diff options
Diffstat (limited to 'scripts/kconfig/conf.c')
| -rw-r--r-- | scripts/kconfig/conf.c | 568 |
1 files changed, 568 insertions, 0 deletions
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c new file mode 100644 index 000000000..1602d5f4e --- /dev/null +++ b/scripts/kconfig/conf.c @@ -0,0 +1,568 @@ +/* + * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> + * Released under the terms of the GNU GPL v2.0. + */ + +#include <ctype.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <time.h> +#include <sys/stat.h> + +#define LKC_DIRECT_LINK +#include "lkc.h" + +static void conf(struct menu *menu); +static void check_conf(struct menu *menu); + +enum { + ask_all, + ask_new, + ask_silent, + set_default, + set_yes, + set_mod, + set_no, + set_random +} input_mode = ask_all; + +static int indent = 1; +static int valid_stdin = 1; +static int conf_cnt; +static char line[128]; +static struct menu *rootEntry; + +static char nohelp_text[] = "Sorry, no help available for this option yet.\n"; + +#if 0 +static void printc(int ch) +{ + static int sep = 0; + + if (!sep) { + putchar('['); + sep = 1; + } else if (ch) + putchar('/'); + if (!ch) { + putchar(']'); + putchar(' '); + sep = 0; + } else + putchar(ch); +} +#endif + +static void printo(const char *o) +{ + static int sep = 0; + + if (!sep) { + putchar('('); + sep = 1; + } else if (o) { + putchar(','); + putchar(' '); + } + if (!o) { + putchar(')'); + putchar(' '); + sep = 0; + } else + printf("%s", o); +} + +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; +} + +static void conf_askvalue(struct symbol *sym, const char *def) +{ + enum symbol_type type = sym_get_type(sym); + tristate val; + + if (!sym_has_value(sym)) + printf("(NEW) "); + + line[0] = '\n'; + line[1] = 0; + + switch (input_mode) { + case ask_new: + case ask_silent: + if (sym_has_value(sym)) { + printf("%s\n", def); + return; + } + if (!valid_stdin && input_mode == ask_silent) { + printf("aborted!\n\n"); + printf("Console input/output is redirected. "); + printf("Run 'make oldconfig' to update configuration.\n\n"); + exit(1); + } + case ask_all: + fflush(stdout); + fgets(line, 128, stdin); + return; + case set_default: + printf("%s\n", def); + return; + default: + break; + } + + switch (type) { + case S_INT: + case S_HEX: + case S_STRING: + printf("%s\n", def); + return; + default: + ; + } + switch (input_mode) { + case set_yes: + if (sym_tristate_within_range(sym, yes)) { + line[0] = 'y'; + line[1] = '\n'; + line[2] = 0; + break; + } + case set_mod: + if (type == S_TRISTATE) { + if (sym_tristate_within_range(sym, mod)) { + line[0] = 'm'; + line[1] = '\n'; + line[2] = 0; + break; + } + } else { + if (sym_tristate_within_range(sym, yes)) { + line[0] = 'y'; + line[1] = '\n'; + line[2] = 0; + break; + } + } + case set_no: + if (sym_tristate_within_range(sym, no)) { + line[0] = 'n'; + line[1] = '\n'; + line[2] = 0; + break; + } + case set_random: + do { + val = (tristate)(random() % 3); + } while (!sym_tristate_within_range(sym, val)); + switch (val) { + case no: line[0] = 'n'; break; + case mod: line[0] = 'm'; break; + case yes: line[0] = 'y'; break; + } + line[1] = '\n'; + line[2] = 0; + break; + default: + break; + } + printf("%s", line); +} + +int conf_string(struct menu *menu) +{ + struct symbol *sym = menu->sym; + const char *def, *help; + + while (1) { + printf("%*s%s ", indent - 1, "", menu->prompt->text); + printf("(%s) ", sym->name); + def = sym_get_string_value(sym); + if (sym_get_string_value(sym)) + printf("[%s] ", def); + conf_askvalue(sym, def); + switch (line[0]) { + case '\n': + break; + case '?': + /* print help */ + if (line[1] == 0) { + help = nohelp_text; + if (menu->sym->help) + help = menu->sym->help; + printf("\n%s\n", menu->sym->help); + def = NULL; + break; + } + 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; + int type; + tristate oldval, newval; + const char *help; + + while (1) { + printf("%*s%s ", indent - 1, "", menu->prompt->text); + if (sym->name) + printf("(%s) ", sym->name); + type = sym_get_type(sym); + 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"); + if (sym->help) + printf("/?"); + printf("] "); + conf_askvalue(sym, sym_get_string_value(sym)); + 