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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
EGRY Gabor534a4502008-01-11 23:44:39 +01006#include <locale.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07007#include <ctype.h>
Randy Dunlap9dfb5632006-04-18 22:21:53 -07008#include <stdio.h>
Ladislav Michl75ff4302008-01-09 16:36:19 +01009#include <stdlib.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070010#include <string.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070011#include <time.h>
Ladislav Michl75ff4302008-01-09 16:36:19 +010012#include <unistd.h>
Sam Ravnborg4062f1a2010-07-31 23:35:26 +020013#include <getopt.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070014#include <sys/stat.h>
Ingo Molnarb0fe5512009-03-12 15:15:31 +010015#include <sys/time.h>
Yann E. MORIN0d8024c2013-04-13 22:49:13 +020016#include <errno.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070017
Linus Torvalds1da177e2005-04-16 15:20:36 -070018#include "lkc.h"
19
20static void conf(struct menu *menu);
21static void check_conf(struct menu *menu);
Arnaud Lacombeab63f582011-07-02 00:59:41 -040022static void xfgets(char *str, int size, FILE *in);
Linus Torvalds1da177e2005-04-16 15:20:36 -070023
Sam Ravnborg4062f1a2010-07-31 23:35:26 +020024enum input_mode {
25 oldaskconfig,
26 silentoldconfig,
27 oldconfig,
28 allnoconfig,
29 allyesconfig,
30 allmodconfig,
Sam Ravnborg0748cb32010-07-31 23:35:31 +020031 alldefconfig,
Sam Ravnborg4062f1a2010-07-31 23:35:26 +020032 randconfig,
33 defconfig,
Sam Ravnborg7cf3d732010-07-31 23:35:34 +020034 savedefconfig,
Sam Ravnborg861b4ea2010-07-31 23:35:28 +020035 listnewconfig,
Adam Leefb16d892012-09-01 01:05:17 +080036 olddefconfig,
Sam Ravnborg4062f1a2010-07-31 23:35:26 +020037} input_mode = oldaskconfig;
38
Linus Torvalds1da177e2005-04-16 15:20:36 -070039static int indent = 1;
Ben Hutchings62dc9892013-02-19 02:24:26 +020040static int tty_stdio;
Linus Torvalds1da177e2005-04-16 15:20:36 -070041static int valid_stdin = 1;
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +020042static int sync_kconfig;
Linus Torvalds1da177e2005-04-16 15:20:36 -070043static int conf_cnt;
J.A. Magallon48b9d032005-06-25 14:59:22 -070044static char line[128];
Linus Torvalds1da177e2005-04-16 15:20:36 -070045static struct menu *rootEntry;
46
Cheng Renquan66c4bd82009-07-12 16:11:48 +080047static void print_help(struct menu *menu)
Sam Ravnborg03d29122007-07-21 00:00:36 +020048{
Cheng Renquan66c4bd82009-07-12 16:11:48 +080049 struct gstr help = str_new();
50
51 menu_get_ext_help(menu, &help);
52
53 printf("\n%s\n", str_get(&help));
54 str_free(&help);
Sam Ravnborg03d29122007-07-21 00:00:36 +020055}
56
J.A. Magallon48b9d032005-06-25 14:59:22 -070057static void strip(char *str)
Linus Torvalds1da177e2005-04-16 15:20:36 -070058{
J.A. Magallon48b9d032005-06-25 14:59:22 -070059 char *p = str;
Linus Torvalds1da177e2005-04-16 15:20:36 -070060 int l;
61
62 while ((isspace(*p)))
63 p++;
64 l = strlen(p);
65 if (p != str)
66 memmove(str, p, l + 1);
67 if (!l)
68 return;
69 p = str + l - 1;
70 while ((isspace(*p)))
71 *p-- = 0;
72}
73
74static void check_stdin(void)
75{
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +020076 if (!valid_stdin) {
Arnaldo Carvalho de Melo3b9fa092005-05-05 15:09:46 -070077 printf(_("aborted!\n\n"));
78 printf(_("Console input/output is redirected. "));
79 printf(_("Run 'make oldconfig' to update configuration.\n\n"));
Linus Torvalds1da177e2005-04-16 15:20:36 -070080 exit(1);
81 }
82}
83
Roman Zippelf82f3f92007-08-30 05:06:17 +020084static int conf_askvalue(struct symbol *sym, const char *def)
Linus Torvalds1da177e2005-04-16 15:20:36 -070085{
86 enum symbol_type type = sym_get_type(sym);
Linus Torvalds1da177e2005-04-16 15:20:36 -070087
