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 <limits.h> 9 #include <stdio.h> 10 #include <stdlib.h> 11 #include <string.h> 12 #include <time.h> 13 #include <unistd.h> 14 #include <getopt.h> 15 #include <sys/stat.h> 16 #include <sys/time.h> 17 #include <errno.h> 18 19 #include "lkc.h" 20 21 static void conf(struct menu *menu); 22 static void check_conf(struct menu *menu); 23 static void xfgets(char *str, int size, FILE *in); 24 25 enum input_mode { 26 oldaskconfig, 27 silentoldconfig, 28 oldconfig, 29 allnoconfig, 30 allyesconfig, 31 allmodconfig, 32 alldefconfig, 33 randconfig, 34 defconfig, 35 savedefconfig, 36 listnewconfig, 37 olddefconfig, 38 } input_mode = oldaskconfig; 39 40 static int indent = 1; 41 static int tty_stdio; 42 static int valid_stdin = 1; 43 static int sync_kconfig; 44 static int conf_cnt; 45 static char line[PATH_MAX]; 46 static struct menu *rootEntry; 47 48 static void print_help(struct menu *menu) 49 { 50 struct gstr help = str_new(); 51 52 menu_get_ext_help(menu, &help); 53 54 printf("\n%s\n", str_get(&help)); 55 str_free(&help); 56 } 57 58 static void strip(char *str) 59 { 60 char *p = str; 61 int l; 62 63 while ((isspace(*p))) 64 p++; 65 l = strlen(p); 66 if (p != str) 67 memmove(str, p, l + 1); 68 if (!l) 69 return; 70 p = str + l - 1; 71 while ((isspace(*p))) 72 *p-- = 0; 73 } 74 75 static void check_stdin(void) 76 { 77 if (!valid_stdin) { 78 printf(_("aborted!\n\n")); 79 printf(_("Console input/output is redirected. ")); 80 printf(_("Run 'make oldconfig' to update configuration.\n\n")); 81 exit(1); 82 } 83 } 84 85 static int conf_askvalue(struct symbol *sym, const char *def) 86 { 87 enum symbol_type type = sym_get_type(sym); 88 89 if (!sym_has_value(sym)) 90 printf(_("(NEW) ")); 91 92 line[0] = '\n'; 93 line[1] = 0; 94 95 if (!sym_is_changable(sym)) { 96 printf("%s\n", def); 97 line[0] = '\n'; 98 line[1] = 0; 99 return 0; 100 } 101 102 switch (input_mode) { 103 case oldconfig: 104 case silentoldconfig: 105 if (sym_has_value(sym)) { 106 printf("%s\n", def); 107 return 0; 108 } 109 check_stdin(); 110 /* fall through */ 111 case oldaskconfig: 112 fflush(stdout); 113 xfgets(line, sizeof(line), stdin); 114 if (!tty_stdio) 115 printf("\n"); 116 return 1; 117 default: 118 break; 119 } 120 121 switch (type) { 122 case S_INT: 123 case S_HEX: 124 case S_STRING: 125 printf("%s\n", def); 126 return 1; 127 default: 128 ; 129 } 130 printf("%s", line); 131 return 1; 132 } 133 134 static int conf_string(struct menu *menu) 135 { 136 struct symbol *sym = menu->sym; 137 const char *def; 138 139 while (1) { 140 printf("%*s%s ", indent - 1, "", _(menu->prompt->text)); 141 printf("(%s) ", sym->name); 142 def = sym_get_string_value(sym); 143 if (sym_get_string_value(sym)) 144 printf("[%s] ", def); 145 if (!conf_askvalue(sym, def)) 146 return 0; 147 switch (line[0]) { 148 case '\n': 149 break; 150 case '?': 151 /* print help */ 152 if (line[1] == '\n') { 153 print_help(menu); 154 def = NULL; 155 break; 156 } 157 /* fall through */ 158 default: 159 line[strlen(line)-1] = 0; 160 def = line; 161 } 162 if (def && sym_set_string_value(sym, def)) 163 return 0; 164 } 165 } 166 167 static int conf_sym(struct menu *menu) 168 { 169 struct symbol *sym = menu->sym; 170 tristate oldval, newval; 171 172 while (1) { 173 printf("%*s%s ", indent - 1, "", _(menu->prompt->text)); 174 if (sym->name) 175 printf("(%s) ", sym->name); 176 putchar('['); 177 oldval = sym_get_tristate_value(sym); 178 switch (oldval) { 179 case no: 180 putchar('N'); 181 break; 182 case mod: 183 putchar('M'); 184 break; 185 case yes: 186 putchar('Y'); 187 break; 188 } 189 if (oldval != no && sym_tristate_within_range(sym, no)) 190 printf("/n"); 191 if (oldval != mod && sym_tristate_within_range(sym, mod)) 192 printf("/m"); 193 if (oldval != yes && sym_tristate_within_range(sym, yes)) 194 printf("/y"); 195 if (menu_has_help(menu)) 196 printf("/?"); 197 printf("] "); 198 if (!conf_askvalue(sym, sym_get_string_value(sym))) 199 return 0; 200 strip(line); 201 202 switch (line[0]) { 203 case 'n': 204 case 'N': 205 newval = no; 206 if (!line[1] || !strcmp(&line[1], "o")) 207 break; 208 continue; 209 case 'm': 210 case 'M': 211 newval = mod; 212 if (!line[1]) 213 break; 214 continue; 215 case 'y': 216 case 'Y': 217 newval = yes; 218 if (!line[1] || !strcmp(&line[1], "es")) 219 break; 220 continue; 221 case 0: 222 newval = oldval; 223 break; 224 case '?': 225 goto help; 226 default: 227 continue; 228 } 229 if (sym_set_tristate_value(sym, newval)) 230 return 0; 231 help: 232 print_help(menu); 233 } 234 } 235 236 static int conf_choice(struct menu *menu) 237 { 238 struct symbol *sym, *def_sym; 239 struct menu *child; 240 bool is_new; 241 242 sym = menu->sym; 243 is_new = !sym_has_value(sym); 244 if (sym_is_changable(sym)) { 245 conf_sym(menu); 246 sym_calc_value(sym); 247 switch (sym_get_tristate_value(sym)) { 248 case no: 249 return 1; 250 case mod: 251 return 0; 252 case yes: 253 break; 254 } 255 } else { 256 switch (sym_get_tristate_value(sym)) { 257 case no: 258 return 1; 259 case mod: 260 printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu))); 261 return 0; 262 case yes: 263 break; 264 } 265 } 266 267 while (1) { 268 int cnt, def; 269 270 printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu))); 271 def_sym = sym_get_choice_value(sym); 272 cnt = def = 0; 273 line[0] = 0; 274 for (child = menu->list; child; child = child->next) { 275 if (!menu_is_visible(child)) 276 continue; 277 if (!child->sym) { 278 printf("%*c %s\n", indent, '*', _(menu_get_prompt(child))); 279 continue; 280 } 281 cnt++; 282 if (child->sym == def_sym) { 283 def = cnt; 284 printf("%*c", indent, '>'); 285 } else 286 printf("%*c", indent, ' '); 287 printf(" %d. %s", cnt, _(menu_get_prompt(child))); 288 if (child->sym->name) 289 printf(" (%s)", child->sym->name); 290 if (!sym_has_value(child->sym)) 291 printf(_(" (NEW)")); 292 printf("\n"); 293 } 294 printf(_("%*schoice"), indent - 1, ""); 295 if (cnt == 1) { 296 printf("[1]: 1\n"); 297 goto conf_childs; 298 } 299 printf("[1-%d", cnt); 300 if (menu_has_help(menu)) 301 printf("?"); 302 printf("]: "); 303 switch (input_mode) { 304 case oldconfig: 305 case silentoldconfig: 306 if (!is_new) { 307 cnt = def; 308 printf("%d\n", cnt); 309 break; 310 } 311 check_stdin(); 312 /* fall through */ 313 case oldaskconfig: 314 fflush(stdout); 315 xfgets(line, sizeof(line), stdin); 316 strip(line); 317 if (line[0] == '?') { 318 print_help(menu); 319 continue; 320 } 321 if (!line[0]) 322 cnt = def; 323 else if (isdigit(line[0])) 324 cnt = atoi(line); 325 else 326 continue; 327 break; 328 default: 329 break; 330 } 331 332 conf_childs: 333 for (child = menu->list; child; child = child->next) { 334 if (!child->sym || !menu_is_visible(child)) 335 continue; 336 if (!