EventBuffer::copyout
(PECL event >= 1.2.6-beta)
EventBuffer::copyout — Copies out specified number of bytes from the front of the buffer
Описание
public
int
EventBuffer::copyout
(
string
&$data
,
int
$max_bytes
)
Behaves just like
EventBuffer::read()
, but does not drain any data from the buffer. I.e. it copies the first
max_bytes
bytes from the front of the buffer into
data
. If there are fewer than
max_bytes
bytes available, the function copies all the bytes there are.
Список параметров
-
data -
Output string.
-
max_bytes -
The number of bytes to copy.
Возвращаемые значения
Returns the number of bytes copied, or
-1
on failure.
Смотрите также
- EventBuffer::read() - Read data from an evbuffer and drain the bytes read
- EventBuffer::appendFrom() - Moves the specified number of bytes from a source buffer to the end of the current buffer
- Функция EventBuffer::add() - Append data to the end of an event buffer
- Функция EventBuffer::addBuffer() - Move all data from a buffer provided to the current instance of EventBuffer
- EventBuffer::appendFrom
- Функция EventBuffer::__construct() - Constructs EventBuffer object
- Функция EventBuffer::copyout() - Copies out specified number of bytes from the front of the buffer
- EventBuffer::drain
- Функция EventBuffer::enableLocking() - Описание
- Функция EventBuffer::expand() - Reserves space in buffer
- Функция EventBuffer::freeze() - Prevent calls that modify an event buffer from succeeding
- Функция EventBuffer::lock() - Acquires a lock on buffer
- Функция EventBuffer::prepend() - Prepend data to the front of the buffer
- Функция EventBuffer::prependBuffer() - Moves all data from source buffer to the front of current buffer
- EventBuffer::pullup
- Функция EventBuffer::read() - Read data from an evbuffer and drain the bytes read
- Функция EventBuffer::readFrom() - Read data from a file onto the end of the buffer
- Функция EventBuffer::readLine() - Extracts a line from the front of the buffer
- Функция EventBuffer::search() - Scans the buffer for an occurrence of a string
- Функция EventBuffer::searchEol() - Scans the buffer for an occurrence of an end of line
- Функция EventBuffer::substr() - Substracts a portion of the buffer data
- Функция EventBuffer::unfreeze() - Re-enable calls that modify an event buffer
- Функция EventBuffer::unlock() - Releases lock acquired by EventBuffer::lock
- Функция EventBuffer::write() - Write contents of the buffer to a file or socket
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