feat: avoid negative sizes

libp2p · Feb 7, 2019 · 55d096e · 55d096e
1 parent 99a0c46
commit 55d096e
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/src/coder.js b/src/coder.js
@@ -55,6 +55,7 @@ exports.decode = () => {
   let pos = 0
   const read = (msg, data, length) => {
     let left = length - msg.length
+    if (left < 0) { left = 0 }
     if (msg.length > 0) {
       const buff = msg.slice(0, length - left)
       pos += buff.copy(data, pos)

diff --git a/test/coder.spec.js b/test/coder.spec.js
@@ -19,7 +19,7 @@ describe('coder', () => {
       coder.encode(),
       pull.collect((err, data) => {
         expect(err).to.not.exist()
-        expect(data[0]).to.be.eql(Buffer.from('8801023137', 'hex'))
+        expect(data[0]).to.be.eql(Buffer.from('880102', 'hex'))
       })
     )
   })