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v3.15
  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 <getopt.h>
 14#include <sys/stat.h>
 15#include <sys/time.h>
 16#include <errno.h>
 17
 18#include "lkc.h"
 19
 20static void conf(struct menu *menu);
 21static void check_conf(struct menu *menu);
 22static void xfgets(char *str, int size, FILE *in);
 23
 24enum 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} input_mode = oldaskconfig;
 38
 39static int indent = 1;
 40static int tty_stdio;
 41static int valid_stdin = 1;
 42static int sync_kconfig;
 43static int conf_cnt;
 44static char line[128];
 45static struct menu *rootEntry;
 46
 47static 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
 57static 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
 74static void check_stdin(void)
 75{
 76	if (!valid_stdin) {
 77		printf(_("aborted!\n\n"));
 78		printf(_("Console input/output is redirected. "));
 79		printf(_("Run 'make oldconfig' to update configuration.\n\n"));
 80		exit(1);
 81	}
 82}
 83
 84static 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		check_stdin();
109		/* fall through */
110	case oldaskconfig:
111		fflush(stdout);
112		xfgets(line, 128, stdin);
113		if (!tty_stdio)
114			printf("\n");
115		return 1;
116	default:
117		break;
118	}
119
120	switch (type) {
121	case S_INT:
122	case S_HEX:
123	case S_STRING:
124		printf("%s\n", def);
125		return 1;
126	default:
127		;
128	}
129	printf("%s", line);
130	return 1;
131}
132
133static int conf_string(struct menu *menu)
134{
135	struct symbol *sym = menu->sym;
136	const char *def;
137
138	while (1) {
139		printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
140		printf("(%s) ", sym->name);
141		def = sym_get_string_value(sym);
142		if (sym_get_string_value(sym))
143			printf("[%s] ", def);
144		if (!conf_askvalue(sym, def))
145			return 0;
146		switch (line[0]) {
147		case '\n':
148			break;
149		case '?':
150			/* print help */
151			if (line[1] == '\n') {
152				print_help(menu);
153				def = NULL;
154				break;
155			}
156			/* fall through */
157		default:
158			line[strlen(line)-1] = 0;
159			def = line;
160		}
161		if (def && sym_set_string_value(sym, def))
162			return 0;
163	}
164}
165
166static int conf_sym(struct menu *menu)
167{
168	struct symbol *sym = menu->sym;
169	tristate oldval, newval;
170
171	while (1) {
172		printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
173		if (sym->name)
174			printf("(%s) ", sym->name);
175		putchar('[');
176		oldval = sym_get_tristate_value(sym);
177		switch (oldval) {
178		case no:
179			putchar('N');
180			break;
181		case mod:
182			putchar('M');
183			break;
184		case yes:
185			putchar('Y');
186			break;
187		}
188		if (oldval != no && sym_tristate_within_range(sym, no))
189			printf("/n");
190		if (oldval != mod && sym_tristate_within_range(sym, mod))
191			printf("/m");
192		if (oldval != yes && sym_tristate_within_range(sym, yes))
193			printf("/y");
194		if (menu_has_help(menu))
195			printf("/?");
196		printf("] ");
197		if (!conf_askvalue(sym, sym_get_string_value(sym)))
198			return 0;
199		strip(line);
200
201		switch (line[0]) {
202		case 'n':