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: + help = nohelp_text; + if (sym->help) + help = sym->help; + printf("\n%s\n", help); + } +} + +static int conf_choice(struct menu *menu) +{ + struct symbol *sym, *def_sym; + struct menu *cmenu, *def_menu; + const char *help; + int type, len; + bool is_new; + + sym = menu->sym; + type = sym_get_type(sym); + is_new = !sym_has_value(sym); + if (sym_is_changable(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 { + sym->def = sym->curr; + if (S_TRI(sym->curr) == mod) { + printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu)); + return 0; + } + } + + while (1) { + printf("%*s%s ", indent - 1, "", menu_get_prompt(menu)); + def_sym = sym_get_choice_value(sym); + def_menu = NULL; + for (cmenu = menu->list; cmenu; cmenu = cmenu->next) { + if (!menu_is_visible(cmenu)) + continue; + printo(menu_get_prompt(cmenu)); + if (cmenu->sym == def_sym) + def_menu = cmenu; + } + printo(NULL); + if (def_menu) + printf("[%s] ", menu_get_prompt(def_menu)); + else { + printf("\n"); + return 1; + } + switch (input_mode) { + case ask_new: + case ask_silent: + case ask_all: + if (is_new) + sym->flags |= SYMBOL_NEW; + conf_askvalue(sym, menu_get_prompt(def_menu)); + strip(line); + break; + default: + line[0] = 0; + printf("\n"); + } + if (line[0] == '?' && !line[1]) { + help = nohelp_text; + if (menu->sym->help) + help = menu->sym->help; + printf("\n%s\n", help); + continue; + } + if (line[0]) { + len = strlen(line); + line[len] = 0; + + def_menu = NULL; + for (cmenu = menu->list; cmenu; cmenu = cmenu->next) { + if (!cmenu->sym || !menu_is_visible(cmenu)) + continue; + if (!strncasecmp(line, menu_get_prompt(cmenu), len)) { + def_menu = cmenu; + break; + } + } + } + if (def_menu) { + sym_set_choice_value(sym, def_menu->sym); + if (def_menu->list) { + indent += 2; + conf(def_menu->list); + 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: + if (input_mode == ask_silent && rootEntry != menu) { + check_conf(menu); + return; + } + 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 (S_TRI(sym->curr) != 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) + goto conf_childs; + + if (sym_is_choice(sym)) { + if (!sym_has_value(sym)) { + if (!conf_cnt++) + printf("*\n* Restart config...\n*\n"); + rootEntry = menu_get_parent_menu(menu); + conf(rootEntry); + } + if (sym_get_tristate_value(sym) != mod) + return; + goto conf_childs; + } + + if (!sym_has_value(sym)) { + if (!conf_cnt++) + printf("*\n* Restart config...\n*\n"); + rootEntry = menu_get_parent_menu(menu); + conf(rootEntry); + } + +conf_childs: + for (child = menu->list; child; child = child->next) + check_conf(child); +} + +int main(int ac, char **av) +{ + const char *name; + struct stat tmpstat; + + if (ac > 1 && av[1][0] == '-') { + switch (av[1][1]) { + case 'o': + input_mode = ask_new; + break; + case 's': + input_mode = ask_silent; + valid_stdin = isatty(0) && isatty(1) && isatty(2); + break; + case 'd': + input_mode = set_default; + break; + case 'n': + input_mode = set_no; + break; + case 'm': + input_mode = set_mod; + break; + case 'y': + input_mode = set_yes; + break; + case 'r': + input_mode = set_random; + srandom(time(NULL)); + break; + case 'h': + case '?': + printf("%s [-o|-s] config\n", av[0]); + exit(0); + } + name = av[2]; + } else + name = av[1]; + conf_parse(name); + //zconfdump(stdout); + switch (input_mode) { + case set_default: + name = conf_get_default_confname(); + if (conf_read(name)) { + printf("***\n" + "*** Can't find default configuration \"%s\"!\n" + "***\n", name); + exit(1); + } + break; + case ask_silent: + if (stat(".config", &tmpstat)) { + printf("***\n" + "*** You have not yet configured your kernel!\n" + "***\n" + "*** Please run some configurator (e.g. \"make oldconfig\" or\n" + "*** \"make menuconfig\" or \"make xconfig\").\n" + "***\n"); + exit(1); + } + case ask_all: + case ask_new: + conf_read(NULL); + break; + default: + break; + } + + if (input_mode != ask_silent) { + rootEntry = &rootmenu; + conf(&rootmenu); + if (input_mode == ask_all) { + input_mode = ask_silent; + valid_stdin = 1; + } + } + do { + conf_cnt = 0; + check_conf(&rootmenu); + } while (conf_cnt); + conf_write(NULL); + return 0; +} |