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Diffstat (limited to 'scripts/kconfig/mconf.c')
| -rw-r--r-- | scripts/kconfig/mconf.c | 1090 |
1 files changed, 1090 insertions, 0 deletions
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c new file mode 100644 index 000000000000..730d316fe7fe --- /dev/null +++ b/scripts/kconfig/mconf.c @@ -0,0 +1,1090 @@ +/* + * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> + * Released under the terms of the GNU GPL v2.0. + * + * Introduced single menu mode (show all sub-menus in one large tree). + * 2002-11-06 Petr Baudis <pasky@ucw.cz> + */ + +#include <sys/ioctl.h> +#include <sys/wait.h> +#include <ctype.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <signal.h> +#include <stdarg.h> +#include <stdlib.h> +#include <string.h> +#include <termios.h> +#include <unistd.h> + +#define LKC_DIRECT_LINK +#include "lkc.h" + +static char menu_backtitle[128]; +static const char mconf_readme[] = +"Overview\n" +"--------\n" +"Some kernel features may be built directly into the kernel.\n" +"Some may be made into loadable runtime modules. Some features\n" +"may be completely removed altogether. There are also certain\n" +"kernel parameters which are not really features, but must be\n" +"entered in as decimal or hexadecimal numbers or possibly text.\n" +"\n" +"Menu items beginning with [*], <M> or [ ] represent features\n" +"configured to be built in, modularized or removed respectively.\n" +"Pointed brackets <> represent module capable features.\n" +"\n" +"To change any of these features, highlight it with the cursor\n" +"keys and press <Y> to build it in, <M> to make it a module or\n" +"<N> to removed it. You may also press the <Space Bar> to cycle\n" +"through the available options (ie. Y->N->M->Y).\n" +"\n" +"Some additional keyboard hints:\n" +"\n" +"Menus\n" +"----------\n" +"o Use the Up/Down arrow keys (cursor keys) to highlight the item\n" +" you wish to change or submenu wish to select and press <Enter>.\n" +" Submenus are designated by \"--->\".\n" +"\n" +" Shortcut: Press the option's highlighted letter (hotkey).\n" +" Pressing a hotkey more than once will sequence\n" +" through all visible items which use that hotkey.\n" +"\n" +" You may also use the <PAGE UP> and <PAGE DOWN> keys to scroll\n" +" unseen options into view.\n" +"\n" +"o To exit a menu use the cursor keys to highlight the <Exit> button\n" +" and press <ENTER>.\n" +"\n" +" Shortcut: Press <ESC><ESC> or <E> or <X> if there is no hotkey\n" +" using those letters. You may press a single <ESC>, but\n" +" there is a delayed response which you may find annoying.\n" +"\n" +" Also, the <TAB> and cursor keys will cycle between <Select>,\n" +" <Exit> and <Help>\n" +"\n" +"o To get help with an item, use the cursor keys to highlight <Help>\n" +" and Press <ENTER>.\n" +"\n" +" Shortcut: Press <H> or <?>.\n" +"\n" +"\n" +"Radiolists (Choice lists)\n" +"-----------\n" +"o Use the cursor keys to select the option you wish to set and press\n" +" <S> or the <SPACE BAR>.\n" +"\n" +" Shortcut: Press the first letter of the option you wish to set then\n" +" press <S> or <SPACE BAR>.\n" +"\n" +"o To see available help for the item, use the cursor keys to highlight\n" +" <Help> and Press <ENTER>.\n" +"\n" +" Shortcut: Press <H> or <?>.\n" +"\n" +" Also, the <TAB> and cursor keys will cycle between <Select> and\n" +" <Help>\n" +"\n" +"\n" +"Data Entry\n" +"-----------\n" +"o Enter the requested information and press <ENTER>\n" +" If you are entering hexadecimal values, it is not necessary to\n" +" add the '0x' prefix to the entry.