88 if (!sym_has_value(sym))
EGRY Gabor534a4502008-01-11 23:44:39 +010089 printf(_("(NEW) "));
Linus Torvalds1da177e2005-04-16 15:20:36 -070090
91 line[0] = '\n';
92 line[1] = 0;
93
94 if (!sym_is_changable(sym)) {
95 printf("%s\n", def);
96 line[0] = '\n';
97 line[1] = 0;
Roman Zippelf82f3f92007-08-30 05:06:17 +020098 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -070099 }
100
101 switch (input_mode) {
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200102 case oldconfig:
103 case silentoldconfig:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104 if (sym_has_value(sym)) {
105 printf("%s\n", def);
Roman Zippelf82f3f92007-08-30 05:06:17 +0200106 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107 }
108 check_stdin();
Arnaud Lacombed8fc3202011-05-31 12:30:26 -0400109 /* fall through */
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200110 case oldaskconfig:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 fflush(stdout);
Jean Sacren4418a2b2010-08-04 16:03:16 -0600112 xfgets(line, 128, stdin);
Ben Hutchings62dc9892013-02-19 02:24:26 +0200113 if (!tty_stdio)
114 printf("\n");
Roman Zippelf82f3f92007-08-30 05:06:17 +0200115 return 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116 default:
117 break;
118 }
119
120 switch (type) {
121 case S_INT:
122 case S_HEX:
123 case S_STRING:
124 printf("%s\n", def);
Roman Zippelf82f3f92007-08-30 05:06:17 +0200125 return 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126 default:
127 ;
128 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129 printf("%s", line);
Roman Zippelf82f3f92007-08-30 05:06:17 +0200130 return 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131}
132
Trevor Keith4356f482009-09-18 12:49:23 -0700133static int conf_string(struct menu *menu)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700134{
135 struct symbol *sym = menu->sym;
Sam Ravnborg03d29122007-07-21 00:00:36 +0200136 const char *def;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137
138 while (1) {
EGRY Gabor534a4502008-01-11 23:44:39 +0100139 printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140 printf("(%s) ", sym->name);
141 def = sym_get_string_value(sym);
142 if (sym_get_string_value(sym))
143 printf("[%s] ", def);
Roman Zippelf82f3f92007-08-30 05:06:17 +0200144 if (!conf_askvalue(sym, def))
145 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146 switch (line[0]) {
147 case '\n':
148 break;
149 case '?':
150 /* print help */
151 if (line[1] == '\n') {
Cheng Renquan66c4bd82009-07-12 16:11:48 +0800152 print_help(menu);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153 def = NULL;
154 break;
155 }
Arnaud Lacombed8fc3202011-05-31 12:30:26 -0400156 /* fall through */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157 default:
158 line[strlen(line)-1] = 0;
159 def = line;
160 }
161 if (def && sym_set_string_value(sym, def))
162 return 0;
163 }
164}
165
166static int conf_sym(struct menu *menu)
167{
168 struct symbol *sym = menu->sym;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169 tristate oldval, newval;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170
171 while (1) {
EGRY Gabor534a4502008-01-11 23:44:39 +0100172 printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173 if (sym->name)
174 printf("(%s) ", sym->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175 putchar('[');
176 oldval = sym_get_tristate_value(sym);
177 switch (oldval) {
178 case no:
179 putchar('N');
180 break;
181 case mod:
182 putchar('M');
183 break;
184 case yes:
185 putchar('Y');
186 break;
187 }
188 if (oldval != no && sym_tristate_within_range(sym, no))
189 printf("/n");
190 if (oldval != mod && sym_tristate_within_range(sym, mod))
191 printf("/m");