203		case 'N':
204			newval = no;
205			if (!line[1] || !strcmp(&line[1], "o"))
206				break;
207			continue;
208		case 'm':
209		case 'M':
210			newval = mod;
211			if (!line[1])
212				break;
213			continue;
214		case 'y':
215		case 'Y':
216			newval = yes;
217			if (!line[1] || !strcmp(&line[1], "es"))
218				break;
219			continue;
220		case 0:
221			newval = oldval;
222			break;
223		case '?':
224			goto help;
225		default:
226			continue;
227		}
228		if (sym_set_tristate_value(sym, newval))
229			return 0;
230help:
231		print_help(menu);
232	}
233}
234
235static int conf_choice(struct menu *menu)
236{
237	struct symbol *sym, *def_sym;
238	struct menu *child;
239	bool is_new;
240
241	sym = menu->sym;
242	is_new = !sym_has_value(sym);
243	if (sym_is_changable(sym)) {
244		conf_sym(menu);
245		sym_calc_value(sym);
246		switch (sym_get_tristate_value(sym)) {
247		case no:
248			return 1;
249		case mod:
250			return 0;
251		case yes:
252			break;
253		}
254	} else {
255		switch (sym_get_tristate_value(sym)) {
256		case no:
257			return 1;
258		case mod:
259			printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
260			return 0;
261		case yes:
262			break;
263		}
264	}
265
266	while (1) {
267		int cnt, def;
268
269		printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
270		def_sym = sym_get_choice_value(sym);
271		cnt = def = 0;
272		line[0] = 0;
273		for (child = menu->list; child; child = child->next) {
274			if (!menu_is_visible(child))
275				continue;
276			if (!child->sym) {
277				printf("%*c %s\n", indent, '*', _(menu_get_prompt(child)));
278				continue;
279			}
280			cnt++;
281			if (child->sym == def_sym) {
282				def = cnt;
283				printf("%*c", indent, '>');
284			} else
285				printf("%*c", indent, ' ');
286			printf(" %d. %s", cnt, _(menu_get_prompt(child)));
287			if (child->sym->name)
288				printf(" (%s)", child->sym->name);
289			if (!sym_has_value(child->sym))
290				printf(_(" (NEW)"));
291			printf("\n");
292		}
293		printf(_("%*schoice"), indent - 1, "");
294		if (cnt == 1) {
295			printf("[1]: 1\n");
296			goto conf_childs;
297		}
298		printf("[1-%d", cnt);
299		if (menu_has_help(menu))
300			printf("?");
301		printf("]: ");
302		switch (input_mode) {
303		case oldconfig:
304		case silentoldconfig:
305			if (!is_new) {
306				cnt = def;
307				printf("%d\n", cnt);
308				break;
309			}
310			check_stdin();
311			/* fall through */
312		case oldaskconfig:
313			fflush(stdout);
314			xfgets(line, 128, stdin);
315			strip(line);
316			if (line[0] == '?') {
317				print_help(menu);
318				continue;
319			}
320			if (!line[0])
321				cnt = def;
322			else if (isdigit(line[0]))
323				cnt = atoi(line);
324			else
325				continue;
326			break;
327		default:
328			break;
329		}
330
331	conf_childs:
332		for (child = menu->list; child; child = child->next) {
333			if (!child->sym || !menu_is_visible(child))
334				continue;
335			if (!--cnt)
336				break;
337		}
338		if (!child)
339			continue;
340		if (line[0] && line[strlen(line) - 1] == '?') {
341			print_help(child);
342			continue;
343		}
344		sym_set_choice_value(sym, child->sym);
345		for (child = child->list; child; child = child->next) {