\n" +"\n" +"o For help, use the <TAB> or cursor keys to highlight the help option\n" +" and press <ENTER>. You can try <TAB><H> as well.\n" +"\n" +"\n" +"Text Box (Help Window)\n" +"--------\n" +"o Use the cursor keys to scroll up/down/left/right. The VI editor\n" +" keys h,j,k,l function here as do <SPACE BAR> and <B> for those\n" +" who are familiar with less and lynx.\n" +"\n" +"o Press <E>, <X>, <Enter> or <Esc><Esc> to exit.\n" +"\n" +"\n" +"Alternate Configuration Files\n" +"-----------------------------\n" +"Menuconfig supports the use of alternate configuration files for\n" +"those who, for various reasons, find it necessary to switch\n" +"between different kernel configurations.\n" +"\n" +"At the end of the main menu you will find two options. One is\n" +"for saving the current configuration to a file of your choosing.\n" +"The other option is for loading a previously saved alternate\n" +"configuration.\n" +"\n" +"Even if you don't use alternate configuration files, but you\n" +"find during a Menuconfig session that you have completely messed\n" +"up your settings, you may use the \"Load Alternate...\" option to\n" +"restore your previously saved settings from \".config\" without\n" +"restarting Menuconfig.\n" +"\n" +"Other information\n" +"-----------------\n" +"If you use Menuconfig in an XTERM window make sure you have your\n" +"$TERM variable set to point to a xterm definition which supports color.\n" +"Otherwise, Menuconfig will look rather bad. Menuconfig will not\n" +"display correctly in a RXVT window because rxvt displays only one\n" +"intensity of color, bright.\n" +"\n" +"Menuconfig will display larger menus on screens or xterms which are\n" +"set to display more than the standard 25 row by 80 column geometry.\n" +"In order for this to work, the \"stty size\" command must be able to\n" +"display the screen's current row and column geometry. I STRONGLY\n" +"RECOMMEND that you make sure you do NOT have the shell variables\n" +"LINES and COLUMNS exported into your environment. Some distributions\n" +"export those variables via /etc/profile. Some ncurses programs can\n" +"become confused when those variables (LINES & COLUMNS) don't reflect\n" +"the true screen size.\n" +"\n" +"Optional personality available\n" +"------------------------------\n" +"If you prefer to have all of the kernel options listed in a single\n" +"menu, rather than the default multimenu hierarchy, run the menuconfig\n" +"with MENUCONFIG_MODE environment variable set to single_menu. Example:\n" +"\n" +"make MENUCONFIG_MODE=single_menu menuconfig\n" +"\n" +"<Enter> will then unroll the appropriate category, or enfold it if it\n" +"is already unrolled.\n" +"\n" +"Note that this mode can eventually be a little more CPU expensive\n" +"(especially with a larger number of unrolled categories) than the\n" +"default mode.\n", +menu_instructions[] = + "Arrow keys navigate the menu. " + "<Enter> selects submenus --->. " + "Highlighted letters are hotkeys. " + "Pressing <Y> includes, <N> excludes, <M> modularizes features. " + "Press <Esc><Esc> to exit, <?> for Help, </> for Search. " + "Legend: [*] built-in [ ] excluded <M> module < > module capable", +radiolist_instructions[] = + "Use the arrow keys to navigate this window or " + "press the hotkey of the item you wish to select " + "followed by the <SPACE BAR>. " + "Press <?