swebb2066 commented on code in PR #686:
URL: https://github.com/apache/logging-log4cxx/pull/686#discussion_r3295753892
##########
src/main/cpp/jsonlayout.cpp:
##########
@@ -223,18 +223,21 @@ void JSONLayout::appendItem(const LogString& input,
LogString& buf)
{
auto lastCodePoint = nextCodePoint;
auto ch = Transcoder::decode(input, nextCodePoint);
+ bool escapeReplacement = false;
if (nextCodePoint == lastCodePoint) // failed to decode input?
{
nextCodePoint = input.end();
ch = 0xFFFD; // The Unicode replacement character
+ escapeReplacement = true;
}
else if ((0xD800 <= ch && ch <= 0xDFFF) || 0x10FFFF < ch)
{
ch = 0xFFFD; // The Unicode replacement character
+ escapeReplacement = true;
}
else if (0x22 == ch || 0x5c == ch) // double quote or backslash?
;
- else if (0x20 <= ch) // not a control character?
+ else if (!escapeReplacement && 0x20 <= ch) // not a control
character?
Review Comment:
This change does nothing as `escapeReplacement` is always `false` in this
conditional expression.
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