blob: 4fb590247f330bb75215fe88eb749d42da8b489e [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 <stdlib.h>
7#include <string.h>
8
9#define LKC_DIRECT_LINK
10#include "lkc.h"
11
Cheng Renquan6bd59992009-07-12 16:11:44 +080012static const char nohelp_text[] = N_(
13 "There is no help available for this kernel option.\n");
14
Linus Torvalds1da177e2005-04-16 15:20:36 -070015struct menu rootmenu;
16static struct menu **last_entry_ptr;
17
18struct file *file_list;
19struct file *current_file;
20
Roman Zippel93449082008-01-14 04:50:54 +010021void menu_warn(struct menu *menu, const char *fmt, ...)
Linus Torvalds1da177e2005-04-16 15:20:36 -070022{
23 va_list ap;
24 va_start(ap, fmt);
25 fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno);
26 vfprintf(stderr, fmt, ap);
27 fprintf(stderr, "\n");
28 va_end(ap);
29}
30
31static void prop_warn(struct property *prop, const char *fmt, ...)
32{
33 va_list ap;
34 va_start(ap, fmt);
35 fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno);
36 vfprintf(stderr, fmt, ap);
37 fprintf(stderr, "\n");
38 va_end(ap);
39}
40
nir.tzachar@gmail.com692d97c2009-11-25 12:28:43 +020041void _menu_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -070042{
43 current_entry = current_menu = &rootmenu;
44 last_entry_ptr = &rootmenu.list;
45}
46
47void menu_add_entry(struct symbol *sym)
48{
49 struct menu *menu;
50
51 menu = malloc(sizeof(*menu));
52 memset(menu, 0, sizeof(*menu));
53 menu->sym = sym;
54 menu->parent = current_menu;
55 menu->file = current_file;
56 menu->lineno = zconf_lineno();
57
58 *last_entry_ptr = menu;
59 last_entry_ptr = &menu->next;
60 current_entry = menu;
Sam Ravnborg59e89e32010-07-31 23:35:29 +020061 if (sym)
62 menu_add_symbol(P_SYMBOL, sym, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -070063}
64
65void menu_end_entry(void)
66{
67}
68
Roman Zippela02f0572005-11-08 21:34:53 -080069struct menu *menu_add_menu(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -070070{
Roman Zippela02f0572005-11-08 21:34:53 -080071 menu_end_entry();
Linus Torvalds1da177e2005-04-16 15:20:36 -070072 last_entry_ptr = &current_entry->list;
Roman Zippela02f0572005-11-08 21:34:53 -080073 return current_menu = current_entry;
Linus Torvalds1da177e2005-04-16 15:20:36 -070074}
75
76void menu_end_menu(void)
77{
78 last_entry_ptr = &current_menu->next;
79 current_menu = current_menu->parent;
80}
81
Trevor Keith4356f482009-09-18 12:49:23 -070082static struct expr *menu_check_dep(struct expr *e)
Linus Torvalds1da177e2005-04-16 15:20:36 -070083{
84 if (!e)
85 return e;
86
87 switch (e->type) {
88 case E_NOT:
89 e->left.expr = menu_check_dep(e->left.expr);
90 break;
91 case E_OR:
92 case E_AND:
93 e->left.expr = menu_check_dep(e->left.expr);
94 e->right.expr = menu_check_dep(e->right.expr);
95 break;
96 case E_SYMBOL:
97 /* change 'm' into 'm' && MODULES */
98 if (e->left.sym == &symbol_mod)
99 return expr_alloc_and(e, expr_alloc_symbol(modules_sym));
100 break;
101 default:
102 break;
103 }
104 return e;
105}
106
107void menu_add_dep(struct expr *dep)
108{
109 current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(dep));
Catalin Marinas246cf9c2010-06-08 17:25:57 +0100110 current_entry->dir_dep = current_entry->dep;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111}
112
113void menu_set_type(int type)
114{
115 struct symbol *sym = current_entry->sym;
116
117 if (sym->type == type)
118 return;
119 if (sym->type == S_UNKNOWN) {
120 sym->type = type;
121 return;
122 }
Roman Zippelf001f7f2006-06-08 22:12:48 -0700123 menu_warn(current_entry, "type of '%s' redefined from '%s' to '%s'",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124 sym->name ? sym->name : "<choice>",
125 sym_type_name(sym->type), sym_type_name(type));
126}
127
128struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep)
129{
130 struct property *prop = prop_alloc(type, current_entry->sym);
131
132 prop->menu = current_entry;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700133 prop->expr = expr;
134 prop->visible.expr = menu_check_dep(dep);
135
136 if (prompt) {
Roman Zippelf001f7f2006-06-08 22:12:48 -0700137 if (isspace(*prompt)) {
138 prop_warn(prop, "leading whitespace ignored");
