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-rw-r--r--node_modules/clone-buffer/index.js28
1 files changed, 28 insertions, 0 deletions
diff --git a/node_modules/clone-buffer/index.js b/node_modules/clone-buffer/index.js
new file mode 100644
index 000000000..eb3837e67
--- /dev/null
+++ b/node_modules/clone-buffer/index.js
@@ -0,0 +1,28 @@
+'use strict';
+
+var Buffer = require('buffer').Buffer;
+
+function hasFrom() {
+ // Node versions 5.x below 5.10 seem to have a `from` method
+ // However, it doesn't clone Buffers
+ // Luckily, it reports as `false` to hasOwnProperty
+ return (Buffer.hasOwnProperty('from') && typeof Buffer.from === 'function');
+}
+
+function cloneBuffer(buf) {
+ if (!Buffer.isBuffer(buf)) {
+ throw new Error('Can only clone Buffer.');
+ }
+
+ if (hasFrom()) {
+ return Buffer.from(buf);
+ }
+
+ var copy = new Buffer(buf.length);
+ buf.copy(copy);
+ return copy;
+}
+
+cloneBuffer.hasFrom = hasFrom;
+
+module.exports = cloneBuffer;