From:             gn-spark at bk dot ru
Operating system: Win32
PHP version:      5.1.4
PHP Bug Type:     GD related
Bug description:  imagegif() does not product interlaced gif images

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.)


-- 
Edit bug report at http://bugs.php.net/?id=38214&edit=1
-- 
Try a CVS snapshot (PHP 4.4): 
http://bugs.php.net/fix.php?id=38214&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): 
http://bugs.php.net/fix.php?id=38214&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): 
http://bugs.php.net/fix.php?id=38214&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=38214&r=fixedcvs
Fixed in release:             
http://bugs.php.net/fix.php?id=38214&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=38214&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=38214&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=38214&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=38214&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=38214&r=notwrong
Not enough info:              
http://bugs.php.net/fix.php?id=38214&r=notenoughinfo
Submitted twice:              
http://bugs.php.net/fix.php?id=38214&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=38214&r=globals
PHP 3 support discontinued:   http://bugs.php.net/fix.php?id=38214&r=php3
Daylight Savings:             http://bugs.php.net/fix.php?id=38214&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=38214&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=38214&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=38214&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=38214&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=38214&r=mysqlcfg

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