From b020cf26b8f35aa82a091e02945325af4b2534b0 Mon Sep 17 00:00:00 2001
From: Tsuk1ha
Date: Wed, 20 Aug 2025 23:04:42 +0800
Subject: cpp: Add `this` comparison to `operator=` copy assign

---
 src/String.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/String.cpp')

diff --git a/src/String.cpp b/src/String.cpp
index 8daec0f..bcd5e2e 100644
--- a/src/String.cpp
+++ b/src/String.cpp
@@ -40,6 +40,8 @@ String::String(const PList::String& s) : Node(PLIST_INT)
 
 String& String::operator=(const PList::String& s)
 {
+    if (this == &s) return *this;
+
     plist_free(_node);
     _node = plist_copy(s.GetPlist());
     return *this;
-- 
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