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<?php |
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/** |
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* This file is part of the sj-i/php-profiler package. |
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* |
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* (c) sji <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace PhpProfiler\Lib\Libc\Unistd; |
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use FFI\CInteger; |
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class Execvp |
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{ |
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/** @var \FFI\Libc\execvp_ffi */ |
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private \FFI $ffi; |
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public function __construct() |
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{ |
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/** @var \FFI\Libc\execvp_ffi */ |
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$this->ffi = \FFI::cdef(' |
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int execvp(const char *file, char *const argv[]); |
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', 'libc.so.6'); |
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} |
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/** @param list<string> $argv */ |
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public function execvp(string $file, array $argv): int |
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{ |
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/** @var CInteger $zero */ |
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$zero = \FFI::new('long', false, true); |
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$zero->cdata = 0; |
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$null = \FFI::cast('void *', $zero); |
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$args = [$file, ...$argv]; |
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$size = \count($args) + 1; |
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/** @var \FFI\CArray $argv_real */ |
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$argv_real = \FFI::new('char *[' . $size . ']', false, true); |
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foreach ($args as $key => $item) { |
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$item_len = strlen($item); |
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$item_len_nul = $item_len + 1; |
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/** @var \FFI\CArray $argv_item */ |
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$argv_item = \FFI::new("char[{$item_len_nul}]", false, true); |
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\FFI::memcpy($argv_item, $item, $item_len); |
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$argv_item[$item_len] = "\0"; |
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$argv_real[$key] = $argv_item; |
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} |
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$argv_real[$key + 1] = $null; |
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return $this->ffi->execvp($file, $argv_real); |
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} |
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} |
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sj-i /
php-profiler
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