(buf, offset, littleEndian, noAssert)
| 1458 | } |
| 1459 | |
| 1460 | function _readUInt32 (buf, offset, littleEndian, noAssert) { |
| 1461 | if (!noAssert) { |
| 1462 | assert(typeof littleEndian === 'boolean', 'missing or invalid endian') |
| 1463 | assert(offset !== undefined && offset !== null, 'missing offset') |
| 1464 | assert(offset + 3 < buf.length, 'Trying to read beyond buffer length') |
| 1465 | } |
| 1466 | |
| 1467 | var len = buf.length |
| 1468 | if (offset >= len) |
| 1469 | return |
| 1470 | |
| 1471 | var val |
| 1472 | if (littleEndian) { |
| 1473 | if (offset + 2 < len) |
| 1474 | val = buf[offset + 2] << 16 |
| 1475 | if (offset + 1 < len) |
| 1476 | val |= buf[offset + 1] << 8 |
| 1477 | val |= buf[offset] |
| 1478 | if (offset + 3 < len) |
| 1479 | val = val + (buf[offset + 3] << 24 >>> 0) |
| 1480 | } else { |
| 1481 | if (offset + 1 < len) |
| 1482 | val = buf[offset + 1] << 16 |
| 1483 | if (offset + 2 < len) |
| 1484 | val |= buf[offset + 2] << 8 |
| 1485 | if (offset + 3 < len) |
| 1486 | val |= buf[offset + 3] |
| 1487 | val = val + (buf[offset] << 24 >>> 0) |
| 1488 | } |
| 1489 | return val |
| 1490 | } |
| 1491 | |
| 1492 | Buffer.prototype.readUInt32LE = function (offset, noAssert) { |
| 1493 | return _readUInt32(this, offset, true, noAssert) |
no test coverage detected