346			indent += 2;
347			conf(child);
348			indent -= 2;
349		}
350		return 1;
351	}
352}
353
354static void conf(struct menu *menu)
355{
356	struct symbol *sym;
357	struct property *prop;
358	struct menu *child;
359
360	if (!menu_is_visible(menu))
361		return;
362
363	sym = menu->sym;
364	prop = menu->prompt;
365	if (prop) {
366		const char *prompt;
367
368		switch (prop->type) {
369		case P_MENU:
370			if ((input_mode == silentoldconfig ||
371			     input_mode == listnewconfig ||
372			     input_mode == olddefconfig) &&
373			    rootEntry != menu) {
374				check_conf(menu);
375				return;
376			}
377			/* fall through */
378		case P_COMMENT:
379			prompt = menu_get_prompt(menu);
380			if (prompt)
381				printf("%*c\n%*c %s\n%*c\n",
382					indent, '*',
383					indent, '*', _(prompt),
384					indent, '*');
385		default:
386			;
387		}
388	}
389
390	if (!sym)
391		goto conf_childs;
392
393	if (sym_is_choice(sym)) {
394		conf_choice(menu);
395		if (sym->curr.tri != mod)
396			return;
397		goto conf_childs;
398	}
399
400	switch (sym->type) {
401	case S_INT:
402	case S_HEX:
403	case S_STRING:
404		conf_string(menu);
405		break;
406	default:
407		conf_sym(menu);
408		break;
409	}
410
411conf_childs:
412	if (sym)
413		indent += 2;
414	for (child = menu->list; child; child = child->next)
415		conf(child);
416	if (sym)
417		indent -= 2;
418}
419
420static void check_conf(struct menu *menu)
421{
422	struct symbol *sym;
423	struct menu *child;
424
425	if (!menu_is_visible(menu))
426		return;
427
428	sym = menu->sym;
429	if (sym && !sym_has_value(sym)) {
430		if (sym_is_changable(sym) ||
431		    (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
432			if (input_mode == listnewconfig) {
433				if (sym->name && !sym_is_choice_value(sym)) {
434					printf("%s%s\n", CONFIG_, sym->name);
435				}
436			} else if (input_mode != olddefconfig) {
437				if (!conf_cnt++)
438					printf(_("*\n* Restart config...\n*\n"));
439				rootEntry = menu_get_parent_menu(menu);
440				conf(rootEntry);
441			}
442		}
443	}
444
445	for (child = menu->list; child; child = child->next)
446		check_conf(child);
447}
448
449static struct option long_opts[] = {
450	{"oldaskconfig",    no_argument,       NULL, oldaskconfig},
451	{"oldconfig",       no_argument,       NULL, oldconfig},
452	{"silentoldconfig", no_argument,       NULL, silentoldconfig},
453	{"defconfig",       optional_argument, NULL, defconfig},
454	{"savedefconfig",   required_argument, NULL, savedefconfig},
455	{"allnoconfig",     no_argument,       NULL, allnoconfig},
456	{"allyesconfig",    no_argument,       NULL, allyesconfig},
457	{"allmodconfig",    no_argument,       NULL, allmodconfig},
458	{"alldefconfig",    no_argument,       NULL, alldefconfig},
459	{"randconfig",      no_argument,       NULL, randconfig},
460	{"listnewconfig",   no_argument,       NULL, listnewconfig},
461	{"olddefconfig",    no_argument,       NULL, olddefconfig},
462	/*
463	 * oldnoconfig is an alias of olddefconfig, because people already
464	 * are dependent on its behavior(sets new symbols to their default
465	 * value but not 'n') with the counter-intuitive name.
