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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
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> | |
94bedeca | 8 | #include <errno.h> |
2e3646e5 | 9 | #include <fcntl.h> |
10a4b277 | 10 | #include <stdarg.h> |
1da177e4 LT |
11 | #include <stdio.h> |
12 | #include <stdlib.h> | |
13 | #include <string.h> | |
14 | #include <time.h> | |
15 | #include <unistd.h> | |
16 | ||
1da177e4 LT |
17 | #include "lkc.h" |
18 | ||
0608182a MY |
19 | /* return true if 'path' exists, false otherwise */ |
20 | static bool is_present(const char *path) | |
21 | { | |
22 | struct stat st; | |
23 | ||
24 | return !stat(path, &st); | |
25 | } | |
26 | ||
27 | /* return true if 'path' exists and it is a directory, false otherwise */ | |
28 | static bool is_dir(const char *path) | |
29 | { | |
30 | struct stat st; | |
31 | ||
32 | if (stat(path, &st)) | |
33 | return 0; | |
34 | ||
35 | return S_ISDIR(st.st_mode); | |
36 | } | |
37 | ||
38 | /* | |
39 | * Create the parent directory of the given path. | |
40 | * | |
41 | * For example, if 'include/config/auto.conf' is given, create 'include/config'. | |
42 | */ | |
43 | static int make_parent_dir(const char *path) | |
44 | { | |
45 | char tmp[PATH_MAX + 1]; | |
46 | char *p; | |
47 | ||
48 | strncpy(tmp, path, sizeof(tmp)); | |
49 | tmp[sizeof(tmp) - 1] = 0; | |
50 | ||
51 | /* Remove the base name. Just return if nothing is left */ | |
52 | p = strrchr(tmp, '/'); | |
53 | if (!p) | |
54 | return 0; | |
55 | *(p + 1) = 0; | |
56 | ||
57 | /* Just in case it is an absolute path */ | |
58 | p = tmp; | |
59 | while (*p == '/') | |
60 | p++; | |
61 | ||
62 | while ((p = strchr(p, '/'))) { | |
63 | *p = 0; | |
64 | ||
65 | /* skip if the directory exists */ | |
66 | if (!is_dir(tmp) && mkdir(tmp, 0755)) | |
67 | return -1; | |
68 | ||
69 | *p = '/'; | |
70 | while (*p == '/') | |
71 | p++; | |
72 | } | |
73 | ||
74 | return 0; | |
75 | } | |
76 | ||
ad8d40cd MM |
77 | struct conf_printer { |
78 | void (*print_symbol)(FILE *, struct symbol *, const char *, void *); | |
79 | void (*print_comment)(FILE *, const char *, void *); | |
80 | }; | |
81 | ||
c1a0f5e3 RZ |
82 | static void conf_warning(const char *fmt, ...) |
83 | __attribute__ ((format (printf, 1, 2))); | |
84 | ||
42368c37 MM |
85 | static void conf_message(const char *fmt, ...) |
86 | __attribute__ ((format (printf, 1, 2))); | |
87 | ||
c1a0f5e3 | 88 | static const char *conf_filename; |
84dd95d4 | 89 | static int conf_lineno, conf_warnings; |
c1a0f5e3 | 90 | |
104daea1 | 91 | const char conf_defname[] = "arch/$(ARCH)/defconfig"; |
1da177e4 | 92 | |
c1a0f5e3 RZ |
93 | static void conf_warning(const char *fmt, ...) |
94 | { | |
95 | va_list ap; | |
96 | va_start(ap, fmt); | |
97 | fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno); | |
98 | vfprintf(stderr, fmt, ap); | |
99 | fprintf(stderr, "\n"); | |
100 | va_end(ap); | |
101 | conf_warnings++; | |
102 | } | |
103 | ||
5accd7f3 | 104 | static void conf_default_message_callback(const char *s) |
42368c37 MM |
105 | { |
106 | printf("#\n# "); | |
5accd7f3 | 107 | printf("%s", s); |
42368c37 MM |
108 | printf("\n#\n"); |
109 | } | |
110 | ||
5accd7f3 | 111 | static void (*conf_message_callback)(const char *s) = |
42368c37 | 112 | conf_default_message_callback; |
5accd7f3 | 113 | void conf_set_message_callback(void (*fn)(const char *s)) |
42368c37 MM |
114 | { |
115 | conf_message_callback = fn; | |
116 | } | |
117 | ||
118 | static void conf_message(const char *fmt, ...) | |
119 | { | |
120 | va_list ap; | |
5accd7f3 MY |
121 | char buf[4096]; |
122 | ||
123 | if (!conf_message_callback) | |
124 | return; | |
42368c37 MM |
125 | |
126 | va_start(ap, fmt); | |
5accd7f3 MY |
127 | |
128 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
129 | conf_message_callback(buf); | |
b6a2ab2c | 130 | va_end(ap); |
42368c37 MM |
131 | } |
132 | ||
14cdd3c4 RZ |
133 | const char *conf_get_configname(void) |
134 | { | |
135 | char *name = getenv("KCONFIG_CONFIG"); | |
136 | ||
137 | return name ? name : ".config"; | |
138 | } | |
139 | ||
12122f62 MH |
140 | const char *conf_get_autoconfig_name(void) |
141 | { | |
142 | char *name = getenv("KCONFIG_AUTOCONFIG"); | |
143 | ||
144 | return name ? name : "include/config/auto.conf"; | |
145 | } | |
146 | ||
1da177e4 LT |
147 | char *conf_get_default_confname(void) |
148 | { | |
1da177e4 LT |
149 | static char fullname[PATH_MAX+1]; |
150 | char *env, *name; | |
151 | ||
104daea1 | 152 | name = expand_string(conf_defname); |
1da177e4 LT |
153 | env = getenv(SRCTREE); |
154 | if (env) { | |
155 | sprintf(fullname, "%s/%s", env, name); | |
0608182a | 156 | if (is_present(fullname)) |
1da177e4 LT |
157 | return fullname; |
158 | } | |
159 | return name; | |
160 | } | |
161 | ||
9c900a9c SR |
162 | static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p) |
163 | { | |
164 | char *p2; | |
165 | ||
166 | switch (sym->type) { | |
167 | case S_TRISTATE: | |
168 | if (p[0] == 'm') { | |
169 | sym->def[def].tri = mod; | |
170 | sym->flags |= def_flags; | |
171 | break; | |
172 | } | |
d8fc3200 | 173 | /* fall through */ |
9c900a9c SR |
174 | case S_BOOLEAN: |
175 | if (p[0] == 'y') { | |
176 | sym->def[def].tri = yes; | |
