struct stat st;
if (stat(path, &st))
- return 0;
+ return false;
return S_ISDIR(st.st_mode);
}
if (name) {
in = zconf_fopen(name);
} else {
- struct property *prop;
+ char *env;
name = conf_get_configname();
in = zconf_fopen(name);
if (in)
goto load;
sym_add_change_count(1);
- if (!sym_defconfig_list)
+
+ env = getenv("KCONFIG_DEFCONFIG_LIST");
+ if (!env)
return 1;
- for_all_defaults(sym_defconfig_list, prop) {
- if (expr_calc_value(prop->visible.expr) == no ||
- prop->expr->type != E_SYMBOL)
- continue;
- sym_calc_value(prop->expr->left.sym);
- name = sym_get_string_value(prop->expr->left.sym);
- in = zconf_fopen(name);
+ while (1) {
+ bool is_last;
+
+ while (isspace(*env))
+ env++;
+
+ if (!*env)
+ break;
+
+ p = env;
+ while (*p && !isspace(*p))
+ p++;
+
+ is_last = (*p == '\0');
+
+ *p = '\0';
+
+ in = zconf_fopen(env);
if (in) {
conf_message("using defaults found in %s",
- name);
+ env);
goto load;
}
+
+ if (is_last)
+ break;
+
+ env = p + 1;
}
}
if (!in)
conf_changed_callback = fn;
}
-static bool randomize_choice_values(struct symbol *csym)
-{
- struct property *prop;
- struct symbol *sym;
- struct expr *e;
- int cnt, def;
-
- /*
- * If choice is mod then we may have more items selected
- * and if no then no-one.
- * In both cases stop.
- */
- if (csym->curr.tri != yes)
- return false;
-
- prop = sym_get_choice_prop(csym);
-
- /* count entries in choice block */
- cnt = 0;
- expr_list_for_each_sym(prop->expr, e, sym)
- cnt++;
-
- /*
- * find a random value and set it to yes,
- * set the rest to no so we have only one set
- */
- def = (rand() % cnt);
-
- cnt = 0;
- expr_list_for_each_sym(prop->expr, e, sym) {
- if (def == cnt++) {
- sym->def[S_DEF_USER].tri = yes;
- csym->def[S_DEF_USER].val = sym;
- }
- else {
- sym->def[S_DEF_USER].tri = no;
- }
- sym->flags |= SYMBOL_DEF_USER;
- /* clear VALID to get value calculated */
- sym->flags &= ~SYMBOL_VALID;
- }
- csym->flags |= SYMBOL_DEF_USER;
- /* clear VALID to get value calculated */
- csym->flags &= ~(SYMBOL_VALID);
-
- return true;
-}
-
void set_all_choice_values(struct symbol *csym)
{
struct property *prop;
/* clear VALID to get value calculated */
csym->flags &= ~(SYMBOL_VALID | SYMBOL_NEED_SET_CHOICE_VALUES);
}
-
-bool conf_set_all_new_symbols(enum conf_def_mode mode)
-{
- struct symbol *sym, *csym;
- int i, cnt, pby, pty, ptm; /* pby: probability of bool = y
- * pty: probability of tristate = y
- * ptm: probability of tristate = m
- */
-
- pby = 50; pty = ptm = 33; /* can't go as the default in switch-case
- * below, otherwise gcc whines about
- * -Wmaybe-uninitialized */
- if (mode == def_random) {
- int n, p[3];
- char *env = getenv("KCONFIG_PROBABILITY");
- n = 0;
- while( env && *env ) {
- char *endp;
- int tmp = strtol( env, &endp, 10 );
- if( tmp >= 0 && tmp <= 100 ) {
- p[n++] = tmp;
- } else {
- errno = ERANGE;
- perror( "KCONFIG_PROBABILITY" );
- exit( 1 );
- }
- env = (*endp == ':') ? endp+1 : endp;
- if( n >=3 ) {
- break;
- }
- }
- switch( n ) {
- case 1:
- pby = p[0]; ptm = pby/2; pty = pby-ptm;
- break;
- case 2:
- pty = p[0]; ptm = p[1]; pby = pty + ptm;
- break;
- case 3:
- pby = p[0]; pty = p[1]; ptm = p[2];
- break;
- }
-
- if( pty+ptm > 100 ) {
- errno = ERANGE;
- perror( "KCONFIG_PROBABILITY" );
- exit( 1 );
- }
- }
- bool has_changed = false;
-
- for_all_symbols(i, sym) {
- if (sym_has_value(sym) || (sym->flags & SYMBOL_VALID))
- continue;
- switch (sym_get_type(sym)) {
- case S_BOOLEAN:
- case S_TRISTATE:
- has_changed = true;
- switch (mode) {
- case def_yes:
- sym->def[S_DEF_USER].tri = yes;
- break;
- case def_mod:
- sym->def[S_DEF_USER].tri = mod;
- break;
- case def_no:
- if (sym->flags & SYMBOL_ALLNOCONFIG_Y)
- sym->def[S_DEF_USER].tri = yes;
- else
- sym->def[S_DEF_USER].tri = no;
- break;
- case def_random:
- sym->def[S_DEF_USER].tri = no;
- cnt = rand() % 100;
- if (sym->type == S_TRISTATE) {
- if (cnt < pty)
- sym->def[S_DEF_USER].tri = yes;
- else if (cnt < (pty+ptm))
- sym->def[S_DEF_USER].tri = mod;
- } else if (cnt < pby)
- sym->def[S_DEF_USER].tri = yes;
- break;
- default:
- continue;
- }
- if (!(sym_is_choice(sym) && mode == def_random))
- sym->flags |= SYMBOL_DEF_USER;
- break;
- default:
- break;
- }
-
- }
-
- sym_clear_all_valid();
-
- /*
- * We have different type of choice blocks.
- * If curr.tri equals to mod then we can select several
- * choice symbols in one block.
- * In this case we do nothing.
- * If curr.tri equals yes then only one symbol can be
- * selected in a choice block and we set it to yes,
- * and the rest to no.
- */
- if (mode != def_random) {
- for_all_symbols(i, csym) {
- if ((sym_is_choice(csym) && !sym_has_value(csym)) ||
- sym_is_choice_value(csym))
- csym->flags |= SYMBOL_NEED_SET_CHOICE_VALUES;
- }
- }
-
- for_all_symbols(i, csym) {
- if (sym_has_value(csym) || !sym_is_choice(csym))
- continue;
-
- sym_calc_value(csym);
- if (mode == def_random)
- has_changed |= randomize_choice_values(csym);
- else {
- set_all_choice_values(csym);
- has_changed = true;
- }
- }
-
- return has_changed;
-}
-
-void conf_rewrite_mod_or_yes(enum conf_def_mode mode)
-{
- struct symbol *sym;
- int i;
- tristate old_val = (mode == def_y2m) ? yes : mod;
- tristate new_val = (mode == def_y2m) ? mod : yes;
-
- for_all_symbols(i, sym) {
- if (sym_get_type(sym) == S_TRISTATE &&
- sym->def[S_DEF_USER].tri == old_val)
- sym->def[S_DEF_USER].tri = new_val;
- }
- sym_clear_all_valid();
-}