forked from luck/tmp_suning_uos_patched
7cf3d73b43
savedefconfig will save a minimal config to a file named "defconfig". The config symbols are saved in the same order as they appear in the menu structure so it should be possible to map them to the relevant menus if desired. The implementation was tested against several minimal configs for arm which was created using brute-force. There was one regression related to default numbers which had their valid range further limited by another symbol. Sample: config FOO int "foo" default 4 config BAR int "bar" range 0 FOO If FOO is set to 3 then BAR cannot take a value higher than 3. But the current implementation will set BAR equal to 4. This is seldomly used and the final configuration is OK, and the fix was non-trivial. So it was documented in the code and left as is. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Michal Marek <mmarek@suse.cz>
647 lines
13 KiB
C
647 lines
13 KiB
C
/*
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* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
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* Released under the terms of the GNU GPL v2.0.
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*/
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#include <locale.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#define LKC_DIRECT_LINK
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#include "lkc.h"
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static void conf(struct menu *menu);
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static void check_conf(struct menu *menu);
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enum input_mode {
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oldaskconfig,
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silentoldconfig,
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oldconfig,
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allnoconfig,
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allyesconfig,
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allmodconfig,
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alldefconfig,
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randconfig,
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defconfig,
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savedefconfig,
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listnewconfig,
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oldnoconfig,
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} input_mode = oldaskconfig;
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char *defconfig_file;
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static int indent = 1;
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static int valid_stdin = 1;
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static int sync_kconfig;
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static int conf_cnt;
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static char line[128];
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static struct menu *rootEntry;
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static void print_help(struct menu *menu)
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{
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struct gstr help = str_new();
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menu_get_ext_help(menu, &help);
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printf("\n%s\n", str_get(&help));
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str_free(&help);
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}
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static void strip(char *str)
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{
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char *p = str;
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int l;
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while ((isspace(*p)))
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p++;
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l = strlen(p);
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if (p != str)
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memmove(str, p, l + 1);
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if (!l)
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return;
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p = str + l - 1;
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while ((isspace(*p)))
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*p-- = 0;
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}
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static void check_stdin(void)
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{
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if (!valid_stdin) {
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printf(_("aborted!\n\n"));
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printf(_("Console input/output is redirected. "));
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printf(_("Run 'make oldconfig' to update configuration.\n\n"));
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exit(1);
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}
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}
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static int conf_askvalue(struct symbol *sym, const char *def)
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{
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enum symbol_type type = sym_get_type(sym);
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if (!sym_has_value(sym))
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printf(_("(NEW) "));
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line[0] = '\n';
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line[1] = 0;
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if (!sym_is_changable(sym)) {
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printf("%s\n", def);
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line[0] = '\n';
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line[1] = 0;
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return 0;
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}
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switch (input_mode) {
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case oldconfig:
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case silentoldconfig:
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if (sym_has_value(sym)) {
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printf("%s\n", def);
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return 0;
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}
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check_stdin();
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case oldaskconfig:
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fflush(stdout);
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fgets(line, 128, stdin);
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return 1;
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default:
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break;
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}
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switch (type) {
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case S_INT:
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case S_HEX:
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case S_STRING:
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printf("%s\n", def);
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return 1;
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default:
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;
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}
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printf("%s", line);
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return 1;
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}
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static int conf_string(struct menu *menu)
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{
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struct symbol *sym = menu->sym;
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const char *def;
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while (1) {
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printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
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printf("(%s) ", sym->name);
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def = sym_get_string_value(sym);
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if (sym_get_string_value(sym))
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printf("[%s] ", def);
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if (!conf_askvalue(sym, def))
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return 0;
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switch (line[0]) {
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case '\n':
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break;
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case '?':
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/* print help */
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if (line[1] == '\n') {
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print_help(menu);
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def = NULL;
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break;
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}
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default:
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line[strlen(line)-1] = 0;
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def = line;
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}