177 | sym->flags |= def_flags; | |
178 | break; | |
179 | } | |
180 | if (p[0] == 'n') { | |
181 | sym->def[def].tri = no; | |
182 | sym->flags |= def_flags; | |
183 | break; | |
184 | } | |
04b19b77 YM |
185 | if (def != S_DEF_AUTO) |
186 | conf_warning("symbol value '%s' invalid for %s", | |
187 | p, sym->name); | |
75f1468b | 188 | return 1; |
9c900a9c SR |
189 | case S_OTHER: |
190 | if (*p != '"') { | |
191 | for (p2 = p; *p2 && !isspace(*p2); p2++) | |
192 | ; | |
193 | sym->type = S_STRING; | |
194 | goto done; | |
195 | } | |
d8fc3200 | 196 | /* fall through */ |
9c900a9c SR |
197 | case S_STRING: |
198 | if (*p++ != '"') | |
199 | break; | |
200 | for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) { | |
201 | if (*p2 == '"') { | |
202 | *p2 = 0; | |
203 | break; | |
204 | } | |
205 | memmove(p2, p2 + 1, strlen(p2)); | |
206 | } | |
207 | if (!p2) { | |
04b19b77 YM |
208 | if (def != S_DEF_AUTO) |
209 | conf_warning("invalid string found"); | |
9c900a9c SR |
210 | return 1; |
211 | } | |
d8fc3200 | 212 | /* fall through */ |
9c900a9c SR |
213 | case S_INT: |
214 | case S_HEX: | |
215 | done: | |
216 | if (sym_string_valid(sym, p)) { | |
cd81fc82 | 217 | sym->def[def].val = xstrdup(p); |
9c900a9c SR |
218 | sym->flags |= def_flags; |
219 | } else { | |
04b19b77 YM |
220 | if (def != S_DEF_AUTO) |
221 | conf_warning("symbol value '%s' invalid for %s", | |
222 | p, sym->name); | |
9c900a9c SR |
223 | return 1; |
224 | } | |
225 | break; | |
226 | default: | |
227 | ; | |
228 | } | |
229 | return 0; | |
230 | } | |
231 | ||
1a7a8c6f CS |
232 | #define LINE_GROWTH 16 |
233 | static int add_byte(int c, char **lineptr, size_t slen, size_t *n) | |
234 | { | |
235 | char *nline; | |
236 | size_t new_size = slen + 1; | |
237 | if (new_size > *n) { | |
238 | new_size += LINE_GROWTH - 1; | |
239 | new_size *= 2; | |
d717f24d | 240 | nline = xrealloc(*lineptr, new_size); |
1a7a8c6f CS |
241 | if (!nline) |
242 | return -1; | |
243 | ||
244 | *lineptr = nline; | |
245 | *n = new_size; | |
246 | } | |
247 | ||
248 | (*lineptr)[slen] = c; | |
249 | ||
250 | return 0; | |
251 | } | |
252 | ||
253 | static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream) | |
254 | { | |
255 | char *line = *lineptr; | |
256 | size_t slen = 0; | |
257 | ||
258 | for (;;) { | |
259 | int c = getc(stream); | |
260 | ||
261 | switch (c) { | |
262 | case '\n': | |
263 | if (add_byte(c, &line, slen, n) < 0) | |
264 | goto e_out; | |
265 | slen++; | |
266 | /* fall through */ | |
267 | case EOF: | |
268 | if (add_byte('\0', &line, slen, n) < 0) | |
269 | goto e_out; | |
270 | *lineptr = line; | |
271 | if (slen == 0) | |
272 | return -1; | |
273 | return slen; | |
274 | default: | |
275 | if (add_byte(c, &line, slen, n) < 0) | |
276 | goto e_out; | |
277 | slen++; | |
278 | } | |
279 | } | |
280 | ||
281 | e_out: | |
282 | line[slen-1] = '\0'; | |
283 | *lineptr = line; | |
284 | return -1; | |
285 | } | |
286 | ||
669bfad9 | 287 | int conf_read_simple(const char *name, int def) |
1da177e4 LT |
288 | { |
289 | FILE *in = NULL; | |
1a7a8c6f CS |
290 | char *line = NULL; |
291 | size_t line_asize = 0; | |
1da177e4 | 292 | char *p, *p2; |
1da177e4 | 293 | struct symbol *sym; |
669bfad9 | 294 | int i, def_flags; |
1da177e4 LT |
295 | |
296 | if (name) { | |
297 | in = zconf_fopen(name); | |
298 | } else { | |
face4374 RZ |
299 | struct property *prop; |
300 | ||
14cdd3c4 | 301 | name = conf_get_configname(); |
ddc97cac RZ |
302 | in = zconf_fopen(name); |
303 | if (in) | |
304 | goto load; | |
bfc10001 | 305 | sym_add_change_count(1); |
6b87b70c | 306 | if (!sym_defconfig_list) |
face4374 RZ |
307 | return 1; |
308 | ||
309 | for_all_defaults(sym_defconfig_list, prop) { | |
310 | if (expr_calc_value(prop->visible.expr) == no || | |
311 | prop->expr->type != E_SYMBOL) | |
312 | continue; | |
104daea1 MY |
313 | sym_calc_value(prop->expr->left.sym); |
314 | name = sym_get_string_value(prop->expr->left.sym); | |
1da177e4 LT |
315 | in = zconf_fopen(name); |
316 | if (in) { | |
694c49a7 | 317 | conf_message("using defaults found in %s", |
42368c37 | 318 | name); |
ddc97cac | 319 | goto load; |
1da177e4 LT |
320 | } |
321 | } | |
322 | } | |
1da177e4 LT |
323 | if (!in) |
324 | return 1; | |
325 | ||
ddc97cac | 326 | load: |
c1a0f5e3 RZ |
327 | conf_filename = name; |
328 | conf_lineno = 0; | |
329 | conf_warnings = 0; | |
c1a0f5e3 | 330 | |
669bfad9 | 331 | def_flags = SYMBOL_DEF << def; |
1da177e4 | 332 | for_all_symbols(i, sym) { |
669bfad9 RZ |
333 | sym->flags |= SYMBOL_CHANGED; |
334 | sym->flags &= ~(def_flags|SYMBOL_VALID); | |
490f1617 YM |
335 | if (sym_is_choice(sym)) |
336 | sym->flags |= def_flags; | |
1da177e4 LT |
337 | switch (sym->type) { |
338 | case S_INT: | |
339 | case S_HEX: | |
340 | case S_STRING: | |
669bfad9 RZ |
341 | if (sym->def[def].val) |
342 | free(sym->def[def].val); | |
d8fc3200 | 343 | /* fall through */ |
1da177e4 | 344 | default: |
669bfad9 RZ |
345 | sym->def[def].val = NULL; |
346 | sym->def[def].tri = no; | |
1da177e4 LT |
347 | } |
348 | } | |
349 | ||
1a7a8c6f | 350 | while (compat_getline(&line, &line_asize, in) != -1) { |
c1a0f5e3 | 351 | conf_lineno++; |
1da177e4 | 352 | sym = NULL; |
8baefd30 | 353 | if (line[0] == '#') { |
