| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> |
| */ |
| |
| #include <ctype.h> |
| #include <limits.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <time.h> |
| #include <unistd.h> |
| #include <getopt.h> |
| #include <sys/time.h> |
| #include <errno.h> |
| |
| #include "lkc.h" |
| |
| static void conf(struct menu *menu); |
| static void check_conf(struct menu *menu); |
| |
| enum input_mode { |
| oldaskconfig, |
| syncconfig, |
| oldconfig, |
| allnoconfig, |
| allyesconfig, |
| allmodconfig, |
| alldefconfig, |
| randconfig, |
| defconfig, |
| savedefconfig, |
| listnewconfig, |
| helpnewconfig, |
| olddefconfig, |
| yes2modconfig, |
| mod2yesconfig, |
| mod2noconfig, |
| }; |
| static enum input_mode input_mode = oldaskconfig; |
| static int input_mode_opt; |
| static int indent = 1; |
| static int tty_stdio; |
| static int sync_kconfig; |
| static int conf_cnt; |
| static char line[PATH_MAX]; |
| static struct menu *rootEntry; |
| |
| static void print_help(struct menu *menu) |
| { |
| struct gstr help = str_new(); |
| |
| menu_get_ext_help(menu, &help); |
| |
| printf("\n%s\n", str_get(&help)); |
| str_free(&help); |
| } |
| |
| static void strip(char *str) |
| { |
| char *p = str; |
| int l; |
| |
| while ((isspace(*p))) |
| p++; |
| l = strlen(p); |
| if (p != str) |
| memmove(str, p, l + 1); |
| if (!l) |
| return; |
| p = str + l - 1; |
| while ((isspace(*p))) |
| *p-- = 0; |
| } |
| |
| /* Helper function to facilitate fgets() by Jean Sacren. */ |
| static void xfgets(char *str, int size, FILE *in) |
| { |
| if (!fgets(str, size, in)) |
| fprintf(stderr, "\nError in reading or end of file.\n"); |
| |
| if (!tty_stdio) |
| printf("%s", str); |
| } |
| |
| static void set_randconfig_seed(void) |
| { |
| unsigned int seed; |
| char *env; |
| bool seed_set = false; |
| |
| env = getenv("KCONFIG_SEED"); |
| if (env && *env) { |
| char *endp; |
| |
| seed = strtol(env, &endp, 0); |
| if (*endp == '\0') |
| seed_set = true; |
| } |
| |
| if (!seed_set) { |
| struct timeval now; |
| |
| /* |
| * Use microseconds derived seed, compensate for systems where it may |
| * be zero. |
| */ |
| gettimeofday(&now, NULL); |
| seed = (now.tv_sec + 1) * (now.tv_usec + 1); |
| } |
| |
| printf("KCONFIG_SEED=0x%X\n", seed); |
| srand(seed); |
| } |
| |
| static bool randomize_choice_values(struct symbol *csym) |
| { |
| struct property *prop; |
| struct symbol *sym; |
| struct expr *e; |
| int cnt, def; |
| |
| /* |
| * If choice is mod then we may have more items selected |
| * and if no then no-one. |
| * In both cases stop. |
| */ |
| if (csym->curr.tri != yes) |
| return false; |
| |
| prop = sym_get_choice_prop(csym); |
| |
| /* count entries in choice block */ |
| cnt = 0; |
| expr_list_for_each_sym(prop->expr, e, sym) |
| cnt++; |
| |
| /* |
| * find a random value and set it to yes, |
| * set the rest to no so we have only one set |
| */ |
| def = rand() % cnt; |
| |
| cnt = 0; |
| expr_list_for_each_sym(prop->expr, e, sym) { |
| if (def == cnt++) { |
| sym->def[S_DEF_USER].tri = yes; |
| csym->def[S_DEF_USER].val = sym; |
| } else { |
| sym->def[S_DEF_USER].tri = no; |
| } |
| sym->flags |= SYMBOL_DEF_USER; |
| /* clear VALID to get value calculated */ |
| sym->flags &= ~SYMBOL_VALID; |
| } |
| csym->flags |= SYMBOL_DEF_USER; |
| /* clear VALID to get value calculated */ |
| csym->flags &= ~SYMBOL_VALID; |
| |
| return true; |
| } |
| |
| enum conf_def_mode { |
| def_default, |
| def_yes, |
| def_mod, |
| def_no, |
| def_random |
| }; |
| |
| static bool conf_set_all_new_symbols(enum conf_def_mode mode) |
| { |
| struct symbol *sym, *csym; |
