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 <locale.h> 7 #include <ctype.h> 8 #include <stdio.h> 9 #include <stdlib.h> 10 #include <string.h> 11 #include <time.h> 12 #include <unistd.h> 13 #include <sys/stat.h> 14 #include <sys/time.h> 15 16 #define LKC_DIRECT_LINK 17 #include "lkc.h" 18 19 static void conf(struct menu *menu); 20 static void check_conf(struct menu *menu); 21 22 enum { 23 ask_all, 24 ask_new, 25 ask_silent, 26 set_default, 27 set_yes, 28 set_mod, 29 set_no, 30 set_random 31 } input_mode = ask_all; 32 char *defconfig_file; 33 34 static int indent = 1; 35 static int valid_stdin = 1; 36 static int sync_kconfig; 37 static int conf_cnt; 38 static char line[128]; 39 static struct menu *rootEntry; 40 41 static char nohelp_text[] = N_("Sorry, no help available for this option yet.\n"); 42 43 static const char *get_help(struct menu *menu) 44 { 45 if (menu_has_help(menu)) 46 return _(menu_get_help(menu)); 47 else 48 return nohelp_text; 49 } 50 51 static void strip(char *str) 52 { 53 char *p = str; 54 int l; 55 56 while ((isspace(*p))) 57 p++; 58 l = strlen(p); 59 if (p != str) 60 memmove(str, p, l + 1); 61 if (!l) 62 return; 63 p = str + l - 1; 64 while ((isspace(*p))) 65 *p-- = 0; 66 } 67 68 static void check_stdin(void) 69 { 70 if (!valid_stdin) { 71 printf(_("aborted!\n\n")); 72 printf(_("Console input/output is redirected. ")); 73 printf(_("Run 'make oldconfig' to update configuration.\n\n")); 74 exit(1); 75 } 76 } 77 78 static int conf_askvalue(struct symbol *sym, const char *def) 79 { 80 enum symbol_type type = sym_get_type(sym); 81 82 if (!sym_has_value(sym)) 83 printf(_("(NEW) ")); 84 85 line[0] = '\n'; 86 line[1] = 0; 87 88 if (!sym_is_changable(sym)) { 89 printf("%s\n", def); 90 line[0] = '\n'; 91 line[1] = 0; 92 return 0; 93 } 94 95 switch (input_mode) { 96 case ask_new: 97 case ask_silent: 98 if (sym_has_value(sym)) { 99 printf("%s\n", def); 100 return 0; 101 } 102 check_stdin(); 103 case ask_all: 104 fflush(stdout); 105 fgets(line, 128, stdin); 106 return 1; 107 default: 108 break; 109 } 110 111 switch (type) { 112 case S_INT: 113 case S_HEX: 114 case S_STRING: 115 printf("%s\n", def); 116 return 1; 117 default: 118 ; 119 } 120 printf("%s", line); 121 return 1; 122 } 123 124 int conf_string(struct menu *menu) 125 { 126 struct symbol *sym = menu->sym; 127 const char *def; 128 129 while (1) { 130 printf("%*s%s ", indent - 1, "", _(menu->prompt->text)); 131 printf("(%s) ", sym->name); 132 def = sym_get_string_value(sym); 133 if (sym_get_string_value(sym)) 134 printf("[%s] ", def); 135 if (!conf_askvalue(sym, def)) 136 return 0; 137 switch (line[0]) { 138 case '\n': 139 break; 140 case '?': 141 /* print help */ 142 if (line[1] == '\n') { 143 printf("\n%s\n", get_help(menu)); 144 def = NULL; 145 break; 146 } 147 default: 148 line[strlen(line)-1] = 0; 149 def = line; 150 } 151 if (def && sym_set_string_value(sym, def)) 152 return 0; 153 } 154 } 155 156 static int conf_sym(struct menu *menu) 157 { 158 struct symbol *sym = menu->sym; 159 int type; 160 tristate oldval, newval; 161 162 while (1) { 163 printf("%*s%s ", indent - 1, "", _(menu->prompt->text)); 164 if (sym->name) 165 printf("(%s) ", sym->name); 166 type = sym_get_type(sym); 167 putchar('['); 168 oldval = sym_get_tristate_value(sym); 169 switch (oldval) { 170 case no: 171 putchar('N'); 172 break; 173 case mod: 174 putchar('M'); 175 break; 176 case yes: 177 putchar('Y'); 178 break; 179 } 180 if (oldval != no && sym_tristate_within_range(sym, no)) 181 printf("/n"); 182 if (oldval != mod && sym_tristate_within_range(sym, mod)) 183 printf("/m"); 184 if (oldval != yes && sym_tristate_within_range(sym, yes)) 185 printf("/y"); 186 if (menu_has_help(menu)) 187 printf("/?"); 188 printf("] "); 189 if (!conf_askvalue(sym, sym_get_string_value(sym))) 190 return 0; 191 strip(line); 192 193 switch (line[0]) { 194 case 'n': 195 case 'N': 196 newval = no; 197 if (!line[1] || !strcmp(&line[1], "o")) 198 break; 199 continue; 200 case 'm': 201 case 'M': 202 newval = mod; 203 if (!line[1]) 204 break; 205 continue; 206 case 'y': 207 case 'Y': 208 newval = yes; 209 if (!line[1] || !strcmp(&line[1], "es")) 210 break; 211 continue; 212 case 0: 213 newval = oldval; 214 break; 215 case '?': 216 goto help; 217 default: 218 continue; 219 } 220 if (sym_set_tristate_value(sym, newval)) 221 return 0; 222 help: 223 printf("\n%s\n", get_help(menu)); 224 } 225 } 226 227 static int conf_choice(struct menu *menu) 228 { 229 struct symbol *sym, *def_sym; 230 struct menu *child; 231 int type; 232 bool is_new; 233 234 sym = menu->sym; 235 type = sym_get_type(sym); 236 is_new = !sym_has_value(sym); 237 if (sym_is_changable(sym)) { 238 conf_sym(menu); 239 sym_calc_value(sym); 240 switch (sym_get_tristate_value(sym)) { 241 case no: 242 return 1; 243 case mod: 244 return 0; 245 case yes: 246 break; 247 } 248 } else { 249 switch (sym_get_tristate_value(sym)) { 250 case no: 251 return 1; 252 case mod: 253 printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu))); 254 return 0; 255 case yes: 256 break; 257 } 258 } 259 260 while (1) { 261 int cnt, def; 262 263 printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu))); 264 def_sym = sym_get_choice_value(sym); 265 cnt = def = 0; 266 line[0] = 0; 267 for (child = menu->list; child; child = child->next) { 268 if (!menu_is_visible(child)) 269 continue; 270 if (!child->sym) { 271 printf("%*c %s\n", indent, '*', _(menu_get_prompt(child))); 272 continue; 273 } 274 cnt++; 275 if (child->sym == def_sym) { 276 def = cnt; 277 printf("%*c", indent, '>'); 278 } else 279 printf("%*c", indent, ' '); 280 printf(" %d. %s", cnt, _(menu_get_prompt(child))); 281 if (child->sym->name) 282 printf(" (%s)", child->sym->name); 283 if (!sym_has_value(child->sym)) 284 printf(_(" (NEW)")); 285 printf("\n"); 286 } 287 printf(_("%*schoice"), indent - 1, ""); 288 if (cnt == 1) { 289 printf("[1]: 1\n"); 290 goto conf_childs; 291 } 292 printf("[1-%d", cnt); 293 if (menu_has_help(menu)) 294 printf("?"); 295 printf("]: "); 296 switch (input_mode) { 297 case ask_new: 298 case ask_silent: 299 if (!is_new) { 300 cnt = def; 301 printf("%d\n", cnt); 302 break; 303 } 304 check_stdin(); 305 case ask_all: 306 fflush(stdout); 307 fgets(line, 128, stdin); 308 strip(line); 309 if (line[0] == '?') { 310 printf("\n%s\n", get_help(menu)); 311 continue; 312 } 313 if (!line[0]) 314 cnt = def; 315 else if (isdigit(line[0])) 316 cnt = atoi(line); 317 else 318 continue; 319 break; 320 default: 321 break; 322 } 323 324 conf_childs: 325 for (child = menu->list; child; child = child->next) { 326 if (!child->sym || !menu_is_visible(child)) 327 continue; 328 if (!