ffb5957b | 354 | if (memcmp(line + 2, CONFIG_, strlen(CONFIG_))) |
1da177e4 | 355 | continue; |
ffb5957b | 356 | p = strchr(line + 2 + strlen(CONFIG_), ' '); |
1da177e4 LT |
357 | if (!p) |
358 | continue; | |
359 | *p++ = 0; | |
360 | if (strncmp(p, "is not set", 10)) | |
361 | continue; | |
669bfad9 | 362 | if (def == S_DEF_USER) { |
ffb5957b | 363 | sym = sym_find(line + 2 + strlen(CONFIG_)); |
661b0680 | 364 | if (!sym) { |
365 | sym_add_change_count(1); | |
8bea7548 | 366 | goto setsym; |
661b0680 | 367 | } |
669bfad9 | 368 | } else { |
ffb5957b | 369 | sym = sym_lookup(line + 2 + strlen(CONFIG_), 0); |
669bfad9 RZ |
370 | if (sym->type == S_UNKNOWN) |
371 | sym->type = S_BOOLEAN; | |
372 | } | |
373 | if (sym->flags & def_flags) { | |
d84876f9 | 374 | conf_warning("override: reassigning to symbol %s", sym->name); |
1da177e4 LT |
375 | } |
376 | switch (sym->type) { | |
377 | case S_BOOLEAN: | |
378 | case S_TRISTATE: | |
669bfad9 RZ |
379 | sym->def[def].tri = no; |
380 | sym->flags |= def_flags; | |
1da177e4 LT |
381 | break; |
382 | default: | |
383 | ; | |
384 | } | |
ffb5957b AL |
385 | } else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) { |
386 | p = strchr(line + strlen(CONFIG_), '='); | |
1da177e4 LT |
387 | if (!p) |
388 | continue; | |
389 | *p++ = 0; | |
390 | p2 = strchr(p, '\n'); | |
d3660a8c MW |
391 | if (p2) { |
392 | *p2-- = 0; | |
393 | if (*p2 == '\r') | |
394 | *p2 = 0; | |
395 | } | |
669bfad9 | 396 | if (def == S_DEF_USER) { |
ffb5957b | 397 | sym = sym_find(line + strlen(CONFIG_)); |
661b0680 | 398 | if (!sym) { |
399 | sym_add_change_count(1); | |
8bea7548 | 400 | goto setsym; |
661b0680 | 401 | } |
669bfad9 | 402 | } else { |
ffb5957b | 403 | sym = sym_lookup(line + strlen(CONFIG_), 0); |
669bfad9 RZ |
404 | if (sym->type == S_UNKNOWN) |
405 | sym->type = S_OTHER; | |
406 | } | |
407 | if (sym->flags & def_flags) { | |
d84876f9 | 408 | conf_warning("override: reassigning to symbol %s", sym->name); |
1da177e4 | 409 | } |
9c900a9c SR |
410 | if (conf_set_sym_val(sym, def, def_flags, p)) |
411 | continue; | |
8baefd30 AL |
412 | } else { |
413 | if (line[0] != '\r' && line[0] != '\n') | |
a4663911 PB |
414 | conf_warning("unexpected data: %.*s", |
415 | (int)strcspn(line, "\r\n"), line); | |
416 | ||
1da177e4 LT |
417 | continue; |
418 | } | |
8bea7548 | 419 | setsym: |
1da177e4 LT |
420 | if (sym && sym_is_choice_value(sym)) { |
421 | struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); | |
669bfad9 | 422 | switch (sym->def[def].tri) { |
1da177e4 LT |
423 | case no: |
424 | break; | |
425 | case mod: | |
669bfad9 | 426 | if (cs->def[def].tri == yes) { |
c1a0f5e3 | 427 | conf_warning("%s creates inconsistent choice state", sym->name); |
490f1617 | 428 | cs->flags &= ~def_flags; |
c1a0f5e3 | 429 | } |
1da177e4 LT |
430 | break; |
431 | case yes: | |
d84876f9 JE |
432 | if (cs->def[def].tri != no) |
433 | conf_warning("override: %s changes choice state", sym->name); | |
434 | cs->def[def].val = sym; | |
1da177e4 LT |
435 | break; |
436 | } | |
d6ee3576 | 437 | cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri); |
1da177e4 LT |
438 | } |
439 | } | |
1a7a8c6f | 440 | free(line); |
1da177e4 | 441 | fclose(in); |
90389160 RZ |
442 | return 0; |
443 | } | |
444 | ||
445 | int conf_read(const char *name) | |
446 | { | |
5d09598d | 447 | struct symbol *sym; |
84dd95d4 | 448 | int conf_unsaved = 0; |
5d09598d | 449 | int i; |
90389160 | 450 | |
bfc10001 | 451 | sym_set_change_count(0); |
ddc97cac | 452 | |
6b87b70c AV |
453 | if (conf_read_simple(name, S_DEF_USER)) { |
454 | sym_calc_value(modules_sym); | |
90389160 | 455 | return 1; |
6b87b70c AV |
456 | } |
457 | ||
458 | sym_calc_value(modules_sym); | |
90389160 | 459 | |
1da177e4 LT |
460 | for_all_symbols(i, sym) { |
461 | sym_calc_value(sym); | |
693359f7 | 462 | if (sym_is_choice(sym) || (sym->flags & SYMBOL_NO_WRITE)) |
5d09598d | 463 | continue; |
c1a0f5e3 RZ |
464 | if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) { |
465 | /* check that calculated value agrees with saved value */ | |
466 | switch (sym->type) { | |
467 | case S_BOOLEAN: | |
468 | case S_TRISTATE: | |
0c1822e6 | 469 | if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym)) |
c1a0f5e3 RZ |
470 | break; |
471 | if (!sym_is_choice(sym)) | |
5d09598d | 472 | continue; |
d8fc3200 | 473 | /* fall through */ |
c1a0f5e3 | 474 | default: |
0c1822e6 | 475 | if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val)) |
5d09598d | 476 | continue; |
c1a0f5e3 RZ |
477 | break; |
478 | } | |
479 | } else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE)) | |
480 | /* no previous value and not saved */ | |
5d09598d | 481 | continue; |
c1a0f5e3 RZ |
482 | conf_unsaved++; |
483 | /* maybe print value in verbose mode... */ | |
d8982ba1 RZ |
484 | } |
485 | ||
486 | for_all_symbols(i, sym) { | |
1da177e4 | 487 | if (sym_has_value(sym) && !sym_is_choice_value(sym)) { |
d8982ba1 RZ |
488 | /* Reset values of generates values, so they'll appear |
489 | * as new, if they should become visible, but that | |
490 | * doesn't quite work if the Kconfig and the saved | |
491 | * configuration disagree. | |
492 | */ | |
493 | if (sym->visible == no && !conf_unsaved) | |
669bfad9 | 494 | sym->flags &= ~SYMBOL_DEF_USER; |
1da177e4 LT |
