226 static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)  in conf_set_sym_val()  argument
230 	switch (sym->type) {  in conf_set_sym_val()
233 			sym->def[def].tri = mod;  in conf_set_sym_val()
234 			sym->flags |= def_flags;  in conf_set_sym_val()
240 			sym->def[def].tri = yes;  in conf_set_sym_val()
241 			sym->flags |= def_flags;  in conf_set_sym_val()
245 			sym->def[def].tri = no;  in conf_set_sym_val()
246 			sym->flags |= def_flags;  in conf_set_sym_val()
251 				     p, sym->name);  in conf_set_sym_val()
273 		if (sym_string_valid(sym, p)) {  in conf_set_sym_val()
274 			sym->def[def].val = xstrdup(p);  in conf_set_sym_val()
275 			sym->flags |= def_flags;  in conf_set_sym_val()
279 					     p, sym->name);  in conf_set_sym_val()
350 	struct symbol *sym;  in conf_read_simple()  local
407 	for_all_symbols(i, sym) {  in conf_read_simple()
408 		sym->flags |= SYMBOL_CHANGED;  in conf_read_simple()
409 		sym->flags &= ~(def_flags|SYMBOL_VALID);  in conf_read_simple()
410 		if (sym_is_choice(sym))  in conf_read_simple()
411 			sym->flags |= def_flags;  in conf_read_simple()
412 		switch (sym->type) {  in conf_read_simple()
416 			if (sym->def[def].val)  in conf_read_simple()
417 				free(sym->def[def].val);  in conf_read_simple()
420 			sym->def[def].val = NULL;  in conf_read_simple()
421 			sym->def[def].tri = no;  in conf_read_simple()
427 		sym = NULL;  in conf_read_simple()
438 				sym = sym_find(line + 2 + strlen(CONFIG_));  in conf_read_simple()
439 				if (!sym) {  in conf_read_simple()
444 				sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);  in conf_read_simple()
445 				if (sym->type == S_UNKNOWN)  in conf_read_simple()
446 					sym->type = S_BOOLEAN;  in conf_read_simple()
448 			if (sym->flags & def_flags) {  in conf_read_simple()
449 				conf_warning("override: reassigning to symbol %s", sym->name);  in conf_read_simple()
451 			switch (sym->type) {  in conf_read_simple()
454 				sym->def[def].tri = no;  in conf_read_simple()
455 				sym->flags |= def_flags;  in conf_read_simple()
472 			sym = sym_find(line + strlen(CONFIG_));  in conf_read_simple()
473 			if (!sym) {  in conf_read_simple()
487 			if (sym->flags & def_flags) {  in conf_read_simple()
488 				conf_warning("override: reassigning to symbol %s", sym->name);  in conf_read_simple()
490 			if (conf_set_sym_val(sym, def, def_flags, p))  in conf_read_simple()
500 		if (sym && sym_is_choice_value(sym)) {  in conf_read_simple()
501 			struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));  in conf_read_simple()
502 			switch (sym->def[def].tri) {  in conf_read_simple()
507 					conf_warning("%s creates inconsistent choice state", sym->name);  in conf_read_simple()
513 					conf_warning("override: %s changes choice state", sym->name);  in conf_read_simple()
514 				cs->def[def].val = sym;  in conf_read_simple()
517 			cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);  in conf_read_simple()
527 	struct symbol *sym;  in conf_read()  local
540 	for_all_symbols(i, sym) {  in conf_read()
541 		sym_calc_value(sym);  in conf_read()
542 		if (sym_is_choice(sym) || (sym->flags & SYMBOL_NO_WRITE))  in conf_read()
544 		if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {  in conf_read()
546 			switch (sym->type) {  in conf_read()
549 				if (sym->def[S_DEF_USER].tri == sym_get_tristate_value(sym))  in conf_read()
553 				if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))  in conf_read()
557 		} else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))  in conf_read()
564 	for_all_symbols(i, sym) {  in conf_read()
565 		if (sym_has_value(sym) && !sym_is_choice_value(sym)) {  in conf_read()
571 			if (sym->visible == no && !conf_unsaved)  in conf_read()
572 				sym->flags &= ~SYMBOL_DEF_USER;  in conf_read()
573 			switch (sym->type) {  in conf_read()
578 				if (sym_string_within_range(sym, sym->def[S_DEF_USER].val))  in conf_read()
580 				sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);  in conf_read()
673 static void __print_symbol(FILE *fp, struct symbol *sym, enum output_n output_n,  in __print_symbol()  argument
679 	if (sym->type == S_UNKNOWN)  in __print_symbol()
682 	val = sym_get_string_value(sym);  in __print_symbol()
684 	if ((sym->type == S_BOOLEAN || sym->type == S_TRISTATE) &&  in __print_symbol()
687 			fprintf(fp, "# %s%s is not set\n", CONFIG_, sym->name);  in __print_symbol()
691 	if (sym->type == S_STRING && escape_string) {  in __print_symbol()
696 	fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, val);  in __print_symbol()
701 static void print_symbol_for_dotconfig(FILE *fp, struct symbol *sym)  in print_symbol_for_dotconfig()  argument