466	 */
467	{"oldnoconfig",     no_argument,       NULL, olddefconfig},
468	{NULL, 0, NULL, 0}
469};
470
471static void conf_usage(const char *progname)
472{
473
474	printf("Usage: %s [option] <kconfig-file>\n", progname);
475	printf("[option] is _one_ of the following:\n");
476	printf("  --listnewconfig         List new options\n");
477	printf("  --oldaskconfig          Start a new configuration using a line-oriented program\n");
478	printf("  --oldconfig             Update a configuration using a provided .config as base\n");
479	printf("  --silentoldconfig       Same as oldconfig, but quietly, additionally update deps\n");
480	printf("  --olddefconfig          Same as silentoldconfig but sets new symbols to their default value\n");
481	printf("  --oldnoconfig           An alias of olddefconfig\n");
482	printf("  --defconfig <file>      New config with default defined in <file>\n");
483	printf("  --savedefconfig <file>  Save the minimal current configuration to <file>\n");
484	printf("  --allnoconfig           New config where all options are answered with no\n");
485	printf("  --allyesconfig          New config where all options are answered with yes\n");
486	printf("  --allmodconfig          New config where all options are answered with mod\n");
487	printf("  --alldefconfig          New config with all symbols set to default\n");
488	printf("  --randconfig            New config with random answer to all options\n");
489}
490
491int main(int ac, char **av)
492{
493	const char *progname = av[0];
494	int opt;
495	const char *name, *defconfig_file = NULL /* gcc uninit */;
496	struct stat tmpstat;
497
498	setlocale(LC_ALL, "");
499	bindtextdomain(PACKAGE, LOCALEDIR);
500	textdomain(PACKAGE);
501
502	tty_stdio = isatty(0) && isatty(1) && isatty(2);
503
504	while ((opt = getopt_long(ac, av, "", long_opts, NULL)) != -1) {
 
 
 
 
505		input_mode = (enum input_mode)opt;
506		switch (opt) {
507		case silentoldconfig:
508			sync_kconfig = 1;
509			break;
510		case defconfig:
511		case savedefconfig:
512			defconfig_file = optarg;
513			break;
514		case randconfig:
515		{
516			struct timeval now;
517			unsigned int seed;
518			char *seed_env;
519
520			/*
521			 * Use microseconds derived seed,
522			 * compensate for systems where it may be zero
523			 */
524			gettimeofday(&now, NULL);
525			seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
526
527			seed_env = getenv("KCONFIG_SEED");
528			if( seed_env && *seed_env ) {
529				char *endp;
530				int tmp = (int)strtol(seed_env, &endp, 0);
531				if (*endp == '\0') {
532					seed = tmp;
533				}
534			}
535			fprintf( stderr, "KCONFIG_SEED=0x%X\n", seed );
536			srand(seed);
537			break;
538		}
539		case oldaskconfig:
540		case oldconfig:
541		case allnoconfig:
542		case allyesconfig:
543		case allmodconfig:
544		case alldefconfig:
545		case listnewconfig:
546		case olddefconfig:
547			break;
548		case '?':
549			conf_usage(progname);
550			exit(1);
551			break;
552		}
553	}
554	if (ac == optind) {
555		printf(_("%s: Kconfig file missing\n"), av[0]);
556		conf_usage(progname);
557		exit(1);
558	}
559	name = av[optind];
560	conf_parse(name);
561	//zconfdump(stdout);
562	if (sync_kconfig) {
563		name = conf_get_configname();
564		if (stat(name, &tmpstat)) {
565			fprintf(stderr, _("***\n"
566				"*** Configuration file \"%s\" not found!\n"
567				"***\n"
568				"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
569				"*** \"make menuconfig\" or \"make xconfig\").\n"
570				"***\n"), name);
571			exit(1);
572		}
573	}
574
575	switch (input_mode) {
576	case defconfig:
577		if (!defconfig_file)
578			defconfig_file = conf_get_default_confname();
579		if (conf_read(defconfig_file)) {
580			printf(_("***\n"
581				"*** Can't find default configuration \"%s\"!\n"
582				"***\n"), defconfig_file);
583			exit(1);
584		}
585		break;
586	case savedefconfig:
587	case silentoldconfig:
588	case oldaskconfig:
589	case oldconfig:
590	case listnewconfig:
591	case olddefconfig:
592		conf_read(NULL);
593		break;
594	case allnoconfig:
595	case allyesconfig:
596	case allmodconfig:
597	case alldefconfig:
598	case randconfig:
599		name = getenv("KCONFIG_ALLCONFIG");
600		if (!name)
601			break;
602		if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) {
603			if (conf_read_simple(name, S_DEF_USER)) {
604				fprintf(stderr,
605					_("*** Can't read seed configuration \"%s\"!\n"),
606					name);
607				exit(1);
608			}