495 | switch (sym->type) { |
496 | case S_STRING: | |
497 | case S_INT: | |
498 | case S_HEX: | |
d8982ba1 RZ |
499 | /* Reset a string value if it's out of range */ |
500 | if (sym_string_within_range(sym, sym->def[S_DEF_USER].val)) | |
501 | break; | |
502 | sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER); | |
503 | conf_unsaved++; | |
504 | break; | |
1da177e4 LT |
505 | default: |
506 | break; | |
507 | } | |
508 | } | |
1da177e4 LT |
509 | } |
510 | ||
bfc10001 | 511 | sym_add_change_count(conf_warnings || conf_unsaved); |
1da177e4 LT |
512 | |
513 | return 0; | |
514 | } | |
515 | ||
e54e692b AL |
516 | /* |
517 | * Kconfig configuration printer | |
518 | * | |
519 | * This printer is used when generating the resulting configuration after | |
520 | * kconfig invocation and `defconfig' files. Unset symbol might be omitted by | |
521 | * passing a non-NULL argument to the printer. | |
522 | * | |
523 | */ | |
524 | static void | |
525 | kconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg) | |
526 | { | |
527 | ||
528 | switch (sym->type) { | |
529 | case S_BOOLEAN: | |
530 | case S_TRISTATE: | |
531 | if (*value == 'n') { | |
532 | bool skip_unset = (arg != NULL); | |
533 | ||
534 | if (!skip_unset) | |
535 | fprintf(fp, "# %s%s is not set\n", | |
536 | CONFIG_, sym->name); | |
537 | return; | |
538 | } | |
539 | break; | |
540 | default: | |
541 | break; | |
542 | } | |
543 | ||
544 | fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, value); | |
545 | } | |
546 | ||
547 | static void | |
548 | kconfig_print_comment(FILE *fp, const char *value, void *arg) | |
49192f26 | 549 | { |
e54e692b AL |
550 | const char *p = value; |
551 | size_t l; | |
552 | ||
553 | for (;;) { | |
554 | l = strcspn(p, "\n"); | |
555 | fprintf(fp, "#"); | |
49192f26 | 556 | if (l) { |
e54e692b | 557 | fprintf(fp, " "); |
70cc01e7 | 558 | xfwrite(p, l, 1, fp); |
e54e692b | 559 | p += l; |
49192f26 | 560 | } |
e54e692b AL |
561 | fprintf(fp, "\n"); |
562 | if (*p++ == '\0') | |
49192f26 | 563 | break; |
49192f26 | 564 | } |
49192f26 SR |
565 | } |
566 | ||
e54e692b | 567 | static struct conf_printer kconfig_printer_cb = |
49192f26 | 568 | { |
e54e692b AL |
569 | .print_symbol = kconfig_print_symbol, |
570 | .print_comment = kconfig_print_comment, | |
571 | }; | |
572 | ||
573 | /* | |
574 | * Header printer | |
575 | * | |
576 | * This printer is used when generating the `include/generated/autoconf.h' file. | |
577 | */ | |
578 | static void | |
579 | header_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg) | |
580 | { | |
49192f26 | 581 | |
0dce6310 | 582 | switch (sym->type) { |
49192f26 | 583 | case S_BOOLEAN: |
eb4cf5a6 AL |
584 | case S_TRISTATE: { |
585 | const char *suffix = ""; | |
586 | ||
e54e692b AL |
587 | switch (*value) { |
588 | case 'n': | |
2a11c8ea | 589 | break; |
e54e692b AL |
590 | case 'm': |
591 | suffix = "_MODULE"; | |
eb4cf5a6 | 592 | /* fall through */ |
e54e692b | 593 | default: |
2a11c8ea MM |
594 | fprintf(fp, "#define %s%s%s 1\n", |
595 | CONFIG_, sym->name, suffix); | |
49192f26 | 596 | } |
eb4cf5a6 AL |
597 | break; |
598 | } | |
599 | case S_HEX: { | |
600 | const char *prefix = ""; | |
601 | ||
602 | if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X')) | |
603 | prefix = "0x"; | |
604 | fprintf(fp, "#define %s%s %s%s\n", | |
605 | CONFIG_, sym->name, prefix, value); | |
606 | break; | |
607 | } | |
608 | case S_STRING: | |
609 | case S_INT: | |
610 | fprintf(fp, "#define %s%s %s\n", | |
611 | CONFIG_, sym->name, value); | |
49192f26 | 612 | break; |
e54e692b | 613 | default: |
49192f26 | 614 | break; |
e54e692b AL |
615 | } |
616 | ||
e54e692b AL |
617 | } |
618 | ||
619 | static void | |
620 | header_print_comment(FILE *fp, const char *value, void *arg) | |
621 | { | |
622 | const char *p = value; | |
623 | size_t l; | |
624 | ||
625 | fprintf(fp, "/*\n"); | |
626 | for (;;) { | |
627 | l = strcspn(p, "\n"); | |
628 | fprintf(fp, " *"); | |
629 | if (l) { | |
630 | fprintf(fp, " "); | |
70cc01e7 | 631 | xfwrite(p, l, 1, fp); |
e54e692b AL |
632 | p += l; |
633 | } | |
634 | fprintf(fp, "\n"); | |
635 | if (*p++ == '\0') | |
636 | break; | |
637 | } | |
638 | fprintf(fp, " */\n"); | |
639 | } | |
640 | ||
641 | static struct conf_printer header_printer_cb = | |
642 | { | |
643 | .print_symbol = header_print_symbol, | |
644 | .print_comment = header_print_comment, | |
645 | }; | |
646 | ||
e54e692b AL |
647 | /* |
648 | * Tristate printer | |
649 | * | |
650 | * This printer is used when generating the `include/config/tristate.conf' file. | |
651 | */ | |
652 | static void | |
653 | tristate_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg) | |
654 | { | |
655 | ||
656 | if (sym->type == S_TRISTATE && *value != 'n') | |
657 | fprintf(fp, "%s%s=%c\n", CONFIG_, sym->name, (char)toupper(*value)); | |
658 | } | |
659 | ||
660 | static struct conf_printer tristate_printer_cb = | |
661 | { | |
662 | .print_symbol = tristate_print_symbol, | |
663 | .print_comment = kconfig_print_comment, | |
664 | }; | |
665 | ||
666 | static void conf_write_symbol(FILE *fp, struct symbol *sym, | |
667 | struct conf_printer *printer, void *printer_arg) | |
668 | { | |
669 | const char *str; | |
670 | ||
671 | switch (sym->type) { | |
