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Fix a heap buffer overflow (cairo only). b=332611 r+sr=pavlov

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mats.palmgren%bredband.net 2006-08-24 09:31:46 +00:00
parent 9c434eeeee
commit f13b52b5ee
1 changed files with 2 additions and 1 deletions
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3
modules/libpr0n/decoders/xbm/nsXBMDecoder.cpp
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@ -258,7 +258,8 @@ nsresult nsXBMDecoder::ProcessData(const char* aData, PRUint32 aCount) {
#ifdef MOZ_CAIRO_GFX
PRUint32 *ar = ((PRUint32*)mAlphaRow) + mCurCol;
for (int i = 0; i < 8; i++) {
const int alphas = PR_MIN(8, mWidth - mCurCol);
for (int i = 0; i < alphas; i++) {
const PRUint8 val = ((pixel & (1 << i)) >> i) ? 255 : 0;
*ar++ = (val << 24) | 0;
}