
839 * symbol has old and new value,
840 * so compare them...
841 */
842 switch (sym->type) {
843 case S_BOOLEAN:
844 case S_TRISTATE:
845 if (sym_get_tristate_value(sym) ==
846 sym->def[S_DEF_AUTO].tri)
847 continue;
848 break;
849 case S_STRING:
850 case S_HEX:
851 case S_INT:
852 if (!strcmp(sym_get_string_value(sym),
853 sym->def[S_DEF_AUTO].val))
854 continue;
855 break;
856 default:
857 break;
858 }
859 } else {
860 /*
861 * If there is no old value, only 'no' (unset)
862 * is allowed as new value.
863 */
864 switch (sym->type) {
865 case S_BOOLEAN:
866 case S_TRISTATE:
867 if (sym_get_tristate_value(sym) == no)
868 continue;
869 break;
870 default:
871 break;
872 }
873 }
874 } else if (!(sym->flags & SYMBOL_DEF_AUTO))
875 /* There is neither an old nor a new value. */
876 continue;
877 /* else
878 * There is an old value, but no new value ('no' (unset)
879 * isn't saved in auto.conf, so the old value is always
880 * different from 'no').
881 */
882
883 /* Replace all '_' and append ".h" */
884 s = sym->name;
885 d = path;
886 while ((c = *s++)) {
887 c = tolower(c);
888 *d++ = (c == '_') ? '/' : c;
889 }
890 strcpy(d, ".h");
891
892 /* Assume directory path already exists. */
893 fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
894 if (fd == -1) {
895 if (errno != ENOENT) {
896 res = 1;
897 break;
898 }
899 /*
900 * Create directory components,
901 * unless they exist already.
902 */
903 d = path;
904 while ((d = strchr(d, '/'))) {
905 *d = 0;
906 if (stat(path, &sb) && mkdir(path, 0755)) {
907 res = 1;
908 goto out;
909 }
910 *d++ = '/';
911 }
912 /* Try it again. */
913 fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
914 if (fd == -1) {
915 res = 1;
916 break;
917 }
918 }
919 close(fd);
920 }
921out:
922 if (chdir("../.."))
923 return 1;
924
925 return res;
926}
927
Roman Zippelc955cca2006-06-08 22:12:39 -0700928int conf_write_autoconf(void)
929{
930 struct symbol *sym;
Markus Heidelberg12122f62009-05-18 01:36:54 +0200931 const char *name;
Michal Marekbc081dd2009-12-07 16:38:33 +0100932 FILE *out, *tristate, *out_h;
Sam Ravnborg49192f22010-07-31 23:35:33 +0200933 int i;
Roman Zippelc955cca2006-06-08 22:12:39 -0700934
Roman Zippel2e3646e2006-06-08 22:12:42 -0700935 sym_clear_all_valid();
936
Roman Zippelc955cca2006-06-08 22:12:39 -0700937 file_write_dep("include/config/auto.conf.cmd");
938
Roman Zippel2e3646e2006-06-08 22:12:42 -0700939 if (conf_split_config())
940 return 1;
941
Roman Zippelc955cca2006-06-08 22:12:39 -0700942 out = fopen(".tmpconfig", "w");
943 if (!out)
944 return 1;
945
Michal Marekbc081dd2009-12-07 16:38:33 +0100946 tristate = fopen(".tmpconfig_tristate", "w");
947 if (!tristate) {
948 fclose(out);
949 return 1;
950 }
951
Roman Zippelc955cca2006-06-08 22:12:39 -0700952 out_h = fopen(".tmpconfig.h", "w");
953 if (!out_h) {
954 fclose(out);
Michal Marekbc081dd2009-12-07 16:38:33 +0100955 fclose(tristate);
Roman Zippelc955cca2006-06-08 22:12:39 -0700956 return 1;
957 }
958
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400959 conf_write_heading(out, &kconfig_printer_cb, NULL);
960
961 conf_write_heading(tristate, &tristate_printer_cb, NULL);
962
963 conf_write_heading(out_h, &header_printer_cb, NULL);
Roman Zippelc955cca2006-06-08 22:12:39 -0700964
Roman Zippelc955cca2006-06-08 22:12:39 -0700965 for_all_symbols(i, sym) {
