From 5ff1caf38c2349b8d7bbaa794130e19430b01347 Mon Sep 17 00:00:00 2001
From: yhirose <yuji.hirose.bug@gmail.com>
Date: Fri, 24 Jan 2020 16:07:01 -0500
Subject: [PATCH] Fixed int overflow problem

---
 peglib.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/peglib.h b/peglib.h
index 1369fd4..f29ba1d 100644
--- a/peglib.h
+++ b/peglib.h
@@ -441,7 +441,7 @@ inline std::pair<size_t, size_t> line_info(const char* start, const char* cur) {
 /*
 * String tag
 */
-inline constexpr unsigned int str2tag(const char* str, int h = 0) {
+inline constexpr unsigned int str2tag(const char* str, unsigned int h = 0) {
     return (*str == '\0') ? h : str2tag(str + 1, (h * 33) ^ static_cast<unsigned char>(*str));
 }