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Bug 103342, 113590: ns{C}String::SubstituteString hangs/crashes. r=dbaron, sr=alecf

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git-svn-id: svn://10.0.0.236/trunk@111271 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
jaggernaut%netscape.com
2002-01-02 23:54:25 +00:00
parent b1bf161f3d
commit 6f56f8ad09
4 changed files with 12 additions and 4 deletions
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4
mozilla/xpcom/string/obsolete/nsString2.cpp
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@@ -430,14 +430,16 @@ nsString::ReplaceSubstring(const nsString& aTarget,const nsString& aNewValue){
//Since target is longer than newValue, we should delete a few chars first, then overwrite.
PRInt32 theDelLen=aTarget.mLength-aNewValue.mLength;
nsStr::Delete(*this,theIndex,theDelLen);
nsStr::Overwrite(*this,aNewValue,theIndex);
}
else {
//this is the worst case: the newvalue is larger than the substr it's replacing
//so we have to insert some characters...
PRInt32 theInsLen=aNewValue.mLength-aTarget.mLength;
StrInsert(*this,theIndex,aNewValue,0,theInsLen);
nsStr::Overwrite(*this,aNewValue,theIndex);
theIndex += aNewValue.mLength;
}
nsStr::Overwrite(*this,aNewValue,theIndex);
}
}
}