| int i, cnt; |
| /* |
| * can't go as the default in switch-case below, otherwise gcc whines |
| * about -Wmaybe-uninitialized |
| */ |
| int pby = 50; /* probability of bool = y */ |
| int pty = 33; /* probability of tristate = y */ |
| int ptm = 33; /* probability of tristate = m */ |
| bool has_changed = false; |
| |
| if (mode == def_random) { |
| int n, p[3]; |
| char *env = getenv("KCONFIG_PROBABILITY"); |
| |
| n = 0; |
| while (env && *env) { |
| char *endp; |
| int tmp = strtol(env, &endp, 10); |
| |
| if (tmp >= 0 && tmp <= 100) { |
| p[n++] = tmp; |
| } else { |
| errno = ERANGE; |
| perror("KCONFIG_PROBABILITY"); |
| exit(1); |
| } |
| env = (*endp == ':') ? endp + 1 : endp; |
| if (n >= 3) |
| break; |
| } |
| switch (n) { |
| case 1: |
| pby = p[0]; |
| ptm = pby / 2; |
| pty = pby - ptm; |
| break; |
| case 2: |
| pty = p[0]; |
| ptm = p[1]; |
| pby = pty + ptm; |
| break; |
| case 3: |
| pby = p[0]; |
| pty = p[1]; |
| ptm = p[2]; |
| break; |
| } |
| |
| if (pty + ptm > 100) { |
| errno = ERANGE; |
| perror("KCONFIG_PROBABILITY"); |
| exit(1); |
| } |
| } |
| |
| for_all_symbols(i, sym) { |
| if (sym_has_value(sym) || sym->flags & SYMBOL_VALID) |
| continue; |
| switch (sym_get_type(sym)) { |
| case S_BOOLEAN: |
| case S_TRISTATE: |
| has_changed = true; |
| switch (mode) { |
| case def_yes: |
| sym->def[S_DEF_USER].tri = yes; |
| break; |
| case def_mod: |
| sym->def[S_DEF_USER].tri = mod; |
| break; |
| case def_no: |
| sym->def[S_DEF_USER].tri = no; |
| break; |
| case def_random: |
| sym->def[S_DEF_USER].tri = no; |
| cnt = rand() % 100; |
| if (sym->type == S_TRISTATE) { |
| if (cnt < pty) |
| sym->def[S_DEF_USER].tri = yes; |
| else if (cnt < pty + ptm) |
| sym->def[S_DEF_USER].tri = mod; |
| } else if (cnt < pby) |
| sym->def[S_DEF_USER].tri = yes; |
| break; |
| default: |
| continue; |
| } |
| if (!(sym_is_choice(sym) && mode == def_random)) |
| sym->flags |= SYMBOL_DEF_USER; |
| break; |
| default: |
| break; |
| } |
| |
| } |
| |
| sym_clear_all_valid(); |
| |
| /* |
| * We have different type of choice blocks. |
| * If curr.tri equals to mod then we can select several |
| * choice symbols in one block. |
| * In this case we do nothing. |
| * If curr.tri equals yes then only one symbol can be |
| * selected in a choice block and we set it to yes, |
| * and the rest to no. |
| */ |
| if (mode != def_random) { |
| for_all_symbols(i, csym) { |
| if ((sym_is_choice(csym) && !sym_has_value(csym)) || |
| sym_is_choice_value(csym)) |
| csym->flags |= SYMBOL_NEED_SET_CHOICE_VALUES; |
| } |
| } |
| |
| for_all_symbols(i, csym) { |
| if (sym_has_value(csym) || !sym_is_choice(csym)) |
| continue; |
| |
| sym_calc_value(csym); |
| if (mode == def_random) |
| has_changed |= randomize_choice_values(csym); |
| else { |
| set_all_choice_values(csym); |
| has_changed = true; |
| } |
| } |
| |
| return has_changed; |
| } |
| |
| static void conf_rewrite_tristates(tristate old_val, tristate new_val) |
| { |
| struct symbol *sym; |
| int i; |
| |
| for_all_symbols(i, sym) { |
| if (sym_get_type(sym) == S_TRISTATE && |
| sym->def[S_DEF_USER].tri == old_val) |
| sym->def[S_DEF_USER].tri = new_val; |
| } |
| sym_clear_all_valid(); |
| } |
| |
| static int conf_askvalue(struct symbol *sym, const char *def) |
| { |
| if (!sym_has_value(sym)) |
| printf("(NEW) "); |
| |
| line[0] = '\n'; |
| line[1] = 0; |
| |
| if (!sym_is_changeable(sym)) { |
| printf("%s\n", def); |
| line[0] = '\n'; |
| line[1] = 0; |
| return 0; |
| } |
| |
| switch (input_mode) { |
| case oldconfig: |
| case syncconfig: |
| if (sym_has_value(sym)) { |
| printf("%s\n", def); |
| return 0; |
| } |