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if (def && sym_set_string_value(sym, def))
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return 0;
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}
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}
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static int conf_sym(struct menu *menu)
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{
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struct symbol *sym = menu->sym;
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tristate oldval, newval;
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while (1) {
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printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
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if (sym->name)
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printf("(%s) ", sym->name);
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putchar('[');
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oldval = sym_get_tristate_value(sym);
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switch (oldval) {
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case no:
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putchar('N');
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break;
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case mod:
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putchar('M');
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break;
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case yes:
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putchar('Y');
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break;
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}
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if (oldval != no && sym_tristate_within_range(sym, no))
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printf("/n");
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if (oldval != mod && sym_tristate_within_range(sym, mod))
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printf("/m");
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if (oldval != yes && sym_tristate_within_range(sym, yes))
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printf("/y");
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if (menu_has_help(menu))
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printf("/?");
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printf("] ");
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if (!conf_askvalue(sym, sym_get_string_value(sym)))
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return 0;
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strip(line);
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switch (line[0]) {
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case 'n':
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case 'N':
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newval = no;
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if (!line[1] || !strcmp(&line[1], "o"))
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break;
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continue;
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case 'm':
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case 'M':
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newval = mod;
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if (!line[1])
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break;
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continue;
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case 'y':
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case 'Y':
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newval = yes;
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if (!line[1] || !strcmp(&line[1], "es"))
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break;
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continue;
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case 0:
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newval = oldval;
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break;
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case '?':
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goto help;
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default:
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continue;
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}
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if (sym_set_tristate_value(sym, newval))
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return 0;
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help:
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print_help(menu);
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}
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}
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static int conf_choice(struct menu *menu)
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{
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struct symbol *sym, *def_sym;
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struct menu *child;
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bool is_new;
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sym = menu->sym;
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is_new = !sym_has_value(sym);
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if (sym_is_changable(sym)) {
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conf_sym(menu);
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sym_calc_value(sym);
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switch (sym_get_tristate_value(sym)) {
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case no:
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return 1;
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case mod:
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return 0;
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case yes:
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break;
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}
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} else {
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switch (sym_get_tristate_value(sym)) {
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case no:
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return 1;
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case mod:
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printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
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return 0;
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case yes:
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break;
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}
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}
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while (1) {
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int cnt, def;
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printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
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def_sym = sym_get_choice_value(sym);
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cnt = def = 0;
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line[0] = 0;
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for (child = menu->list; child; child = child->next) {
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if (!menu_is_visible(child))
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continue;
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if (!child->sym) {
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printf("%*c %s\n", indent, '*', _(menu_get_prompt(child)));
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continue;
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}
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cnt++;
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if (child->sym == def_sym) {
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def = cnt;
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printf("%*c", indent, '>');
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} else
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printf("%*c", indent, ' ');
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printf(" %d. %s", cnt, _(menu_get_prompt(child)));
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if (child->sym->name)
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printf(" (%s)", child->sym->name);
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if (!sym_has_value(child->sym))
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printf(_(" (NEW)"));
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printf("\n");
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}
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printf(_("%*schoice"), indent - 1, "");
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if (cnt == 1) {
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printf("[1]: 1\n");
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goto conf_childs;
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}
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printf("[1-%d", cnt);
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if (menu_has_help(menu))
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printf("?");
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printf("]: ");
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switch (input_mode) {
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case oldconfig:
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case silentoldconfig:
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if (!is_new) {
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cnt = def;
