From cd7ef6b57aeb1114d52c026385ba371e4d5ffcc1 Mon Sep 17 00:00:00 2001
From: zjp8369 <605146581@qq.com>
Date: Tue, 6 Jan 2026 13:58:38 +0800
Subject: [PATCH] Update IXWebSocketHttpHeaders.cpp
MIME-Version: 1.0
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修改header中值为空时，程序崩溃问题
---
 ixwebsocket/IXWebSocketHttpHeaders.cpp | 33 ++++++++++++++++++++++----
 1 file changed, 29 insertions(+), 4 deletions(-)

diff --git a/ixwebsocket/IXWebSocketHttpHeaders.cpp b/ixwebsocket/IXWebSocketHttpHeaders.cpp
index 55634301..7d66ff08 100644
--- a/ixwebsocket/IXWebSocketHttpHeaders.cpp
+++ b/ixwebsocket/IXWebSocketHttpHeaders.cpp
@@ -12,6 +12,23 @@
 
 namespace ix
 {
+     static inline void ltrim(std::string& s) {
+        s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](int ch) {
+            return !std::isspace(ch);
+            }));
+    }
+
+    static inline void rtrim(std::string& s) {
+        s.erase(std::find_if(s.rbegin(), s.rend(), [](int ch) {
+            return !std::isspace(ch);
+            }).base(), s.end());
+    }
+
+    static inline void trim(std::string& s) {
+        ltrim(s);
+        rtrim(s);
+    }
+
     std::pair<bool, WebSocketHttpHeaders> parseHttpHeaders(
         std::unique_ptr<Socket>& socket, const CancellationRequest& isCancellationRequested)
     {
@@ -62,10 +79,18 @@ namespace ix
                     start++;
                 }
 
-                std::string name(lineStr.substr(0, colon));
-                std::string value(lineStr.substr(start, lineStr.size() - start - 2));
-
-                headers[name] = value;
+                int nSize = std::min((size_t)1024, lineStr.size());
+                if (colon <= nSize)
+                {
+                    std::string name(lineStr.substr(0, colon));
+                    std::string value;
+                    if (start < nSize)
+                    {
+                        value = lineStr.substr(start);
+                        trim(value);
+                    }
+                    headers[name] = value;
+                }
             }
         }