139 while (isspace(*prompt))
140 prompt++;
141 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142 if (current_entry->prompt)
Roman Zippelf001f7f2006-06-08 22:12:48 -0700143 prop_warn(prop, "prompt redefined");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144 current_entry->prompt = prop;
145 }
Roman Zippelf001f7f2006-06-08 22:12:48 -0700146 prop->text = prompt;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147
148 return prop;
149}
150
blaisorblade@yahoo.itfb7f6ff2005-07-28 17:56:25 +0200151struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152{
blaisorblade@yahoo.itfb7f6ff2005-07-28 17:56:25 +0200153 return menu_add_prop(type, prompt, NULL, dep);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154}
155
156void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
157{
158 menu_add_prop(type, NULL, expr, dep);
159}
160
161void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
162{
163 menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
164}
165
Roman Zippelf6a88aa2006-06-08 22:12:44 -0700166void menu_add_option(int token, char *arg)
167{
Roman Zippelface4372006-06-08 22:12:45 -0700168 struct property *prop;
169
170 switch (token) {
171 case T_OPT_MODULES:
172 prop = prop_alloc(P_DEFAULT, modules_sym);
173 prop->expr = expr_alloc_symbol(current_entry->sym);
174 break;
175 case T_OPT_DEFCONFIG_LIST:
176 if (!sym_defconfig_list)
177 sym_defconfig_list = current_entry->sym;
178 else if (sym_defconfig_list != current_entry->sym)
179 zconf_error("trying to redefine defconfig symbol");
180 break;
Roman Zippel93449082008-01-14 04:50:54 +0100181 case T_OPT_ENV:
182 prop_add_env(arg);
183 break;
Roman Zippelface4372006-06-08 22:12:45 -0700184 }
Roman Zippelf6a88aa2006-06-08 22:12:44 -0700185}
186
Roman Zippel4cf3cbe2005-11-08 21:34:49 -0800187static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2)
188{
189 return sym2->type == S_INT || sym2->type == S_HEX ||
190 (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
191}
192
Trevor Keith4356f482009-09-18 12:49:23 -0700193static void sym_check_prop(struct symbol *sym)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194{
195 struct property *prop;
196 struct symbol *sym2;
197 for (prop = sym->prop; prop; prop = prop->next) {
198 switch (prop->type) {
199 case P_DEFAULT:
200 if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
201 prop->expr->type != E_SYMBOL)
202 prop_warn(prop,
Li Zefan4280eae2010-04-14 11:44:05 +0800203 "default for config symbol '%s'"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700204 " must be a single symbol", sym->name);
205 break;
206 case P_SELECT:
207 sym2 = prop_get_symbol(prop);
208 if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
209 prop_warn(prop,
210 "config symbol '%s' uses select, but is "
211 "not boolean or tristate", sym->name);
Sam Ravnborg603d4982008-02-02 21:09:57 +0100212 else if (sym2->type != S_UNKNOWN &&
213 sym2->type != S_BOOLEAN &&
214 sym2->type != S_TRISTATE)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215 prop_warn(prop,
216 "'%s' has wrong type. 'select' only "
217 "accept arguments of boolean and "
218 "tristate type", sym2->name);
219 break;
220 case P_RANGE:
221 if (sym->type != S_INT && sym->type != S_HEX)
222 prop_warn(prop, "range is only allowed "
223 "for int or hex symbols");
Roman Zippel4cf3cbe2005-11-08 21:34:49 -0800224 if (!menu_range_valid_sym(sym, prop->expr->left.sym) ||
225 !menu_range_valid_sym(sym, prop->expr->right.sym))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700226 prop_warn(prop, "range is invalid");
227 break;
228 default:
229 ;
230 }
231 }
232}
233
234void menu_finalize(struct menu *parent)
235{
236 struct menu *menu, *last_menu;
237 struct symbol *sym;
238 struct property *prop;
239 struct expr *parentdep, *basedep, *dep, *dep2, **ep;
240
241 sym = parent->sym;
242 if (parent->list) {
243 if (sym && sym_is_choice(sym)) {
Roman Zippel5a1aa8a2008-02-29 05:11:50 +0100244 if (sym->type == S_UNKNOWN) {
245 /* find the first choice value to find out choice type */
246 current_entry = parent;
247 for (menu = parent->list; menu; menu = menu->next) {
248 if (menu->sym && menu->sym->type != S_UNKNOWN) {