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printf("%d\n", cnt);
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break;
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}
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check_stdin();
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case oldaskconfig:
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fflush(stdout);
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fgets(line, 128, stdin);
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strip(line);
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if (line[0] == '?') {
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print_help(menu);
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continue;
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}
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if (!line[0])
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cnt = def;
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else if (isdigit(line[0]))
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cnt = atoi(line);
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else
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continue;
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break;
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default:
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break;
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}
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conf_childs:
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for (child = menu->list; child; child = child->next) {
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if (!child->sym || !menu_is_visible(child))
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continue;
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if (!--cnt)
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break;
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}
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if (!child)
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continue;
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if (line[strlen(line) - 1] == '?') {
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print_help(child);
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continue;
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}
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sym_set_choice_value(sym, child->sym);
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for (child = child->list; child; child = child->next) {
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indent += 2;
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conf(child);
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indent -= 2;
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}
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return 1;
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}
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}
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static void conf(struct menu *menu)
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{
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struct symbol *sym;
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struct property *prop;
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struct menu *child;
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if (!menu_is_visible(menu))
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return;
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sym = menu->sym;
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prop = menu->prompt;
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if (prop) {
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const char *prompt;
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switch (prop->type) {
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case P_MENU:
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if ((input_mode == silentoldconfig ||
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input_mode == listnewconfig ||
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input_mode == oldnoconfig) &&
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rootEntry != menu) {
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check_conf(menu);
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return;
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}
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case P_COMMENT:
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prompt = menu_get_prompt(menu);
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if (prompt)
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printf("%*c\n%*c %s\n%*c\n",
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indent, '*',
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indent, '*', _(prompt),
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indent, '*');
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default:
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;
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}
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}
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if (!sym)
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goto conf_childs;
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if (sym_is_choice(sym)) {
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conf_choice(menu);
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if (sym->curr.tri != mod)
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return;
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goto conf_childs;
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}
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switch (sym->type) {
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case S_INT:
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case S_HEX:
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case S_STRING:
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conf_string(menu);
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break;
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default:
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conf_sym(menu);
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break;
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}
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conf_childs:
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if (sym)
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indent += 2;
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for (child = menu->list; child; child = child->next)
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conf(child);
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if (sym)
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indent -= 2;
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}
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static void check_conf(struct menu *menu)
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{
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struct symbol *sym;
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struct menu *child;
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if (!menu_is_visible(menu))
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return;
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sym = menu->sym;
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if (sym && !sym_has_value(sym)) {
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if (sym_is_changable(sym) ||
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(sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
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if (input_mode == listnewconfig) {
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if (sym->name && !sym_is_choice_value(sym)) {
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printf("CONFIG_%s\n", sym->name);
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}
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} else {
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if (!conf_cnt++)
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printf(_("*\n* Restart config...\n*\n"));
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rootEntry = menu_get_parent_menu(menu);
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conf(rootEntry);
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}
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}
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}
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for (child = menu->list; child; child = child->next)
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check_conf(child);
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}
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static struct option long_opts[] = {
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{"oldaskconfig", no_argument, NULL, oldaskconfig},
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{"oldconfig", no_argument, NULL, oldconfig},
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{"silentoldconfig", no_argument, NULL, silentoldconfig},
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{"defconfig", optional_argument, NULL, defconfig},
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{"savedefconfig", required_argument, NULL, savedefconfig},
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{"allnoconfig", no_argument, NULL, allnoconfig},
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{"allyesconfig", no_argument, NULL, allyesconfig},
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{"allmodconfig", no_argument, NULL, allmodconfig},
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{"alldefconfig", no_argument, NULL, alldefconfig},
