From e286a674419d31cb0757dd2f8307d8b4756cf1f9 Mon Sep 17 00:00:00 2001 From: Bernhard Reutner-Fischer Date: Sun, 3 Nov 2013 23:27:46 +0100 Subject: pull kconfig from linux-3.11 Signed-off-by: Bernhard Reutner-Fischer --- extra/config/conf.c | 357 ++++++++++++++++++++++++++++++++++++---------------- 1 file changed, 247 insertions(+), 110 deletions(-) (limited to 'extra/config/conf.c') diff --git a/extra/config/conf.c b/extra/config/conf.c index d623ed1d3..db0905319 100644 --- a/extra/config/conf.c +++ b/extra/config/conf.c @@ -10,42 +10,48 @@ #include #include #include +#include #include #include +#include -#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; -char *defconfig_file; +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 char nohelp_text[] = N_("Sorry, no help available for this option yet.\n"); - -static const char *get_help(struct menu *menu) +static void print_help(struct menu *menu) { - if (menu_has_help(menu)) - return _(menu_get_help(menu)); - else - return nohelp_text; + 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) @@ -93,16 +99,19 @@ static int conf_askvalue(struct symbol *sym, const char *def) } switch (input_mode) { - case ask_new: - case ask_silent: + case oldconfig: + case silentoldconfig: if (sym_has_value(sym)) { printf("%s\n", def); return 0; } check_stdin(); - case ask_all: + /* fall through */ + case oldaskconfig: fflush(stdout); - fgets(line, 128, stdin); + xfgets(line, 128, stdin); + if (!tty_stdio) + printf("\n"); return 1; default: break; @@ -121,7 +130,7 @@ static int conf_askvalue(struct symbol *sym, const char *def) return 1; } -int conf_string(struct menu *menu) +static int conf_string(struct menu *menu) { struct symbol *sym = menu->sym; const char *def; @@ -140,10 +149,11 @@ int conf_string(struct menu *menu) case '?': /* print help */ if (line[1] == '\n') { - printf("\n%s\n", get_help(menu)); + print_help(menu); def = NULL; break; } + /* fall through */ default: line[strlen(line)-1] = 0; def = line; @@ -156,14 +166,12 @@ int conf_string(struct menu *menu) static int conf_sym(struct menu *menu) { struct symbol *sym = menu->sym; - int type; tristate oldval, newval; 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) { @@ -220,7 +228,7 @@ static int conf_sym(struct menu *menu) if (sym_set_tristate_value(sym, newval)) return 0; help: - printf("\n%s\n", get_help(menu)); + print_help(menu); } } @@ -228,11 +236,9 @@ static int conf_choice(struct menu *menu) { struct symbol *sym, *def_sym; struct menu *child; - int type; 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); @@ -294,20 +300,21 @@ static int conf_choice(struct menu *menu) printf("?"); printf("]: "); switch (input_mode) { - case ask_new: - case ask_silent: + case oldconfig: + case silentoldconfig: if (!is_new) { cnt = def; printf("%d\n", cnt); break; } check_stdin(); - case ask_all: + /* fall through */ + case oldaskconfig: fflush(stdout); - fgets(line, 128, stdin); + xfgets(line, 128, stdin); strip(line); if (line[0] == '?') { - printf("\n%s\n", get_help(menu)); + print_help(menu); continue; } if (!line[0]) @@ -330,8 +337,8 @@ static int conf_choice(struct menu *menu) } if (!child) continue; - if (line[strlen(line) - 1] == '?') { - printf("\n%s\n", get_help(child)); + if (line[0] && line[strlen(line) - 1] == '?') { + print_help(child); continue; } sym_set_choice_value(sym, child->sym); @@ -360,10 +367,14 @@ static void conf(struct menu *menu) switch (prop->type) { case P_MENU: - if (input_mode == ask_silent && rootEntry != 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) @@ -418,10 +429,16 @@ static void check_conf(struct menu *menu) if (sym && !sym_has_value(sym)) { if (sym_is_changable(sym) || (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) { - if (!conf_cnt++) - printf(_("*\n* Restart config...\n*\n")); - rootEntry = menu_get_parent_menu(menu); - conf(rootEntry); + 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); + } } } @@ -429,90 +446,170 @@ static void check_conf(struct menu *menu) check_conf(child); } +#if 00 // || !defined __UCLIBC__ || \ + (defined UCLIBC_HAS_GETOPT_LONG || defined UCLIBC_HAS_GNU_GETOPT) +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] \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 New config with default defined in \n"); + printf(" --savedefconfig Save the minimal current configuration to \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"); +} +#else +static void conf_usage(const char *progname) +{ + + printf("Usage: %s [option] \n", progname); + printf("[option] is _one_ of the following:\n"); + printf(" -a, --oldaskconfig Start a new configuration using a line-oriented program\n"); + printf(" -s, --silentoldconfig Same as oldconfig, but quietly, additionally update deps\n"); + printf(" -o, --oldconfig Update a configuration using a provided .config as base\n"); + printf(" -n, --allnoconfig New config where all options are answered with no\n"); + printf(" -y, --allyesconfig New config where all options are answered with yes\n"); + printf(" -m, --allmodconfig New config where all options are answered with mod\n"); + printf(" -A, --alldefconfig New config with all symbols set to default\n"); + printf(" -r, --randconfig New config with random answer