192 if (oldval != yes && sym_tristate_within_range(sym, yes))
193 printf("/y");
Sam Ravnborg03d29122007-07-21 00:00:36 +0200194 if (menu_has_help(menu))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195 printf("/?");
196 printf("] ");
Roman Zippelf82f3f92007-08-30 05:06:17 +0200197 if (!conf_askvalue(sym, sym_get_string_value(sym)))
198 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199 strip(line);
200
201 switch (line[0]) {
202 case 'n':
203 case 'N':
204 newval = no;
205 if (!line[1] || !strcmp(&line[1], "o"))
206 break;
207 continue;
208 case 'm':
209 case 'M':
210 newval = mod;
211 if (!line[1])
212 break;
213 continue;
214 case 'y':
215 case 'Y':
216 newval = yes;
217 if (!line[1] || !strcmp(&line[1], "es"))
218 break;
219 continue;
220 case 0:
221 newval = oldval;
222 break;
223 case '?':
224 goto help;
225 default:
226 continue;
227 }
228 if (sym_set_tristate_value(sym, newval))
229 return 0;
230help:
Cheng Renquan66c4bd82009-07-12 16:11:48 +0800231 print_help(menu);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232 }
233}
234
235static int conf_choice(struct menu *menu)
236{
237 struct symbol *sym, *def_sym;
238 struct menu *child;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700239 bool is_new;
240
241 sym = menu->sym;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242 is_new = !sym_has_value(sym);
243 if (sym_is_changable(sym)) {
244 conf_sym(menu);
245 sym_calc_value(sym);
246 switch (sym_get_tristate_value(sym)) {
247 case no:
248 return 1;
249 case mod:
250 return 0;
251 case yes:
252 break;
253 }
254 } else {
255 switch (sym_get_tristate_value(sym)) {
256 case no:
257 return 1;
258 case mod:
EGRY Gabor534a4502008-01-11 23:44:39 +0100259 printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700260 return 0;
261 case yes:
262 break;
263 }
264 }
265
266 while (1) {
267 int cnt, def;
268
EGRY Gabor534a4502008-01-11 23:44:39 +0100269 printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700270 def_sym = sym_get_choice_value(sym);
271 cnt = def = 0;
Roman Zippel40aee722006-04-09 17:26:39 +0200272 line[0] = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700273 for (child = menu->list; child; child = child->next) {
274 if (!menu_is_visible(child))
275 continue;
276 if (!child->sym) {
EGRY Gabor534a4502008-01-11 23:44:39 +0100277 printf("%*c %s\n", indent, '*', _(menu_get_prompt(child)));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700278 continue;
279 }
280 cnt++;
281 if (child->sym == def_sym) {
282 def = cnt;
283 printf("%*c", indent, '>');
284 } else
285 printf("%*c", indent, ' ');
EGRY Gabor534a4502008-01-11 23:44:39 +0100286 printf(" %d. %s", cnt, _(menu_get_prompt(child)));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700287 if (child->sym->name)
288 printf(" (%s)", child->sym->name);
289 if (!sym_has_value(child->sym))
EGRY Gabor534a4502008-01-11 23:44:39 +0100290 printf(_(" (NEW)"));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291 printf("\n");
292 }
EGRY Gabor534a4502008-01-11 23:44:39 +0100293 printf(_("%*schoice"), indent - 1, "");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700294 if (cnt == 1) {
295 printf("[1]: 1\n");
296 goto conf_childs;
297 }
298 printf("[1-%d", cnt);
Sam Ravnborg03d29122007-07-21 00:00:36 +0200299 if (menu_has_help(menu))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300 printf("?");
301 printf("]: ");
302 switch (input_mode) {
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200303 case oldconfig:
304 case silentoldconfig:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305 if (!is_new) {
306 cnt = def;
307 printf("%d\n", cnt);
308 break;
309 }
310 check_stdin();
Arnaud Lacombed8fc3202011-05-31 12:30:26 -0400311 /* fall through */