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{"randconfig", no_argument, NULL, randconfig},
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{"listnewconfig", no_argument, NULL, listnewconfig},
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{"oldnoconfig", no_argument, NULL, oldnoconfig},
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{NULL, 0, NULL, 0}
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};
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int main(int ac, char **av)
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{
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int opt;
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const char *name;
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struct stat tmpstat;
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setlocale(LC_ALL, "");
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bindtextdomain(PACKAGE, LOCALEDIR);
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textdomain(PACKAGE);
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while ((opt = getopt_long_only(ac, av, "", long_opts, NULL)) != -1) {
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input_mode = (enum input_mode)opt;
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switch (opt) {
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case silentoldconfig:
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sync_kconfig = 1;
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break;
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case defconfig:
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case savedefconfig:
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defconfig_file = optarg;
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break;
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case randconfig:
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{
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struct timeval now;
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unsigned int seed;
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/*
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* Use microseconds derived seed,
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* compensate for systems where it may be zero
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*/
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gettimeofday(&now, NULL);
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seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
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srand(seed);
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break;
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}
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case '?':
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fprintf(stderr, _("See README for usage info\n"));
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exit(1);
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break;
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}
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}
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if (ac == optind) {
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printf(_("%s: Kconfig file missing\n"), av[0]);
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exit(1);
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}
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name = av[optind];
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conf_parse(name);
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//zconfdump(stdout);
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if (sync_kconfig) {
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name = conf_get_configname();
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if (stat(name, &tmpstat)) {
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fprintf(stderr, _("***\n"
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"*** You have not yet configured your kernel!\n"
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"*** (missing kernel config file \"%s\")\n"
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"***\n"
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"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
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"*** \"make menuconfig\" or \"make xconfig\").\n"
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"***\n"), name);
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exit(1);
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}
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}
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switch (input_mode) {
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case defconfig:
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if (!defconfig_file)
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defconfig_file = conf_get_default_confname();
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if (conf_read(defconfig_file)) {
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printf(_("***\n"
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"*** Can't find default configuration \"%s\"!\n"
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"***\n"), defconfig_file);
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exit(1);
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}
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break;
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case savedefconfig:
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conf_read(NULL);
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break;
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case silentoldconfig:
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case oldaskconfig:
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case oldconfig:
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case listnewconfig:
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case oldnoconfig:
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conf_read(NULL);
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break;
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case allnoconfig:
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case allyesconfig:
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case allmodconfig:
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case alldefconfig:
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case randconfig:
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name = getenv("KCONFIG_ALLCONFIG");
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if (name && !stat(name, &tmpstat)) {
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conf_read_simple(name, S_DEF_USER);
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break;
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}
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switch (input_mode) {
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case allnoconfig: name = "allno.config"; break;
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case allyesconfig: name = "allyes.config"; break;
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case allmodconfig: name = "allmod.config"; break;
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case alldefconfig: name = "alldef.config"; break;
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case randconfig: name = "allrandom.config"; break;
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default: break;
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}
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if (!stat(name, &tmpstat))
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conf_read_simple(name, S_DEF_USER);
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else if (!stat("all.config", &tmpstat))
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conf_read_simple("all.config", S_DEF_USER);
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break;
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default:
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break;
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}
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|
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if (sync_kconfig) {
|
|
if (conf_get_changed()) {
|
|
name = getenv("KCONFIG_NOSILENTUPDATE");
|
|
if (name && *name) {
|
|
fprintf(stderr,
|
|
_("\n*** Kernel configuration requires explicit update.\n\n"));
|
|
return 1;
|
|
}
|
|
}
|
|
valid_stdin = isatty(0) && isatty(1) && isatty(2);
|
|
}
|
|
|
|
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:
|
|
conf_set_all_new_symbols(def_random);
|
|
break;
|
|
case defconfig:
|
|
conf_set_all_new_symbols(def_default);
|
|
break;
|
|
case savedefconfig:
|
|
break;
|
|
case oldconfig:
|
|
case oldaskconfig:
|
|
rootEntry = &rootmenu;
|
|
conf(&rootmenu);
|
|
input_mode = silentoldconfig;
|
|
/* fall through */
|
|
case listnewconfig:
|
|
case oldnoconfig:
|
|
case silentoldconfig:
|
|
/* Update until a loop caused no more changes */
|
|
do {
|
|
conf_cnt = 0;
|
|
check_conf(&rootmenu);
|
|
} while (conf_cnt &&
|
|
(input_mode != listnewconfig &&
|
|
input_mode != oldnoconfig));
|
|
break;
|
|
}
|
|
|
|
if (sync_kconfig) {
|
|
/* silentoldconfig is used during the build so we shall update autoconf.
|
|
* All other commands are only used to generate a config.
|
|
*/
|
|
if (conf_get_changed() && conf_write(NULL)) {
|
|
fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
|
|
exit(1);
|
|
}
|
|
if (conf_write_autoconf()) {
|
|
fprintf(stderr, _("\n*** Error during update of the kernel configuration.\n\n"));
|
|
return 1;
|
|
}
|
|
} else 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) {
|
|
if (conf_write(NULL)) {
|
|
fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
|
|
exit(1);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|