--cnt) 337 break; 338 } 339 if (!child) 340 continue; 341 if (line[0] && line[strlen(line) - 1] == '?') { 342 print_help(child); 343 continue; 344 } 345 sym_set_choice_value(sym, child->sym); 346 for (child = child->list; child; child = child->next) { 347 indent += 2; 348 conf(child); 349 indent -= 2; 350 } 351 return 1; 352 } 353 } 354 355 static void conf(struct menu *menu) 356 { 357 struct symbol *sym; 358 struct property *prop; 359 struct menu *child; 360 361 if (!menu_is_visible(menu)) 362 return; 363 364 sym = menu->sym; 365 prop = menu->prompt; 366 if (prop) { 367 const char *prompt; 368 369 switch (prop->type) { 370 case P_MENU: 371 if ((input_mode == silentoldconfig || 372 input_mode == listnewconfig || 373 input_mode == olddefconfig) && 374 rootEntry != menu) { 375 check_conf(menu); 376 return; 377 } 378 /* fall through */ 379 case P_COMMENT: 380 prompt = menu_get_prompt(menu); 381 if (prompt) 382 printf("%*c\n%*c %s\n%*c\n", 383 indent, '*', 384 indent, '*', _(prompt), 385 indent, '*'); 386 default: 387 ; 388 } 389 } 390 391 if (!sym) 392 goto conf_childs; 393 394 if (sym_is_choice(sym)) { 395 conf_choice(menu); 396 if (sym->curr.tri != mod) 397 return; 398 goto conf_childs; 399 } 400 401 switch (sym->type) { 402 case S_INT: 403 case S_HEX: 404 case S_STRING: 405 conf_string(menu); 406 break; 407 default: 408 conf_sym(menu); 409 break; 410 } 411 412 conf_childs: 413 if (sym) 414 indent += 2; 415 for (child = menu->list; child; child = child->next) 416 conf(child); 417 if (sym) 418 indent -= 2; 419 } 420 421 static void check_conf(struct menu *menu) 422 { 423 struct symbol *sym; 424 struct menu *child; 425 426 if (!menu_is_visible(menu)) 427 return; 428 429 sym = menu->sym; 430 if (sym && !sym_has_value(sym)) { 431 if (sym_is_changable(sym) || 432 (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) { 433 if (input_mode == listnewconfig) { 434 if (sym->name && !sym_is_choice_value(sym)) { 435 printf("%s%s\n", CONFIG_, sym->name); 436 } 437 } else if (input_mode != olddefconfig) { 438 if (!conf_cnt++) 439 printf(_("*\n* Restart config...\n*\n")); 440 rootEntry = menu_get_parent_menu(menu); 441 conf(rootEntry); 442 } 443 } 444 } 445 446 for (child = menu->list; child; child = child->next) 447 check_conf(child); 448 } 449 450 static struct option long_opts[] = { 451 {"oldaskconfig", no_argument, NULL, oldaskconfig}, 452 {"oldconfig", no_argument, NULL, oldconfig}, 453 {"silentoldconfig", no_argument, NULL, silentoldconfig}, 454 {"defconfig", optional_argument, NULL, defconfig}, 455 {"savedefconfig", required_argument, NULL, savedefconfig}, 456 {"allnoconfig", no_argument, NULL, allnoconfig}, 457 {"allyesconfig", no_argument, NULL, allyesconfig}, 458 {"allmodconfig", no_argument, NULL, allmodconfig}, 459 {"alldefconfig", no_argument, NULL, alldefconfig}, 460 {"randconfig", no_argument, NULL, randconfig}, 461 {"listnewconfig", no_argument, NULL, listnewconfig}, 462 {"olddefconfig", no_argument, NULL, olddefconfig}, 463 /* 464 * oldnoconfig is an alias of olddefconfig, because people already 465 * are dependent on its behavior(sets new symbols to their default 466 * value but not 'n') with the counter-intuitive name. 467 */ 468 {"oldnoconfig", no_argument, NULL, olddefconfig}, 469 {NULL, 0, NULL, 0} 470 }; 471 472 static void conf_usage(const char *progname) 473 { 474 475 printf("Usage: %s [-s] [option] <kconfig-file>\n", progname); 476 printf("[option] is _one_ of the following:\n"); 477 printf(" --listnewconfig List new