to all options\n"); + printf(" -D, --defconfig New config with default defined in \n"); + printf(" -S, --savedefconfig Save the minimal current configuration to \n"); + printf(" -l, --listnewconfig List new options\n"); + printf(" -d, --olddefconfig Same as silentoldconfig but sets new symbols to their default value\n"); + printf(" --oldnoconfig An alias of olddefconfig\n"); + +} +#endif + int main(int ac, char **av) { + const char *progname = av[0]; int opt; - const char *name; - const char *configname = conf_get_configname(); + const char *name, *defconfig_file = NULL /* gcc uninit */; struct stat tmpstat; setlocale(LC_ALL, ""); bindtextdomain(PACKAGE, LOCALEDIR); textdomain(PACKAGE); - while ((opt = getopt(ac, av, "osdD:nmyrh")) != -1) { + tty_stdio = isatty(0) && isatty(1) && isatty(2); + +#if 00// !defined __UCLIBC__ || \ + (defined UCLIBC_HAS_GETOPT_LONG || defined UCLIBC_HAS_GNU_GETOPT) + while ((opt = getopt_long(ac, av, "", long_opts, NULL)) != -1) +#else + char *gch = "asonymArDSld"; + while ((opt = getopt(ac, av, "asonymArD:S:ldh")) != -1) +#endif + { + char *x = memchr(gch, opt, strlen(gch)); + if (x == NULL) + opt = '?'; + else + opt = x - gch; + input_mode = (enum input_mode)opt; switch (opt) { - case 'o': - input_mode = ask_silent; - break; - case 's': - input_mode = ask_silent; + case silentoldconfig: sync_kconfig = 1; break; - case 'd': - input_mode = set_default; - break; - case 'D': - input_mode = set_default; + case defconfig: + case savedefconfig: defconfig_file = optarg; break; - case 'n': - input_mode = set_no; - break; - case 'm': - input_mode = set_mod; - break; - case 'y': - input_mode = set_yes; - break; - case 'r': + 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)); - srand(seed); - input_mode = set_random; + 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 'h': - printf(_("See README for usage info\n")); - exit(0); + case oldaskconfig: + case oldconfig: + case allnoconfig: + case allyesconfig: + case allmodconfig: + case alldefconfig: + case listnewconfig: + case olddefconfig: break; - default: - fprintf(stderr, _("See README for usage info\n")); + 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); //zconfdump(stdout); if (sync_kconfig) { - if (stat(configname, &tmpstat)) { + name = conf_get_configname(); + if (stat(name, &tmpstat)) { fprintf(stderr, _("***\n" - "*** You have not yet configured!\n" - "*** (missing .config file)\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")); + "***\n"), name); exit(1); } } switch (input_mode) { - case set_default: + case defconfig: if (!defconfig_file) defconfig_file = conf_get_default_confname(); if (conf_read(defconfig_file)) { @@ -522,31 +619,46 @@ int main(int ac, char **av) exit(1); } break; - case ask_silent: - case ask_all: - case ask_new: + case savedefconfig: + case silentoldconfig: + case oldaskconfig: + case oldconfig: + case listnewconfig: + case olddefconfig: conf_read(NULL); break; - case set_no: - case set_mod: - case set_yes: - case set_random: + case allnoconfig: + case allyesconfig: + case allmodconfig: + case alldefconfig: + case randconfig: name = getenv("KCONFIG_ALLCONFIG"); - if (name && !stat(name, &tmpstat)) { - conf_read_simple(name, S_DEF_USER); + 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 set_no: name = "allno.config"; break; - case set_mod: name = "allmod.config"; break; - case set_yes: name = "allyes.config"; break; - case set_random: name = "allrandom.config"; break; + 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 (!stat(name, &tmpstat)) - conf_read_simple(name, S_DEF_USER); - else if (!stat("all.config", &tmpstat)) - conf_read_simple("all.config", S_DEF_USER); + 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; @@ -557,41 +669,51 @@ int main(int ac, char **av) name = getenv("KCONFIG_NOSILENTUPDATE"); if (name && *name) { fprintf(stderr, - _("\n*** configuration requires explicit update.\n\n")); + _("\n*** The configuration requires explicit update.\n\n")); return 1; } } - valid_stdin = isatty(0) && isatty(1) && isatty(2); + valid_stdin = tty_stdio; } switch (input_mode) { - case set_no: + case allnoconfig: conf_set_all_new_symbols(def_no); break; - case set_yes: + case allyesconfig: conf_set_all_new_symbols(def_yes); break; - case set_mod: + case allmodconfig: conf_set_all_new_symbols(def_mod); break; - case set_random: - conf_set_all_new_symbols(def_random); + 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 set_default: + case defconfig: conf_set_all_new_symbols(def_default); break; - case ask_new: - case ask_all: + case savedefconfig: + break; + case oldaskconfig: rootEntry = &rootmenu; conf(&rootmenu); - input_mode = ask_silent; + input_mode = silentoldconfig; /* fall through */ - case ask_silent: + 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); + } while (conf_cnt && + (input_mode != listnewconfig && + input_mode != olddefconfig)); break; } @@ -607,7 +729,13 @@ int main(int ac, char **av) fprintf(stderr, _("\n*** Error during update of the configuration.\n\n")); return 1; } - } else { + } 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); @@ -615,3 +743,12 @@ int main(int ac, char **av) } 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"); +} -- cgit v1.2.3