From 5c48c75fdcbce78b57930391c34091d199fccc7d Mon Sep 17 00:00:00 2001
From: Martin Michelsen <fuzziqersoftware+g@gmail.com>
Date: Sun, 24 Sep 2023 08:57:07 -0700
Subject: [PATCH] fix decode_sjis

---
 src/Text.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Text.cc b/src/Text.cc
index 4f85d0b0..3dcfdfbe 100644
--- a/src/Text.cc
+++ b/src/Text.cc
@@ -136,7 +136,7 @@ std::u16string decode_sjis(const char* src, size_t src_count) {
       if (src == src_end) {
         throw runtime_error("incomplete extended character");
       }
-      src_char = (src_char << 8) | *(src++);
+      src_char = (src_char << 8) | static_cast<uint8_t>(*(src++));
       if ((src_char & 0xFF) == 0) {
         throw runtime_error("incomplete extended character");
       }
@@ -167,7 +167,7 @@ size_t decode_sjis(
       if (src == src_end) {
         throw runtime_error("incomplete extended character");
       }
-      src_char = (src_char << 8) | *(src++);
+      src_char = (src_char << 8) | static_cast<uint8_t>(*(src++));
       if ((src_char & 0xFF) == 0) {
         throw runtime_error("incomplete extended character");
       }