The cirros image was rebuilt against the 3.13.0-83 kernel, drivers e1000e, igbvf...
[packages/trusty/cirros-testvm.git] / cirros-testvm / src-cirros / buildroot-2015.05 / support / kconfig / conf.c
diff --git a/cirros-testvm/src-cirros/buildroot-2015.05/support/kconfig/conf.c b/cirros-testvm/src-cirros/buildroot-2015.05/support/kconfig/conf.c
new file mode 100644 (file)
index 0000000..553fc76
--- /dev/null
@@ -0,0 +1,717 @@
+/*
+ * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
+ * Released under the terms of the GNU GPL v2.0.
+ */
+
+#include <locale.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <errno.h>
+
+#include "lkc.h"
+
+static void conf(struct menu *menu);
+static void check_conf(struct menu *menu);
+static void xfgets(char *str, int size, FILE *in);
+
+enum input_mode {
+       oldaskconfig,
+       silentoldconfig,
+       oldconfig,
+       allnoconfig,
+       allyesconfig,
+       allmodconfig,
+       alldefconfig,
+       randconfig,
+       defconfig,
+       savedefconfig,
+       listnewconfig,
+       olddefconfig,
+} input_mode = oldaskconfig;
+
+static int indent = 1;
+static int tty_stdio;
+static int valid_stdin = 1;
+static int sync_kconfig;
+static int conf_cnt;
+static char line[128];
+static struct menu *rootEntry;
+
+static void print_help(struct menu *menu)
+{
+       struct gstr help = str_new();
+
+       menu_get_ext_help(menu, &help);
+
+       printf("\n%s\n", str_get(&help));
+       str_free(&help);
+}
+
+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 check_stdin(void)
+{
+       if (!valid_stdin) {
+               printf(_("aborted!\n\n"));
+               printf(_("Console input/output is redirected. "));
+               printf(_("Run 'make oldconfig' to update configuration.\n\n"));
+               exit(1);
+       }
+}
+
+static int conf_askvalue(struct symbol *sym, const char *def)
+{
+       enum symbol_type type = sym_get_type(sym);
+
+       if (!sym_has_value(sym))
+               printf(_("(NEW) "));
+
+       line[0] = '\n';
+       line[1] = 0;
+
+       if (!sym_is_changable(sym)) {
+               printf("%s\n", def);
+               line[0] = '\n';
+               line[1] = 0;
+               return 0;
+       }
+
+       switch (input_mode) {
+       case oldconfig:
+       case silentoldconfig:
+               if (sym_has_value(sym)) {
+                       printf("%s\n", def);
+                       return 0;
+               }
+               check_stdin();
+               /* fall through */
+       case oldaskconfig:
+               fflush(stdout);
+               xfgets(line, 128, stdin);
+               if (!tty_stdio)
+                       printf("\n");
+               return 1;
+       default:
+               break;
+       }
+
+       switch (type) {
+       case S_INT:
+       case S_HEX:
+       case S_STRING:
+               printf("%s\n", def);
+               return 1;
+       default:
+               ;
+       }
+       printf("%s", line);
+       return 1;
+}
+
+static int conf_string(struct menu *menu)
+{
+       struct symbol *sym = menu->sym;
+       const char *def;
+
+       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);
+               if (!conf_askvalue(sym, def))
+                       return 0;
+               switch (line[0]) {
+               case '\n':
+                       break;
+               case '?':
+                       /* print help */
+                       if (line[1] == '\n') {
+                               print_help(menu);
+                               def = NULL;
+                               break;
+                       }
+                       /* fall through */
+               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;
+       tristate oldval, newval;
+
+       while (1) {
+               printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
+               if (sym->name)
+                       printf("(%s) ", sym->name);
+               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 (menu_has_help(menu))
+                       printf("/?");
+               printf("] ");
+               if (!conf_askvalue(sym, sym_get_string_value(sym)))
+                       return 0;
+               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:
+               print_help(menu);
+       }
+}
+
+static int conf_choice(struct menu *menu)
+{
+       struct symbol *sym, *def_sym;
+       struct menu *child;
+       bool is_new;
+
+       sym = menu->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 {
+               switch (sym_get_tristate_value(sym)) {
+               case no:
+                       return 1;
+               case mod:
+                       printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
+                       return 0;
+               case yes:
+                       break;
+               }
+       }
+
+       while (1) {
+               int cnt, def;
+
+               printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
+               def_sym = sym_get_choice_value(sym);
+               cnt = def = 0;
+               line[0] = 0;
+               for (child = menu->list; child; child = child->next) {
+                       if (!menu_is_visible(child))
+                               continue;
+                       if (!child->sym) {
