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