| /* fall through */ |
| default: |
| fflush(stdout); |
| xfgets(line, sizeof(line), stdin); |
| break; |
| } |
| |
| return 1; |
| } |
| |
| static int conf_string(struct menu *menu) |
| { |
| struct symbol *sym = menu->sym; |
| const char *def; |
| |
| while (1) { |
| printf("%*s%s ", indent - 1, "", menu->prompt->text); |
| printf("(%s) ", sym->name); |
| def = sym_get_string_value(sym); |
| if (def) |
| printf("[%s] ", def); |
| if (!conf_askvalue(sym, def)) |
| return 0; |
| switch (line[0]) { |
| case '\n': |
| break; |
| case '?': |
| /* print help */ |
| if (line[1] == '\n') { |
| print_help(menu); |
| def = NULL; |
| break; |
| } |
| /* fall through */ |
| default: |
| line[strlen(line)-1] = 0; |
| def = line; |
| } |
| if (def && sym_set_string_value(sym, def)) |
| return 0; |
| } |
| } |
| |
| static int conf_sym(struct menu *menu) |
| { |
| struct symbol *sym = menu->sym; |
| tristate oldval, newval; |
| |
| while (1) { |
| printf("%*s%s ", indent - 1, "", menu->prompt->text); |
| if (sym->name) |
| printf("(%s) ", sym->name); |
| putchar('['); |
| oldval = sym_get_tristate_value(sym); |
| switch (oldval) { |
| case no: |
| putchar('N'); |
| break; |
| case mod: |
| putchar('M'); |
| break; |
| case yes: |
| putchar('Y'); |
| break; |
| } |
| if (oldval != no && sym_tristate_within_range(sym, no)) |
| printf("/n"); |
| if (oldval != mod && sym_tristate_within_range(sym, mod)) |
| printf("/m"); |
| if (oldval != yes && sym_tristate_within_range(sym, yes)) |
| printf("/y"); |
| printf("/?] "); |
| if (!conf_askvalue(sym, sym_get_string_value(sym))) |
| return 0; |
| strip(line); |
| |
| switch (line[0]) { |
| case 'n': |
| case 'N': |
| newval = no; |
| if (!line[1] || !strcmp(&line[1], "o")) |
| break; |
| continue; |
| case 'm': |
| case 'M': |
| newval = mod; |
| if (!line[1]) |
| break; |
| continue; |
| case 'y': |
| case 'Y': |
| newval = yes; |
| if (!line[1] || !strcmp(&line[1], "es")) |
| break; |
| continue; |
| case 0: |
| newval = oldval; |
| break; |
| case '?': |
| goto help; |
| default: |
| continue; |
| } |
| if (sym_set_tristate_value(sym, newval)) |
| return 0; |
| help: |
| print_help(menu); |
| } |
| } |
| |
| static int conf_choice(struct menu *menu) |
| { |
| struct symbol *sym, *def_sym; |
| struct menu *child; |
| bool is_new; |
| |
| sym = menu->sym; |
| is_new = !sym_has_value(sym); |
| if (sym_is_changeable(sym)) { |
| conf_sym(menu); |
| sym_calc_value(sym); |
| switch (sym_get_tristate_value(sym)) { |
| case no: |
| return 1; |
| case mod: |
| return 0; |
| case yes: |
| break; |
| } |
| } else { |
| switch (sym_get_tristate_value(sym)) { |
| case no: |
| return 1; |
| case mod: |
| printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu)); |
| return 0; |
| case yes: |
| break; |
| } |
| } |
| |
| while (1) { |
| int cnt, def; |
| |
| printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu)); |
| def_sym = sym_get_choice_value(sym); |
| cnt = def = 0; |
| line[0] = 0; |
| for (child = menu->list; child; child = child->next) { |
| if (!menu_is_visible(child)) |
| continue; |
| if (!child->sym) { |
| printf("%*c %s\n", indent, '*', menu_get_prompt(child)); |
| continue; |
| } |
| cnt++; |
| if (child->sym == def_sym) { |
| def = cnt; |
| printf("%*c", indent, '>'); |
| } else |
| printf("%*c", indent, ' '); |
| printf(" %d. %s", cnt, menu_get_prompt(child)); |
| if (child->sym->name) |
| printf(" (%s)", child->sym->name); |
| if (!sym_has_value(child->sym)) |
| printf(" (NEW)"); |
| printf("\n"); |
| } |
| printf("%*schoice", indent - 1, ""); |
| if (cnt == 1) { |
| printf("[1]: 1\n"); |
| goto conf_childs; |
| } |
