From 9eafe6a2aac4e98b8f0bdcc01277623acdd2414c Mon Sep 17 00:00:00 2001
From: complexzeng <complexzeng@tencent.com>
Date: Wed, 24 Dec 2025 20:00:51 +0800
Subject: [PATCH] fix: correct buffer length calculation in ForceAscii function

---
 src/nbytes.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nbytes.cpp b/src/nbytes.cpp
index 86abed7..a827809 100644
--- a/src/nbytes.cpp
+++ b/src/nbytes.cpp
@@ -205,7 +205,7 @@ void ForceAscii(const char *src, char *dst, size_t len) {
       ForceAsciiSlow(src, dst, unalign);
       src += unalign;
       dst += unalign;
-      len -= src_unalign;
+      len -= unalign;
     } else {
       ForceAsciiSlow(src, dst, len);
       return;