703 	__print_symbol(fp, sym, OUTPUT_N_AS_UNSET, true);  in print_symbol_for_dotconfig()
706 static void print_symbol_for_autoconf(FILE *fp, struct symbol *sym)  in print_symbol_for_autoconf()  argument
708 	__print_symbol(fp, sym, OUTPUT_N_NONE, false);  in print_symbol_for_autoconf()
711 void print_symbol_for_listconfig(struct symbol *sym)  in print_symbol_for_listconfig()  argument
713 	__print_symbol(stdout, sym, OUTPUT_N, true);  in print_symbol_for_listconfig()
716 static void print_symbol_for_c(FILE *fp, struct symbol *sym)  in print_symbol_for_c()  argument
723 	if (sym->type == S_UNKNOWN)  in print_symbol_for_c()
726 	val = sym_get_string_value(sym);  in print_symbol_for_c()
728 	switch (sym->type) {  in print_symbol_for_c()
752 	fprintf(fp, "#define %s%s%s %s%s\n", CONFIG_, sym->name, sym_suffix,  in print_symbol_for_c()
758 static void print_symbol_for_rustccfg(FILE *fp, struct symbol *sym)  in print_symbol_for_rustccfg()  argument
766 	if (sym->type == S_UNKNOWN)  in print_symbol_for_rustccfg()
769 	val = sym_get_string_value(sym);  in print_symbol_for_rustccfg()
771 	switch (sym->type) {  in print_symbol_for_rustccfg()
790 		fprintf(fp, "--cfg=%s%s\n", CONFIG_, sym->name);  in print_symbol_for_rustccfg()
811 	fprintf(fp, "--cfg=%s%s=%s\n", CONFIG_, sym->name, val);  in print_symbol_for_rustccfg()
823 	struct symbol *sym;  in conf_write_defconfig()  local
838 		sym = menu->sym;  in conf_write_defconfig()
839 		if (sym == NULL) {  in conf_write_defconfig()
842 		} else if (!sym_is_choice(sym)) {  in conf_write_defconfig()
843 			sym_calc_value(sym);  in conf_write_defconfig()
844 			if (!(sym->flags & SYMBOL_WRITE))  in conf_write_defconfig()
846 			sym->flags &= ~SYMBOL_WRITE;  in conf_write_defconfig()
848 			if (!sym_is_changeable(sym))  in conf_write_defconfig()
851 			if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0)  in conf_write_defconfig()
861 			if (sym_is_choice_value(sym)) {  in conf_write_defconfig()
865 				cs = prop_get_symbol(sym_get_choice_prop(sym));  in conf_write_defconfig()
867 				if (!sym_is_optional(cs) && sym == ds) {  in conf_write_defconfig()
868 					if ((sym->type == S_BOOLEAN) &&  in conf_write_defconfig()
869 					    sym_get_tristate_value(sym) == yes)  in conf_write_defconfig()
873 			print_symbol_for_dotconfig(out, sym);  in conf_write_defconfig()
897 	struct symbol *sym;  in conf_write()  local
940 		sym = menu->sym;  in conf_write()
941 		if (!sym) {  in conf_write()
950 		} else if (!(sym->flags & SYMBOL_CHOICE) &&  in conf_write()
951 			   !(sym->flags & SYMBOL_WRITTEN)) {  in conf_write()
952 			sym_calc_value(sym);  in conf_write()
953 			if (!(sym->flags & SYMBOL_WRITE))  in conf_write()
959 			sym->flags |= SYMBOL_WRITTEN;  in conf_write()
960 			print_symbol_for_dotconfig(out, sym);  in conf_write()
970 		if (!menu->sym && menu_is_visible(menu) && menu != &rootmenu &&  in conf_write()
986 	for_all_symbols(i, sym)  in conf_write()
987 		sym->flags &= ~SYMBOL_WRITTEN;  in conf_write()
1062 	struct symbol *sym;  in conf_touch_deps()  local
1077 	for_all_symbols(i, sym) {  in conf_touch_deps()
1078 		sym_calc_value(sym);  in conf_touch_deps()
1079 		if ((sym->flags & SYMBOL_NO_WRITE) || !sym->name)  in conf_touch_deps()
1081 		if (sym->flags & SYMBOL_WRITE) {  in conf_touch_deps()
1082 			if (sym->flags & SYMBOL_DEF_AUTO) {  in conf_touch_deps()
1087 				switch (sym->type) {  in conf_touch_deps()
1090 					if (sym_get_tristate_value(sym) ==  in conf_touch_deps()
1091 					    sym->def[S_DEF_AUTO].tri)  in conf_touch_deps()
1097 					if (!strcmp(sym_get_string_value(sym),  in conf_touch_deps()
1098 						    sym->def[S_DEF_AUTO].val))  in conf_touch_deps()
1109 				switch (sym->type) {  in conf_touch_deps()
1112 					if (sym_get_tristate_value(sym) == no)  in conf_touch_deps()
1119 		} else if (!(sym->flags & SYMBOL_DEF_AUTO))  in conf_touch_deps()
1128 		res = conf_touch_dep(sym->name);  in conf_touch_deps()
1142 	struct symbol *sym;  in __conf_write_autoconf()  local
1160 	for_all_symbols(i, sym)  in __conf_write_autoconf()
1161 		if ((sym->flags & SYMBOL_WRITE) && sym->name)  in __conf_write_autoconf()
1162 			print_symbol(file, sym);  in __conf_write_autoconf()
1181 	struct symbol *sym;  in conf_write_autoconf()  local
1195 	for_all_symbols(i, sym)  in conf_write_autoconf()
1196 		sym_calc_value(sym);  in conf_write_autoconf()
1248 	struct symbol *sym;  in set_all_choice_values()  local
1256 	expr_list_for_each_sym(prop->expr, e, sym) {  in set_all_choice_values()
1257 		if (!sym_has_value(sym))  in set_all_choice_values()
1258 			sym->def[S_DEF_USER].tri = no;  in set_all_choice_values()