Arnaud Lacombe953742c2011-08-16 01:20:20 -0400966 if (!sym->name)
Roman Zippelc955cca2006-06-08 22:12:39 -0700967 continue;
Sam Ravnborg49192f22010-07-31 23:35:33 +0200968
Arnaud Lacombe953742c2011-08-16 01:20:20 -0400969 sym_calc_value(sym);
970
971 conf_write_symbol(out_h, sym, &header__enabled_printer_cb, NULL);
972
973 if (!(sym->flags & SYMBOL_WRITE))
974 continue;
975
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400976 conf_write_symbol(out, sym, &kconfig_printer_cb, (void *)1);
Sam Ravnborg49192f22010-07-31 23:35:33 +0200977
Arnaud Lacombee54e6922011-05-15 23:42:09 -0400978 conf_write_symbol(tristate, sym, &tristate_printer_cb, (void *)1);
979
980 conf_write_symbol(out_h, sym, &header_printer_cb, NULL);
Roman Zippelc955cca2006-06-08 22:12:39 -0700981 }
982 fclose(out);
Michal Marekbc081dd2009-12-07 16:38:33 +0100983 fclose(tristate);
Roman Zippelc955cca2006-06-08 22:12:39 -0700984 fclose(out_h);
985
986 name = getenv("KCONFIG_AUTOHEADER");
987 if (!name)
Sam Ravnborg264a2682009-10-18 00:49:24 +0200988 name = "include/generated/autoconf.h";
Roman Zippelc955cca2006-06-08 22:12:39 -0700989 if (rename(".tmpconfig.h", name))
990 return 1;
Michal Marekbc081dd2009-12-07 16:38:33 +0100991 name = getenv("KCONFIG_TRISTATE");
992 if (!name)
993 name = "include/config/tristate.conf";
994 if (rename(".tmpconfig_tristate", name))
995 return 1;
Markus Heidelberg12122f62009-05-18 01:36:54 +0200996 name = conf_get_autoconfig_name();
Roman Zippelc955cca2006-06-08 22:12:39 -0700997 /*
998 * This must be the last step, kbuild has a dependency on auto.conf
999 * and this marks the successful completion of the previous steps.
1000 */
1001 if (rename(".tmpconfig", name))
1002 return 1;
1003
1004 return 0;
1005}
Karsten Wieseb3214292006-12-13 00:34:06 -08001006
Karsten Wiesebfc10002006-12-13 00:34:07 -08001007static int sym_change_count;
Karsten Wiese3b354c52006-12-13 00:34:08 -08001008static void (*conf_changed_callback)(void);
Karsten Wiesebfc10002006-12-13 00:34:07 -08001009
1010void sym_set_change_count(int count)
1011{
Karsten Wiese3b354c52006-12-13 00:34:08 -08001012 int _sym_change_count = sym_change_count;
Karsten Wiesebfc10002006-12-13 00:34:07 -08001013 sym_change_count = count;
Karsten Wiese3b354c52006-12-13 00:34:08 -08001014 if (conf_changed_callback &&
1015 (bool)_sym_change_count != (bool)count)
1016 conf_changed_callback();
Karsten Wiesebfc10002006-12-13 00:34:07 -08001017}
1018
1019void sym_add_change_count(int count)
1020{
Karsten Wiese3b354c52006-12-13 00:34:08 -08001021 sym_set_change_count(count + sym_change_count);
Karsten Wiesebfc10002006-12-13 00:34:07 -08001022}
1023
Karsten Wieseb3214292006-12-13 00:34:06 -08001024bool conf_get_changed(void)
1025{
1026 return sym_change_count;
1027}
Karsten Wiese3b354c52006-12-13 00:34:08 -08001028
1029void conf_set_changed_callback(void (*fn)(void))
1030{
1031 conf_changed_callback = fn;
1032}
Roman Zippeldc7862e2008-05-06 04:55:55 +02001033
Sam Ravnborga64b44e2010-08-12 09:11:52 +02001034static void randomize_choice_values(struct symbol *csym)
1035{
1036 struct property *prop;
1037 struct symbol *sym;
1038 struct expr *e;
1039 int cnt, def;
1040
1041 /*
Arnaud Lacombe579fb8e2010-12-05 01:41:16 -05001042 * If choice is mod then we may have more items selected
Sam Ravnborga64b44e2010-08-12 09:11:52 +02001043 * and if no then no-one.
1044 * In both cases stop.