--cnt) 329 break; 330 } 331 if (!child) 332 continue; 333 if (line[strlen(line) - 1] == '?') { 334 printf("\n%s\n", get_help(child)); 335 continue; 336 } 337 sym_set_choice_value(sym, child->sym); 338 for (child = child->list; child; child = child->next) { 339 indent += 2; 340 conf(child); 341 indent -= 2; 342 } 343 return 1; 344 } 345 } 346 347 static void conf(struct menu *menu) 348 { 349 struct symbol *sym; 350 struct property *prop; 351 struct menu *child; 352 353 if (!menu_is_visible(menu)) 354 return; 355 356 sym = menu->sym; 357 prop = menu->prompt; 358 if (prop) { 359 const char *prompt; 360 361 switch (prop->type) { 362 case P_MENU: 363 if (input_mode == ask_silent && rootEntry != menu) { 364 check_conf(menu); 365 return; 366 } 367 case P_COMMENT: 368 prompt = menu_get_prompt(menu); 369 if (prompt) 370 printf("%*c\n%*c %s\n%*c\n", 371 indent, '*', 372 indent, '*', _(prompt), 373 indent, '*'); 374 default: 375 ; 376 } 377 } 378 379 if (!sym) 380 goto conf_childs; 381 382 if (sym_is_choice(sym)) { 383 conf_choice(menu); 384 if (sym->curr.tri != mod) 385 return; 386 goto conf_childs; 387 } 388 389 switch (sym->type) { 390 case S_INT: 391 case S_HEX: 392 case S_STRING: 393 conf_string(menu); 394 break; 395 default: 396 conf_sym(menu); 397 break; 398 } 399 400 conf_childs: 401 if (sym) 402 indent += 2; 403 for (child = menu->list; child; child = child->next) 404 conf(child); 405 if (sym) 406 indent -= 2; 407 } 408 409 static void check_conf(struct menu *menu) 410 { 411 struct symbol *sym; 412 struct menu *child; 413 414 if (!menu_is_visible(menu)) 415 return; 416 417 sym = menu->sym; 418 if (sym && !sym_has_value(sym)) { 419 if (sym_is_changable(sym) || 420 (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) { 421 if (!conf_cnt++) 422 printf(_("*\n* Restart config...\n*\n")); 423 rootEntry = menu_get_parent_menu(menu); 424 conf(rootEntry); 425 } 426 } 427 428 for (child = menu->list; child; child = child->next) 429 check_conf(child); 430 } 431 432 int main(int ac, char **av) 433 { 434 int opt; 435 const char *name; 436 struct stat tmpstat; 437 438 setlocale(LC_ALL, ""); 439 bindtextdomain(PACKAGE, LOCALEDIR); 440 textdomain(PACKAGE); 441 442 while ((opt = getopt(ac, av, "osdD:nmyrh")) != -1) { 443 switch (opt) { 444 case 'o': 445 input_mode = ask_silent; 446 break; 447 case 's': 448 input_mode = ask_silent; 449 sync_kconfig = 1; 450 break; 451 case 'd': 452 input_mode = set_default; 453 break; 454 case 'D': 455 input_mode = set_default; 456 defconfig_file = optarg; 457 break; 458 case 'n': 459 input_mode = set_no; 460 break; 461 case 'm': 462 input_mode = set_mod; 463 break; 464 case 'y': 465 input_mode = set_yes; 466 break; 467 case 'r': 468 { 469 struct timeval now; 470 unsigned int seed; 471 472 /* 473 * Use microseconds derived seed, 474 * compensate for systems where it may be zero 475 */ 476 gettimeofday(&now, NULL); 477 478 seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1)); 479 srand(seed); 480 481 input_mode = set_random; 482 break; 483 } 484 case 'h': 485 printf(_("See README for usage info\n")); 486 exit(0); 487 break; 488 default: 489 fprintf(stderr, _("See README for usage info\n")); 490 exit(1); 491 } 492 } 493 if (ac == optind) { 494 printf(_("%s: Kconfig file missing\n"), av[0]); 495 exit(1); 496 } 497 name = av[optind]; 498 conf_parse(name); 499 //zconfdump(stdout); 500 if (sync_kconfig) { 501 if (stat(".config", &tmpstat)) { 502 fprintf(stderr, _("***\n" 503 "*** You have not yet configured your kernel!