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bug#22754: fix, nsbeta3. pnunn. r:gagan

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This commit is contained in:
pnunn%netscape.com 2000-07-27 23:37:00 +00:00
parent cc2459e95f
commit 6804506105
1 changed files with 5 additions and 2 deletions
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7
modules/libimg/gifcom/gif.cpp
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@ -475,15 +475,18 @@ do_lzw(gif_struct *gs, const PRUint8 *q)
code = oldcode;
}
int code2=0;
while(code > clear_code)
{
{
code2 = code;
if(code == prefix[code])
return -1;
*stackp++ = suffix[code];
code = prefix[code];
if(code2 == prefix[code])
return -1;
}
/* Define a new codeword in the dictionary. */