diff options
Diffstat (limited to 'src/corelib/text/qstringconverter.cpp')
| -rw-r--r-- | src/corelib/text/qstringconverter.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/corelib/text/qstringconverter.cpp b/src/corelib/text/qstringconverter.cpp index db159738b1..95e49da32b 100644 --- a/src/corelib/text/qstringconverter.cpp +++ b/src/corelib/text/qstringconverter.cpp @@ -1809,10 +1809,13 @@ std::optional<QStringConverter::Encoding> QStringConverter::encodingForHtml(QByt // trust the initial BOM return encoding; + static constexpr auto metaSearcher = qMakeStaticByteArrayMatcher("meta "); + static constexpr auto charsetSearcher = qMakeStaticByteArrayMatcher("charset="); + QByteArray header = data.first(qMin(data.size(), qsizetype(1024))).toByteArray().toLower(); - qsizetype pos = header.indexOf("meta "); + qsizetype pos = metaSearcher.indexIn(header); if (pos != -1) { - pos = header.indexOf("charset=", pos); + pos = charsetSearcher.indexIn(header, pos); if (pos != -1) { pos += int(qstrlen("charset=")); if (pos < header.size() && (header.at(pos) == '\"' || header.at(pos) == '\'')) |