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200312 case oldaskconfig:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700313 fflush(stdout);
Jean Sacren4418a2b2010-08-04 16:03:16 -0600314 xfgets(line, 128, stdin);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315 strip(line);
316 if (line[0] == '?') {
Cheng Renquan66c4bd82009-07-12 16:11:48 +0800317 print_help(menu);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700318 continue;
319 }
320 if (!line[0])
321 cnt = def;
322 else if (isdigit(line[0]))
323 cnt = atoi(line);
324 else
325 continue;
326 break;
Sam Ravnborgf443d2e2008-06-30 22:45:38 +0200327 default:
328 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700329 }
330
331 conf_childs:
332 for (child = menu->list; child; child = child->next) {
333 if (!child->sym || !menu_is_visible(child))
334 continue;
335 if (!--cnt)
336 break;
337 }
338 if (!child)
339 continue;
Ben Hutchings3ba41622011-04-23 18:42:56 +0100340 if (line[0] && line[strlen(line) - 1] == '?') {
Cheng Renquan66c4bd82009-07-12 16:11:48 +0800341 print_help(child);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700342 continue;
343 }
344 sym_set_choice_value(sym, child->sym);
Jan Beulichf5eaa322008-01-24 11:54:23 +0000345 for (child = child->list; child; child = child->next) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700346 indent += 2;
Jan Beulichf5eaa322008-01-24 11:54:23 +0000347 conf(child);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700348 indent -= 2;
349 }
350 return 1;
351 }
352}
353
354static void conf(struct menu *menu)
355{
356 struct symbol *sym;
357 struct property *prop;
358 struct menu *child;
359
360 if (!menu_is_visible(menu))
361 return;
362
363 sym = menu->sym;
364 prop = menu->prompt;
365 if (prop) {
366 const char *prompt;
367
368 switch (prop->type) {
369 case P_MENU:
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200370 if ((input_mode == silentoldconfig ||
Sam Ravnborg861b4ea2010-07-31 23:35:28 +0200371 input_mode == listnewconfig ||
Adam Leefb16d892012-09-01 01:05:17 +0800372 input_mode == olddefconfig) &&
Aristeu Rozanskif0778c82010-05-06 12:48:34 -0400373 rootEntry != menu) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700374 check_conf(menu);
375 return;
376 }
Arnaud Lacombed8fc3202011-05-31 12:30:26 -0400377 /* fall through */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700378 case P_COMMENT:
379 prompt = menu_get_prompt(menu);
380 if (prompt)
381 printf("%*c\n%*c %s\n%*c\n",
382 indent, '*',
EGRY Gabor534a4502008-01-11 23:44:39 +0100383 indent, '*', _(prompt),
Linus Torvalds1da177e2005-04-16 15:20:36 -0700384 indent, '*');
385 default:
386 ;
387 }
388 }
389
390 if (!sym)
391 goto conf_childs;
392
393 if (sym_is_choice(sym)) {
394 conf_choice(menu);
395 if (sym->curr.tri != mod)
396 return;
397 goto conf_childs;
398 }
399
400 switch (sym->type) {
401 case S_INT:
402 case S_HEX:
403 case S_STRING:
404 conf_string(menu);
405 break;
406 default:
407 conf_sym(menu);
408 break;
409 }
410
411conf_childs:
412 if (sym)
413 indent += 2;
414 for (child = menu->list; child; child = child->next)
415 conf(child);
416 if (sym)
417 indent -= 2;
418}
419
420static void check_conf(struct menu *menu)
421{
422 struct symbol *sym;
423 struct menu *child;
424
425 if (!menu_is_visible(menu))
426 return;
427
428 sym = menu->sym;
Roman Zippel3f23ca22005-11-08 21:34:48 -0800429 if (sym && !sym_has_value(sym)) {
430 if (sym_is_changable(sym) ||
431 (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
Sam Ravnborg861b4ea2010-07-31 23:35:28 +0200432 if (input_mode == listnewconfig) {
433 if (sym->name && !sym_is_choice_value(sym)) {
Arnaud Lacombeffb59572010-08-14 23:57:43 -0400434 printf("%s%s\n", CONFIG_, sym->name);