1045 */
1046 if (csym->curr.tri != yes)
1047 return;
1048
1049 prop = sym_get_choice_prop(csym);
1050
1051 /* count entries in choice block */
1052 cnt = 0;
1053 expr_list_for_each_sym(prop->expr, e, sym)
1054 cnt++;
1055
1056 /*
1057 * find a random value and set it to yes,
1058 * set the rest to no so we have only one set
1059 */
1060 def = (rand() % cnt);
1061
1062 cnt = 0;
1063 expr_list_for_each_sym(prop->expr, e, sym) {
1064 if (def == cnt++) {
1065 sym->def[S_DEF_USER].tri = yes;
1066 csym->def[S_DEF_USER].val = sym;
1067 }
1068 else {
1069 sym->def[S_DEF_USER].tri = no;
1070 }
1071 }
1072 csym->flags |= SYMBOL_DEF_USER;
1073 /* clear VALID to get value calculated */
1074 csym->flags &= ~(SYMBOL_VALID);
1075}
1076
1077static void set_all_choice_values(struct symbol *csym)
1078{
1079 struct property *prop;
1080 struct symbol *sym;
1081 struct expr *e;
1082
1083 prop = sym_get_choice_prop(csym);
1084
1085 /*
1086 * Set all non-assinged choice values to no
1087 */
1088 expr_list_for_each_sym(prop->expr, e, sym) {
1089 if (!sym_has_value(sym))
1090 sym->def[S_DEF_USER].tri = no;
1091 }
1092 csym->flags |= SYMBOL_DEF_USER;
1093 /* clear VALID to get value calculated */
1094 csym->flags &= ~(SYMBOL_VALID);
1095}
Roman Zippeldc7862e2008-05-06 04:55:55 +02001096
1097void conf_set_all_new_symbols(enum conf_def_mode mode)
1098{
1099 struct symbol *sym, *csym;
Sam Ravnborga64b44e2010-08-12 09:11:52 +02001100 int i, cnt;
Roman Zippeldc7862e2008-05-06 04:55:55 +02001101
1102 for_all_symbols(i, sym) {
1103 if (sym_has_value(sym))
1104 continue;
1105 switch (sym_get_type(sym)) {
1106 case S_BOOLEAN:
1107 case S_TRISTATE:
1108 switch (mode) {
1109 case def_yes:
1110 sym->def[S_DEF_USER].tri = yes;
1111 break;
1112 case def_mod:
1113 sym->def[S_DEF_USER].tri = mod;
1114 break;
1115 case def_no:
1116 sym->def[S_DEF_USER].tri = no;
1117 break;
1118 case def_random:
Peter Korsgaard1244b412010-07-22 14:24:57 +02001119 cnt = sym_get_type(sym) == S_TRISTATE ? 3 : 2;
1120 sym->def[S_DEF_USER].tri = (tristate)(rand() % cnt);
Roman Zippeldc7862e2008-05-06 04:55:55 +02001121 break;
1122 default:
1123 continue;
1124 }
Sam Ravnborg184832c2009-03-15 11:05:12 +01001125 if (!(sym_is_choice(sym) && mode == def_random))
Roman Zippeldc7862e2008-05-06 04:55:55 +02001126 sym->flags |= SYMBOL_DEF_USER;
1127 break;
1128 default:
1129 break;
1130 }
1131
1132 }
1133
Al Viroce97e132008-10-26 05:12:34 +00001134 sym_clear_all_valid();
Roman Zippeldc7862e2008-05-06 04:55:55 +02001135
Sam Ravnborg184832c2009-03-15 11:05:12 +01001136 /*
1137 * We have different type of choice blocks.
Arnaud Lacombe579fb8e2010-12-05 01:41:16 -05001138 * If curr.tri equals to mod then we can select several
Sam Ravnborg184832c2009-03-15 11:05:12 +01001139 * choice symbols in one block.
1140 * In this case we do nothing.
Arnaud Lacombe579fb8e2010-12-05 01:41:16 -05001141 * If curr.tri equals yes then only one symbol can be
Sam Ravnborg184832c2009-03-15 11:05:12 +01001142 * selected in a choice block and we set it to yes,
1143 * and the rest to no.
1144 */
Roman Zippeldc7862e2008-05-06 04:55:55 +02001145 for_all_symbols(i, csym) {
1146 if (sym_has_value(csym) || !sym_is_choice(csym))
1147 continue;
1148
1149 sym_calc_value(csym);
Sam Ravnborga64b44e2010-08-12 09:11:52 +02001150 if (mode == def_random)
1151 randomize_choice_values(csym);
1152 else
1153 set_all_choice_values(csym);
Roman Zippeldc7862e2008-05-06 04:55:55 +02001154 }
1155}