97 lines
2.3 KiB
PHP
97 lines
2.3 KiB
PHP
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<?php
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namespace Safe;
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use Safe\Exceptions\Bzip2Exception;
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/**
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* Closes the given bzip2 file pointer.
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*
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* @param resource $bz The file pointer. It must be valid and must point to a file
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* successfully opened by bzopen.
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* @throws Bzip2Exception
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*
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*/
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function bzclose($bz): void
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{
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error_clear_last();
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$result = \bzclose($bz);
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if ($result === false) {
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throw Bzip2Exception::createFromPhpError();
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}
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}
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/**
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* Forces a write of all buffered bzip2 data for the file pointer
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* bz.
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*
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* @param resource $bz The file pointer. It must be valid and must point to a file
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* successfully opened by bzopen.
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* @throws Bzip2Exception
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*
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*/
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function bzflush($bz): void
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{
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error_clear_last();
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$result = \bzflush($bz);
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if ($result === false) {
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throw Bzip2Exception::createFromPhpError();
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}
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}
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/**
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* bzread reads from the given bzip2 file pointer.
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*
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* Reading stops when length (uncompressed) bytes have
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* been read or EOF is reached, whichever comes first.
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*
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* @param resource $bz The file pointer. It must be valid and must point to a file
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* successfully opened by bzopen.
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* @param int $length If not specified, bzread will read 1024
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* (uncompressed) bytes at a time. A maximum of 8192
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* uncompressed bytes will be read at a time.
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* @return string Returns the uncompressed data.
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* @throws Bzip2Exception
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*
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*/
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function bzread($bz, int $length = 1024): string
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{
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error_clear_last();
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$result = \bzread($bz, $length);
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if ($result === false) {
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throw Bzip2Exception::createFromPhpError();
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}
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return $result;
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}
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/**
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* bzwrite writes a string into the given bzip2 file
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* stream.
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*
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* @param resource $bz The file pointer. It must be valid and must point to a file
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* successfully opened by bzopen.
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* @param string $data The written data.
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* @param int $length If supplied, writing will stop after length
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* (uncompressed) bytes have been written or the end of
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* data is reached, whichever comes first.
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* @return int Returns the number of bytes written.
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* @throws Bzip2Exception
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*
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*/
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function bzwrite($bz, string $data, int $length = null): int
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{
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error_clear_last();
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if ($length !== null) {
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$result = \bzwrite($bz, $data, $length);
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} else {
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$result = \bzwrite($bz, $data);
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}
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if ($result === false) {
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throw Bzip2Exception::createFromPhpError();
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}
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return $result;
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}
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