diff options
Diffstat (limited to 'node_modules/create-hash/helpers.js')
-rw-r--r-- | node_modules/create-hash/helpers.js | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/node_modules/create-hash/helpers.js b/node_modules/create-hash/helpers.js deleted file mode 100644 index 33b463dc6..000000000 --- a/node_modules/create-hash/helpers.js +++ /dev/null @@ -1,34 +0,0 @@ -'use strict'; -var intSize = 4; -var zeroBuffer = new Buffer(intSize); zeroBuffer.fill(0); -var chrsz = 8; - -function toArray(buf, bigEndian) { - if ((buf.length % intSize) !== 0) { - var len = buf.length + (intSize - (buf.length % intSize)); - buf = Buffer.concat([buf, zeroBuffer], len); - } - - var arr = []; - var fn = bigEndian ? buf.readInt32BE : buf.readInt32LE; - for (var i = 0; i < buf.length; i += intSize) { - arr.push(fn.call(buf, i)); - } - return arr; -} - -function toBuffer(arr, size, bigEndian) { - var buf = new Buffer(size); - var fn = bigEndian ? buf.writeInt32BE : buf.writeInt32LE; - for (var i = 0; i < arr.length; i++) { - fn.call(buf, arr[i], i * 4, true); - } - return buf; -} - -function hash(buf, fn, hashSize, bigEndian) { - if (!Buffer.isBuffer(buf)) buf = new Buffer(buf); - var arr = fn(toArray(buf, bigEndian), buf.length * chrsz); - return toBuffer(arr, hashSize, bigEndian); -} -exports.hash = hash;
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