Aristeu Rozanskif0778c82010-05-06 12:48:34 -0400435 }
Adam Leefb16d892012-09-01 01:05:17 +0800436 } else if (input_mode != olddefconfig) {
Aristeu Rozanskif0778c82010-05-06 12:48:34 -0400437 if (!conf_cnt++)
438 printf(_("*\n* Restart config...\n*\n"));
439 rootEntry = menu_get_parent_menu(menu);
440 conf(rootEntry);
441 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700442 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700443 }
444
445 for (child = menu->list; child; child = child->next)
446 check_conf(child);
447}
448
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200449static struct option long_opts[] = {
450 {"oldaskconfig", no_argument, NULL, oldaskconfig},
451 {"oldconfig", no_argument, NULL, oldconfig},
452 {"silentoldconfig", no_argument, NULL, silentoldconfig},
453 {"defconfig", optional_argument, NULL, defconfig},
Sam Ravnborg7cf3d732010-07-31 23:35:34 +0200454 {"savedefconfig", required_argument, NULL, savedefconfig},
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200455 {"allnoconfig", no_argument, NULL, allnoconfig},
456 {"allyesconfig", no_argument, NULL, allyesconfig},
457 {"allmodconfig", no_argument, NULL, allmodconfig},
Sam Ravnborg0748cb32010-07-31 23:35:31 +0200458 {"alldefconfig", no_argument, NULL, alldefconfig},
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200459 {"randconfig", no_argument, NULL, randconfig},
Sam Ravnborg861b4ea2010-07-31 23:35:28 +0200460 {"listnewconfig", no_argument, NULL, listnewconfig},
Adam Leefb16d892012-09-01 01:05:17 +0800461 {"olddefconfig", no_argument, NULL, olddefconfig},
462 /*
463 * oldnoconfig is an alias of olddefconfig, because people already
464 * are dependent on its behavior(sets new symbols to their default
465 * value but not 'n') with the counter-intuitive name.
466 */
467 {"oldnoconfig", no_argument, NULL, olddefconfig},
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200468 {NULL, 0, NULL, 0}
469};
470
Arnaud Lacombe32543992010-11-02 00:26:33 -0400471static void conf_usage(const char *progname)
472{
473
474 printf("Usage: %s [option] <kconfig-file>\n", progname);
475 printf("[option] is _one_ of the following:\n");
476 printf(" --listnewconfig List new options\n");
477 printf(" --oldaskconfig Start a new configuration using a line-oriented program\n");
478 printf(" --oldconfig Update a configuration using a provided .config as base\n");
479 printf(" --silentoldconfig Same as oldconfig, but quietly, additionally update deps\n");
Adam Leefb16d892012-09-01 01:05:17 +0800480 printf(" --olddefconfig Same as silentoldconfig but sets new symbols to their default value\n");
481 printf(" --oldnoconfig An alias of olddefconfig\n");
Arnaud Lacombe32543992010-11-02 00:26:33 -0400482 printf(" --defconfig <file> New config with default defined in <file>\n");
483 printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n");
484 printf(" --allnoconfig New config where all options are answered with no\n");
485 printf(" --allyesconfig New config where all options are answered with yes\n");
486 printf(" --allmodconfig New config where all options are answered with mod\n");
487 printf(" --alldefconfig New config with all symbols set to default\n");
488 printf(" --randconfig New config with random answer to all options\n");
489}
490
Linus Torvalds1da177e2005-04-16 15:20:36 -0700491int main(int ac, char **av)
492{
Arnaud Lacombe32543992010-11-02 00:26:33 -0400493 const char *progname = av[0];
Andres Salomon2f4b4892007-12-17 01:34:58 -0500494 int opt;
Arnaud Lacombe275744c2010-10-13 20:43:28 -0400495 const char *name, *defconfig_file = NULL /* gcc uninit */;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700496 struct stat tmpstat;
497
EGRY Gabor534a4502008-01-11 23:44:39 +0100498 setlocale(LC_ALL, "");