\n" 504 "*** (missing kernel .config file)\n" 505 "***\n" 506 "*** Please run some configurator (e.g. \"make oldconfig\" or\n" 507 "*** \"make menuconfig\" or \"make xconfig\").\n" 508 "***\n")); 509 exit(1); 510 } 511 } 512 513 switch (input_mode) { 514 case set_default: 515 if (!defconfig_file) 516 defconfig_file = conf_get_default_confname(); 517 if (conf_read(defconfig_file)) { 518 printf(_("***\n" 519 "*** Can't find default configuration \"%s\"!\n" 520 "***\n"), defconfig_file); 521 exit(1); 522 } 523 break; 524 case ask_silent: 525 case ask_all: 526 case ask_new: 527 conf_read(NULL); 528 break; 529 case set_no: 530 case set_mod: 531 case set_yes: 532 case set_random: 533 name = getenv("KCONFIG_ALLCONFIG"); 534 if (name && !stat(name, &tmpstat)) { 535 conf_read_simple(name, S_DEF_USER); 536 break; 537 } 538 switch (input_mode) { 539 case set_no: name = "allno.config"; break; 540 case set_mod: name = "allmod.config"; break; 541 case set_yes: name = "allyes.config"; break; 542 case set_random: name = "allrandom.config"; break; 543 default: break; 544 } 545 if (!stat(name, &tmpstat)) 546 conf_read_simple(name, S_DEF_USER); 547 else if (!stat("all.config", &tmpstat)) 548 conf_read_simple("all.config", S_DEF_USER); 549 break; 550 default: 551 break; 552 } 553 554 if (sync_kconfig) { 555 if (conf_get_changed()) { 556 name = getenv("KCONFIG_NOSILENTUPDATE"); 557 if (name && *name) { 558 fprintf(stderr, 559 _("\n*** Kernel configuration requires explicit update.\n\n")); 560 return 1; 561 } 562 } 563 valid_stdin = isatty(0) && isatty(1) && isatty(2); 564 } 565 566 switch (input_mode) { 567 case set_no: 568 conf_set_all_new_symbols(def_no); 569 break; 570 case set_yes: 571 conf_set_all_new_symbols(def_yes); 572 break; 573 case set_mod: 574 conf_set_all_new_symbols(def_mod); 575 break; 576 case set_random: 577 conf_set_all_new_symbols(def_random); 578 break; 579 case set_default: 580 conf_set_all_new_symbols(def_default); 581 break; 582 case ask_new: 583 case ask_all: 584 rootEntry = &rootmenu; 585 conf(&rootmenu); 586 input_mode = ask_silent; 587 /* fall through */ 588 case ask_silent: 589 /* Update until a loop caused no more changes */ 590 do { 591 conf_cnt = 0; 592 check_conf(&rootmenu); 593 } while (conf_cnt); 594 break; 595 } 596 597 if (sync_kconfig) { 598 /* silentoldconfig is used during the build so we shall update autoconf. 599 * All other commands are only used to generate a config. 600 */ 601 if (conf_get_changed() && conf_write(NULL)) { 602 fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n")); 603 exit(1); 604 } 605 if (conf_write_autoconf()) { 606 fprintf(stderr, _("\n*** Error during update of the kernel configuration.\n\n")); 607 return 1; 608 } 609 } else { 610 if (conf_write(NULL)) { 611 fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n")); 612 exit(1); 613 } 614 } 615 return 0; 616 } 617