> for additional information about this option.", +inputbox_instructions_int[] = + "Please enter a decimal value. " + "Fractions will not be accepted. " + "Use the <TAB> key to move from the input field to the buttons below it.", +inputbox_instructions_hex[] = + "Please enter a hexadecimal value. " + "Use the <TAB> key to move from the input field to the buttons below it.", +inputbox_instructions_string[] = + "Please enter a string value. " + "Use the <TAB> key to move from the input field to the buttons below it.", +setmod_text[] = + "This feature depends on another which has been configured as a module.\n" + "As a result, this feature will be built as a module.", +nohelp_text[] = + "There is no help available for this kernel option.\n", +load_config_text[] = + "Enter the name of the configuration file you wish to load. " + "Accept the name shown to restore the configuration you " + "last retrieved. Leave blank to abort.", +load_config_help[] = + "\n" + "For various reasons, one may wish to keep several different kernel\n" + "configurations available on a single machine.\n" + "\n" + "If you have saved a previous configuration in a file other than the\n" + "kernel's default, entering the name of the file here will allow you\n" + "to modify that configuration.\n" + "\n" + "If you are uncertain, then you have probably never used alternate\n" + "configuration files. You should therefor leave this blank to abort.\n", +save_config_text[] = + "Enter a filename to which this configuration should be saved " + "as an alternate. Leave blank to abort.", +save_config_help[] = + "\n" + "For various reasons, one may wish to keep different kernel\n" + "configurations available on a single machine.\n" + "\n" + "Entering a file name here will allow you to later retrieve, modify\n" + "and use the current configuration as an alternate to whatever\n" + "configuration options you have selected at that time.\n" + "\n" + "If you are uncertain what all this means then you should probably\n" + "leave this blank.\n", +search_help[] = + "\n" + "Search for CONFIG_ symbols and display their relations.\n" + "Example: search for \"^FOO\"\n" + "Result:\n" + "-----------------------------------------------------------------\n" + "Symbol: FOO [=m]\n" + "Prompt: Foo bus is used to drive the bar HW\n" + "Defined at drivers/pci/Kconfig:47\n" + "Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n" + "Location:\n" + " -> Bus options (PCI, PCMCIA, EISA, MCA, ISA)\n" + " -> PCI support (PCI [=y])\n" + " -> PCI access mode (<choice> [=y])\n" + "Selects: LIBCRC32\n" + "Selected by: BAR\n" + "-----------------------------------------------------------------\n" + "o The line 'Prompt:' shows the text used in the menu structure for\n" + " this CONFIG_ symbol\n" + "o The 'Defined at' line tell at what file / line number the symbol\n" + " is defined\n" + "o The 'Depends on:' line tell what symbols needs to be defined for\n" + " this symbol to be visible in the menu (selectable)\n" + "o The 'Location:' lines tell where in the menu structure this symbol\n" + " is located\n" + " A location followed by a [=y] indicate that this is a selectable\n" + " menu item - and current value is displayed inside brackets.\n" + "o The 'Selects:' line tell what symbol will be automatically\n" + " selected if this symbol is selected (y or m)\n" + "o The 'Selected by' line tell what symbol has selected this symbol\n" + "\n" + "Only relevant lines are shown.