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Bug 534353: Copy the correct string data to the EOT header name fields. r=jdaggett

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This commit is contained in:
Jonathan Kew 2009-12-20 17:52:57 +00:00
parent 6d706b85f8
commit 9cf092266b
1 changed files with 9 additions and 9 deletions
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18
gfx/thebes/src/gfxFontUtils.cpp
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@ -1824,22 +1824,22 @@ gfxFontUtils::MakeEOTHeader(const PRUint8 *aFontData, PRUint32 aFontDataLength,
PRUint32 nameoff = names[i].offset; // offset from base of string storage
// sanity check the name string location
if (PRUint64(nameOffset) + PRUint64(nameStringsBase) + PRUint64(nameoff)
+ PRUint64(namelen) > dataLength) {
if (PRUint64(nameOffset) + PRUint64(nameStringsBase) +
PRUint64(nameoff) + PRUint64(namelen) > dataLength) {
return NS_ERROR_FAILURE;
}
strOffset = nameOffset + nameStringsBase + nameoff + namelen;
// output 2-byte str size
strOffset = nameOffset + nameStringsBase + nameoff;
// output 2-byte str size
strLen = namelen & (~1); // UTF-16 string len must be even
*((PRUint16*) eotEnd) = PRUint16(strLen);
eotEnd += 2;
// length is number of UTF-16 chars, not bytes
CopySwapUTF16(reinterpret_cast<const PRUint16*>(aFontData + strOffset),
reinterpret_cast<PRUint16*>(eotEnd),
(strLen >> 1));
// length is number of UTF-16 chars, not bytes
CopySwapUTF16(reinterpret_cast<const PRUint16*>(aFontData + strOffset),
reinterpret_cast<PRUint16*>(eotEnd),
(strLen >> 1));
eotEnd += strLen;
// add 2-byte zero padding to the end of each string