+                               printf("%*c %s\n", indent, '*', _(menu_get_prompt(child)));
+                               continue;
+                       }
+                       cnt++;
+                       if (child->sym == def_sym) {
+                               def = cnt;
+                               printf("%*c", indent, '>');
+                       } else
+                               printf("%*c", indent, ' ');
+                       printf(" %d. %s", cnt, _(menu_get_prompt(child)));
+                       if (child->sym->name)
+                               printf(" (%s)", child->sym->name);
+                       if (!sym_has_value(child->sym))
+                               printf(_(" (NEW)"));
+                       printf("\n");
+               }
+               printf(_("%*schoice"), indent - 1, "");
+               if (cnt == 1) {
+                       printf("[1]: 1\n");
+                       goto conf_childs;
+               }
+               printf("[1-%d", cnt);
+               if (menu_has_help(menu))
+                       printf("?");
+               printf("]: ");
+               switch (input_mode) {
+               case oldconfig:
+               case silentoldconfig:
+                       if (!is_new) {
+                               cnt = def;
+                               printf("%d\n", cnt);
+                               break;
+                       }
+                       check_stdin();
+                       /* fall through */
+               case oldaskconfig:
+                       fflush(stdout);
+                       xfgets(line, 128, stdin);
+                       strip(line);
+                       if (line[0] == '?') {
+                               print_help(menu);
+                               continue;
+                       }
+                       if (!line[0])
+                               cnt = def;
+                       else if (isdigit(line[0]))
+                               cnt = atoi(line);
+                       else
+                               continue;
+                       break;
+               default:
+                       break;
+               }
+
+       conf_childs:
+               for (child = menu->list; child; child = child->next) {
+                       if (!child->sym || !menu_is_visible(child))
+                               continue;
+                       if (!--cnt)
+                               break;
+               }
+               if (!child)
+                       continue;
+               if (line[0] && line[strlen(line) - 1] == '?') {
+                       print_help(child);
+                       continue;
+               }
+               sym_set_choice_value(sym, child->sym);
+               for (child = child->list; child; child = child->next) {
+                       indent += 2;
+                       conf(child);
+                       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 == silentoldconfig ||
+                            input_mode == listnewconfig ||
+                            input_mode == olddefconfig) &&
+                           rootEntry != menu) {
+                               check_conf(menu);
+                               return;
+                       }
+                       /* fall through */
+               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 (sym->curr.tri != 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 && !sym_has_value(sym)) {
+               if (sym_is_changable(sym) ||
+                   (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
+                       if (input_mode == listnewconfig) {
+                               if (sym->name && !sym_is_choice_value(sym)) {
+                                       printf("%s%s\n", CONFIG_, sym->name);
+                               }
+                       } else if (input_mode != olddefconfig) {
+                               if (!conf_cnt++)
+                                       printf(_("*\n* Restart config...\n*\n"));
+                               rootEntry = menu_get_parent_menu(menu);
+                               conf(rootEntry);
+                       }
+               }
+       }
+
+       for (child = menu->list; child; child = child->next)
+               check_conf(child);
+}
+
+static struct option long_opts[] = {
+       {"oldaskconfig",    no_argument,       NULL, oldaskconfig},
+       {"oldconfig",       no_argument,       NULL, oldconfig},
+       {"silentoldconfig", no_argument,       NULL, silentoldconfig},
+       {"defconfig",       optional_argument, NULL, defconfig},
+       {"savedefconfig",   required_argument, NULL, savedefconfig},
+       {"allnoconfig",     no_argument,       NULL, allnoconfig},
+       {"allyesconfig",    no_argument,       NULL, allyesconfig},
+       {"allmodconfig",    no_argument,       NULL, allmodconfig},
+       {"alldefconfig",    no_argument,       NULL, alldefconfig},
+       {"randconfig",      no_argument,       NULL, randconfig},
+       {"listnewconfig",   no_argument,       NULL, listnewconfig},
+       {"olddefconfig",    no_argument,       NULL, olddefconfig},
+       /*
+        * oldnoconfig is an alias of olddefconfig, because people already
+        * are dependent on its behavior(sets new symbols to their default
+        * value but not 'n') with the counter-intuitive name.
