From 35e71ef44e0c94d51d44914f3c61f6f53402a505 Mon Sep 17 00:00:00 2001
From: Ruakij <ruakij@ruekov.eu>
Date: Mon, 22 Nov 2021 21:19:10 +0100
Subject: [PATCH] Fixed default value

---
 helper/string-helper.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/helper/string-helper.hpp b/helper/string-helper.hpp
index 3bc41a6..016fcd1 100644
--- a/helper/string-helper.hpp
+++ b/helper/string-helper.hpp
@@ -17,8 +17,8 @@ std::vector<std::string> split(const std::string& s, char delimiter)
    return tokens;
 }
 
-char hex_char_to_int( char c ) {
-    unsigned result = -1;
+char hex_char_to_int(const char &c) {
+    unsigned char result = 0;
     if( ('0' <= c) && (c <= '9') ) {
         result = c - '0';
     }