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PHP Version : 7.2.24-0ubuntu0.18.04.17
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Directory :  /www/server/php/72/src/ext/gd/tests/

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Current File : /www/server/php/72/src/ext/gd/tests/createfromwbmp2_extern.phpt
--TEST--
imagecreatefromwbmp with invalid wbmp
--SKIPIF--
<?php
	if (!function_exists('imagecreatefromwbmp')) die("skip gd extension not available\n");
	if (GD_BUNDLED) die("skip requires extern GD\n");
?>
--FILE--
<?php
$filename = dirname(__FILE__) . '/_tmp.wbmp';
$fp = fopen($filename,"wb");
if (!$fp) {
	exit("Failed to create <$filename>");
}

//write header
$c = 0;
fputs($fp, chr($c), 1);
fputs($fp, $c, 1);

//write width = 2^32 / 4 + 1
$c = 0x84;
fputs($fp, chr($c), 1);
$c = 0x80;
fputs($fp, chr($c), 1);
fputs($fp, chr($c), 1);
fputs($fp, chr($c), 1);
$c = 0x01;
fputs($fp, chr($c), 1);

/*write height = 4*/
$c = 0x04;
fputs($fp, chr($c), 1);

/*write some data to cause overflow*/
for ($i=0; $i<10000; $i++) {
	fwrite($fp, chr($c), 1);
}

fclose($fp);
$im = imagecreatefromwbmp($filename);
unlink($filename);
?>
--EXPECTF--
gd warning: product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully

Warning: imagecreatefromwbmp(): '%s_tmp.wbmp' is not a valid WBMP file in %s on line %d

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