public function AmazonS3StreamWrapper::stream_seek in AmazonS3 7

Support for fseek().

Parameters

int $offset: The byte offset to got to.

string $whence: SEEK_SET, SEEK_CUR, or SEEK_END.

Return value

bool TRUE on success.

Overrides StreamWrapperInterface::stream_seek

See also

http://php.net/manual/en/streamwrapper.stream-seek.php

File

./AmazonS3StreamWrapper.inc, line 572

Drupal stream wrapper implementation for Amazon S3

Class

AmazonS3StreamWrapper

@file Drupal stream wrapper implementation for Amazon S3

Code

public function stream_seek($offset, $whence) {
  switch ($whence) {
    case SEEK_CUR:

      // Set position to current location plus $offset.
      $new_position = $this->position + $offset;
      break;
    case SEEK_END:

      // Set position to eof plus $offset.
      $new_position = $this->objectSize + $offset;
      break;
    case SEEK_SET:
    default:

      // Set position equal to $offset.
      $new_position = $offset;
      break;
  }
  $ret = $new_position >= 0 && $new_position <= $this->objectSize;
  if ($ret) {
    $this->position = $new_position;
  }
  return $ret;
}