1--TEST-- 2Bug #75273 (php_zlib_inflate_filter() may not update bytes_consumed) 3--EXTENSIONS-- 4zlib 5--FILE-- 6<?php 7function non_repeating_str($len = 8192) { 8 $ret = ''; 9 mt_srand(1); 10 $iterations = (int) ($len / 256) + 1; 11 for ($i = 0; $i < $iterations; $i++) { 12 $haves = array(); 13 $cnt = 0; 14 while ($cnt < 256) { 15 $j = mt_rand(0, 255); 16 if (!isset($haves[$j])) { 17 $haves[$j] = $j; 18 $cnt++; 19 $ret .= chr($j); 20 } 21 } 22 } 23 return substr($ret, 0, $len); 24} 25 26$base_len = 32768 - 23 /*overhead*/; 27 28$stream = fopen('php://memory', 'rb+'); 29 30for ($i = 1; $i <= 8; $i++) { 31 $in_data = non_repeating_str($base_len + $i); 32 33 $deflate_filter = stream_filter_append($stream, 'zlib.deflate', STREAM_FILTER_WRITE, ['window' => 16 + 15]); 34 rewind($stream); 35 fwrite($stream, $in_data); 36 stream_filter_remove($deflate_filter); 37 38 rewind($stream); 39 $out_data = stream_get_contents($stream); 40 $out_data_len = strlen($out_data); 41 42 $inflate_filter = stream_filter_prepend($stream, 'zlib.inflate', STREAM_FILTER_WRITE, ['window' => 16 + 15]); 43 rewind($stream); 44 $fwrite_len = fwrite($stream, $out_data); 45 stream_filter_remove($inflate_filter); 46 47 if ($out_data_len !== $fwrite_len) { 48 echo "bug i=$i out_data_len=$out_data_len fwrite_len=$fwrite_len\n"; 49 } 50} 51 52fclose($stream); 53?> 54===DONE=== 55--EXPECT-- 56===DONE=== 57