49192f26 SR |
672 | case S_OTHER: |
673 | case S_UNKNOWN: | |
674 | break; | |
e54e692b AL |
675 | case S_STRING: |
676 | str = sym_get_string_value(sym); | |
677 | str = sym_escape_string_value(str); | |
678 | printer->print_symbol(fp, sym, str, printer_arg); | |
679 | free((void *)str); | |
680 | break; | |
681 | default: | |
682 | str = sym_get_string_value(sym); | |
683 | printer->print_symbol(fp, sym, str, printer_arg); | |
49192f26 SR |
684 | } |
685 | } | |
686 | ||
e54e692b AL |
687 | static void |
688 | conf_write_heading(FILE *fp, struct conf_printer *printer, void *printer_arg) | |
689 | { | |
690 | char buf[256]; | |
691 | ||
692 | snprintf(buf, sizeof(buf), | |
693 | "\n" | |
694 | "Automatically generated file; DO NOT EDIT.\n" | |
695 | "%s\n", | |
696 | rootmenu.prompt->text); | |
697 | ||
698 | printer->print_comment(fp, buf, printer_arg); | |
699 | } | |
700 | ||
7cf3d73b SR |
701 | /* |
702 | * Write out a minimal config. | |
703 | * All values that has default values are skipped as this is redundant. | |
704 | */ | |
705 | int conf_write_defconfig(const char *filename) | |
706 | { | |
707 | struct symbol *sym; | |
708 | struct menu *menu; | |
709 | FILE *out; | |
710 | ||
711 | out = fopen(filename, "w"); | |
712 | if (!out) | |
713 | return 1; | |
714 | ||
715 | sym_clear_all_valid(); | |
716 | ||
717 | /* Traverse all menus to find all relevant symbols */ | |
718 | menu = rootmenu.list; | |
719 | ||
720 | while (menu != NULL) | |
721 | { | |
722 | sym = menu->sym; | |
723 | if (sym == NULL) { | |
724 | if (!menu_is_visible(menu)) | |
725 | goto next_menu; | |
726 | } else if (!sym_is_choice(sym)) { | |
727 | sym_calc_value(sym); | |
728 | if (!(sym->flags & SYMBOL_WRITE)) | |
729 | goto next_menu; | |
730 | sym->flags &= ~SYMBOL_WRITE; | |
731 | /* If we cannot change the symbol - skip */ | |
732 | if (!sym_is_changable(sym)) | |
733 | goto next_menu; | |
734 | /* If symbol equals to default value - skip */ | |
735 | if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0) | |
736 | goto next_menu; | |
737 | ||
738 | /* | |
739 | * If symbol is a choice value and equals to the | |
740 | * default for a choice - skip. | |
84062dd3 SR |
741 | * But only if value is bool and equal to "y" and |
742 | * choice is not "optional". | |
743 | * (If choice is "optional" then all values can be "n") | |
7cf3d73b SR |
744 | */ |
745 | if (sym_is_choice_value(sym)) { | |
746 | struct symbol *cs; | |
747 | struct symbol *ds; | |
748 | ||
749 | cs = prop_get_symbol(sym_get_choice_prop(sym)); | |
750 | ds = sym_choice_default(cs); | |
84062dd3 | 751 | if (!sym_is_optional(cs) && sym == ds) { |
801690ca SR |
752 | if ((sym->type == S_BOOLEAN) && |
753 | sym_get_tristate_value(sym) == yes) | |
7cf3d73b SR |
754 | goto next_menu; |
755 | } | |
756 | } | |
e54e692b | 757 | conf_write_symbol(out, sym, &kconfig_printer_cb, NULL); |
7cf3d73b SR |
758 | } |
759 | next_menu: | |
760 | if (menu->list != NULL) { | |
761 | menu = menu->list; | |
762 | } | |
763 | else if (menu->next != NULL) { | |
764 | menu = menu->next; | |
765 | } else { | |
766 | while ((menu = menu->parent)) { | |
767 | if (menu->next != NULL) { | |
768 | menu = menu->next; | |
769 | break; | |
770 | } | |
771 | } | |
772 | } | |
773 | } | |
774 | fclose(out); | |
775 | return 0; | |
776 | } | |
777 | ||
1da177e4 LT |
778 | int conf_write(const char *name) |
779 | { | |
c955ccaf | 780 | FILE *out; |
1da177e4 LT |
781 | struct symbol *sym; |
782 | struct menu *menu; | |
783 | const char *basename; | |
1da177e4 | 784 | const char *str; |
2ae89c7a | 785 | char dirname[PATH_MAX+1], tmpname[PATH_MAX+22], newname[PATH_MAX+8]; |
1da177e4 LT |
786 | char *env; |
787 | ||
788 | dirname[0] = 0; | |
789 | if (name && name[0]) { | |
1da177e4 LT |
790 | char *slash; |
791 | ||
0608182a | 792 | if (is_dir(name)) { |
1da177e4 LT |
793 | strcpy(dirname, name); |
794 | strcat(dirname, "/"); | |
14cdd3c4 | 795 | basename = conf_get_configname(); |
1da177e4 LT |
796 | } else if ((slash = strrchr(name, '/'))) { |
797 | int size = slash - name + 1; | |
798 | memcpy(dirname, name, size); | |
799 | dirname[size] = 0; | |
800 | if (slash[1]) | |
801 | basename = slash + 1; | |
802 | else | |
14cdd3c4 | 803 | basename = conf_get_configname(); |
1da177e4 LT |
804 | } else |
805 | basename = name; | |
806 | } else | |
14cdd3c4 | 807 | basename = conf_get_configname(); |
1da177e4 | 808 | |
14cdd3c4 RZ |
809 | sprintf(newname, "%s%s", dirname, basename); |
810 | env = getenv("KCONFIG_OVERWRITECONFIG"); | |
811 | if (!env || !*env) { | |
812 | sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid()); | |
813 | out = fopen(tmpname, "w"); | |
814 | } else { | |
815 | *tmpname = 0; | |
816 | out = fopen(newname, "w"); | |
817 | } | |
1da177e4 LT |
818 | if (!out) |
819 | return 1; | |
14cdd3c4 | 820 | |
e54e692b | 821 | conf_write_heading(out, &kconfig_printer_cb, NULL); |
1da177e4 | 822 | |
b3214293 | 823 | if (!conf_get_changed()) |
1da177e4 LT |
824 | sym_clear_all_valid(); |
825 | ||
826 | menu = rootmenu.list; | |
827 | while (menu) { | |
828 | sym = menu->sym; | |
829 | if (!sym) { | |
830 | if (!menu_is_visible(menu)) | |
831 | goto next; | |
832 | str = menu_get_prompt(menu); | |
833 | fprintf(out, "\n" | |
