From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file

---
 kernel/scripts/kconfig/preprocess.c |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/kernel/scripts/kconfig/preprocess.c b/kernel/scripts/kconfig/preprocess.c
index 8c7e51a..d1f5bcf 100644
--- a/kernel/scripts/kconfig/preprocess.c
+++ b/kernel/scripts/kconfig/preprocess.c
@@ -2,6 +2,7 @@
 //
 // Copyright (C) 2018 Masahiro Yamada <yamada.masahiro@socionext.com>
 
+#include <ctype.h>
 #include <stdarg.h>
 #include <stdbool.h>
 #include <stdio.h>
@@ -9,10 +10,12 @@
 #include <string.h>
 
 #include "list.h"
+#include "lkc.h"
 
 #define ARRAY_SIZE(arr)		(sizeof(arr) / sizeof((arr)[0]))
 
 static char *expand_string_with_args(const char *in, int argc, char *argv[]);
+static char *expand_string(const char *in);
 
 static void __attribute__((noreturn)) pperror(const char *format, ...)
 {
@@ -393,6 +396,9 @@
 
 		p++;
 	}
+
+	if (new_argc >= FUNCTION_MAX_ARGS)
+		pperror("too many function arguments");
 	new_argv[new_argc++] = prev;
 
 	/*
@@ -548,15 +554,14 @@
 	return __expand_string(&in, is_end_of_str, argc, argv);
 }
 
-char *expand_string(const char *in)
+static char *expand_string(const char *in)
 {
 	return expand_string_with_args(in, 0, NULL);
 }
 
 static bool is_end_of_token(char c)
 {
-	/* Why are '.' and '/' valid characters for symbols? */
-	return !(isalnum(c) || c == '_' || c == '-' || c == '.' || c == '/');
+	return !(isalnum(c) || c == '_' || c == '-');
 }
 
 /*

--
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