\n" + "\n\n" + "Search examples:\n" + "Examples: USB => find all CONFIG_ symbols containing USB\n" + " ^USB => find all CONFIG_ symbols starting with USB\n" + " USB$ => find all CONFIG_ symbols ending with USB\n" + "\n"; + +static signed char buf[4096], *bufptr = buf; +static signed char input_buf[4096]; +static char filename[PATH_MAX+1] = ".config"; +static char *args[1024], **argptr = args; +static int indent; +static struct termios ios_org; +static int rows = 0, cols = 0; +static struct menu *current_menu; +static int child_count; +static int do_resize; +static int single_menu_mode; + +static void conf(struct menu *menu); +static void conf_choice(struct menu *menu); +static void conf_string(struct menu *menu); +static void conf_load(void); +static void conf_save(void); +static void show_textbox(const char *title, const char *text, int r, int c); +static void show_helptext(const char *title, const char *text); +static void show_help(struct menu *menu); +static void show_file(const char *filename, const char *title, int r, int c); + +static void cprint_init(void); +static int cprint1(const char *fmt, ...); +static void cprint_done(void); +static int cprint(const char *fmt, ...); + +static void init_wsize(void) +{ + struct winsize ws; + char *env; + + if (!ioctl(STDIN_FILENO, TIOCGWINSZ, &ws)) { + rows = ws.ws_row; + cols = ws.ws_col; + } + + if (!rows) { + env = getenv("LINES"); + if (env) + rows = atoi(env); + if (!rows) + rows = 24; + } + if (!cols) { + env = getenv("COLUMNS"); + if (env) + cols = atoi(env); + if (!cols) + cols = 80; + } + + if (rows < 19 || cols < 80) { + fprintf(stderr, "Your display is too small to run Menuconfig!\n"); + fprintf(stderr, "It must be at least 19 lines by 80 columns.\n"); + exit(1); + } + + rows -= 4; + cols -= 5; +} + +static void cprint_init(void) +{ + bufptr = buf; + argptr = args; + memset(args, 0, sizeof(args)); + indent = 0; + child_count = 0; + cprint("./scripts/lxdialog/lxdialog"); + cprint("--backtitle"); + cprint(menu_backtitle); +} + +static int cprint1(const char *fmt, ...) +{ + va_list ap; + int res; + + if (!*argptr) + *argptr = bufptr; + va_start(ap, fmt); + res = vsprintf(bufptr, fmt, ap); + va_end(ap); + bufptr += res; + + return res; +} + +static void cprint_done(void) +{ + *bufptr++ = 0; + argptr++; +} + +static int cprint(const char *fmt, ...) +{ + va_list ap; + int res; + + *argptr++ = bufptr; + va_start(ap, fmt); + res = vsprintf(bufptr, fmt, ap); + va_end(ap); + bufptr += res; + *bufptr++ = 0; + + return res; +} + +static void get_prompt_str(struct gstr *r, struct property *prop) +{ + int i, j; + struct menu *submenu[8], *menu; + + str_printf(r, "Prompt: %s\n", prop->text); + str_printf(r, " Defined at %s:%d\n", prop->menu->file->name, + prop->menu->lineno); + if (!expr_is_yes(prop->visible.expr)) { + str_append(r, " Depends on: "); + expr_gstr_print(prop->visible.expr, r); + str_append(r, "\n"); + } + menu = prop->menu->parent; + for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) + submenu[i++] = menu; + if (i > 0) { + str_printf(r, " Location:\n"); + for (j = 4; --i >= 0; j += 2) { + menu = submenu[i]; + str_printf(r, "%*c-> %s", j, ' ', menu_get_prompt(menu)); + if (menu->sym) { + str_printf(r, " (%s [=%s])", menu->sym->name ? + menu->sym->name : "<choice>", + sym_get_string_value(menu->sym)); + } + str_append(r, "\n"); + } + } +} + +static void get_symbol_str(struct gstr *r, struct