499 bindtextdomain(PACKAGE, LOCALEDIR);
500 textdomain(PACKAGE);
501
Ben Hutchings62dc9892013-02-19 02:24:26 +0200502 tty_stdio = isatty(0) && isatty(1) && isatty(2);
503
Arnaud Lacombec94d3fb2010-08-23 12:01:24 -0400504 while ((opt = getopt_long(ac, av, "", long_opts, NULL)) != -1) {
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200505 input_mode = (enum input_mode)opt;
Andres Salomon2f4b4892007-12-17 01:34:58 -0500506 switch (opt) {
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200507 case silentoldconfig:
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200508 sync_kconfig = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700509 break;
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200510 case defconfig:
Sam Ravnborg7cf3d732010-07-31 23:35:34 +0200511 case savedefconfig:
Andres Salomon2f4b4892007-12-17 01:34:58 -0500512 defconfig_file = optarg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700513 break;
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200514 case randconfig:
Ingo Molnarb0fe5512009-03-12 15:15:31 +0100515 {
516 struct timeval now;
517 unsigned int seed;
Yann E. MORIN0d8024c2013-04-13 22:49:13 +0200518 char *seed_env;
Ingo Molnarb0fe5512009-03-12 15:15:31 +0100519
520 /*
521 * Use microseconds derived seed,
522 * compensate for systems where it may be zero
523 */
524 gettimeofday(&now, NULL);
Ingo Molnarb0fe5512009-03-12 15:15:31 +0100525 seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
Yann E. MORIN0d8024c2013-04-13 22:49:13 +0200526
527 seed_env = getenv("KCONFIG_SEED");
528 if( seed_env && *seed_env ) {
529 char *endp;
530 int tmp = (int)strtol(seed_env, &endp, 10);
531 if (*endp == '\0') {
532 seed = tmp;
533 }
534 }
Ingo Molnarb0fe5512009-03-12 15:15:31 +0100535 srand(seed);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700536 break;
Ingo Molnarb0fe5512009-03-12 15:15:31 +0100537 }
Arnaud Lacombe32543992010-11-02 00:26:33 -0400538 case oldaskconfig:
539 case oldconfig:
540 case allnoconfig:
541 case allyesconfig:
542 case allmodconfig:
543 case alldefconfig:
544 case listnewconfig:
Adam Leefb16d892012-09-01 01:05:17 +0800545 case olddefconfig:
Arnaud Lacombe32543992010-11-02 00:26:33 -0400546 break;
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200547 case '?':
Arnaud Lacombe32543992010-11-02 00:26:33 -0400548 conf_usage(progname);
Andres Salomon2f4b4892007-12-17 01:34:58 -0500549 exit(1);
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200550 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700551 }
552 }
Andres Salomon2f4b4892007-12-17 01:34:58 -0500553 if (ac == optind) {
Arnaldo Carvalho de Melo3b9fa092005-05-05 15:09:46 -0700554 printf(_("%s: Kconfig file missing\n"), av[0]);
Arnaud Lacombe32543992010-11-02 00:26:33 -0400555 conf_usage(progname);
Randy Dunlap250725a2006-06-08 22:12:50 -0700556 exit(1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700557 }
Andres Salomon2f4b4892007-12-17 01:34:58 -0500558 name = av[optind];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700559 conf_parse(name);
560 //zconfdump(stdout);
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200561 if (sync_kconfig) {
Markus Heidelberg284026c2009-05-18 01:36:53 +0200562 name = conf_get_configname();
563 if (stat(name, &tmpstat)) {
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200564 fprintf(stderr, _("***\n"
Arnaud Lacombe652cf982010-08-14 23:51:40 -0400565 "*** Configuration file \"%s\" not found!\n"
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200566 "***\n"
567 "*** Please run some configurator (e.g. \"make oldconfig\" or\n"
568 "*** \"make menuconfig\" or \"make xconfig\").\n"
Markus Heidelberg284026c2009-05-18 01:36:53 +0200569 "***\n"), name);