| printf("[1-%d?]: ", cnt); |
| switch (input_mode) { |
| case oldconfig: |
| case syncconfig: |
| if (!is_new) { |
| cnt = def; |
| printf("%d\n", cnt); |
| break; |
| } |
| /* fall through */ |
| case oldaskconfig: |
| fflush(stdout); |
| xfgets(line, sizeof(line), stdin); |
| strip(line); |
| if (line[0] == '?') { |
| print_help(menu); |
| continue; |
| } |
| if (!line[0]) |
| cnt = def; |
| else if (isdigit(line[0])) |
| cnt = atoi(line); |
| else |
| continue; |
| break; |
| default: |
| break; |
| } |
| |
| conf_childs: |
| for (child = menu->list; child; child = child->next) { |
| if (!child->sym || !menu_is_visible(child)) |
| continue; |
| if (!--cnt) |
| break; |
| } |
| if (!child) |
| continue; |
| if (line[0] && line[strlen(line) - 1] == '?') { |
| print_help(child); |
| continue; |
| } |
| sym_set_choice_value(sym, child->sym); |
| for (child = child->list; child; child = child->next) { |
| indent += 2; |
| conf(child); |
| indent -= 2; |
| } |
| return 1; |
| } |
| } |
| |
| static void conf(struct menu *menu) |
| { |
| struct symbol *sym; |
| struct property *prop; |
| struct menu *child; |
| |
| if (!menu_is_visible(menu)) |
| return; |
| |
| sym = menu->sym; |
| prop = menu->prompt; |
| if (prop) { |
| const char *prompt; |
| |
| switch (prop->type) { |
| case P_MENU: |
| /* |
| * Except in oldaskconfig mode, we show only menus that |
| * contain new symbols. |
| */ |
| if (input_mode != oldaskconfig && rootEntry != menu) { |
| check_conf(menu); |
| return; |
| } |
| /* fall through */ |
| case P_COMMENT: |
| prompt = menu_get_prompt(menu); |
| if (prompt) |
| printf("%*c\n%*c %s\n%*c\n", |
| indent, '*', |
| indent, '*', prompt, |
| indent, '*'); |
| default: |
| ; |
| } |
| } |
| |
| if (!sym) |
| goto conf_childs; |
| |
| if (sym_is_choice(sym)) { |
| conf_choice(menu); |
| if (sym->curr.tri != mod) |
| return; |
| goto conf_childs; |
| } |
| |
| switch (sym->type) { |
| case S_INT: |
| case S_HEX: |
| case S_STRING: |
| conf_string(menu); |
| break; |
| default: |
| conf_sym(menu); |
| break; |
| } |
| |
| conf_childs: |
| if (sym) |
| indent += 2; |
| for (child = menu->list; child; child = child->next) |
| conf(child); |
| if (sym) |
| indent -= 2; |
| } |
| |
| static void check_conf(struct menu *menu) |
| { |
| struct symbol *sym; |
| struct menu *child; |
| |
| if (!menu_is_visible(menu)) |
| return; |
| |
| sym = menu->sym; |
| if (sym && !sym_has_value(sym) && |
| (sym_is_changeable(sym) || |
| (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes))) { |
| |
| switch (input_mode) { |
| case listnewconfig: |
| if (sym->name) |
| print_symbol_for_listconfig(sym); |
| break; |
| case helpnewconfig: |
| printf("-----\n"); |
| print_help(menu); |
| printf("-----\n"); |
| break; |
| default: |
| if (!conf_cnt++) |
| printf("*\n* Restart config...\n*\n"); |
| rootEntry = menu_get_parent_menu(menu); |
| conf(rootEntry); |
| break; |
| } |
| } |
| |
| for (child = menu->list; child; child = child->next) |
| check_conf(child); |
| } |
| |
| static const struct option long_opts[] = { |
| {"help", no_argument, NULL, 'h'}, |
| {"silent", no_argument, NULL, 's'}, |
| {"oldaskconfig", no_argument, &input_mode_opt, oldaskconfig}, |
| {"oldconfig", no_argument, &input_mode_opt, oldconfig}, |
| {"syncconfig", no_argument, &input_mode_opt, syncconfig}, |
| {"defconfig", required_argument, &input_mode_opt, defconfig}, |
| {"savedefconfig", required_argument, &input_mode_opt, savedefconfig}, |
| {"allnoconfig", no_argument, &input_mode_opt, allnoconfig}, |
| {"allyesconfig", no_argument, &input_mode_opt, allyesconfig}, |
