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Merge branch 'PHP-7.1'

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This commit is contained in:
Christoph M. Becker 2016-09-24 11:03:46 +02:00
commit cf5c2acbb4
2 changed files with 30 additions and 2 deletions
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4
ext/gd/libgd/gd_gd2.c
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@ -689,8 +689,8 @@ static void _gdImageGd2 (gdImagePtr im, gdIOCtx * out, int cs, int fmt)
}
/* Work out number of chunks. */
ncx = im->sx / cs + 1;
ncy = im->sy / cs + 1;
ncx = (im->sx + cs - 1) / cs;
ncy = (im->sy + cs - 1) / cs;
/* Write the standard header. */
_gd2PutHeader (im, out, cs, fmt, ncx, ncy);

28
ext/gd/tests/bug73155.phpt Normal file
View file

@ -0,0 +1,28 @@
--TEST--
Bug #73155 (imagegd2() writes wrong chunk sizes on boundaries)
--SKIPIF--
<?php
if (!extension_loaded('gd')) die('skip gd extension not available');
?>
--FILE--
<?php
$im = imagecreate(64, 64);
imagecolorallocate($im, 0, 0, 0);
ob_start();
imagegd2($im, null, 64, IMG_GD2_RAW);
$buffer = ob_get_clean();
$header = unpack('@10/nchunk_size/nformat/nx_count/ny_count', $buffer);
printf("chunk size: %d\n", $header['chunk_size']);
printf("x chunk count: %d\n", $header['x_count']);
printf("y chunk count: %d\n", $header['y_count']);
printf("file size: %d\n", strlen($buffer));
?>
===DONE===
--EXPECT--
chunk size: 64
x chunk count: 1
y chunk count: 1
file size: 5145
===DONE===