703 строки
15 KiB
C
703 строки
15 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
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*/
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#include <ctype.h>
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#include <limits.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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#include <errno.h>
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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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syncconfig,
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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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olddefconfig,
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};
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static enum input_mode input_mode = oldaskconfig;
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static int indent = 1;
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static int tty_stdio;
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static int sync_kconfig;
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static int conf_cnt;
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static char line[PATH_MAX];
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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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/* Helper function to facilitate fgets() by Jean Sacren. */
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static void xfgets(char *str, int size, FILE *in)
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{
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if (!fgets(str, size, in))
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fprintf(stderr, "\nError in reading or end of file.\n");
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if (!tty_stdio)
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printf("%s", str);
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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 syncconfig:
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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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/* fall through */
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case oldaskconfig:
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fflush(stdout);
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xfgets(line, sizeof(line), 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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/* fall through */
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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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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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switch (input_mode) {
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case oldconfig:
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case syncconfig:
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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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/* fall through */
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case oldaskconfig:
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fflush(stdout);
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xfgets(line, sizeof(line), 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[0] && 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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/*
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* Except in oldaskconfig mode, we show only menus that
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* contain new symbols.
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*/
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if (input_mode != oldaskconfig && rootEntry != menu) {
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check_conf(menu);
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return;
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}
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/* fall through */
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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) {
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const char *str;
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if (sym->type == S_STRING) {
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str = sym_get_string_value(sym);
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str = sym_escape_string_value(str);
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printf("%s%s=%s\n", CONFIG_, sym->name, str);
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free((void *)str);
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} else {
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str = sym_get_string_value(sym);
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printf("%s%s=%s\n", CONFIG_, sym->name, str);
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}
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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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{"syncconfig", no_argument, NULL, syncconfig},
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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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{"olddefconfig", no_argument, NULL, olddefconfig},
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{NULL, 0, NULL, 0}
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};
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static void conf_usage(const char *progname)
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{
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printf("Usage: %s [-s] [option] <kconfig-file>\n", progname);
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printf("[option] is _one_ of the following:\n");
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printf(" --listnewconfig List new options\n");
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printf(" --oldaskconfig Start a new configuration using a line-oriented program\n");
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printf(" --oldconfig Update a configuration using a provided .config as base\n");
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printf(" --syncconfig Similar to oldconfig but generates configuration in\n"
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" include/{generated/,config/}\n");
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printf(" --olddefconfig Same as oldconfig but sets new symbols to their default value\n");
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printf(" --defconfig <file> New config with default defined in <file>\n");
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printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n");
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printf(" --allnoconfig New config where all options are answered with no\n");
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printf(" --allyesconfig New config where all options are answered with yes\n");
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printf(" --allmodconfig New config where all options are answered with mod\n");
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printf(" --alldefconfig New config with all symbols set to default\n");
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printf(" --randconfig New config with random answer to all options\n");
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}
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int main(int ac, char **av)
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{
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const char *progname = av[0];
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int opt;
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const char *name, *defconfig_file = NULL /* gcc uninit */;
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int no_conf_write = 0;
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tty_stdio = isatty(0) && isatty(1);
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while ((opt = getopt_long(ac, av, "s", long_opts, NULL)) != -1) {
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if (opt == 's') {
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conf_set_message_callback(NULL);
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continue;
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}
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input_mode = (enum input_mode)opt;
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switch (opt) {
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case syncconfig:
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/*
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* syncconfig is invoked during the build stage.
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* Suppress distracting "configuration written to ..."
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*/
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conf_set_message_callback(NULL);
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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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char *seed_env;
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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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seed_env = getenv("KCONFIG_SEED");
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if( seed_env && *seed_env ) {
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char *endp;
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int tmp = (int)strtol(seed_env, &endp, 0);
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if (*endp == '\0') {
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seed = tmp;
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}
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}
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fprintf( stderr, "KCONFIG_SEED=0x%X\n", seed );
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srand(seed);
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break;
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}
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case oldaskconfig:
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case oldconfig:
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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 listnewconfig:
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case olddefconfig:
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break;
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case '?':
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conf_usage(progname);
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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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fprintf(stderr, "%s: Kconfig file missing\n", av[0]);
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conf_usage(progname);
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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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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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fprintf(stderr,
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"***\n"
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"*** Can't find default configuration \"%s\"!\n"
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"***\n",
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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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case syncconfig:
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case oldaskconfig:
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case oldconfig:
|
|
case listnewconfig:
|
|
case olddefconfig:
|
|
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 oldaskconfig:
|
|
rootEntry = &rootmenu;
|
|
conf(&rootmenu);
|
|
input_mode = oldconfig;
|
|
/* fall through */
|
|
case oldconfig:
|
|
case listnewconfig:
|
|
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) {
|
|
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;
|
|
}
|