1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
103 	tmp[sizeof(tmp) - 1] = 0;  in make_parent_dir()
121 			return -1;  in make_parent_dir()
141 		return -1;  in conf_touch_dep()
146 	if (fd == -1)  in conf_touch_dep()
147 		return -1;  in conf_touch_dep()
241 	switch (sym->type) {  in conf_set_sym_val()
244 			sym->def[def].tri = mod;  in conf_set_sym_val()
245 			sym->flags |= def_flags;  in conf_set_sym_val()
251 			sym->def[def].tri = yes;  in conf_set_sym_val()
252 			sym->flags |= def_flags;  in conf_set_sym_val()
256 			sym->def[def].tri = no;  in conf_set_sym_val()
257 			sym->flags |= def_flags;  in conf_set_sym_val()
262 				     p, sym->name);  in conf_set_sym_val()
285 			sym->def[def].val = xstrdup(p);  in conf_set_sym_val()
286 			sym->flags |= def_flags;  in conf_set_sym_val()
290 					     p, sym->name);  in conf_set_sym_val()
294 	default:  in conf_set_sym_val()
307 	if (len > 0 && (*lineptr)[len - 1] == '\n') {  in getline_stripped()
308 		len--;  in getline_stripped()
311 		if (len > 0 && (*lineptr)[len - 1] == '\r') {  in getline_stripped()
312 			len--;  in getline_stripped()
388 		sym->flags &= ~(def_flags|SYMBOL_VALID);  in conf_read_simple()
389 		switch (sym->type) {  in conf_read_simple()
393 			free(sym->def[def].val);  in conf_read_simple()
395 		default:  in conf_read_simple()
396 			sym->def[def].val = NULL;  in conf_read_simple()
397 			sym->def[def].tri = no;  in conf_read_simple()
403 	while (getline_stripped(&line, &line_asize, in) != -1) {  in conf_read_simple()
461 		if (sym->flags & def_flags)  in conf_read_simple()
462 			conf_warning("override: reassigning to symbol %s", sym->name);  in conf_read_simple()
474 			list_move(&sym->choice_link, &choice->choice_members);  in conf_read_simple()
499 		if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {  in conf_read()
501 			switch (sym->type) {  in conf_read()
504 				if (sym->def[S_DEF_USER].tri == sym_get_tristate_value(sym))  in conf_read()
507 			default:  in conf_read()
508 				if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))  in conf_read()
512 		} else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))  in conf_read()
548 	fprintf(fp, "%s\n", cs->prefix);  in conf_write_heading()
551 		cs->decoration);  in conf_write_heading()
553 	fprintf(fp, "%s %s\n", cs->decoration, rootmenu.prompt->text);  in conf_write_heading()
555 	fprintf(fp, "%s\n", cs->postfix);  in conf_write_heading()
609 	if (sym->type == S_UNKNOWN)  in __print_symbol()
614 	if ((sym->type == S_BOOLEAN || sym->type == S_TRISTATE) &&  in __print_symbol()
617 			fprintf(fp, "# %s%s is not set\n", CONFIG_, sym->name);  in __print_symbol()
621 	if (sym->type == S_STRING && escape_string) {  in __print_symbol()
626 	fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, val);  in __print_symbol()
653 	if (sym->type == S_UNKNOWN)  in print_symbol_for_c()
658 	switch (sym->type) {  in print_symbol_for_c()
667 		default:  in print_symbol_for_c()
678 	default:  in print_symbol_for_c()
682 	fprintf(fp, "#define %s%s%s %s%s\n", CONFIG_, sym->name, sym_suffix,  in print_symbol_for_c()
696 	if (sym->type == S_UNKNOWN)  in print_symbol_for_rustccfg()
701 	switch (sym->type) {  in print_symbol_for_rustccfg()
713 		 * we provide an empty `--cfg CONFIG_X` here in both `y`  in print_symbol_for_rustccfg()
717 		 * a `--cfg CONFIG_X="y"` or `--cfg CONFIG_X="m"`, which can  in print_symbol_for_rustccfg()
720 		fprintf(fp, "--cfg=%s%s\n", CONFIG_, sym->name);  in print_symbol_for_rustccfg()
726 	default:  in print_symbol_for_rustccfg()
737 	/* All values get escaped: the `--cfg` option only takes strings */  in print_symbol_for_rustccfg()
741 	fprintf(fp, "--cfg=%s%s=%s\n", CONFIG_, sym->name, val);  in print_symbol_for_rustccfg()
749  * All values that has default values are skipped as this is redundant.
766 		sym = menu->sym;  in conf_write_defconfig()
772 		if (!(sym->flags & SYMBOL_WRITE))  in conf_write_defconfig()
774 		sym->flags &= ~SYMBOL_WRITE;  in conf_write_defconfig()
778 		/* Skip symbols that are equal to the default */  in conf_write_defconfig()
782 		/* Skip choice values that are equal to the default */  in conf_write_defconfig()
812 		return -1;  in conf_write()
817 		return -1;  in conf_write()
821 		return -1;  in conf_write()
842 		sym = menu->sym;  in conf_write()
853 			   !(sym->flags & SYMBOL_WRITTEN)) {  in conf_write()
855 			if (!(sym->flags & SYMBOL_WRITE))  in conf_write()
861 			sym->flags |= SYMBOL_WRITTEN;  in conf_write()
866 		if (menu->list) {  in conf_write()
867 			menu = menu->list;  in conf_write()
872 		if (!menu->sym && menu_is_visible(menu) && menu != &rootmenu &&  in conf_write()
873 		    menu->prompt->type == P_MENU) {  in conf_write()
878 		if (menu->next) {  in conf_write()
879 			menu = menu->next;  in conf_write()
881 			menu = menu->parent;  in conf_write()
889 		sym->flags &= ~SYMBOL_WRITTEN;  in conf_write()
921 		return -1;  in conf_write_autoconf_cmd()
924 		return -1;  in conf_write_autoconf_cmd()
928 		return -1;  in conf_write_autoconf_cmd()
933 		return -1;  in conf_write_autoconf_cmd()
944 		return -1;  in conf_write_autoconf_cmd()
948 		return -1;  in conf_write_autoconf_cmd()
962 	depfile_prefix_len = tmp ? tmp - name + 1 : 0;  in conf_touch_deps()
964 		return -1;  in conf_touch_deps()
976 		if (sym->flags & SYMBOL_WRITE) {  in conf_touch_deps()
977 			if (sym->flags & SYMBOL_DEF_AUTO) {  in conf_touch_deps()
982 				switch (sym->type) {  in conf_touch_deps()
986 					    sym->def[S_DEF_AUTO].tri)  in conf_touch_deps()
993 						    sym->def[S_DEF_AUTO].val))  in conf_touch_deps()
996 				default:  in conf_touch_deps()
1004 				switch (sym->type) {  in conf_touch_deps()
1010 				default:  in conf_touch_deps()
1014 		} else if (!(sym->flags & SYMBOL_DEF_AUTO))  in conf_touch_deps()
1023 		res = conf_touch_dep(sym->name);  in conf_touch_deps()
1041 		return -1;  in __conf_write_autoconf()
1045 		return -1;  in __conf_write_autoconf()
1050 		return -1;  in __conf_write_autoconf()
1056 		if ((sym->flags & SYMBOL_WRITE) && sym->name)  in __conf_write_autoconf()
1064 		return -1;  in __conf_write_autoconf()
1068 		return -1;  in __conf_write_autoconf()
1085 		return -1;  in conf_write_autoconf()