How to use the crc.buffer function in crc
To help you get started, we’ve selected a few crc examples, based on popular ways it is used in public projects.
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google / qpp / http / node_modules / express / lib / response.js View on Github 
}
break;
}
// populate Content-Length
if (undefined !== body && !this.get('Content-Length')) {
this.set('Content-Length', len = Buffer.isBuffer(body)
? body.length
: Buffer.byteLength(body));
}
// ETag support
// TODO: W/ support
if (len > 1024) {
if (!this.get('ETag')) this.set('ETag', Buffer.isBuffer(body)
? crc.buffer.crc32(body)
: crc.crc32(body));
}
// freshness
if (req.fresh) this.statusCode = 304;
// strip irrelevant headers
if (204 == this.statusCode || 304 == this.statusCode) {
this.removeHeader('Content-Type');
this.removeHeader('Content-Length');
body = '';
}
// respond
this.end(head ? null : body);
return this;}
break;
}
// populate Content-Length
if (undefined !== body && !this.get('Content-Length')) {
this.set('Content-Length', len = Buffer.isBuffer(body)
? body.length
: Buffer.byteLength(body));
}
// ETag support
// TODO: W/ support
if (len > 1024) {
if (!this.get('ETag')) this.set('ETag', Buffer.isBuffer(body)
? crc.buffer.crc32(body)
: crc.crc32(body));
if (req.fresh) this.statusCode = 304;
}
// strip irrelevant headers
if (204 == this.statusCode || 304 == this.statusCode) {
this.removeHeader('Content-Type');
this.removeHeader('Content-Length');
body = '';
}
// respond
this.end(head ? null : body);
return this;
};exports.etag = function(body){
return '"' + (Buffer.isBuffer(body)
? crc.buffer.crc32(body)
: crc.crc32(body)) + '"';
};crc
Module for calculating Cyclic Redundancy Check (CRC) for Node.js and the browser.