Jan Beulichf5eaa322008-01-24 11:54:23 +0000249 menu_set_type(menu->sym->type);
Roman Zippel5a1aa8a2008-02-29 05:11:50 +0100250 break;
251 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700252 }
253 }
Roman Zippel5a1aa8a2008-02-29 05:11:50 +0100254 /* set the type of the remaining choice values */
255 for (menu = parent->list; menu; menu = menu->next) {
256 current_entry = menu;
257 if (menu->sym && menu->sym->type == S_UNKNOWN)
258 menu_set_type(sym->type);
259 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700260 parentdep = expr_alloc_symbol(sym);
261 } else if (parent->prompt)
262 parentdep = parent->prompt->visible.expr;
263 else
264 parentdep = parent->dep;
265
266 for (menu = parent->list; menu; menu = menu->next) {
267 basedep = expr_transform(menu->dep);
Linus Torvaldse8b8c972007-10-19 21:25:45 -0700268 basedep = expr_alloc_and(expr_copy(parentdep), basedep);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700269 basedep = expr_eliminate_dups(basedep);
270 menu->dep = basedep;
271 if (menu->sym)
272 prop = menu->sym->prop;
273 else
274 prop = menu->prompt;
275 for (; prop; prop = prop->next) {
276 if (prop->menu != menu)
277 continue;
278 dep = expr_transform(prop->visible.expr);
279 dep = expr_alloc_and(expr_copy(basedep), dep);
280 dep = expr_eliminate_dups(dep);
281 if (menu->sym && menu->sym->type != S_TRISTATE)
282 dep = expr_trans_bool(dep);
283 prop->visible.expr = dep;
284 if (prop->type == P_SELECT) {
285 struct symbol *es = prop_get_symbol(prop);
286 es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
287 expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
288 }
289 }
290 }
291 for (menu = parent->list; menu; menu = menu->next)
292 menu_finalize(menu);
293 } else if (sym) {
Catalin Marinas246cf9c2010-06-08 17:25:57 +0100294 /* ignore inherited dependencies for dir_dep */
295 sym->dir_dep.expr = expr_transform(expr_copy(parent->dir_dep));
296 sym->dir_dep.expr = expr_eliminate_dups(sym->dir_dep.expr);
297
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298 basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
299 basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
300 basedep = expr_eliminate_dups(expr_transform(basedep));
301 last_menu = NULL;
302 for (menu = parent->next; menu; menu = menu->next) {
303 dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
304 if (!expr_contains_symbol(dep, sym))
305 break;
306 if (expr_depends_symbol(dep, sym))
307 goto next;
308 dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
309 dep = expr_eliminate_dups(expr_transform(dep));
310 dep2 = expr_copy(basedep);
311 expr_eliminate_eq(&dep, &dep2);
312 expr_free(dep);
313 if (!expr_is_yes(dep2)) {
314 expr_free(dep2);
315 break;
316 }
317 expr_free(dep2);
318 next:
319 menu_finalize(menu);
320 menu->parent = parent;
321 last_menu = menu;
322 }
323 if (last_menu) {
324 parent->list = parent->next;
325 parent->next = last_menu->next;
326 last_menu->next = NULL;
327 }
328 }
329 for (menu = parent->list; menu; menu = menu->next) {
Roman Zippel5a1aa8a2008-02-29 05:11:50 +0100330 if (sym && sym_is_choice(sym) &&
331 menu->sym && !sym_is_choice_value(menu->sym)) {
332 current_entry = menu;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333 menu->sym->flags |= SYMBOL_CHOICEVAL;
334 if (!menu->prompt)
335 menu_warn(menu, "choice value must have a prompt");
336 for (prop = menu->sym->prop; prop; prop = prop->next) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700337 if (prop->type == P_DEFAULT)
338 prop_warn(prop, "defaults for choice "
Roman Zippel5a1aa8a2008-02-29 05:11:50 +0100339 "values not supported");
340 if (prop->menu == menu)
341 continue;
342 if (prop->type == P_PROMPT &&
343 prop->menu->parent->sym != sym)
344 prop_warn(prop, "choice value used outside its choice group");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700345 }
Jan Beulichf5eaa322008-01-24 11:54:23 +0000346 /* Non-tristate choice values of tristate choices must
347 * depend on the choice being set to Y. The choice
348 * values' dependencies were propagated to their
349 * properties above, so the change here must be re-
Roman Zippel5a1aa8a2008-02-29 05:11:50 +0100350 * propagated.