609			break;
610		}
611		switch (input_mode) {
612		case allnoconfig:	name = "allno.config"; break;
613		case allyesconfig:	name = "allyes.config"; break;
614		case allmodconfig:	name = "allmod.config"; break;
615		case alldefconfig:	name = "alldef.config"; break;
616		case randconfig:	name = "allrandom.config"; break;
617		default: break;
618		}
619		if (conf_read_simple(name, S_DEF_USER) &&
620		    conf_read_simple("all.config", S_DEF_USER)) {
621			fprintf(stderr,
622				_("*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n"),
623				name);
624			exit(1);
625		}
626		break;
627	default:
628		break;
629	}
630
631	if (sync_kconfig) {
632		if (conf_get_changed()) {
633			name = getenv("KCONFIG_NOSILENTUPDATE");
634			if (name && *name) {
635				fprintf(stderr,
636					_("\n*** The configuration requires explicit update.\n\n"));
637				return 1;
638			}
639		}
640		valid_stdin = tty_stdio;
641	}
642
643	switch (input_mode) {
644	case allnoconfig:
645		conf_set_all_new_symbols(def_no);
646		break;
647	case allyesconfig:
648		conf_set_all_new_symbols(def_yes);
649		break;
650	case allmodconfig:
651		conf_set_all_new_symbols(def_mod);
652		break;
653	case alldefconfig:
654		conf_set_all_new_symbols(def_default);
655		break;
656	case randconfig:
657		/* Really nothing to do in this loop */
658		while (conf_set_all_new_symbols(def_random)) ;
659		break;
660	case defconfig:
661		conf_set_all_new_symbols(def_default);
662		break;
663	case savedefconfig:
664		break;
665	case oldaskconfig:
666		rootEntry = &rootmenu;
667		conf(&rootmenu);
668		input_mode = silentoldconfig;
669		/* fall through */
670	case oldconfig:
671	case listnewconfig:
672	case olddefconfig:
673	case silentoldconfig:
674		/* Update until a loop caused no more changes */
675		do {
676			conf_cnt = 0;
677			check_conf(&rootmenu);
678		} while (conf_cnt &&
679			 (input_mode != listnewconfig &&
680			  input_mode != olddefconfig));
681		break;
682	}
683
684	if (sync_kconfig) {
685		/* silentoldconfig is used during the build so we shall update autoconf.
686		 * All other commands are only used to generate a config.
687		 */
688		if (conf_get_changed() && conf_write(NULL)) {
689			fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
690			exit(1);
691		}
692		if (conf_write_autoconf()) {
693			fprintf(stderr, _("\n*** Error during update of the configuration.\n\n"));
694			return 1;
695		}
696	} else if (input_mode == savedefconfig) {
697		if (conf_write_defconfig(defconfig_file)) {
698			fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"),
699			        defconfig_file);
700			return 1;
701		}
702	} else if (input_mode != listnewconfig) {
703		if (conf_write(NULL)) {
704			fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
705			exit(1);
706		}
707	}
708	return 0;
709}
710
711/*
712 * Helper function to facilitate fgets() by Jean Sacren.
713 */
714void xfgets(char *str, int size, FILE *in)
715{
716	if (fgets(str, size, in) == NULL)
717		fprintf(stderr, "\nError in reading or end of file.\n");
718}
v4.6
  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
 21static void conf(struct menu *menu);
 22static void check_conf(struct menu *menu);
 23static void xfgets(char *str, int size, FILE *in);
 24
 25enum 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
 40static int indent = 1;
 41static int tty_stdio;
 42static int valid_stdin = 1;
 43static int sync_kconfig;
 44static int conf_cnt;
 45static char line[PATH_MAX];
 46static struct menu *rootEntry;
 47
 48static 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
 58static 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
 75static 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
 85static 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
134static 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
167static 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;
231help:
232		print_help(menu);
233	}
234}
235
236static 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
355static 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
412conf_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
421static 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
450static 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
472static 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
492int 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 */
719void 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}