834 | "#\n" | |
835 | "# %s\n" | |
836 | "#\n", str); | |
1da177e4 LT |
837 | } else if (!(sym->flags & SYMBOL_CHOICE)) { |
838 | sym_calc_value(sym); | |
839 | if (!(sym->flags & SYMBOL_WRITE)) | |
840 | goto next; | |
841 | sym->flags &= ~SYMBOL_WRITE; | |
e54e692b AL |
842 | |
843 | conf_write_symbol(out, sym, &kconfig_printer_cb, NULL); | |
1da177e4 LT |
844 | } |
845 | ||
49192f26 | 846 | next: |
1da177e4 LT |
847 | if (menu->list) { |
848 | menu = menu->list; | |
849 | continue; | |
850 | } | |
851 | if (menu->next) | |
852 | menu = menu->next; | |
853 | else while ((menu = menu->parent)) { | |
854 | if (menu->next) { | |
855 | menu = menu->next; | |
856 | break; | |
857 | } | |
858 | } | |
859 | } | |
860 | fclose(out); | |
14cdd3c4 RZ |
861 | |
862 | if (*tmpname) { | |
9a3d0fe8 | 863 | strcat(dirname, basename); |
14cdd3c4 RZ |
864 | strcat(dirname, ".old"); |
865 | rename(newname, dirname); | |
866 | if (rename(tmpname, newname)) | |
867 | return 1; | |
1da177e4 | 868 | } |
1da177e4 | 869 | |
694c49a7 | 870 | conf_message("configuration written to %s", newname); |
ddc97cac | 871 | |
bfc10001 | 872 | sym_set_change_count(0); |
1da177e4 LT |
873 | |
874 | return 0; | |
875 | } | |
c955ccaf | 876 | |
a2ff4040 MY |
877 | /* write a dependency file as used by kbuild to track dependencies */ |
878 | static int conf_write_dep(const char *name) | |
879 | { | |
880 | struct file *file; | |
881 | FILE *out; | |
882 | ||
883 | if (!name) | |
884 | name = ".kconfig.d"; | |
885 | out = fopen("..config.tmp", "w"); | |
886 | if (!out) | |
887 | return 1; | |
888 | fprintf(out, "deps_config := \\\n"); | |
889 | for (file = file_list; file; file = file->next) { | |
890 | if (file->next) | |
891 | fprintf(out, "\t%s \\\n", file->name); | |
892 | else | |
893 | fprintf(out, "\t%s\n", file->name); | |
894 | } | |
895 | fprintf(out, "\n%s: \\\n" | |
896 | "\t$(deps_config)\n\n", conf_get_autoconfig_name()); | |
897 | ||
898 | env_write_dep(out, conf_get_autoconfig_name()); | |
899 | ||
900 | fprintf(out, "\n$(deps_config): ;\n"); | |
901 | fclose(out); | |
79123b13 MY |
902 | |
903 | if (make_parent_dir(name)) | |
904 | return 1; | |
a2ff4040 MY |
905 | rename("..config.tmp", name); |
906 | return 0; | |
907 | } | |
908 | ||
4356f489 | 909 | static int conf_split_config(void) |
2e3646e5 | 910 | { |
12122f62 | 911 | const char *name; |
1408b15b | 912 | char path[PATH_MAX+1]; |
2e3646e5 RZ |
913 | char *s, *d, c; |
914 | struct symbol *sym; | |
2e3646e5 RZ |
915 | int res, i, fd; |
916 | ||
12122f62 | 917 | name = conf_get_autoconfig_name(); |
2e3646e5 | 918 | conf_read_simple(name, S_DEF_AUTO); |
6b87b70c | 919 | sym_calc_value(modules_sym); |
2e3646e5 | 920 | |
79123b13 MY |
921 | if (make_parent_dir("include/config/foo.h")) |
922 | return 1; | |
2e3646e5 RZ |
923 | if (chdir("include/config")) |
924 | return 1; | |
925 | ||
926 | res = 0; | |
927 | for_all_symbols(i, sym) { | |
928 | sym_calc_value(sym); | |
693359f7 | 929 | if ((sym->flags & SYMBOL_NO_WRITE) || !sym->name) |
2e3646e5 RZ |
930 | continue; |
931 | if (sym->flags & SYMBOL_WRITE) { | |
932 | if (sym->flags & SYMBOL_DEF_AUTO) { | |
933 | /* | |
934 | * symbol has old and new value, | |
935 | * so compare them... | |
936 | */ | |
937 | switch (sym->type) { | |
938 | case S_BOOLEAN: | |
939 | case S_TRISTATE: | |
940 | if (sym_get_tristate_value(sym) == | |
941 | sym->def[S_DEF_AUTO].tri) | |
942 | continue; | |
943 | break; | |
944 | case S_STRING: | |
945 | case S_HEX: | |
946 | case S_INT: | |
947 | if (!strcmp(sym_get_string_value(sym), | |
948 | sym->def[S_DEF_AUTO].val)) | |
949 | continue; | |
950 | break; | |
951 | default: | |
952 | break; | |
953 | } | |
954 | } else { | |
955 | /* | |
956 | * If there is no old value, only 'no' (unset) | |
957 | * is allowed as new value. | |
958 | */ | |
959 | switch (sym->type) { | |
960 | case S_BOOLEAN: | |
961 | case S_TRISTATE: | |
962 | if (sym_get_tristate_value(sym) == no) | |
963 | continue; | |
964 | break; | |
965 | default: | |
966 | break; | |
967 | } | |
968 | } | |
969 | } else if (!(sym->flags & SYMBOL_DEF_AUTO)) | |
970 | /* There is neither an old nor a new value. */ | |
971 | continue; | |
972 | /* else | |
973 | * There is an old value, but no new value ('no' (unset) | |
974 | * isn't saved in auto.conf, so the old value is always | |
975 | * different from 'no'). | |
976 | */ | |
977 | ||
978 | /* Replace all '_' and append ".h" */ | |
979 | s = sym->name; | |
980 | d = path; | |
981 | while ((c = *s++)) { | |
982 | c = tolower(c); | |
983 | *d++ = (c == '_') ? '/' : c; | |
984 | } | |
985 | strcpy(d, ".h"); | |
986 | ||
987 | /* Assume directory path already exists. */ | |
988 | fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); | |
989 | if (fd == -1) { | |
990 | if (errno != ENOENT) { | |
991 | res = 1; | |
992 | break; | |
993 | } | |
0608182a MY |
994 | |
995 | if (make_parent_dir(path)) { | |
996 | res = 1; | |
997 | goto out; | |
2e3646e5 | 998 | } |
79123b13 | 999 | |
2e3646e5 RZ |
1000 | /* Try it again. */ |
1001 | fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); | |
1002 | if (fd == -1) { | |
1003 | res = 1; | |
1004 | break; | |
1005 | } | |
1006 | } | |
1007 | close(fd); | |
1008 | } | |
1009 | out: | |