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200570 exit(1);
571 }
572 }
573
Linus Torvalds1da177e2005-04-16 15:20:36 -0700574 switch (input_mode) {
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200575 case defconfig:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700576 if (!defconfig_file)
577 defconfig_file = conf_get_default_confname();
578 if (conf_read(defconfig_file)) {
EGRY Gabor534a4502008-01-11 23:44:39 +0100579 printf(_("***\n"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700580 "*** Can't find default configuration \"%s\"!\n"
EGRY Gabor534a4502008-01-11 23:44:39 +0100581 "***\n"), defconfig_file);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700582 exit(1);
583 }
584 break;
Sam Ravnborg7cf3d732010-07-31 23:35:34 +0200585 case savedefconfig:
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200586 case silentoldconfig:
587 case oldaskconfig:
588 case oldconfig:
Sam Ravnborg861b4ea2010-07-31 23:35:28 +0200589 case listnewconfig:
Adam Leefb16d892012-09-01 01:05:17 +0800590 case olddefconfig:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700591 conf_read(NULL);
592 break;
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200593 case allnoconfig:
594 case allyesconfig:
595 case allmodconfig:
Sam Ravnborg0748cb32010-07-31 23:35:31 +0200596 case alldefconfig:
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200597 case randconfig:
Roman Zippel90389162005-11-08 21:34:49 -0800598 name = getenv("KCONFIG_ALLCONFIG");
Eric W. Biederman9f420bf2012-05-07 05:37:45 -0700599 if (!name)
600 break;
601 if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) {
Eric W. Biederman5efe2412012-04-26 01:51:32 -0700602 if (conf_read_simple(name, S_DEF_USER)) {
603 fprintf(stderr,
604 _("*** Can't read seed configuration \"%s\"!\n"),
605 name);
606 exit(1);
607 }
Roman Zippel90389162005-11-08 21:34:49 -0800608 break;
609 }
610 switch (input_mode) {
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200611 case allnoconfig: name = "allno.config"; break;
612 case allyesconfig: name = "allyes.config"; break;
613 case allmodconfig: name = "allmod.config"; break;
Sam Ravnborg0748cb32010-07-31 23:35:31 +0200614 case alldefconfig: name = "alldef.config"; break;
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200615 case randconfig: name = "allrandom.config"; break;
Roman Zippel90389162005-11-08 21:34:49 -0800616 default: break;
617 }
Eric W. Biederman5efe2412012-04-26 01:51:32 -0700618 if (conf_read_simple(name, S_DEF_USER) &&
619 conf_read_simple("all.config", S_DEF_USER)) {
620 fprintf(stderr,
621 _("*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n"),
622 name);
623 exit(1);
624 }
Roman Zippel90389162005-11-08 21:34:49 -0800625 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700626 default:
627 break;
628 }
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200629
630 if (sync_kconfig) {
631 if (conf_get_changed()) {
632 name = getenv("KCONFIG_NOSILENTUPDATE");
633 if (name && *name) {
634 fprintf(stderr,
Arnaud Lacombe652cf982010-08-14 23:51:40 -0400635 _("\n*** The configuration requires explicit update.\n\n"));
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200636 return 1;
637 }
638 }
Ben Hutchings62dc9892013-02-19 02:24:26 +0200639 valid_stdin = tty_stdio;
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200640 }
641
Sam Ravnborgf443d2e2008-06-30 22:45:38 +0200642 switch (input_mode) {
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200643 case allnoconfig:
Sam Ravnborgf443d2e2008-06-30 22:45:38 +0200644 conf_set_all_new_symbols(def_no);
645 break;
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200646 case allyesconfig:
Sam Ravnborgf443d2e2008-06-30 22:45:38 +0200647 conf_set_all_new_symbols(def_yes);