| {"allmodconfig", no_argument, &input_mode_opt, allmodconfig}, |
| {"alldefconfig", no_argument, &input_mode_opt, alldefconfig}, |
| {"randconfig", no_argument, &input_mode_opt, randconfig}, |
| {"listnewconfig", no_argument, &input_mode_opt, listnewconfig}, |
| {"helpnewconfig", no_argument, &input_mode_opt, helpnewconfig}, |
| {"olddefconfig", no_argument, &input_mode_opt, olddefconfig}, |
| {"yes2modconfig", no_argument, &input_mode_opt, yes2modconfig}, |
| {"mod2yesconfig", no_argument, &input_mode_opt, mod2yesconfig}, |
| {"mod2noconfig", no_argument, &input_mode_opt, mod2noconfig}, |
| {NULL, 0, NULL, 0} |
| }; |
| |
| static void conf_usage(const char *progname) |
| { |
| printf("Usage: %s [options] <kconfig-file>\n", progname); |
| printf("\n"); |
| printf("Generic options:\n"); |
| printf(" -h, --help Print this message and exit.\n"); |
| printf(" -s, --silent Do not print log.\n"); |
| printf("\n"); |
| printf("Mode options:\n"); |
| printf(" --listnewconfig List new options\n"); |
| printf(" --helpnewconfig List new options and help text\n"); |
| printf(" --oldaskconfig Start a new configuration using a line-oriented program\n"); |
| printf(" --oldconfig Update a configuration using a provided .config as base\n"); |
| printf(" --syncconfig Similar to oldconfig but generates configuration in\n" |
| " include/{generated/,config/}\n"); |
| printf(" --olddefconfig Same as oldconfig but sets new symbols to their default value\n"); |
| printf(" --defconfig <file> New config with default defined in <file>\n"); |
| printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n"); |
| printf(" --allnoconfig New config where all options are answered with no\n"); |
| printf(" --allyesconfig New config where all options are answered with yes\n"); |
| printf(" --allmodconfig New config where all options are answered with mod\n"); |
| printf(" --alldefconfig New config with all symbols set to default\n"); |
| printf(" --randconfig New config with random answer to all options\n"); |
| printf(" --yes2modconfig Change answers from yes to mod if possible\n"); |
| printf(" --mod2yesconfig Change answers from mod to yes if possible\n"); |
| printf(" --mod2noconfig Change answers from mod to no if possible\n"); |
| printf(" (If none of the above is given, --oldaskconfig is the default)\n"); |
| } |
| |
| int main(int ac, char **av) |
| { |
| const char *progname = av[0]; |
| int opt; |
| const char *name, *defconfig_file = NULL /* gcc uninit */; |
| int no_conf_write = 0; |
| |
| tty_stdio = isatty(0) && isatty(1); |
| |
| while ((opt = getopt_long(ac, av, "hs", long_opts, NULL)) != -1) { |
| switch (opt) { |
| case 'h': |
| conf_usage(progname); |
| exit(1); |
| break; |
| case 's': |
| conf_set_message_callback(NULL); |
| break; |
| case 0: |
| input_mode = input_mode_opt; |
| switch (input_mode) { |
| case syncconfig: |
| /* |
| * syncconfig is invoked during the build stage. |
| * Suppress distracting |
| * "configuration written to ..." |
| */ |
| conf_set_message_callback(NULL); |
| sync_kconfig = 1; |
| break; |
| case defconfig: |
| case savedefconfig: |
| defconfig_file = optarg; |
| break; |
| case randconfig: |
| set_randconfig_seed(); |
| break; |
| default: |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| if (ac == optind) { |
| fprintf(stderr, "%s: Kconfig file missing\n", av[0]); |
| conf_usage(progname); |
| exit(1); |
| } |
| conf_parse(av[optind]); |
| //zconfdump(stdout); |
| |
| switch (input_mode) { |
| case defconfig: |
| if (conf_read(defconfig_file)) { |
| fprintf(stderr, |
| "***\n" |
| "*** Can't find default configuration \"%s\"!\n" |
| "***\n", |
| defconfig_file); |