351 */
Jan Beulichf5eaa322008-01-24 11:54:23 +0000352 if (sym->type == S_TRISTATE && menu->sym->type != S_TRISTATE) {
353 basedep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes);
Roman Zippel5a1aa8a2008-02-29 05:11:50 +0100354 menu->dep = expr_alloc_and(basedep, menu->dep);
Jan Beulichf5eaa322008-01-24 11:54:23 +0000355 for (prop = menu->sym->prop; prop; prop = prop->next) {
356 if (prop->menu != menu)
357 continue;
Roman Zippel5a1aa8a2008-02-29 05:11:50 +0100358 prop->visible.expr = expr_alloc_and(expr_copy(basedep),
359 prop->visible.expr);
Jan Beulichf5eaa322008-01-24 11:54:23 +0000360 }
361 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700362 menu_add_symbol(P_CHOICE, sym, NULL);
363 prop = sym_get_choice_prop(sym);
364 for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
365 ;
Roman Zippel7a962922008-01-14 04:50:23 +0100366 *ep = expr_alloc_one(E_LIST, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367 (*ep)->right.sym = menu->sym;
368 }
369 if (menu->list && (!menu->prompt || !menu->prompt->text)) {
370 for (last_menu = menu->list; ; last_menu = last_menu->next) {
371 last_menu->parent = parent;
372 if (!last_menu->next)
373 break;
374 }
375 last_menu->next = menu->next;
376 menu->next = menu->list;
377 menu->list = NULL;
378 }
379 }
380
381 if (sym && !(sym->flags & SYMBOL_WARNED)) {
382 if (sym->type == S_UNKNOWN)
Roman Zippelf001f7f2006-06-08 22:12:48 -0700383 menu_warn(parent, "config symbol defined without type");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700384
385 if (sym_is_choice(sym) && !parent->prompt)
Roman Zippelf001f7f2006-06-08 22:12:48 -0700386 menu_warn(parent, "choice must have a prompt");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387
388 /* Check properties connected to this symbol */
389 sym_check_prop(sym);
390 sym->flags |= SYMBOL_WARNED;
391 }
392
393 if (sym && !sym_is_optional(sym) && parent->prompt) {
394 sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
395 expr_alloc_and(parent->prompt->visible.expr,
396 expr_alloc_symbol(&symbol_mod)));
397 }
398}
399
Li Zefan22c7eca2010-04-14 11:46:02 +0800400bool menu_has_prompt(struct menu *menu)
401{
402 if (!menu->prompt)
403 return false;
404 return true;
405}
406
Linus Torvalds1da177e2005-04-16 15:20:36 -0700407bool menu_is_visible(struct menu *menu)
408{
409 struct menu *child;
410 struct symbol *sym;
411 tristate visible;
412
413 if (!menu->prompt)
414 return false;
Li Zefan22c7eca2010-04-14 11:46:02 +0800415
Linus Torvalds1da177e2005-04-16 15:20:36 -0700416 sym = menu->sym;
417 if (sym) {
418 sym_calc_value(sym);
419 visible = menu->prompt->visible.tri;
420 } else
421 visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
422
423 if (visible != no)
424 return true;
Li Zefan22c7eca2010-04-14 11:46:02 +0800425
Linus Torvalds1da177e2005-04-16 15:20:36 -0700426 if (!sym || sym_get_tristate_value(menu->sym) == no)
427 return false;
428
Li Zefan3fb9acb2010-05-07 13:57:07 +0800429 for (child = menu->list; child; child = child->next) {
430 if (menu_is_visible(child)) {
431 if (sym)
432 sym->flags |= SYMBOL_DEF_USER;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700433 return true;
Li Zefan3fb9acb2010-05-07 13:57:07 +0800434 }
435 }
Li Zefan22c7eca2010-04-14 11:46:02 +0800436
Linus Torvalds1da177e2005-04-16 15:20:36 -0700437 return false;
438}
439
440const char *menu_get_prompt(struct menu *menu)
441{
442 if (menu->prompt)
EGRY Gabor01771b02008-01-11 23:53:43 +0100443 return menu->prompt->text;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700444 else if (menu->sym)
EGRY Gabor01771b02008-01-11 23:53:43 +0100445 return menu->sym->name;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700446 return NULL;
447}