symbol *sym) +{ + bool hit; + struct property *prop; + + str_printf(r, "Symbol: %s [=%s]\n", sym->name, + sym_get_string_value(sym)); + for_all_prompts(sym, prop) + get_prompt_str(r, prop); + hit = false; + for_all_properties(sym, prop, P_SELECT) { + if (!hit) { + str_append(r, " Selects: "); + hit = true; + } else + str_printf(r, " && "); + expr_gstr_print(prop->expr, r); + } + if (hit) + str_append(r, "\n"); + if (sym->rev_dep.expr) { + str_append(r, " Selected by: "); + expr_gstr_print(sym->rev_dep.expr, r); + str_append(r, "\n"); + } + str_append(r, "\n\n"); +} + +static struct gstr get_relations_str(struct symbol **sym_arr) +{ + struct symbol *sym; + struct gstr res = str_new(); + int i; + + for (i = 0; sym_arr && (sym = sym_arr[i]); i++) + get_symbol_str(&res, sym); + if (!i) + str_append(&res, "No matches found.\n"); + return res; +} + +pid_t pid; + +static void winch_handler(int sig) +{ + if (!do_resize) { + kill(pid, SIGINT); + do_resize = 1; + } +} + +static int exec_conf(void) +{ + int pipefd[2], stat, size; + struct sigaction sa; + sigset_t sset, osset; + + sigemptyset(&sset); + sigaddset(&sset, SIGINT); + sigprocmask(SIG_BLOCK, &sset, &osset); + + signal(SIGINT, SIG_DFL); + + sa.sa_handler = winch_handler; + sigemptyset(&sa.sa_mask); + sa.sa_flags = SA_RESTART; + sigaction(SIGWINCH, &sa, NULL); + + *argptr++ = NULL; + + pipe(pipefd); + pid = fork(); + if (pid == 0) { + sigprocmask(SIG_SETMASK, &osset, NULL); + dup2(pipefd[1], 2); + close(pipefd[0]); + close(pipefd[1]); + execv(args[0], args); + _exit(EXIT_FAILURE); + } + + close(pipefd[1]); + bufptr = input_buf; + while (1) { + size = input_buf + sizeof(input_buf) - bufptr; + size = read(pipefd[0], bufptr, size); + if (size <= 0) { + if (size < 0) { + if (errno == EINTR || errno == EAGAIN) + continue; + perror("read"); + } + break; + } + bufptr += size; + } + *bufptr++ = 0; + close(pipefd[0]); + waitpid(pid, &stat, 0); + + if (do_resize) { + init_wsize(); + do_resize = 0; + sigprocmask(SIG_SETMASK, &osset, NULL); + return -1; + } + if (WIFSIGNALED(stat)) { + printf("\finterrupted(%d)\n", WTERMSIG(stat)); + exit(1); + } +#if 0 + printf("\fexit state: %d\nexit data: '%s'\n", WEXITSTATUS(stat), input_buf); + sleep(1); +#endif + sigpending(&sset); + if (sigismember(&sset, SIGINT)) { + printf("\finterrupted\n"); + exit(1); + } + sigprocmask(SIG_SETMASK, &osset, NULL); + + return WEXITSTATUS(stat); +} + +static void search_conf(void) +{ + struct symbol **sym_arr; + int stat; + struct gstr res; + +again: + cprint_init(); + cprint("--title"); + cprint("Search Configuration Parameter"); + cprint("--inputbox"); + cprint("Enter Keyword"); + cprint("10"); + cprint("75"); + cprint(""); + stat = exec_conf(); + if (stat < 0) + goto again; + switch (stat) { + case 0: + break; + case 1: + show_helptext("Search Configuration", search_help); + goto again; + default: + return; + } + + sym_arr = sym_re_search(input_buf); + res = get_relations_str(sym_arr); + free(sym_arr); + show_textbox("Search Results", str_get(&res), 0, 0); + str_free(&res); +} + +static void build_conf(struct menu *menu) +{ + struct symbol *sym; + struct property *prop; + struct menu *child; + int type, tmp, doint = 2; + tristate val; + char ch; + + if (!menu_is_visible(menu)) + return; + + sym = menu->sym; + prop = menu->prompt; + if (!sym) { + if (prop && menu != current_menu) { + const char *prompt = menu_get_prompt(menu); + switch (prop->type) { + case P_MENU: + child_count++; + cprint("m%p", menu); + + if (single_menu_mode) { + cprint1("%s%*c%s", + menu->data ? "-->" : "++>", + indent + 1, ' ', prompt); + } else + cprint1(" %*c%s --->", indent + 1, ' ', prompt); + + cprint_done(); + if (single_menu_mode && menu->data) + goto conf_childs; + return; + default: + if (prompt) { + child_count++; + cprint(":%p", menu); + cprint("---%*c%s", indent + 1, ' ', prompt); + } + } + } else + doint = 0; + goto conf_childs; + } + + type = sym_get_type(sym); + if (sym_is_choice(sym)) { + struct symbol *def_sym = sym_get_choice_value(sym); + struct menu *def_menu = NULL; + + child_count++; + for (child = menu->list; child; child = child->next) { + if (menu_is_visible(child) && child->sym == def_sym) + def_menu = child; + } + + val = sym_get_tristate_value(sym); + if (sym_is_changable(sym)) { + cprint("t%p", menu); + switch (type) { + case S_BOOLEAN: + cprint1("[%c]", val == no ? ' ' : '*'); + break; + case S_TRISTATE: + switch (val) { + case yes: ch = '*'; break; + case mod: ch = 'M'; break; + default: ch = ' '; break; + } + cprint1("<%c>", ch); + break; + } + } else { + cprint("%c%p", def_menu ? 't' : ':', menu); + cprint1(" "); + } + + cprint1("%*c%s", indent + 1, ' ', menu_get_prompt(menu)); + if (val == yes) { + if (def_menu) { + cprint1(" (%s)", menu_get_prompt(def_menu)); + cprint1(" --->"); + cprint_done(); + if (def_menu->list) { + indent += 2; + build_conf(def_menu); + indent -= 2; + } + } else + cprint_done(); + return; + } + cprint_done(); + } else { + if (menu == current_menu) { + cprint(":%p", menu); + cprint("---%*c%s", indent + 1, ' ', menu_get_prompt(menu)); + goto conf_childs; + } + child_count++; + val = sym_get_tristate_value(sym); + if (sym_is_choice_value(sym) && val == yes) { + cprint(":%p", menu); + cprint1(" "); + } else { + switch (type) { + case S_BOOLEAN: + cprint("t%p", menu); + if (sym_is_changable(sym)) + cprint1("[%c]", val == no ? ' ' : '*'); + else + cprint1("---"); + break; + case S_TRISTATE: + cprint("t%p", menu); + switch (val) { + case yes: ch = '*'; break; + case mod: ch = 'M'; break; + default: ch = ' '; break; + } + if (sym_is_changable(sym)) + cprint1("<%c>", ch); + else + cprint1("---"); + break; + default: + cprint("s%p", menu); + tmp = cprint1("(%s)", sym_get_string_value(sym)); + tmp = indent - tmp + 4; + if (tmp < 0) + tmp = 0; + cprint1("%*c%s%s", tmp, ' ', menu_get_prompt(menu), + (sym_has_value(sym) || !sym_is_changable(sym)) ? + "" : " (NEW)"); + cprint_done(); + goto conf_childs; + } + } + cprint1("%*c%s%s", indent + 1, ' ', menu_get_prompt(menu), + (sym_has_value(sym) || !sym_is_changable(sym)) ? + "" : " (NEW)"); + if (menu->prompt->type == P_MENU) { + cprint1(" --->"); + cprint_done(); + return; + } + cprint_done(); + } + +conf_childs: + indent += doint; + for (child = menu->list; child; child = child->next) + build_conf(child); + indent -= doint; +} + +static void conf(struct menu *menu) +{ + struct menu *submenu; + const char *prompt = menu_get_prompt(menu); + struct symbol *sym; + char active_entry[40]; + int stat, type, i; + + unlink("lxdialog.scrltmp"); + active_entry[0] = 0; + while (1) { + cprint_init(); + cprint("--title"); + cprint("%s", prompt ? prompt : "Main Menu"); + cprint("--menu"); + cprint(menu_instructions); + cprint("%d", rows); + cprint("%d", cols); + cprint("%d", rows - 10); + cprint("%s", active_entry); + current_menu = menu; + build_conf(menu); + if (!child_count) + break; + if (menu == &rootmenu) { + cprint(":"); + cprint("--- "); + cprint("L"); + cprint(" Load an Alternate Configuration File"); + cprint("S"); + cprint(" Save Configuration to an Alternate File"); + } + stat = exec_conf(); + if (stat < 0) + continue; + + if (stat == 1 || stat == 255) + break; + + type = input_buf[0]; + if (!type) + continue; + + for (i = 0; input_buf[i] && !isspace(input_buf[i]); i++) + ; + if (i >= sizeof(active_entry)) + i = sizeof(active_entry) - 1; + input_buf[i] = 0; + strcpy(active_entry, input_buf); + + sym = NULL; + submenu = NULL; + if (sscanf(input_buf + 1, "%p", &submenu) == 1) + sym = submenu->sym; + + switch (stat) { + case 0: + switch (type) { + case 'm': + if (single_menu_mode) + submenu->data = (void *) (long) !submenu->data; + else + conf(submenu); + break; + case 't': + if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes) + conf_choice(submenu); + else if (submenu->prompt->type == P_MENU) + conf(submenu); + break; + case 's': + conf_string(submenu); + break; + case 'L': + conf_load(); + break; + case 'S': + conf_save(); + break; + } + break; + case 2: + if (sym) + show_help(submenu); + else + show_helptext("README", mconf_readme); + break; + case 3: + if (type == 't') { + if (sym_set_tristate_value(sym, yes)) + break; + if (sym_set_tristate_value(sym, mod)) + show_textbox(NULL, setmod_text, 6, 74); + } + break; + case 4: + if (type == 't') + sym_set_tristate_value(sym, no); + break; + case 5: + if (type == 't') + sym_set_tristate_value(sym, mod); + break; + case 6: + if (type == 't') + sym_toggle_tristate_value(sym); + else if (type == 'm') + conf(submenu); + break; + case 7: + search_conf(); + break; + } + } +} + +static void show_textbox(const char *title, const char *text, int r, int c) +{ + int fd; + + fd = creat(".help.tmp", 0777); + write(fd, text, strlen(text)); + close(fd); + show_file(".help.tmp", title, r, c); + unlink(".help.tmp"); +} + +static void show_helptext(const char *title, const char *text) +{ + show_textbox(title, text, 0, 0); +} + +static void show_help(struct menu *menu) +{ + struct gstr help = str_new(); + struct symbol *sym = menu->sym; + + if (sym->help) + { + if (sym->name) { + str_printf(&help, "CONFIG_%s:\n\n", sym->name); + str_append(&help, sym->help); + str_append(&help, "\n"); + } + } else { + str_append(&help, nohelp_text); + } + get_symbol_str(&help, sym); + show_helptext(menu_get_prompt(menu), str_get(&help)); + str_free(&help); +} + +static void show_file(const char *filename, const char *title, int r, int c) +{ + do { + cprint_init(); + if (title) { + cprint("--title"); + cprint("%s", title); + } + cprint("--textbox"); + cprint("%s", filename); + cprint("%d", r ? r : rows); + cprint("%d", c ? c : cols); + } while (exec_conf() < 0); +} + +static void conf_choice(struct menu *menu) +{ + const char *prompt = menu_get_prompt(menu); + struct menu *child; + struct symbol *active; + int stat; + + active = sym_get_choice_value(menu->sym); + while (1) { + cprint_init(); + cprint("--title"); + cprint("%s", prompt ? prompt : "Main Menu"); + cprint("--radiolist"); + cprint(radiolist_instructions); + cprint("15"); + cprint("70"); + cprint("6"); + + current_menu = menu; + for (child = menu->list; child; child = child->next) { + if (!menu_is_visible(child)) + continue; + cprint("%p", child); + cprint("%s", menu_get_prompt(child)); + if (child->sym == sym_get_choice_value(menu->sym)) + cprint("ON"); + else if (child->sym == active) + cprint("SELECTED"); + else + cprint("OFF"); + } + + stat = exec_conf(); + switch (stat) { + case 0: + if (sscanf(input_buf, "%p", &child) != 1) + break; + sym_set_tristate_value(child->sym, yes); + return; + case 1: + if (sscanf(input_buf, "%p", &child) == 1) { + show_help(child); + active = child->sym; + } else + show_help(menu); + break; + case 255: + return; + } + } +} + +static void conf_string(struct menu *menu) +{ + const char *prompt = menu_get_prompt(menu); + int stat; + + while (1) { + cprint_init(); + cprint("--title"); + cprint("%s", prompt ? prompt : "Main Menu"); + cprint("--inputbox"); + switch (sym_get_type(menu->sym)) { + case S_INT: + cprint(inputbox_instructions_int); + break; + case S_HEX: + cprint(inputbox_instructions_hex); + break; + case S_STRING: + cprint(inputbox_instructions_string); + break; + default: + /* panic? */; + } + cprint("10"); + cprint("75"); + cprint("%s", sym_get_string_value(menu->sym)); + stat = exec_conf(); + switch (stat) { + case 0: + if (sym_set_string_value(menu->sym, input_buf)) + return; + show_textbox(NULL, "You have made an invalid entry.", 5, 43); + break; + case 1: + show_help(menu); + break; + case 255: + return; + } + } +} + +static void conf_load(void) +{ + int stat; + + while (1) { + cprint_init(); + cprint("--inputbox"); + cprint(load_config_text); + cprint("11"); + cprint("55"); + cprint("%s", filename); + stat = exec_conf(); + switch(stat) { + case 0: + if (!input_buf[0]) + return; + if (!conf_read(input_buf)) + return; + show_textbox(NULL, "File does not exist!", 5, 38); + break; + case 1: + show_helptext("Load Alternate Configuration", load_config_help); + break; + case 255: + return; + } + } +} + +static void conf_save(void) +{ + int stat; + + while (1) { + cprint_init(); + cprint("--inputbox"); + cprint(save_config_text); + cprint("11"); + cprint("55"); + cprint("%s", filename); + stat = exec_conf(); + switch(stat) { + case 0: + if (!input_buf[0]) + return; + if (!conf_write(input_buf)) + return; + show_textbox(NULL, "Can't create file! Probably a nonexistent directory.", 5, 60); + break; + case 1: + show_helptext("Save Alternate Configuration", save_config_help); + break; + case 255: + return; + } + } +} + +static void conf_cleanup(void) +{ + tcsetattr(1, TCSAFLUSH, &ios_org); + unlink(".help.tmp"); + unlink("lxdialog.scrltmp"); +} + +int main(int ac, char **av) +{ + struct symbol *sym; + char *mode; + int stat; + + conf_parse(av[1]); + conf_read(NULL); + + sym = sym_lookup("KERNELRELEASE", 0); + sym_calc_value(sym); + sprintf(menu_backtitle, "Linux Kernel v%s Configuration", + sym_get_string_value(sym)); + + mode = getenv("MENUCONFIG_MODE"); + if (mode) { + if (!strcasecmp(mode, "single_menu")) + single_menu_mode = 1; + } + + tcgetattr(1, &ios_org); + atexit(conf_cleanup); + init_wsize(); + conf(&rootmenu); + + do { + cprint_init(); + cprint("--yesno"); + cprint("Do you wish to save your new kernel configuration?"); + cprint("5"); + cprint("60"); + stat = exec_conf(); + } while (stat < 0); + + if (stat == 0) { + if (conf_write(NULL)) { + fprintf(stderr, "\n\n" + "Error during writing of the kernel configuration.\n" + "Your kernel configuration changes were NOT saved." + "\n\n"); + return 1; + } + printf("\n\n" + "*** End of Linux kernel configuration.\n" + "*** Execute 'make' to build the kernel or try 'make help'." + "\n\n"); + } else { + fprintf(stderr, "\n\n" + "Your kernel configuration changes were NOT saved." + "\n\n"); + } + + return 0; +} |