options\n"); 478 printf(" --oldaskconfig Start a new configuration using a line-oriented program\n"); 479 printf(" --oldconfig Update a configuration using a provided .config as base\n"); 480 printf(" --silentoldconfig Same as oldconfig, but quietly, additionally update deps\n"); 481 printf(" --olddefconfig Same as silentoldconfig but sets new symbols to their default value\n"); 482 printf(" --oldnoconfig An alias of olddefconfig\n"); 483 printf(" --defconfig <file> New config with default defined in <file>\n"); 484 printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n"); 485 printf(" --allnoconfig New config where all options are answered with no\n"); 486 printf(" --allyesconfig New config where all options are answered with yes\n"); 487 printf(" --allmodconfig New config where all options are answered with mod\n"); 488 printf(" --alldefconfig New config with all symbols set to default\n"); 489 printf(" --randconfig New config with random answer to all options\n"); 490 } 491 492 int main(int ac, char **av) 493 { 494 const char *progname = av[0]; 495 int opt; 496 const char *name, *defconfig_file = NULL /* gcc uninit */; 497 struct stat tmpstat; 498 499 setlocale(LC_ALL, ""); 500 bindtextdomain(PACKAGE, LOCALEDIR); 501 textdomain(PACKAGE); 502 503 tty_stdio = isatty(0) && isatty(1) && isatty(2); 504 505 while ((opt = getopt_long(ac, av, "s", long_opts, NULL)) != -1) { 506 if (opt == 's') { 507 conf_set_message_callback(NULL); 508 continue; 509 } 510 input_mode = (enum input_mode)opt; 511 switch (opt) { 512 case silentoldconfig: 513 sync_kconfig = 1; 514 break; 515 case defconfig: 516 case savedefconfig: 517 defconfig_file = optarg; 518 break; 519 case randconfig: 520 { 521 struct timeval now; 522 unsigned int seed; 523 char *seed_env; 524 525 /* 526 * Use microseconds derived seed, 527 * compensate for systems where it may be zero 528 */ 529 gettimeofday(&now, NULL); 530 seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1)); 531 532 seed_env = getenv("KCONFIG_SEED"); 533 if( seed_env && *seed_env ) { 534 char *endp; 535 int tmp = (int)strtol(seed_env, &endp, 0); 536 if (*endp == '\0') { 537 seed = tmp; 538 } 539 } 540 fprintf( stderr, "KCONFIG_SEED=0x%X\n", seed ); 541 srand(seed); 542 break; 543 } 544 case oldaskconfig: 545 case oldconfig: 546 case allnoconfig: 547 case allyesconfig: 548 case allmodconfig: 549 case alldefconfig: 550 case listnewconfig: 551 case olddefconfig: 552 break; 553 case '?': 554 conf_usage(progname); 555 exit(1); 556 break; 557 } 558 } 559 if (ac == optind) { 560 printf(_("%s: Kconfig file missing\n"), av[0]); 561 conf_usage(progname); 562 exit(1); 563 } 564 name = av[optind]; 565 conf_parse(name); 566 //zconfdump(stdout); 567 if (sync_kconfig) { 568 name = conf_get_configname(); 569 if (stat(name, &tmpstat)) { 570 fprintf(stderr, _("***\n" 571 "*** Configuration file \"%s\" not found!\n" 572 "***\n" 573 "*** Please run some configurator (e.g. \"make oldconfig\" or\n" 574 "*** \"make menuconfig\" or \"make xconfig\").\n" 575 "***\n"), name); 576 exit(1); 577 } 578 } 579 580 switch (input_mode) { 581 case defconfig: 582 if (!defconfig_file) 583 defconfig_file = conf_get_default_confname(); 584 if (conf_read(defconfig_file)) { 585 printf(_("***\n" 586 "*** Can't find default configuration \"%s\"!