448
449struct menu *menu_get_root_menu(struct menu *menu)
450{
451 return &rootmenu;
452}
453
454struct menu *menu_get_parent_menu(struct menu *menu)
455{
456 enum prop_type type;
457
458 for (; menu != &rootmenu; menu = menu->parent) {
459 type = menu->prompt ? menu->prompt->type : 0;
460 if (type == P_MENU)
461 break;
462 }
463 return menu;
464}
465
Sam Ravnborg03d29122007-07-21 00:00:36 +0200466bool menu_has_help(struct menu *menu)
467{
468 return menu->help != NULL;
469}
470
471const char *menu_get_help(struct menu *menu)
472{
473 if (menu->help)
474 return menu->help;
475 else
476 return "";
477}
Cheng Renquan6bd59992009-07-12 16:11:44 +0800478
479static void get_prompt_str(struct gstr *r, struct property *prop)
480{
481 int i, j;
482 struct menu *submenu[8], *menu;
483
484 str_printf(r, _("Prompt: %s\n"), _(prop->text));
485 str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name,
486 prop->menu->lineno);
487 if (!expr_is_yes(prop->visible.expr)) {
488 str_append(r, _(" Depends on: "));
489 expr_gstr_print(prop->visible.expr, r);
490 str_append(r, "\n");
491 }
492 menu = prop->menu->parent;
493 for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent)
494 submenu[i++] = menu;
495 if (i > 0) {
496 str_printf(r, _(" Location:\n"));
497 for (j = 4; --i >= 0; j += 2) {
498 menu = submenu[i];
499 str_printf(r, "%*c-> %s", j, ' ', _(menu_get_prompt(menu)));
500 if (menu->sym) {
501 str_printf(r, " (%s [=%s])", menu->sym->name ?
502 menu->sym->name : _("<choice>"),
503 sym_get_string_value(menu->sym));
504 }
505 str_append(r, "\n");
506 }
507 }
508}
509
510void get_symbol_str(struct gstr *r, struct symbol *sym)
511{
512 bool hit;
513 struct property *prop;
514
Li Zefanb040b442010-05-07 13:56:33 +0800515 if (sym && sym->name) {
Cheng Renquan6bd59992009-07-12 16:11:44 +0800516 str_printf(r, "Symbol: %s [=%s]\n", sym->name,
517 sym_get_string_value(sym));
Li Zefanb040b442010-05-07 13:56:33 +0800518 str_printf(r, "Type : %s\n", sym_type_name(sym->type));
Li Zefan70ed0742010-05-07 13:56:50 +0800519 if (sym->type == S_INT || sym->type == S_HEX) {
520 prop = sym_get_range_prop(sym);
521 if (prop) {
522 str_printf(r, "Range : ");
523 expr_gstr_print(prop->expr, r);
524 str_append(r, "\n");
525 }
526 }
Li Zefanb040b442010-05-07 13:56:33 +0800527 }
Cheng Renquan6bd59992009-07-12 16:11:44 +0800528 for_all_prompts(sym, prop)
529 get_prompt_str(r, prop);
530 hit = false;
531 for_all_properties(sym, prop, P_SELECT) {
532 if (!hit) {
533 str_append(r, " Selects: ");
534 hit = true;
535 } else
536 str_printf(r, " && ");
537 expr_gstr_print(prop->expr, r);
538 }
539 if (hit)
540 str_append(r, "\n");
541 if (sym->rev_dep.expr) {
542 str_append(r, _(" Selected by: "));
543 expr_gstr_print(sym->rev_dep.expr, r);
544 str_append(r, "\n");
545 }
546 str_append(r, "\n\n");
547}
548
nir.tzachar@gmail.com692d97c2009-11-25 12:28:43 +0200549struct gstr get_relations_str(struct symbol **sym_arr)
550{
551 struct symbol *sym;
552 struct gstr res = str_new();
553 int i;
554
555 for (i = 0; sym_arr && (sym = sym_arr[i]); i++)
556 get_symbol_str(&res, sym);
557 if (!i)
558 str_append(&res, _("No matches found.\n"));
559 return res;
560}
561
562
Cheng Renquan6bd59992009-07-12 16:11:44 +0800563void menu_get_ext_help(struct menu *menu, struct gstr *help)
564{
565 struct symbol *sym = menu->sym;
566
567 if (menu_has_help(menu)) {
568 if (sym->name) {
569 str_printf(help, "CONFIG_%s:\n\n", sym->name);
570 str_append(help, _(menu_get_help(menu)));
571 str_append(help, "\n");
572 }
573 } else {
574 str_append(help, nohelp_text);
575 }
Cheng Renquan47791052009-07-12 16:11:46 +0800576 if (sym)
577 get_symbol_str(help, sym);
Cheng Renquan6bd59992009-07-12 16:11:44 +0800578}