René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Buffer - feature request: Buffer.compare with offsets.","articleBody":"I'm really impressed with the new **iojs** features, an awesome work!\n _[Buffer.compare](https://iojs.org/api/buffer.html#buffer_buf_compare_otherbuffer)_ is a great iojs addition ( _memcmp_ is very fast!), but, unfortunately, the current method [implementation](https://github.com/iojs/io.js/blob/v1.x/src/node_buffer.cc#L572) doesn't offer a way to compare 2 portions of Buffers: you are forced to slice one or both Buffers to compare desired portions of data.\n\nNow, Buffer.compare accepts 2 buffers as arguments, instead, it could accept 4 args (+1 optional), or something like that:\n\n``` javascript\nfunction ( Buffer b1, Number start1, Buffer b2, Number start2 [, Number length ] ) {}\n/*\n * For example, comparing 10 bytes:\n *  - b1 from index 0 to 9 \n *  - b2 from index 16 to 25\n */\nBuffer.compare( b1, 0, b2, 16, 10 )\n// or, to mantain current signature:\nBuffer.compare( b1, b2, 0, 16, 10 )\n```\n\n@trevnorris  It would be great if it was planned to add this functionality, it simplify things a lot!!\n","author":{"url":"https://github.com/rootslab","@type":"Person","name":"rootslab"},"datePublished":"2015-01-20T03:45:50.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":15},"url":"https://github.com/521/node/issues/521"}