\n" 587 "***\n"), defconfig_file); 588 exit(1); 589 } 590 break; 591 case savedefconfig: 592 case silentoldconfig: 593 case oldaskconfig: 594 case oldconfig: 595 case listnewconfig: 596 case olddefconfig: 597 conf_read(NULL); 598 break; 599 case allnoconfig: 600 case allyesconfig: 601 case allmodconfig: 602 case alldefconfig: 603 case randconfig: 604 name = getenv("KCONFIG_ALLCONFIG"); 605 if (!name) 606 break; 607 if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) { 608 if (conf_read_simple(name, S_DEF_USER)) { 609 fprintf(stderr, 610 _("*** Can't read seed configuration \"%s\"!\n"), 611 name); 612 exit(1); 613 } 614 break; 615 } 616 switch (input_mode) { 617 case allnoconfig: name = "allno.config"; break; 618 case allyesconfig: name = "allyes.config"; break; 619 case allmodconfig: name = "allmod.config"; break; 620 case alldefconfig: name = "alldef.config"; break; 621 case randconfig: name = "allrandom.config"; break; 622 default: break; 623 } 624 if (conf_read_simple(name, S_DEF_USER) && 625 conf_read_simple("all.config", S_DEF_USER)) { 626 fprintf(stderr, 627 _("*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n"), 628 name); 629 exit(1); 630 } 631 break; 632 default: 633 break; 634 } 635 636 if (sync_kconfig) { 637 if (conf_get_changed()) { 638 name = getenv("KCONFIG_NOSILENTUPDATE"); 639 if (name && *name) { 640 fprintf(stderr, 641 _("\n*** The configuration requires explicit update.\n\n")); 642 return 1; 643 } 644 } 645 valid_stdin = tty_stdio; 646 } 647 648 switch (input_mode) { 649 case allnoconfig: 650 conf_set_all_new_symbols(def_no); 651 break; 652 case allyesconfig: 653 conf_set_all_new_symbols(def_yes); 654 break; 655 case allmodconfig: 656 conf_set_all_new_symbols(def_mod); 657 break; 658 case alldefconfig: 659 conf_set_all_new_symbols(def_default); 660 break; 661 case randconfig: 662 /* Really nothing to do in this loop */ 663 while (conf_set_all_new_symbols(def_random)) ; 664 break; 665 case defconfig: 666 conf_set_all_new_symbols(def_default); 667 break; 668 case savedefconfig: 669 break; 670 case oldaskconfig: 671 rootEntry = &rootmenu; 672 conf(&rootmenu); 673 input_mode = silentoldconfig; 674 /* fall through */ 675 case oldconfig: 676 case listnewconfig: 677 case olddefconfig: 678 case silentoldconfig: 679 /* Update until a loop caused no more changes */ 680 do { 681 conf_cnt = 0; 682 check_conf(&rootmenu); 683 } while (conf_cnt && 684 (input_mode != listnewconfig && 685 input_mode != olddefconfig)); 686 break; 687 } 688 689 if (sync_kconfig) { 690 /* silentoldconfig is used during the build so we shall update autoconf. 691 * All other commands are only used to generate a config. 692 */ 693 if (conf_get_changed() && conf_write(NULL)) { 694 fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n")); 695 exit(1); 696 } 697 if (conf_write_autoconf()) { 698 fprintf(stderr, _("\n*** Error during update of the configuration.\n\n")); 699 return 1; 700 } 701 } else if (input_mode == savedefconfig) { 702 if (conf_write_defconfig(defconfig_file)) { 703 fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"), 704 defconfig_file); 705 return 1; 706 } 707 } else if (input_mode != listnewconfig) { 708 if (conf_write(NULL)) { 709 fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n")); 710 exit(1); 711 } 712 } 713 return 0; 714 } 715 716 /* 717 * Helper function to facilitate fgets() by Jean Sacren. 718 */ 719 void xfgets(char *str, int size, FILE *in) 720 { 721 if (fgets(str, size, in) == NULL) 722 fprintf(stderr, "\nError in reading or end of file.\n"); 723 } 724