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54 lines
1000 B
PHP
54 lines
1000 B
PHP
<?php
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namespace Cijber\OpenSSL\C;
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use Cijber\OpenSSL;
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use FFI;
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use FFI\CData;
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class Memory extends CBackedObject
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{
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private int $size;
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public function __construct(int $size)
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{
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$this->size = $size;
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parent::__construct(OpenSSL::malloc($size));
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}
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public static function new(int $chunkSize): Memory
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{
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return new Memory($chunkSize);
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}
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public function get(): CData
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{
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$this->ensureNotFreed();
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return $this->cObj;
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}
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public function string(int $length, int $offset = 0)
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{
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$this->ensureNotFreed();
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return substr(FFI::string($this->cObj, $length + $offset), $offset);
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}
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public static function buffer(string $data): Memory
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{
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$len = strlen($data);
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$mem = new Memory($len);
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FFI::memcpy($mem->cObj, $data, $len);
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return $mem;
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}
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public function pointer(): CData
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{
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$this->ensureNotFreed();
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return FFI::addr($this->cObj);
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}
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}
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