1010 | if (chdir("../..")) | |
1011 | return 1; | |
1012 | ||
1013 | return res; | |
1014 | } | |
1015 | ||
c955ccaf RZ |
1016 | int conf_write_autoconf(void) |
1017 | { | |
1018 | struct symbol *sym; | |
12122f62 | 1019 | const char *name; |
bc081dd6 | 1020 | FILE *out, *tristate, *out_h; |
49192f26 | 1021 | int i; |
c955ccaf | 1022 | |
2e3646e5 RZ |
1023 | sym_clear_all_valid(); |
1024 | ||
a2ff4040 | 1025 | conf_write_dep("include/config/auto.conf.cmd"); |
c955ccaf | 1026 | |
2e3646e5 RZ |
1027 | if (conf_split_config()) |
1028 | return 1; | |
1029 | ||
c955ccaf RZ |
1030 | out = fopen(".tmpconfig", "w"); |
1031 | if (!out) | |
1032 | return 1; | |
1033 | ||
bc081dd6 MM |
1034 | tristate = fopen(".tmpconfig_tristate", "w"); |
1035 | if (!tristate) { | |
1036 | fclose(out); | |
1037 | return 1; | |
1038 | } | |
1039 | ||
c955ccaf RZ |
1040 | out_h = fopen(".tmpconfig.h", "w"); |
1041 | if (!out_h) { | |
1042 | fclose(out); | |
bc081dd6 | 1043 | fclose(tristate); |
c955ccaf RZ |
1044 | return 1; |
1045 | } | |
1046 | ||
e54e692b AL |
1047 | conf_write_heading(out, &kconfig_printer_cb, NULL); |
1048 | ||
1049 | conf_write_heading(tristate, &tristate_printer_cb, NULL); | |
1050 | ||
1051 | conf_write_heading(out_h, &header_printer_cb, NULL); | |
c955ccaf | 1052 | |
c955ccaf RZ |
1053 | for_all_symbols(i, sym) { |
1054 | sym_calc_value(sym); | |
a9596135 | 1055 | if (!(sym->flags & SYMBOL_WRITE) || !sym->name) |
c955ccaf | 1056 | continue; |
49192f26 | 1057 | |
a9596135 | 1058 | /* write symbol to auto.conf, tristate and header files */ |
e54e692b | 1059 | conf_write_symbol(out, sym, &kconfig_printer_cb, (void *)1); |
49192f26 | 1060 | |
e54e692b AL |
1061 | conf_write_symbol(tristate, sym, &tristate_printer_cb, (void *)1); |
1062 | ||
1063 | conf_write_symbol(out_h, sym, &header_printer_cb, NULL); | |
c955ccaf RZ |
1064 | } |
1065 | fclose(out); | |
bc081dd6 | 1066 | fclose(tristate); |
c955ccaf RZ |
1067 | fclose(out_h); |
1068 | ||
1069 | name = getenv("KCONFIG_AUTOHEADER"); | |
1070 | if (!name) | |
264a2683 | 1071 | name = "include/generated/autoconf.h"; |
79123b13 MY |
1072 | if (make_parent_dir(name)) |
1073 | return 1; | |
c955ccaf RZ |
1074 | if (rename(".tmpconfig.h", name)) |
1075 | return 1; | |
79123b13 | 1076 | |
bc081dd6 MM |
1077 | name = getenv("KCONFIG_TRISTATE"); |
1078 | if (!name) | |
1079 | name = "include/config/tristate.conf"; | |
79123b13 MY |
1080 | if (make_parent_dir(name)) |
1081 | return 1; | |
bc081dd6 MM |
1082 | if (rename(".tmpconfig_tristate", name)) |
1083 | return 1; | |
79123b13 | 1084 | |
12122f62 | 1085 | name = conf_get_autoconfig_name(); |
79123b13 MY |
1086 | if (make_parent_dir(name)) |
1087 | return 1; | |
c955ccaf RZ |
1088 | /* |
1089 | * This must be the last step, kbuild has a dependency on auto.conf | |
1090 | * and this marks the successful completion of the previous steps. | |
1091 | */ | |
1092 | if (rename(".tmpconfig", name)) | |
1093 | return 1; | |
1094 | ||
1095 | return 0; | |
1096 | } | |
b3214293 | 1097 | |
bfc10001 | 1098 | static int sym_change_count; |
3b354c55 | 1099 | static void (*conf_changed_callback)(void); |
bfc10001 KW |
1100 | |
1101 | void sym_set_change_count(int count) | |
1102 | { | |
3b354c55 | 1103 | int _sym_change_count = sym_change_count; |
bfc10001 | 1104 | sym_change_count = count; |
3b354c55 KW |
1105 | if (conf_changed_callback && |
1106 | (bool)_sym_change_count != (bool)count) | |
1107 | conf_changed_callback(); | |
bfc10001 KW |
1108 | } |
1109 | ||
1110 | void sym_add_change_count(int count) | |
1111 | { | |
3b354c55 | 1112 | sym_set_change_count(count + sym_change_count); |
bfc10001 KW |
1113 | } |
1114 | ||
b3214293 KW |
1115 | bool conf_get_changed(void) |
1116 | { | |
1117 | return sym_change_count; | |
1118 | } | |
3b354c55 KW |
1119 | |
1120 | void conf_set_changed_callback(void (*fn)(void)) | |
1121 | { | |
1122 | conf_changed_callback = fn; | |
1123 | } | |
dc7862e5 | 1124 | |
3b9a19e0 | 1125 | static bool randomize_choice_values(struct symbol *csym) |
a64b44ea SR |
1126 | { |
1127 | struct property *prop; | |
1128 | struct symbol *sym; | |
1129 | struct expr *e; | |
1130 | int cnt, def; | |
dc7862e5 | 1131 | |
a64b44ea | 1132 | /* |
579fb8e7 | 1133 | * If choice is mod then we may have more items selected |
a64b44ea SR |
1134 | * and if no then no-one. |
1135 | * In both cases stop. | |
1136 | */ | |
1137 | if (csym->curr.tri != yes) | |
3b9a19e0 | 1138 | return false; |
a64b44ea SR |
1139 | |
1140 | prop = sym_get_choice_prop(csym); | |
1141 | ||
1142 | /* count entries in choice block */ | |
1143 | cnt = 0; | |
1144 | expr_list_for_each_sym(prop->expr, e, sym) | |
1145 | cnt++; | |
1146 | ||
1147 | /* | |
1148 | * find a random value and set it to yes, | |
1149 | * set the rest to no so we have only one set | |
1150 | */ | |
1151 | def = (rand() % cnt); | |
1152 | ||
1153 | cnt = 0; | |
1154 | expr_list_for_each_sym(prop->expr, e, sym) { | |
1155 | if (def == cnt++) { | |
1156 | sym->def[S_DEF_USER].tri = yes; | |
1157 | csym->def[S_DEF_USER].val = sym; | |
1158 | } | |
1159 | else { | |
1160 | sym->def[S_DEF_USER].tri = no; | |
1161 | } | |
e6abf12a YM |
1162 | sym->flags |= SYMBOL_DEF_USER; |
1163 | /* clear VALID to get value calculated */ | |
