kconfig: Sync with upstream v5.0

This commit introduces the following upstream changes:

2648ca1859bb kconfig: clean generated *conf-cfg files
d86271af6460 kconfig: rename generated .*conf-cfg to *conf-cfg
ba97df45581f kbuild: use assignment instead of define ... endef for filechk_* rules
a5003571e627 kconfig: remove unused "file" field of yylval union
f222b7f43661 kconfig: surround dbg_sym_flags with #ifdef DEBUG to fix gconf warning
3b541978562a kconfig: split images.c out of qconf.cc/gconf.c to fix gconf warnings
9abe42371b44 kconfig: add static qualifiers to fix gconf warnings
cbafbf7f551c kconfig: split the lexer out of zconf.y
558e78e3ce84 kconfig: split some C files out of zconf.y
0c874100108f kconfig: convert to SPDX License Identifier
979f2b2f7936 kconfig: remove keyword lookup table entirely
4b31a32caf0a kconfig: update current_pos in the second lexer
824fa3b3b5e3 kconfig: switch to ASSIGN_VAL state in the second lexer
b3d1d9d3c362 kconfig: stop associating kconf_id with yylval
caaebb3c6de3 kconfig: refactor end token rules
f5451582c4e2 kconfig: stop supporting '.' and '/' in unquoted words
171a515d0803 kconfig: use T_WORD instead of T_VARIABLE for variables
c3d228713b10 kconfig: use specific tokens instead of T_ASSIGN for assignments
ce2164ab5831 kconfig: refactor scanning and parsing "option" properties
3c8f317d4cf1 kconfig: use distinct tokens for type and default properties
a01e5d242d93 kconfig: remove redundant token defines
4b5ec81bfeda kconfig: rename depends_list to comment_option_list
1f31be9ec0a9 kconfig: loosen the order of "visible" and "depends on" in menu entry
94d4e1b6021b kconfig: remove redundant menu_block rule
4891796c6f83 kconfig: remove redundant if_block rule
2f60e46e605a kconfig: remove grammatically ambiguous option_error
6900ae9eeee3 kconfig: remove grammatically ambiguous "unexpected option" diagnostic
723679339d08 kconfig: warn no new line at end of file
0bcc547ec4b0 kconfig: clean up EOF handling in the lexer
cc66bca775ee kconfig: fix ambiguous grammar in terms of new lines
21c5ecf60472 kconfig: refactor pattern matching in STRING state
be3c8075978a kconfig: remove unneeded pattern matching to whitespaces
413cd19d81fd kconfig: require T_EOL to reduce visible statement
fbac5977d81c kconfig: fix memory leak when EOF is encountered in quotation
77c1c0fa8b14 kconfig: fix file name and line number of warn_ignored_character()
0cbe3ac439bf kconfig: remove k_invalid from expr_parse_string() return type
2aabbed6774f kconfig: remove S_OTHER symbol type and correct dependency tracking
1508fec82e39 kconfig: split out code touching a file to conf_touch_dep()
0849d212e395 kconfig: rename conf_split_config() to conf_touch_deps()
75889e9be78f kconfig: remove unneeded setsym label in conf_read_simple()
a9b722847872 scripts/kconfig/merge_config: don't redefine 'y' to 'm'

Signed-off-by: Chris Packham <judge.packham@gmail.com>

1 files changed, 5 insertions, 13 deletions

diff --git a/kconfig/expr.c b/kconfig/expr.c
index e1a39e90..77ffff3a 100644
--- a/kconfig/expr.c
+++ b/kconfig/expr.c
@@ -1,8 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
- * Released under the terms of the GNU GPL v2.0.
  */
 
+#include <ctype.h>
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -980,7 +982,6 @@ enum string_value_kind {
 	k_string,
 	k_signed,
 	k_unsigned,
-	k_invalid
 };
 
 union string_value {
@@ -1011,13 +1012,10 @@ static enum string_value_kind expr_parse_string(const char *str,
 		val->u = strtoull(str, &tail, 16);
 		kind = k_unsigned;
 		break;
-	case S_STRING:
-	case S_UNKNOWN:
+	default:
 		val->s = strtoll(str, &tail, 0);
 		kind = k_signed;
 		break;
-	default:
-		return k_invalid;
 	}
 	return !errno && !*tail && tail > str && isxdigit(tail[-1])
 	       ? kind : k_string;
@@ -1073,13 +1071,7 @@ tristate expr_calc_value(struct expr *e)
 
 	if (k1 == k_string || k2 == k_string)
 		res = strcmp(str1, str2);
-	else if (k1 == k_invalid || k2 == k_invalid) {
-		if (e->type != E_EQUAL && e->type != E_UNEQUAL) {
-			printf("Cannot compare \"%s\" and \"%s\"\n", str1, str2);
-			return no;
-		}
-		res = strcmp(str1, str2);
-	} else if (k1 == k_unsigned || k2 == k_unsigned)
+	else if (k1 == k_unsigned || k2 == k_unsigned)
 		res = (lval.u > rval.u) - (lval.u < rval.u);
 	else /* if (k1 == k_signed && k2 == k_signed) */
 		res = (lval.s > rval.s) - (lval.s < rval.s);