+        */
+       {"oldnoconfig",     no_argument,       NULL, olddefconfig},
+       {NULL, 0, NULL, 0}
+};
+
+static void conf_usage(const char *progname)
+{
+
+       printf("Usage: %s [option] <kconfig-file>\n", progname);
+       printf("[option] is _one_ of the following:\n");
+       printf("  --listnewconfig         List new options\n");
+       printf("  --oldaskconfig          Start a new configuration using a line-oriented program\n");
+       printf("  --oldconfig             Update a configuration using a provided .config as base\n");
+       printf("  --silentoldconfig       Same as oldconfig, but quietly, additionally update deps\n");
+       printf("  --olddefconfig          Same as silentoldconfig but sets new symbols to their default value\n");
+       printf("  --oldnoconfig           An alias of olddefconfig\n");
+       printf("  --defconfig <file>      New config with default defined in <file>\n");
+       printf("  --savedefconfig <file>  Save the minimal current configuration to <file>\n");
+       printf("  --allnoconfig           New config where all options are answered with no\n");
+       printf("  --allyesconfig          New config where all options are answered with yes\n");
+       printf("  --allmodconfig          New config where all options are answered with mod\n");
+       printf("  --alldefconfig          New config with all symbols set to default\n");
+       printf("  --randconfig            New config with random answer to all options\n");
+}
+
+int main(int ac, char **av)
+{
+       const char *progname = av[0];
+       int opt;
+       const char *name, *defconfig_file = NULL /* gcc uninit */;
+       struct stat tmpstat;
+
+       setlocale(LC_ALL, "");
+       bindtextdomain(PACKAGE, LOCALEDIR);
+       textdomain(PACKAGE);
+
+       tty_stdio = isatty(0) && isatty(1) && isatty(2);
+
+       while ((opt = getopt_long(ac, av, "", long_opts, NULL)) != -1) {
+               input_mode = (enum input_mode)opt;
+               switch (opt) {
+               case silentoldconfig:
+                       sync_kconfig = 1;
+                       break;
+               case defconfig:
+               case savedefconfig:
+                       defconfig_file = optarg;
+                       break;
+               case randconfig:
+               {
+                       struct timeval now;
+                       unsigned int seed;
+                       char *seed_env;
+
+                       /*
+                        * Use microseconds derived seed,
+                        * compensate for systems where it may be zero
+                        */
+                       gettimeofday(&now, NULL);
+                       seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
+
+                       seed_env = getenv("KCONFIG_SEED");
+                       if( seed_env && *seed_env ) {
+                               char *endp;
+                               int tmp = (int)strtol(seed_env, &endp, 0);
+                               if (*endp == '\0') {
+                                       seed = tmp;
+                               }
+                       }
+                       fprintf( stderr, "KCONFIG_SEED=0x%X\n", seed );
+                       srand(seed);
+                       break;
+               }
+               case oldaskconfig:
+               case oldconfig:
+               case allnoconfig:
+               case allyesconfig:
+               case allmodconfig:
+               case alldefconfig:
+               case listnewconfig:
+               case olddefconfig:
+                       break;
+               case '?':
+                       conf_usage(progname);
+                       exit(1);
+                       break;
+               }
+       }
+       if (ac == optind) {
+               printf(_("%s: Kconfig file missing\n"), av[0]);
+               conf_usage(progname);
+               exit(1);
+       }
+       name = av[optind];
+       conf_parse(name);
+       if (sync_kconfig) {
+               name = conf_get_configname();
+               if (stat(name, &tmpstat)) {
+                       fprintf(stderr, _("***\n"
+                               "*** Configuration file \"%s\" not found!\n"
+                               "***\n"
+                               "*** Please run some configurator (e.g. \"make oldconfig\" or\n"
+                               "*** \"make menuconfig\" or \"make xconfig\").\n"
+                               "***\n"), name);
+                       exit(1);
+               }
+       }
+
+       switch (input_mode) {
+       case defconfig:
+               if (!defconfig_file)
+                       defconfig_file = conf_get_default_confname();
+               if (conf_read(defconfig_file)) {
+                       printf(_("***\n"
+                               "*** Can't find default configuration \"%s\"!\n"
+                               "***\n"), defconfig_file);
+                       exit(1);
+               }
+               break;
+       case savedefconfig:
+       case silentoldconfig:
+       case oldaskconfig:
+       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) {
+               if (conf_get_changed()) {
+                       name = getenv("KCONFIG_NOSILENTUPDATE");
+                       if (name && *name) {
+                               fprintf(stderr,
+                                       _("\n*** The configuration requires explicit update.\n\n"));
+                               return 1;
+                       }
+               }
+               valid_stdin = tty_stdio;
+       }
+
+       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 = silentoldconfig;
+               /* fall through */
+       case oldconfig:
+       case listnewconfig:
+       case olddefconfig:
+       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 != olddefconfig));
+               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 configuration.\n\n"));
+                       exit(1);
+               }
+               if (conf_write_autoconf()) {
+                       fprintf(stderr, _("\n*** Error during update of the 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 configuration.\n\n"));
+                       exit(1);
+               }
+       }
+       return 0;
+}
+
+/*
+ * Helper function to facilitate fgets() by Jean Sacren.
+ */
+void xfgets(char *str, int size, FILE *in)
+{
+       if (fgets(str, size, in) == NULL)
+               fprintf(stderr, "\nError in reading or end of file.\n");
+}