1164 | sym->flags &= ~SYMBOL_VALID; | |
a64b44ea SR |
1165 | } |
1166 | csym->flags |= SYMBOL_DEF_USER; | |
1167 | /* clear VALID to get value calculated */ | |
1168 | csym->flags &= ~(SYMBOL_VALID); | |
3b9a19e0 YM |
1169 | |
1170 | return true; | |
a64b44ea SR |
1171 | } |
1172 | ||
fbe98bb9 | 1173 | void set_all_choice_values(struct symbol *csym) |
dc7862e5 | 1174 | { |
dc7862e5 | 1175 | struct property *prop; |
a64b44ea | 1176 | struct symbol *sym; |
dc7862e5 | 1177 | struct expr *e; |
a64b44ea SR |
1178 | |
1179 | prop = sym_get_choice_prop(csym); | |
1180 | ||
1181 | /* | |
1182 | * Set all non-assinged choice values to no | |
1183 | */ | |
1184 | expr_list_for_each_sym(prop->expr, e, sym) { | |
1185 | if (!sym_has_value(sym)) | |
1186 | sym->def[S_DEF_USER].tri = no; | |
1187 | } | |
1188 | csym->flags |= SYMBOL_DEF_USER; | |
1189 | /* clear VALID to get value calculated */ | |
fbe98bb9 | 1190 | csym->flags &= ~(SYMBOL_VALID | SYMBOL_NEED_SET_CHOICE_VALUES); |
a64b44ea SR |
1191 | } |
1192 | ||
3b9a19e0 | 1193 | bool conf_set_all_new_symbols(enum conf_def_mode mode) |
a64b44ea SR |
1194 | { |
1195 | struct symbol *sym, *csym; | |
b92d804a | 1196 | int i, cnt, pby, pty, ptm; /* pby: probability of bool = y |
e43956e6 YM |
1197 | * pty: probability of tristate = y |
1198 | * ptm: probability of tristate = m | |
1199 | */ | |
1200 | ||
1201 | pby = 50; pty = ptm = 33; /* can't go as the default in switch-case | |
1202 | * below, otherwise gcc whines about | |
1203 | * -Wmaybe-uninitialized */ | |
1204 | if (mode == def_random) { | |
1205 | int n, p[3]; | |
1206 | char *env = getenv("KCONFIG_PROBABILITY"); | |
1207 | n = 0; | |
1208 | while( env && *env ) { | |
1209 | char *endp; | |
1210 | int tmp = strtol( env, &endp, 10 ); | |
1211 | if( tmp >= 0 && tmp <= 100 ) { | |
1212 | p[n++] = tmp; | |
1213 | } else { | |
1214 | errno = ERANGE; | |
1215 | perror( "KCONFIG_PROBABILITY" ); | |
1216 | exit( 1 ); | |
1217 | } | |
1218 | env = (*endp == ':') ? endp+1 : endp; | |
1219 | if( n >=3 ) { | |
1220 | break; | |
1221 | } | |
1222 | } | |
1223 | switch( n ) { | |
1224 | case 1: | |
1225 | pby = p[0]; ptm = pby/2; pty = pby-ptm; | |
1226 | break; | |
1227 | case 2: | |
1228 | pty = p[0]; ptm = p[1]; pby = pty + ptm; | |
1229 | break; | |
1230 | case 3: | |
1231 | pby = p[0]; pty = p[1]; ptm = p[2]; | |
1232 | break; | |
1233 | } | |
1234 | ||
1235 | if( pty+ptm > 100 ) { | |
1236 | errno = ERANGE; | |
1237 | perror( "KCONFIG_PROBABILITY" ); | |
1238 | exit( 1 ); | |
1239 | } | |
1240 | } | |
3b9a19e0 | 1241 | bool has_changed = false; |
dc7862e5 RZ |
1242 | |
1243 | for_all_symbols(i, sym) { | |
cfa98f2e | 1244 | if (sym_has_value(sym) || (sym->flags & SYMBOL_VALID)) |
dc7862e5 RZ |
1245 | continue; |
1246 | switch (sym_get_type(sym)) { | |
1247 | case S_BOOLEAN: | |
1248 | case S_TRISTATE: | |
3b9a19e0 | 1249 | has_changed = true; |
dc7862e5 RZ |
1250 | switch (mode) { |
1251 | case def_yes: | |
1252 | sym->def[S_DEF_USER].tri = yes; | |
1253 | break; | |
1254 | case def_mod: | |
1255 | sym->def[S_DEF_USER].tri = mod; | |
1256 | break; | |
1257 | case def_no: | |
5d2acfc7 JT |
1258 | if (sym->flags & SYMBOL_ALLNOCONFIG_Y) |
1259 | sym->def[S_DEF_USER].tri = yes; | |
1260 | else | |
1261 | sym->def[S_DEF_USER].tri = no; | |
dc7862e5 RZ |
1262 | break; |
1263 | case def_random: | |
e43956e6 YM |
1264 | sym->def[S_DEF_USER].tri = no; |
1265 | cnt = rand() % 100; | |
1266 | if (sym->type == S_TRISTATE) { | |
1267 | if (cnt < pty) | |
1268 | sym->def[S_DEF_USER].tri = yes; | |
1269 | else if (cnt < (pty+ptm)) | |
1270 | sym->def[S_DEF_USER].tri = mod; | |
1271 | } else if (cnt < pby) | |
1272 | sym->def[S_DEF_USER].tri = yes; | |
dc7862e5 RZ |
1273 | break; |
1274 | default: | |
1275 | continue; | |
1276 | } | |
184832c9 | 1277 | if (!(sym_is_choice(sym) && mode == def_random)) |
dc7862e5 RZ |
1278 | sym->flags |= SYMBOL_DEF_USER; |
1279 | break; | |
1280 | default: | |
1281 | break; | |
1282 | } | |
1283 | ||
1284 | } | |
1285 | ||
ce97e13e | 1286 | sym_clear_all_valid(); |
dc7862e5 | 1287 | |
184832c9 SR |
1288 | /* |
1289 | * We have different type of choice blocks. | |
579fb8e7 | 1290 | * If curr.tri equals to mod then we can select several |
184832c9 SR |
1291 | * choice symbols in one block. |
1292 | * In this case we do nothing. | |
579fb8e7 | 1293 | * If curr.tri equals yes then only one symbol can be |
184832c9 SR |
1294 | * selected in a choice block and we set it to yes, |
1295 | * and the rest to no. | |
1296 | */ | |
fbe98bb9 AH |
1297 | if (mode != def_random) { |
1298 | for_all_symbols(i, csym) { | |
1299 | if ((sym_is_choice(csym) && !sym_has_value(csym)) || | |
1300 | sym_is_choice_value(csym)) | |
1301 | csym->flags |= SYMBOL_NEED_SET_CHOICE_VALUES; | |
1302 | } | |
1303 | } | |
1304 | ||
dc7862e5 RZ |
1305 | for_all_symbols(i, csym) { |
1306 | if (sym_has_value(csym) || !sym_is_choice(csym)) | |
1307 | continue; | |
1308 | ||
1309 | sym_calc_value(csym); | |
a64b44ea | 1310 | if (mode == def_random) |
3b9a19e0 YM |
1311 | has_changed = randomize_choice_values(csym); |
1312 | else { | |
1313 | set_all_choice_values(csym); | |
1314 | has_changed = true; | |
1315 | } | |
dc7862e5 | 1316 | } |
3b9a19e0 YM |
1317 | |
1318 | return has_changed; | |
dc7862e5 | 1319 | } |