1 files changed, 85 insertions, 16 deletions

diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index dec8603..eba5ff7 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -1,6 +1,9 @@
 /*
  * 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>
@@ -8,10 +11,12 @@
 #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
@@ -44,18 +49,18 @@ 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 option.\n",
+        "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\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"
-        "default, entering the name of the file here will allow you\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"
@@ -65,7 +70,7 @@ save_config_text[] =
         "as an alternate.  Leave blank to abort.",
 save_config_help[] =
         "\n"
-        "For various reasons, one may wish to keep different\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"
@@ -78,12 +83,15 @@ save_config_help[] =
 
 static char buf[4096], *bufptr = buf;
 static char input_buf[4096];
+static char filename[PATH_MAX+1] = ".config";
 static char *args[1024], **argptr = args;
 static int indent = 0;
+static struct termios ios_org;
 static int rows, cols;
 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);
@@ -103,6 +111,7 @@ static int cprint(const char *fmt, ...);
 static void init_wsize(void)
 {
         struct winsize ws;
+        char *env;
 
         if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
                 rows = 24;
@@ -110,6 +119,20 @@ static void init_wsize(void)
         } else {
                 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) {
@@ -274,10 +297,20 @@ static void build_conf(struct menu *menu)
                         case P_MENU:
                                 child_count++;
                                 cprint("m%p", menu);
-                                if (menu->parent != &rootmenu)
-                                        cprint1("   %*c", indent + 1, ' ');
-                                cprint1("%s  --->", prompt);
+
+                                if (single_menu_mode) {
+                                        cprint1("%s%*c%s",
+                                                menu->data ? "-->" : "++>",
+                                                indent + 1, ' ', prompt);
+                                } else {
+                                        if (menu->parent != &rootmenu)
+                                                cprint1("   %*c", indent + 1, ' ');
+                                        cprint1("%s  --->", prompt);
+                                }
+
                                 cprint_done();
+                                if (single_menu_mode && menu->data)
+                                        goto conf_childs;
                                 return;
                         default:
                                 if (prompt) {
@@ -392,6 +425,7 @@ static void conf(struct menu *menu)
         char active_entry[40];
         int stat, type, i;
 
+        unlink("lxdialog.scrltmp");
         active_entry[0] = 0;
         while (1) {
                 cprint_init();
@@ -442,7 +476,10 @@ static void conf(struct menu *menu)
                 case 0:
                         switch (type) {
                         case 'm':
-                                conf(submenu);
+                                if (single_menu_mode)
+                                        submenu->data = (void *) !submenu->data;
+                                else
+                                        conf(submenu);
                                 break;
                         case 't':
                                 if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)
@@ -484,6 +521,8 @@ static void conf(struct menu *menu)
                 case 6:
                         if (type == 't')
                                 sym_toggle_tristate_value(sym);
+                        else if (type == 'm')
+                                conf(submenu);
                         break;
                 }
         }
@@ -518,11 +557,19 @@ static void show_helptext(const char *title, const char *text)
 static void show_help(struct menu *menu)
 {
         const char *help;
+        char *helptext;
+        struct symbol *sym = menu->sym;
 
-        help = menu->sym->help;
+        help = sym->help;
         if (!help)
                 help = nohelp_text;
-        show_helptext(menu_get_prompt(menu), help);
+        if (sym->name) {
+                helptext = malloc(strlen(sym->name) + strlen(help) + 16);
+                sprintf(helptext, "CONFIG_%s:\n\n%s", sym->name, help);
+                show_helptext(menu_get_prompt(menu), helptext);
+                free(helptext);
+        } else
+                show_helptext(menu_get_prompt(menu), help);
 }
 
 static void show_readme(void)
@@ -631,7 +678,7 @@ static void conf_load(void)
                 cprint(load_config_text);
                 cprint("11");
                 cprint("55");
-                cprint("%s", conf_filename);
+                cprint("%s", filename);
                 stat = exec_conf();
                 switch(stat) {
                 case 0:
@@ -660,7 +707,7 @@ static void conf_save(void)
                 cprint(save_config_text);
                 cprint("11");
                 cprint("55");
-                cprint("%s", conf_filename);
+                cprint("%s", filename);
                 stat = exec_conf();
                 switch(stat) {
                 case 0:
@@ -679,14 +726,35 @@ static void conf_save(void)
         }
 }
 
+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);
 
-        sprintf(menu_backtitle, "Configuration");
+        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);
 
@@ -702,10 +770,11 @@ int main(int ac, char **av)
         if (stat == 0) {
                 conf_write(NULL);
                 printf("\n\n"
-                        "*** End of configuration.\n"
-                        "*** Check the top-level Makefile for additional configuration.\n");
+                        "*** End of Linux kernel configuration.\n"
+                        "*** Check the top-level Makefile for additional configuration.\n"
+                        "*** Next, you may run 'make bzImage', 'make bzdisk', or 'make install'.\n\n");
         } else
-                printf("\n\nYour configuration changes were NOT saved.\n\n");
+                printf("\n\nYour kernel configuration changes were NOT saved.\n\n");
 
         return 0;
 }