Synchronise with v3.16

[kconfig-frontends] / frontends / conf / conf.c

diff --git a/frontends/conf/conf.c b/frontends/conf/conf.c
index 0dc4a2c779b119ec51e2eb5b3f17c5a4d02645fb..fef75fc756f40bfa5ae89c942e49f80719204bb9 100644 (file)
--- a/frontends/conf/conf.c
+++ b/frontends/conf/conf.c
@@ -13,6 +13,7 @@
 #include <getopt.h>
 #include <sys/stat.h>
 #include <sys/time.h>
+#include <errno.h>
 
 #include "lkc.h"
 
@@ -32,10 +33,11 @@ enum input_mode {
        defconfig,
        savedefconfig,
        listnewconfig,
-       oldnoconfig,
+       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;
@@ -108,6 +110,8 @@ static int conf_askvalue(struct symbol *sym, const char *def)
        case oldaskconfig:
                fflush(stdout);
                xfgets(line, 128, stdin);
+               if (!tty_stdio)
+                       printf("\n");
                return 1;
        default:
                break;
@@ -365,7 +369,7 @@ static void conf(struct menu *menu)
                case P_MENU:
                        if ((input_mode == silentoldconfig ||
                             input_mode == listnewconfig ||
-                            input_mode == oldnoconfig) &&
+                            input_mode == olddefconfig) &&
                            rootEntry != menu) {
                                check_conf(menu);
                                return;
@@ -429,7 +433,7 @@ static void check_conf(struct menu *menu)
                                if (sym->name && !sym_is_choice_value(sym)) {
                                        printf("%s%s\n", CONFIG_, sym->name);
                                }
-                       } else if (input_mode != oldnoconfig) {
+                       } else if (input_mode != olddefconfig) {
                                if (!conf_cnt++)
                                        printf(_("*\n* Restart config...\n*\n"));
                                rootEntry = menu_get_parent_menu(menu);
@@ -454,7 +458,13 @@ static struct option long_opts[] = {
        {"alldefconfig",    no_argument,       NULL, alldefconfig},
        {"randconfig",      no_argument,       NULL, randconfig},
        {"listnewconfig",   no_argument,       NULL, listnewconfig},
-       {"oldnoconfig",     no_argument,       NULL, oldnoconfig},
+       {"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}
 };
 
@@ -467,7 +477,8 @@ static void conf_usage(const char *progname)
        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("  --oldnoconfig           Same as silentoldconfig but set new symbols to no\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");
@@ -488,6 +499,8 @@ int main(int ac, char **av)
        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) {
@@ -502,14 +515,24 @@ int main(int ac, char **av)
                {
                        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;
                }
@@ -520,7 +543,7 @@ int main(int ac, char **av)
                case allmodconfig:
                case alldefconfig:
                case listnewconfig:
-               case oldnoconfig:
+               case olddefconfig:
                        break;
                case '?':
                        conf_usage(progname);
@@ -565,7 +588,7 @@ int main(int ac, char **av)
        case oldaskconfig:
        case oldconfig:
        case listnewconfig:
-       case oldnoconfig:
+       case olddefconfig:
                conf_read(NULL);
                break;
        case allnoconfig:
@@ -614,7 +637,7 @@ int main(int ac, char **av)
                                return 1;
                        }
                }
-               valid_stdin = isatty(0) && isatty(1) && isatty(2);
+               valid_stdin = tty_stdio;
        }
 
        switch (input_mode) {
@@ -631,7 +654,8 @@ int main(int ac, char **av)
                conf_set_all_new_symbols(def_default);
                break;
        case randconfig:
-               conf_set_all_new_symbols(def_random);
+               /* 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);
@@ -645,7 +669,7 @@ int main(int ac, char **av)
                /* fall through */
        case oldconfig:
        case listnewconfig:
-       case oldnoconfig:
+       case olddefconfig:
        case silentoldconfig:
                /* Update until a loop caused no more changes */
                do {
@@ -653,7 +677,7 @@ int main(int ac, char **av)
                        check_conf(&rootmenu);
                } while (conf_cnt &&
                         (input_mode != listnewconfig &&
-                         input_mode != oldnoconfig));
+                         input_mode != olddefconfig));
                break;
        }
 
@@ -672,7 +696,7 @@ int main(int ac, char **av)
        } else if (input_mode == savedefconfig) {
                if (conf_write_defconfig(defconfig_file)) {
                        fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"),
-                               defconfig_file);
+                               defconfig_file);
                        return 1;
                }
        } else if (input_mode != listnewconfig) {