From 78cf4cda3e1087db3369b5811b500a5c4465af7f Mon Sep 17 00:00:00 2001
From: zzstoatzz <thrast36@gmail.com>
Date: Sun, 1 Mar 2026 16:17:09 -0600
Subject: [PATCH] fix: widen u4 to u8 before shift in hexVal

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 src/main.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main.zig b/src/main.zig
index d9e0e7e..faa5228 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -811,7 +811,7 @@ fn queryParamDecoded(query: []const u8, name: []const u8, buf: []u8) ?[]const u8
                 continue;
             };
             if (out >= buf.len) return null;
-            buf[out] = (hi << 4) | lo;
+            buf[out] = (@as(u8, hi) << 4) | @as(u8, lo);
             out += 1;
             i += 3;
         } else if (raw[i] == '+') {
-- 
2.51.2