Fix infinite loop issue in TextSocketHelper.ReadLine

cnblogs-dudu · cnblogs-dudu · commit f42d21a6f4da · 2019-06-15T16:31:44.000+08:00
diff --git a/Enyim.Caching/Memcached/Protocol/Text/TextSocketHelper.cs b/Enyim.Caching/Memcached/Protocol/Text/TextSocketHelper.cs
@@ -68,6 +68,11 @@ private static string ReadLine(PooledSocket socket)
             {
                 data = socket.ReadByte();
 
+                if (data == -1)
+                {
+                    return string.Empty;
+                }
+
                 if (data == 13)
                 {
                     gotR = true;

Original file line number	Diff line number	Diff line change
`@@ -68,6 +68,11 @@ private static string ReadLine(PooledSocket socket)`
`68`	`68`	`{`
`69`	`69`	`data = socket.ReadByte();`
`70`	`70`
	`71`	`+ if (data == -1)`
	`72`	`+ {`
	`73`	`+ return string.Empty;`
	`74`	`+ }`
	`75`	`+`
`71`	`76`	`if (data == 13)`
`72`	`77`	`{`
`73`	`78`	`gotR = true;`