| exit(1); |
| } |
| break; |
| case savedefconfig: |
| case syncconfig: |
| case oldaskconfig: |
| case oldconfig: |
| case listnewconfig: |
| case helpnewconfig: |
| case olddefconfig: |
| case yes2modconfig: |
| case mod2yesconfig: |
| case mod2noconfig: |
| conf_read(NULL); |
| break; |
| case allnoconfig: |
| case allyesconfig: |
| case allmodconfig: |
| case alldefconfig: |
| case randconfig: |
| name = getenv("KCONFIG_ALLCONFIG"); |
| if (!name) |
| break; |
| if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) { |
| if (conf_read_simple(name, S_DEF_USER)) { |
| fprintf(stderr, |
| "*** Can't read seed configuration \"%s\"!\n", |
| name); |
| exit(1); |
| } |
| break; |
| } |
| switch (input_mode) { |
| case allnoconfig: name = "allno.config"; break; |
| case allyesconfig: name = "allyes.config"; break; |
| case allmodconfig: name = "allmod.config"; break; |
| case alldefconfig: name = "alldef.config"; break; |
| case randconfig: name = "allrandom.config"; break; |
| default: break; |
| } |
| if (conf_read_simple(name, S_DEF_USER) && |
| conf_read_simple("all.config", S_DEF_USER)) { |
| fprintf(stderr, |
| "*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n", |
| name); |
| exit(1); |
| } |
| break; |
| default: |
| break; |
| } |
| |
| if (sync_kconfig) { |
| name = getenv("KCONFIG_NOSILENTUPDATE"); |
| if (name && *name) { |
| if (conf_get_changed()) { |
| fprintf(stderr, |
| "\n*** The configuration requires explicit update.\n\n"); |
| return 1; |
| } |
| no_conf_write = 1; |
| } |
| } |
| |
| switch (input_mode) { |
| case allnoconfig: |
| conf_set_all_new_symbols(def_no); |
| break; |
| case allyesconfig: |
| conf_set_all_new_symbols(def_yes); |
| break; |
| case allmodconfig: |
| conf_set_all_new_symbols(def_mod); |
| break; |
| case alldefconfig: |
| conf_set_all_new_symbols(def_default); |
| break; |
| case randconfig: |
| /* Really nothing to do in this loop */ |
| while (conf_set_all_new_symbols(def_random)) ; |
| break; |
| case defconfig: |
| conf_set_all_new_symbols(def_default); |
| break; |
| case savedefconfig: |
| break; |
| case yes2modconfig: |
| conf_rewrite_tristates(yes, mod); |
| break; |
| case mod2yesconfig: |
| conf_rewrite_tristates(mod, yes); |
| break; |
| case mod2noconfig: |
| conf_rewrite_tristates(mod, no); |
| break; |
| case oldaskconfig: |
| rootEntry = &rootmenu; |
| conf(&rootmenu); |
| input_mode = oldconfig; |
| /* fall through */ |
| case oldconfig: |
| case listnewconfig: |
| case helpnewconfig: |
| case syncconfig: |
| /* Update until a loop caused no more changes */ |
| do { |
| conf_cnt = 0; |
| check_conf(&rootmenu); |
| } while (conf_cnt); |
| break; |
| case olddefconfig: |
| default: |
| break; |
| } |
| |
| if (input_mode == savedefconfig) { |
| if (conf_write_defconfig(defconfig_file)) { |
| fprintf(stderr, "n*** Error while saving defconfig to: %s\n\n", |
| defconfig_file); |
| return 1; |
| } |
| } else if (input_mode != listnewconfig && input_mode != helpnewconfig) { |
| if (!no_conf_write && conf_write(NULL)) { |
| fprintf(stderr, "\n*** Error during writing of the configuration.\n\n"); |
| exit(1); |
| } |
| |
| /* |
| * Create auto.conf if it does not exist. |
| * This prevents GNU Make 4.1 or older from emitting |
| * "include/config/auto.conf: No such file or directory" |
| * in the top-level Makefile |
| * |
| * syncconfig always creates or updates auto.conf because it is |
| * used during the build. |
| */ |
| if (conf_write_autoconf(sync_kconfig) && sync_kconfig) { |
| fprintf(stderr, |
| "\n*** Error during sync of the configuration.\n\n"); |
| return 1; |
| } |
| } |
| return 0; |
| } |