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Bug #38214 imagegif() does not product interlaced gif images
Submitted: 2006-07-26 00:47 UTC Modified: 2006-07-26 10:06 UTC
From: gn-spark at bk dot ru Assigned: pajoye (profile)
Status: Closed Package: GD related
PHP Version: 5.1.4 OS: Win32
Private report: No CVE-ID: None
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 [2006-07-26 00:47 UTC] gn-spark at bk dot ru 
Description:
------------
imagegif() does not product interlaced gif images when interlace bit is on. memset() overwrites actual value of interlace bit in php-5.1.4\ext\gd\libgd\gd_gif_out.c at line 270.

Reproduce code:
---------------
php-5.1.4\ext\gd\libgd\gd_gif_out.c:268

        ctx.Interlace = GInterlace;
	ctx.in_count = 1;
	memset(&ctx, 0, sizeof(ctx));

Expected result:
----------------
	memset(&ctx, 0, sizeof(ctx));
        ctx.Interlace = GInterlace;

(ctx.in_count is later assigned to 1 in function compress() at line 514.)

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 [2006-07-26 07:04 UTC] tony2001@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php5.2-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5.2-win32-latest.zip
 [2006-07-26 10:06 UTC] pajoye@php.net 
This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
Thank you for the report, and for helping us make PHP better.
 
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