648 break;
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200649 case allmodconfig:
Sam Ravnborgf443d2e2008-06-30 22:45:38 +0200650 conf_set_all_new_symbols(def_mod);
651 break;
Sam Ravnborg0748cb32010-07-31 23:35:31 +0200652 case alldefconfig:
653 conf_set_all_new_symbols(def_default);
654 break;
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200655 case randconfig:
Sam Ravnborgf443d2e2008-06-30 22:45:38 +0200656 conf_set_all_new_symbols(def_random);
657 break;
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200658 case defconfig:
Sam Ravnborg09748e12008-06-30 23:02:59 +0200659 conf_set_all_new_symbols(def_default);
660 break;
Sam Ravnborg7cf3d732010-07-31 23:35:34 +0200661 case savedefconfig:
662 break;
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200663 case oldaskconfig:
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200664 rootEntry = &rootmenu;
665 conf(&rootmenu);
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200666 input_mode = silentoldconfig;
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200667 /* fall through */
Sam Ravnborg14828342010-08-06 07:13:54 +0200668 case oldconfig:
Sam Ravnborg861b4ea2010-07-31 23:35:28 +0200669 case listnewconfig:
Adam Leefb16d892012-09-01 01:05:17 +0800670 case olddefconfig:
Sam Ravnborg4062f1a2010-07-31 23:35:26 +0200671 case silentoldconfig:
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200672 /* Update until a loop caused no more changes */
673 do {
674 conf_cnt = 0;
675 check_conf(&rootmenu);
Aristeu Rozanskif0778c82010-05-06 12:48:34 -0400676 } while (conf_cnt &&
Sam Ravnborg861b4ea2010-07-31 23:35:28 +0200677 (input_mode != listnewconfig &&
Adam Leefb16d892012-09-01 01:05:17 +0800678 input_mode != olddefconfig));
Sam Ravnborgf443d2e2008-06-30 22:45:38 +0200679 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700680 }
Sam Ravnborgf443d2e2008-06-30 22:45:38 +0200681
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200682 if (sync_kconfig) {
683 /* silentoldconfig is used during the build so we shall update autoconf.
684 * All other commands are only used to generate a config.
685 */
686 if (conf_get_changed() && conf_write(NULL)) {
Arnaud Lacombe652cf982010-08-14 23:51:40 -0400687 fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200688 exit(1);
689 }
690 if (conf_write_autoconf()) {
Arnaud Lacombe652cf982010-08-14 23:51:40 -0400691 fprintf(stderr, _("\n*** Error during update of the configuration.\n\n"));
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200692 return 1;
693 }
Sam Ravnborg7cf3d732010-07-31 23:35:34 +0200694 } else if (input_mode == savedefconfig) {
695 if (conf_write_defconfig(defconfig_file)) {
696 fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"),
697 defconfig_file);
698 return 1;
699 }
Sam Ravnborg861b4ea2010-07-31 23:35:28 +0200700 } else if (input_mode != listnewconfig) {
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200701 if (conf_write(NULL)) {
Arnaud Lacombe652cf982010-08-14 23:51:40 -0400702 fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
zippel@linux-m68k.org204c96f2008-09-29 05:27:10 +0200703 exit(1);
704 }
Roman Zippelc955cca2006-06-08 22:12:39 -0700705 }
Sam Ravnborg861b4ea2010-07-31 23:35:28 +0200706 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700707}
Arnaud Lacombeab63f582011-07-02 00:59:41 -0400708
Jean Sacren4418a2b2010-08-04 16:03:16 -0600709/*
710 * Helper function to facilitate fgets() by Jean Sacren.
711 */
Arnaud Lacombeab63f582011-07-02 00:59:41 -0400712void xfgets(char *str, int size, FILE *in)
Jean Sacren4418a2b2010-08-04 16:03:16 -0600713{
714 if (fgets(str, size, in) == NULL)
715 fprintf(stderr, "\nError in reading or end of file.\n");
716}